Lexus - LX 470 - Wiring Diagram - 2023 - 2023

1 LX 470 ELECTRICAL WIRING DIAGRAM P ow er S ou rc e C harging S tarting 1 3 2 4 L–B 2 IG1 W–R 7 AM2 IG2 6 B–R ST2 8 B–W 3 IO2 1 IO2 51 2P 2 3 B–R 4 SB 4 STARTER RELAY 1 3 B–R 30A AM2 IG1 NO. 1 RELAY 19 2D B–R 80A AM1 NO. 1 30A STARTER 6 1 14 1D 9 1D 3 1J 10 1J 6 1J 1 EE1 3 EE1 W–L B W–L 2 EE1 R–L 1 1 1M R–L B–R 3 1A B–O 1 A B–R 12 1A B–O 140A ALT D To Daytime Running Light Relay(Main)<4–3> B–W F7 FUSIBLE LINK BLOCK To Suspension Control ECU<16–7> 1 ED1 B–R B–R 7. 5A ALT–S B–O 1 To Engine Control Module<2–4> To Combination Meter <30–3> B–W 2 B B B 4 10 2F B–O D D J44 JUNCTION CONNECTOR B–O B–O 1 1N 6 IG2 5 C15 CHARGE WARNING LIGHT [COMB. METER] P1 PARK/NEUTRAL POSITION SW R–L 20A AM1 NO. 2 P N 1 4 9 2 3 9 2F SB B–W L–B 10 1E 1 1 1O W–L 2001 LEXUS LX 470 (EWD427U) 2 I18 IGNITION SW 14 1E 2 15A GAUGE 55 2P W–R B B–R B W–L 1 1F 1 2H 10A IGN 6 IG1 15 1E 12 2B B A B J8 JUNCTION CONNECTOR A L–B W–L IG1 4 W–L 2 AM1 B–W B–R B B–R ACC 1 IG1 B–R B 1 A L S1 A , S2 B STARTER G1 B , G2 A BATTERY GENERATOR EE IG A S A B B 2 3 1 Front left side of fender apron M 2 LX 470 B–W B 10A OBD 2001 LEXUS LX 470 (EWD427U) 30A AM2 BATTERY EE IG1 NO. 1 RELAY Front left side of fender apron 13 1D B–Y 2 IG2 B B–Y B–Y F14 FUEL PUMP CONTROL ECU G–R Left rear side quarter panel DI FPC 1 B F8 FUEL CONTROL SW 31 A W–B W–B W–B 80A AM1 NO. 1 B 20A EFI or ECD B 15A THROTTLE EC 9 A 21 D 7 D B–Y 1 2 16 IW1 V5 VSV(Vapor Pressure Sensor) Rear bank of right cylinder head W–B 21 A W–B BM 5 E FP+ 8 2 9 G–R FP– 7 B–R 6 G–W +B B–R B 10 6 E G–R 19 ID1 W W 20 ID1 G–R 2 BC1 5 IU3 4 E G–R 1 B 8 BC1 SB 23 D W–B 18 ID1 F13 FUEL PUMP 5 4 M 12 B 2 E L F7 FUSIBLE LINK BLOCK B 7 1C 7 E W–B 140A ALT 2 1 1F C14 A , C15 B MALFUNCTION INDICATOR LAMP [COMB. METER] 5 E B–R B–W B–Y BATT MREL +BM NSW STA E 6 A , E 7 B , E 8 C , E 9 D , E10 E ENGINE CONTROL MODULE W DI FPC E03 E02 E01 ME01 TPC 1 E W–B 100A J/B NO. 2 1 EFI or ECD RELAY 1 1O 20A AM1 NO. 2 15 A SB 1 3 SB 2 4 B–R 2 1 B–W 4 3 B J14 JUNCTION CONNECTOR 9 IG2 Y–B 1 1 1N 2 L–B 5 1D B 15A GAUGE 4 B–W L 3 Y–B B–R 1 EG1 W–R B–W 13 1C 14 1E 83 2P 1 2H 3 From Park/Neutral Position SW <1–3> 1 2G B–R 1 IG2 L–B 8 IG2 B B–R 6 IG1 A J8 JUNCTION CONNECTOR A L–B B–W 15 1E IG1 4 ACC B–R B–W B–R 10 1E B–R 2 AM1 1 IG1 IG2 6 ST2 8 I18 IGNITION SW W–R 7 AM2 2 IG1 B 1 1D W–R 2 E ngine C ontrol and E ngine Immobiliser S ys tem Y–B 9 2D 1 P ow er S ou rc e C B A (Cont. next page) M OVERALL ELECTRICAL WIRING DIAGRAM B–Y G–W B–Y 2 LX 470 (Cont’ d) (Cont. next page) E ngine C o ntrol and E ngine Immo biliser S y stem A B 5 B–W B–R * 1 : Shielded 7 6 B–R 8 B–R From ABS & BA & TRAC & VSC ECU<15–2> B–R 4 IO2 B–R B–R From Suspension Control ECU<16–2> W R G 17 IG4 W R G Y L G–Y 12 D 13 E Y L 14 E 5 IG4 8 B ELS 19 D ELS4 TXCT 28 D TRC– PRG 12 E 18 D TRC+ HTL 7 B 27 D ENG– 4 B ENG+ OXL1 17 D 13 D ELS3 NEO HTR 12 B 3 B OXR1 11 B (*1) (*1) 3 5 3 HT OX +B E1 2 4 1 3 HT OX +B E1 2 4 BR B–Y BR B–Y B–Y B–Y W–B 7 IN1 2 1 L–R BR B–Y B–Y D H9 HEATED OXYGEN SENSOR (BANK 2 SENSOR 1) 1 1 H7 HEATED OXYGEN SENSOR (BANK 1 SENSOR 1) 4 V4 VSV(EVAP) BR–W 3 T11 TRANSPONDER KEY AMPLIFIER B–Y 2 C W Y B R (*1) L–B R–Y V–G (*1) B–Y 1 L–B 2 E2 ENGINE COOLANT TEMP. SENSOR BR–W 4 T4 THROTTLE POSITION SENSOR BR–W L–R BR–W L–R 1 8 E 16 E 16 IG4 R 27 A 4 IG4 G–B 2 14 B Y–B R–Y 1 3 BR–W BR–W C B To ABS & BA & TRAC & VSC ECU<15–4> R 13 B 20 B R–B R 5 IN1 9 B BR–W 6 IW1 4 L–R L–R L–R B–Y BR–W 5 IW1 A13 ACCEL POSITION SENSOR VCC 3 BR–W BR–W 1 21 B BR–W E2 1 3 L–R PTNK 2 V1 VAPOR PRESSURE SENSOR 2 11 IW1 Y–B 4 G–W L–Y M1 MASS AIR FLOW METER 5 18 B 15 IW1 L–B 2 IW1 2 B 28 A IGT1 IGT2 IGT3 IGT4 IGT5 IGT6 IGT7 IGT8 IGF2 IGF1 E 6 A , E 7 B , E 8 C , E 9 D , E10 E ENGINE CONTROL MODULE VPA VPA2 VTA VTA2 THW +B1 +B CODE RXCK 2 Y–B G–W L–Y 1 IW1 13 IN1 E2 L–B 18 IN1 22 D Y–B G–W L–Y 19 IN1 22 B VC 11 A 12 A 13 A 14 A 15 A 16 A 25 A 26 A G–W 19 B PTNK B–W 10 B THA B–R #8 L–B 6 A #7 B–L 5 A #6 B–Y 4 A #5 Y 3 A #4 G 2 A #3 L R 1 A #2 15 IG4 12 IN1 B 6 B #1 EVG 8 IG3 B–W W R–L G R L B Y 2001 LEXUS LX 470 (EWD427U) 5 B VG R 2 To Ignition Coil and Igniters<3–2><3–3><3–4> From Diode(Idle–Up) <24–3> 2 1 From Ignition Coil and Igniters <3–3> 2 1 I16 INJECTOR NO. 8 B–R 2 1 I15 INJECTOR NO. 7 B–R 1 From ABS & BA & TRAC & VSC ECU<15–4> A B–R I14 INJECTOR NO. 6 B–R 2 B–R I13 INJECTOR NO. 5 B–R 2 1 I12 INJECTOR NO. 4 B–R 2 1 B–R I11 INJECTOR NO. 3 B–R 1 B–R I10 INJECTOR NO. 2 B–R 2 B–R I9 INJECTOR NO. 1 B–R 1 B–W B–R B–Y 7 IG2 B–Y B–Y B–Y B–Y 17 IN1 B–Y B–Y B–Y B–Y B–Y B–Y E F G 12 2D IG Set bolt of cowl side J/B LH M 2001 LEXUS LX 470 (EWD427U) BR (*1) H8 HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) BR BR B–Y 2 4 B–Y BR B–Y BR BR V–W IF Set bolt of cowl side J/B LH BR BR V–W From Instrument ECU<10–8> From ABS & BA & TRAC & VSC ECU<15–5> From Suspension Control ECU<16–4> W–B 1 2B P–B 3 IW1 P–B P–B P–B P–B B–Y V–W From Center Airbag Sensor Assembly <13–4> B–W W–B A A V–W BR P–B A A 17 IW1 BR A A A From Suspension Control ECU<16–7> From Center Airbag Sensor Assembly<13–4> From Instrument ECU <10–8> From ABS & BA & TRAC & VSC ECU<15–7> J27 JUNCTION CONNECTOR A KNKR 17 A A B–W 1 3 EC1 10A IGN * 1 : Shielded IGSW 9 E A A 21 2D 12 2B 12 (*1) EC A A BR 16 BAT 5 SG BR +B 12 B–R B–W (*1) Rear bank of right cylinder head A BR BR B–Y BR H10 HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) 15 IN1 5 IJ1 TC 11 D1 DATA LINK CONNECTOR 1 B–Y BR BR E1 3 1 2 EC1 K1 KNOCK SENSOR 1 5 EB3 2 BR 4 A CG 4 WFSE 15 AB KNKL 18 A NE+ 23 A B B–Y BR B +B V–W BR L E1 TC D8 DATA LINK CONNECTOR 3 1 EB3 W HT (*1) OX R–B +B SIL P–B HT V–W 13 P–B 7 W–R 1 W–B P–B E1 W 5 4 IW1 NE– 22 A (*1) G BR W TS 16 W G– 24 A From Center Airbag Sensor Assembly<13–4> From ABS & BA & TRAC & VSC ECU <15–7> 3 J16 JUNCTION CONNECTOR A P–B B–Y OX BR B 1 P–B 10 IJ1 A W–B 8 IJ1 7 IJ1 W 6 IJ1 V–W P–B G2 10 A B–Y BR (*1) L 3 9 EB3 R–B 11 EB3 15 E 1 2 (*1) B–Y A (*1) J28 JUNCTION CONNECTOR A B (*1) (*1) A L 3 EB3 (*1) 8 EB3 HTR2 23 B OXR2 15 B W A HTL2 24 B 22 E 21 E 20 E 11 D B 1 IJ1 K2 KNOCK SENSOR 2 W F L W E (*1) (*1) BR G R–B (*1) W W–B D BR A R W–R SPD TACH ACT A/C THWO ELS2 STP E 6 A , E 7 B , E 8 C , E 9 D , E10 E ENGINE CONTROL MODULE SIL TC WFSE EOM 3 E 19 E 17 E 10 D J11 From Suspension From JUNCTION Control ECU Multi–Display CONNECTOR <16–7> A W–B <29–3> B OXL2 16 B G–R 4 D B KSW B E1 17 B R–B 5 D To Unlock Warning SW <10–20> 11 E L–B IMLD V 25 D W–G GE01 To Combination Meter <30–4> C J45 JUNCTION CONNECTOR Y–B 30 A From Center ECU <31–8> C Y–R M+ To Center ECU <31–8> G–W 8 A C R M– J27 JUNCTION CONNECTOR To Combination Meter <30–4> B B G 7 A B From Center ECU <31–6><31–8> (*1) CL+ 2 G 29 A 1 1 2 R CL– 3 11 From Stop Light SW<8–4> B–W J43 JUNCTION CONNECTOR B–R B–R 19 A 4 T3 THROTTLE CONTROL MOTOR 10 C1 CAMSHAFT POSITION SENSOR G (*1) B–R 9 E ngine C ontrol an d E ngine Immobilis er S ystem C3 CRANKSHAFT POSITION SENSOR G C B A B–W 2 LX 470 (Cont’ d) M OVERALL ELECTRICAL WIRING DIAGRAM (*1) B–W (*1) P–B V–W V–W J21 JUNCTION CONNECTOR 3 LX 470 2 IO2 W–R L–B B–R B–L B–R B–Y B–R Y B–R G B–R L B–R R B–R B I8 IGNITION COIL AND IGNITER NO. 8 I7 IGNITION COIL AND IGNITER NO. 7 I6 IGNITION COIL AND IGNITER NO. 6 I5 IGNITION COIL AND IGNITER NO. 5 I4 IGNITION COIL AND IGNITER NO. 4 I3 IGNITION COIL AND IGNITER NO. 3 I2 IGNITION COIL AND IGNITER NO. 2 I1 IGNITION COIL AND IGNITER NO. 1 W–B B–R W–B B–W W–B B–W W–B B–R W–B B–W W–B B–R W–B B–R W–B B–W B–W B–R W–B BR Rear bank of left cylinder head ED B–R N1 NOISE FILTER (Ignition) B To Engine Control Module <2–7> BATTERY From Engine Control Module<2–6><2–7> B–R B–R W–R F7 FUSIBLE LINK BLOCK W–B W–B W–B W–B 4 4 4 4 4 4 4 4 W–B 2 2 2 2 2 2 2 2 2 30A AM2 W–B W–B 3 3 2001 LEXUS LX 470 (EWD427U) 1 1N 1 1 3 3 3 3 B–R B–R B–R 1 1 1 1 3 3 4 3 2 1 B–R B–R B–R 2 IG1 1 1 1 10 1E B–R IG2 6 7 AM2 Ignition P ow er S ource ST2 I18 IGNITION SW B–W 1 B–R M B B 3 B–R 20A AM1 NO. 2 EE IG1 NO. 1 RELAY Front left side of fender apron W–B 2001 LEXUS LX 470 (EWD427U) 80A AM1 NO. 1 B B R–B R–B F3 FRONT FOG LIGHT RH W–B R–B F2 FRONT FOG LIGHT LH W–B F7 FUSIBLE LINK BLOCK 140A ALT B 100A J/B NO. 2 G–Y Front right side of fender apron From Generator <1–3> W–B BATTERY W–B EA B–O Front right side of fender apron From Parking Brake SW <30–6> EB R–W A A W–B 10 IH1 SB 19 1E J1 JUNCTION CONNECTOR 9 IU2 16 HI R–W FOG SW R–Y FLASH HIGH LOW ON OFF 7 16 HF HU EL 8 9 IH1 HEAD TAIL OFF C18 COMBINATION SW LIGHT CONTROL SW 9 1J 13 E H R–B 5 1H 8 PKB 5 SB G–Y H 13 W–B T 8 IH1 19 HEAD HRY 15 10 11 HL BFG LFG 17 R–W 1 DRL A J5 JUNCTION CONNECTOR A A A SB A 1 IU2 I19 INSTRUMENT ECU 1 IH1 SB 2 L–W 11 CHG– 15A ECU–B D9 DAYTIME RUNNING LIGHT RELAY(Main) 17 R–L IG 15A GAUGE 2 R–Y +B 15 2 2D R–B 9 1H R–L 2 2B From Headlight Cleaner SW [Comb. SW] <9–3> 4 2 IH1 W–B SB R–B R–Y R–L B F E D C B A (Cont. next page) R–L 1 SB 2 1A 11 2J R–B To Automatic Light Control Sensor<10–4> SB 2 10 1H 5 2P A To Theft Deterrent ECU<18–4> SB 2 4 11 2F A J7 JUNCTION CONNECTOR A A SB 1 1O 1 3 J8 JUNCTION CONNECTOR 5 1 1 2H SB 1 2 B 2 14 1E L–B 1 1F 6 IG1 A 3 2 1 2G 3 H eadlight R–B 15 1E L–B L–B A IG1 4 ACC I18 IGNITION SW 2 AM1 B B 2 F ront Fog Light R–B 1 B 1 IG1 B–R 1 EG1 1 P ow er S ource 4 LX 470 M OVERALL ELECTRICAL WIRING DIAGRAM DIMMER SW R–Y W–B 15A FR FOG FR FOG RELAY 4 LX 470 (Cont’ d) H eadlight A B 5 B 7 6 8 R–L 1 1N HEAD RELAY 3 1 8 1E 1 7 1E 4 1J 5 1J 8 1J 3 1C 7 1J R–L R–W R–L R–B R–B R–Y 12 IG1 3 20A HEAD(RH–UPR) 2 20A HEAD(LH–UPR) 4 DIMMER RELAY 10A HEAD(RH–LWR) 2 10A HEAD(LH–LWR) 4 R–L (USA) 11 IG1 C D R–Y 8 1L R–Y R–B 4 1C R–Y 11 IG2 W–B 1 B 4 B 2 B 7 2P 5 A 1 A E W–B W–B W–B R–Y W–B W–B W–B W–B W–B SB (USA) W–B W–B 9 1J 2 D 10 1C C16 C , C17 D HEAD HIGH BEAM W–B 6 D COMBINATION METER W–B 4 D W–B 19 1E J23 JUNCTION CONNECTOR E W–B 1 1J 4 IU1 SB (USA) 3 B 3 A W–B R–L (USA) DAYTIME RUNNING LIGHT RELAY NO. 3 2 A SB 1 D2 A , D3 B R–B 2 3 2E R–W 1 R–Y 2 H5 HEADLIGHT RH(High) 1 R–Y 2 H3 HEADLIGHT LH(High) 1 H6 HEADLIGHT RH(Low) H4 HEADLIGHT LH(Low) 2 R–G R–B R–L 2001 LEXUS LX 470 (EWD427U) R–B SB W–B W–B W–B W–B A E F SB SB W–B W–B SB 7 2E EB Front right side of fender apron W–B W–B W–B EA Front right side of fender apron 1 2B A 3 2P IF A J20 JUNCTION CONNECTOR SB Set bolt of cowl side J/B LH M B–R G–W B–R 20A AM1 NO. 2 B 15A HAZ–TRN B B 80A AM1 NO. 1 2001 LEXUS LX 470 (EWD427U) J33 JUNCTION CONNECTOR G–B F4 FRONT TURN SIGNAL LIGHT LH G–B W–B Front right side of fender apron W–B W–B R10 REAR TURN SIGNAL LIGHT LH [REAR COMB. LIGHT LH] W–B F7 FUSIBLE LINK BLOCK W–B Front side under the front passenger’ s seat W–B W–B W–B W–B Left rear side quarter panel T15 TRAILER SOCKET W–B EA F5 FRONT TURN SIGNAL LIGHT RH Front right side of fender apron LH W–B W–B BK A SB BM G–R 3 BO3 1 2 RH SB C18 TURN SIGNAL SW [COMB. SW] TURN LH TR A A IF 3 2P A 2 IH1 2 TB SB EA W–B J20 JUNCTION CONNECTOR TL Set bolt of cowl side J/B LH 1 2B ON W–B HAZARD OFF S–HZ 18 E (*1) 3 D (*2) A A W–B J11 JUNCTION CONNECTOR J1 JUNCTION CONNECTOR A A 11 G (*1) 22 D (*2) GND C11 D , C24 E , C26 G W W–B HAZARD SW [CENTER ECU] W–B EB G–Y A W–B W–B W–B A R13 REAR TURN SIGNAL LIGHT RH [REAR COMB. LIGHT RH] J39 JUNCTION CONNECTOR 3 4 G–Y 9 1J 4 4 EA2 2 5 SB 12 BF3 W–B G–B J32 JUNCTION CONNECTOR 3 1 W–B A 3 2 A A G–Y 5 1G 1 4 A 3 1 10 II2 W–B Front right side of fender apron 19 1E G–B G–Y 5 3E 83 3I 3 24 II2 4 * 1 : w/ LEXUS Navigation System * 2 : w/o LEXUS Navigation System W–B BATTERY B 2 G–B 140A ALT B G–B 1 G 1 EH1 B 7 1G G–Y 9 BO1 10 T23 TOWING CONVERTER RELAY C G–B 5 G–W 20 BF3 1 9 3A G–Y 2 3 1H C 6 9 SB C17 TURN SIGNAL INDICATOR LIGHT[COMB. METER] G–Y 1 1N C 2 3 G–Y J23 JUNCTION CONNECTOR F F SB W–B 1 1O G–B 4 8 8 IW1 G–Y 9 2O 84 2P SB 11 2B From TAIL Relay<6–2> G–Y G–Y G–Y 4 1A 13 2F B From Stop Light SW<8–3> 2 6 G–B W W–B G–Y 1 14 BF3 3 4 5 8 7 3 G–B 2 B 11 1C G–W 1 2 T12 TURN SIGNAL FLASHER G–Y 5 1C 4 IA1 G–W J7 JUNCTION CONNECTOR C C L–B G–B L–B J8 JUNCTION CONNECTOR A A T urn S ignal and H azard W arning L ight W 15 1E 5 IG2 IG1 4 I18 IGNITION SW 2 AM1 ACC T railer T ow ing G–B 1 IG1 B–R 1 P ow er S ourc e 5 LX 470 M OVERALL ELECTRICAL WIRING DIAGRAM RH SB J40 JUNCTION CONNECTOR W–B 6 LX 470 P ow er S ourc e T aillight 1 3 2 2 4 5 15A TAIL TAIL RELAY 1 To Diode(Idle–Up) <24–2> 3 G 8 2B 1 2G 3 2B 2 2F 2 BO3 A A 11 IU4 A G G G 2 W–B 2 3 3 W–B R12 TAILLIGHT RH [REAR COMB. LIGHT RH] 3 R13 REAR TAILLIGHT AND SIDE MARKER LIGHT RH [REAR COMB. LIGHT RH] To Towing Converter Relay<5–2> G TAIL 2 W–B B G 1 2 2 D 6 BT1 R11 TAILLIGHT LH [REAR COMB. LIGHT LH] 1 J38 JUNCTION CONNECTOR 6 G G B A 3 BF3 1 BK1 L2 LICENSE PLATE LIGHT RH G W–B 20 A A G 3 A G D L1 LICENSE PLATE LIGHT LH 4 1G 6 W–B EL R10 REAR TAILLIGHT AND SIDE MARKER LIGHT LH [REAR COMB. LIGHT LH] H D A 3 BS1 SB (Canada) LIGHT CONTROL SW W–B HEAD 19 1E 16 9 1J 4 BK1 8 BS1 A J39 JUNCTION CONNECTOR 4 BT1 A W–B SB J32 JUNCTION A CONNECTOR A W–B W–B SB (Canada) W–B W–B 2 IH1 W–B C18 COMBINATION SW W–B 140A ALT F7 FUSIBLE LINK BLOCK 100A J/B NO. 2 T OFF 1 C14 A , C17 D 14 G–W 3 2 TAIL INDICATOR LIGHT [COMB. METER] W–B W–B SB 4 IH1 J14 JUNCTION CONNECTOR TAIL 18 A 1 G TRY 2 P3 PARKING LIGHT AND SIDE MARKER LIGHT RH 9 C G SB I19 A , I21 C 1 EG1 INSTRUMENT ECU To Theft Deterrent ECU<18–4> P2 PARKING LIGHT AND SIDE MARKER LIGHT LH C SB G G C J4 JUNCTION CONNECTOR A SB (Canada) C SB J34 JUNCTION CONNECTOR G J37 JUNCTION CONNECTOR G SB 3 IU1 9 1G 8 1G C B 2001 LEXUS LX 470 (EWD427U) To Automatic Light Control Sensor<10–4> 2 BF3 G 7 1A G G–B B To Wireless Door Lock ECU<10–20> G G G (Canada) G–B G–B 10 2O A BATTERY A A SB (Canada) A A W–B W–B SB 3 2P Set bolt of cowl side J/B LH W–B W–B J20 JUNCTION CONNECTOR IF EB Front right side of fender apron EA Front right side of fender apron BM Left rear side quarter panel Front side under the front passenger’ s seat BK M B B–R B EE IG1 NO. 1 RELAY Front left side of fender apron TC W–R B W–G W–B SB SB SB SB W–R A P7 POWER QUARTER WINDOW SW RH 80A AM1 NO. 1 B B 2001 LEXUS LX 470 (EWD427U) A F7 FUSIBLE LINK BLOCK 140A ALT 100A J/B NO. 2 Rear bank of right cylinder head 8 IX1 SB SB SB SB 39 2P C 6 B SB J24 JUNCTION CONNECTOR SB SB BATTERY 10 IU3 II 33 3I A J20 JUNCTION CONNECTOR J23 JUNCTION CONNECTOR Set bolt of cowl side J/B RH A A C C 2 IQ1 1 D A SB SB B SB B E D C B A (Cont. next page) SB BR EC G G 1 A 2 SB SB SB J15 JUNCTION CONNECTOR SB 48 2P C C SB A J18 JUNCTION CONNECTOR 2 B SB SB J25 JUNCTION CONNECTOR W–R 2 IF1 6 20 A 1 IQ1 D 4 G3 GLOVE BOX LIGHT E E W–R 18 IF1 2 R4 REMOTE CONTROL MIRROR SW G W–R 16 IF2 2 15 A C14 A , C15 B 15 IF1 3 ILL– 5 D COMBINATION METER 13 IF1 5 1 D W–B 2 TR 1 G 6 T G 1 1O 20A AM1 NO. 2 E 4 SB J14 JUNCTION CONNECTOR G 1 R–L 2 R6 RHEOSTAT G IG G 1 SB J14 JUNCTION CONNECTOR B G 1 IF1 SB 4 5 IF1 B B 15A GAUGE 3 SB 1 3 J8 JUNCTION CONNECTOR A SB 2 14 1E A 83 2P 1 2H SB 2 B 1 1F 6 IG1 L–B 15 1E L–B L–B IG1 4 I18 IGNITION SW 2 AM1 ACC B 2 Illumination SB 3 1 IG1 B–R 1 EG1 1 P ow er S ourc e 7 LX 470 M OVERALL ELECTRICAL WIRING DIAGRAM SB SB P6 POWER QUARTER WINDOW SW LH 7 LX 470 (Cont’ d) B G G G 3 1 G S4 SEAT HEATER SW (Front Passenger’ s Seat) W–G W–G O3 A/T SHIFT LEVER ILLUMINATION [O/D MAIN SW AND SHIFT LOCK CONTROL ECU] G W–G A30 ASHTRAY ILLUMINATION R34 RADIO AND PLAYER C13 CIGARETTE LIGHTER ILLUMINATION M8 MULTI–DISPLAY W–B W–G B W–G W–G W–G W–G (*1) B (*1) G See Rear Air Conditioning System<32–7> G W–G 2 BO3 W–G G W–B 8 A/C AMPLIFIER SB ILL+2 5 C A33 A , A35 C 10 A ILL+1 See Taillight System <6–1> G G S3 SEAT HEATER SW (Driver’ s Seat) D7 DAMPING MODE SELECT SW AND HEIGHT CONTROL SW G W–G G A E5 ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SW G W–G C11 D , C24 E , C26 G CENTER ECU G G (*1) G G G G (*1) Set bolt of cowl side J/B LH IF B A 2 BF3 2001 LEXUS LX 470 (EWD427U) 1 2B 3 2P B A J38 JUNCTION CONNECTOR 2 IU1 1 2 R8 REAR A/C CONTROL SW SB E W–G 1 IK1 W–G 11 D 7 W–G W–G J37 JUNCTION CONNECTOR 20 E 19 D 12 ILL– A 8 2B 10 2O 3 2B A 2 2 2 9 1 10 G GND 11 G (*1) 22 D (*2) ILL– TC 2 1 DR 3 G G 1 1 4 6 ILL+ J11 JUNCTION CONNECTOR SB D B B C 2 G ILL+ ILL+ 1 2 TAIL RELAY 5 15A TAIL J34 JUNCTION CONNECTOR G G G A 5 IK1 G 9 E (*1) 10 D (*2) 2 8 G 3 IU1 SB 8 7 B 6 5 B A * 1 : w/ LEXUS Navigation System * 2 : w/o LEXUS Navigation System Illumination 1 2G 11 G M M OVERALL ELECTRICAL WIRING DIAGRAM C To Shift Lock Control ECU[O/D Main SW]<12–2> G–W C To Suspension Control ECU<16–7> G–W To Engine Control Module<2–11> C C 1 2 15A STOP S5 STOP LIGHT SW Left rear side quarter panel BM W–B A A 3 A W–B A W–B 5 B G–W B W–B J39 JUNCTION CONNECTOR 3 A W–B Front side under the front passenger’ s seat G–W W–B 5 B J37 JUNCTION CONNECTOR G–W 1 BO3 G–W B 7 BF3 G–W A G–W R13 STOP LIGHT RH [REAR COMB. LIGHT RH] To Towing Converter Relay<5–2> 8 BF3 G–W 4 G–W R–B 1 2 R–B 5 BT1 BACK–UP R–B A A 4 BF3 R–B A STOP G–W 7 BT1 J36 JUNCTION CONNECTOR R–B (*1) To Navigation ECU<29–2> R12 REAR COMBINATION LIGHT RH W–B 3 G–W B B BK B G–W J32 JUNCTION CONNECTOR 8 BS1 W–B 4 BK1 W–B 1 G–W 2 9 BS1 B J35 JUNCTION CONNECTOR G–W 2 BK2 10 2J B H16 HIGH MOUNTED STOP LIGHT R10 STOP LIGHT LH [REAR COMB. LIGHT LH] G–W 12 2O SB G–W 21 2P To Instrument ECU<10–8> G–W G–W 5 ID1 G–W To ABS & BA & TRAC & VSC ECU<15–4> 4 * 1 : w/ LEXUS Navigation System S top Light G–W G–W J43 JUNCTION CONNECTOR C G–O 10 2B 1 2G B R–B R11 REAR COMBINATION LIGHT LH W–B 2 4 BT1 4 W–B BACK–UP 15A GAUGE 12 ID1 R–B 10 BF3 R–B R–B To ABS & BA & TRAC & VSC ECU <15–5> Front left side of fender apron P1 BACK–UP LIGHT SW [PARK/NEUTRAL POSITION SW] EE 4 1 BATTERY 140A ALT B 2 1 1O 2 80A AM1 NO. 1 1 3 20A AM1 NO. 2 F7 FUSIBLE LINK BLOCK B 3 B 15 1E 1 IG1 1 EG1 B–R 1 1F 2 14 1E L–B 1 P ow er S ource To Remote Control Mirror ECU<22–4> IG1 NO. 1 RELAY B B R–B 6 IG1 A I18 IGNITION SW IG1 4 2 AM1 ACC A J8 JUNCTION CONNECTOR L–B L–B B–R R–B 3 R–L R–B R 2 2D R–L 1 IN1 2 20 IN1 R–B 1 2H B 8 LX 470 W–B 1 R–B 2 B ac k– U p Light STOP G–W 2001 LEXUS LX 470 (EWD427U) 100A J/B NO. 2 9 LX 470 P ow er S ource G arage D oor O pener H eadlight C leaner 1 G–R C lock 3 2 4 L–Y * 1 : w/ LEXUS Navigation System * 2 : w/o LEXUS Navigation System W B B B IG1 4 L–B A J8 JUNCTION CONNECTOR 1 IG1 20 IW1 A I18 IGNITION SW B B SB 9 2B L–B B–R ACC 3 G–R 2 AM1 30 3I 15A CIGAR 6 IG1 8 3A 3 EA2 2 25A WIPER 10 1K 3 19 1E 6 1K 9 1J L B +B C11 D , C24 E , C26 G CLOCK [CENTER ECU] 10 IU2 J11 JUNCTION CONNECTOR A W–B 140A ALT F7 FUSIBLE LINK BLOCK A To Instrument ECU <4–4> 100A J/B NO. 2 1 1A 2 7 1K 22 D (*2) +B R–B L B B B 1 ACC 1 G 11 E (*1) 12 D (*2) W–B 1 1O ACC GND 11 G (*1) W–B M 1 14 2F 1 2 D 15 IH1 SB L 1 1 EG1 3 W–B B 2 15 1 E G–R 80A AM1 NO. 1 1 E 13 G G4 GARAGE DOOR OPENER G–R 1 2G MTR H2 HEADLIGHT CLEANER MOTOR W–L W–B 1 1N IG 2 GR 2 3 H GR 1 2H 4 PB C21 HEADLIGHT CLEANER SW [COMB. SW] L–R R–W 4 14 IH1 L–R H1 HEADLIGHT CLEANER CONTROL RELAY B 1 5 22 2D GR L–B 3 IG1 NO. 1 RELAY 20A AM1 NO. 2 20A HEAD CLNER 10A DOME 20A ECU–B1 2001 LEXUS LX 470 (EWD427U) 2 14 1E L–Y 1 1F SB 15 1E L–R 4 1K W 8 2A L–B B–R W L–Y G–R 10 1D B W–B W–B W–B BATTERY 7 2A Front left side of fender apron EE Front right side of fender apron EB EA Front right side of fender apron IF 1 2B Set bolt of cowl side J/B LH M B–R G–R (*1) G–R G–R (*1) B–R G–R B–R B B B 20A ECU–B1 2001 LEXUS LX 470 (EWD427U) 20A AM1 NO. 2 100A J/B NO. 2 W–B GND 14 CG 7 8 BATT 2 IG G–R (*1) B–W (*1) 9 ACC W–B A A SB GR (*1) B 140A ALT P–L (*1) W–B W–B 80A AM1 NO. 1 IF 3 2P J20 JUNCTION CONNECTOR Set bolt of cowl side J/B LH 16 EL 2 IH1 T W–B H B SB Front side under the front passenger’ s seat C27 CENTER ECU G–O 12 A 3 CTY 2 9 IU4 D R–L G–R BK 10 MPX+ MPX– P–B (*1) 2 – G–O EE M 1 LIGHT CONTROL SW Front left side of fender apron +1 R28 REAR WIPER MOTOR 4 MPD2 MPD1 11 5 GTX+ AUTO HEAD TAIL OFF H 5 W–B GTX– 3 IH1 T A32 AUTOMATIC LIGHT CONTROL SENSOR 7 A B W–B G–R F E D C B J3 JUNCTION D CONNECTOR D SB BATTERY L–Y 3 L–Y 12 W (*1) 4 L–O S L–Y B (*1) 1 L + L 4 L L–B A 3 IM1 6 IG 1 6 IM1 2 IM1 8 IM1 7 IM1 C J3 JUNCTION C CONNECTOR C SB 1 1O B 10 IV2 BECU 1 C C18 COMBINATION SW 1 B–W (*1) 21 IV2 W (*1) 22 IV2 From Multi–Display <29–4> SB P–B (*1) 3 L–B SB 2 SB W P–B (*1) P–L (*1) 11 IV2 B (*1) 4 2F W–B 6 W 9 1C To Multi–Display <29–4> 29 2P 4 BK2 3 BK2 P–L (*1) 2 1 L R29 REAR WIPER RELAY 8 IH2 C21 REAR WIPER AND WASHER SW[COMB. SW] 2 SB 1 4 3 W G–O 14 1E L L–B 3 M 2 2 BS2 3 BS2 L–B L–Y W1 WASHER MOTOR 7 1H 2 12 EW L–Y 5 BK2 ON WASH C1R TAIL 18 A B–W 1 1F L 2 1H 1 1A L SB F7 FUSIBLE LINK BLOCK 2 L–B G–B 15 1E B–W (*1) INT +1R 1 2O 19 2P 15 2O 28 2P SB R–B 3 GR (*1) OFF WR 13 16 IH1 SB 1 BS2 15A GAUGE 14 2F WASH 10 17 IH1 TRY 9 C See Taillight System<6–1> L–W 1 25A WIPER 13 2O A LS/M 12 C WLRY 3 C I19 A , I20 B , I21 C INSTRUMENT ECU 4 R–L (Cont. next page) * 1 : w/ LEXUS Navigation System SB SB 1 EG1 L–B SB 1 1N 15A ECU–IG SB 10 1D 15A CIGAR L–B 25 IV3 10A MIRR L–B 11 IV3 A SB J4 JUNCTION CONNECTOR A SB L–Y 20 IW1 2 2D SB LG 53 2P 1 2H SB 22 2D B L C1 17 A 16 A SB 25 2P 9 2B SIG 2 C From TAIL Relay <6–2> 3 IR1 14 2D A 21 A ACC 3 From HEAD Relay <4–4> 6 IG1 4 2B L–B J19 J6 J25 JUNCTION JUNCTION JUNCTION CONNECTOR CONNECTOR CONNECTOR A SB D D SB D D SB 2 M u ltiplex C ommunication S ystem SB G–R A A B SB 1 IG1 IG1 4 L–B A J8 JUNCTION CONNECTOR B B ACC 3 B B 1 P ow er S ource R–L I18 IGNITION SW 2 AM1 10 LX 470 M OVERALL ELECTRICAL WIRING DIAGRAM G–R G5 GATEWAY ECU L SB SB L–O SB GR (*1) G–R B IG1 NO. 1 RELAY 10 LX 470 (Cont’ d) (Cont. next page) M ultiplex C ommun ication S y stem A 5 R–L 7 6 I19 A , I20 B , I21 C SB SB W–B W–B W–B W–B W–B F12 FRONT PERSONAL LIGHT V7 VANITY LIGHT RH V6 VANITY LIGHT LH F11 FRONT INTERIOR LIGHT AND REAR PERSONAL LIGHT 1 2 1 2 1 R R R R R R R R 1 8 BS1 ON OFF W–B 2 A W–B G–Y 13 2A 27 2P SB 10 2N G–Y W–B A W–B J32 JUNCTION CONNECTOR A DOOR R25 REAR INTERIOR LIGHT G–Y W–B C D E F B R 1 2 3 4 BK1 W–B 1 D21 DOOR COURTESY SW REAR LH R–L R–G 1 D22 DOOR COURTESY SW REAR RH R–B D20 DOOR COURTESY SW FRONT RH R–Y D19 DOOR COURTESY SW FRONT LH 1 DOOR J33 JUNCTION CONNECTOR W–B 1 ON OFF B To Data Link Connector 1, 3<2–12> From Stop Light SW<8–4> G–W 20 3E To Data Link Connector 3<2–10> P–B SB W–B 8 3E W–B W–B B 6 IU4 V–W 3 2A 2 W–B 53 3I 7 IU4 1 R–L 5 2O A RLCL 10 B DG 3 B W–B W–B 7 BS1 TC 4 B SB B2 BACK DOOR COURTESY SW R–L 20 2P STP 2 B SB 2 5 BK1 FRRM 2 A 60 2P See Headlight System<4–4> E B R–L 17 2N From Theft Deterrent ECU<18–3> J4 JUNCTION CONNECTOR E SB HRY 15 A R–L 65 3I HEAD 19 A R–L SB B From A/T Indicator Light SW [Park/Neutral Position SW]<14–7> J15 JUNCTION CONNECTOR SB 78 2P B SB SB SB 1 IM1 SB B J24 JUNCTION CONNECTOR SB SB C B E R–L INSTRUMENT ECU RLCY 7 C SB C RRCY 1 B J26 JUNCTION CONNECTOR SB SB From Theft Deterrent ECU<18–3> C R–L B–W 17 IC2 B From Theft Deterrent ECU<18–3> B–W 11 ID2 C SB B–W R–L INDP 14 C C SB B–W 11 11 BP1 B–W J20 JUNCTION CONNECTOR D SB D J20 JUNCTION CONNECTOR MPX2 P24 POWER SEAT ECU MPX1 From Combination Meter<25–3> B L B R30 REMOTE CONTROL MIRROR ECU 2001 LEXUS LX 470 (EWD427U) MPX2 25 SB B L 4 BP1 10 MPX1 PCY 3 A 22 ID2 7 IC2 13 D B 3 T9 TILT AND TELESCOPIC ECU R MPX1 SB SB SB 8 D 7 IU2 2 IU4 MPX2 DCY 14 A SB BN1 12 A SB BN2 9 B 8 SB SB G–R G–R W–B W–B B B E F G H 7 2A W–B BM C D Left rear side quarter panel Set bolt of cowl side J/B LH IF M (Cont. next page) M ultiplex C ommun ication S y stem A 9 R–L 11 10 12 R–L A I19 A , I20 B , I21 C INSTRUMENT ECU 8 BE1 8 3F 46 3I 39 3I 55 3I 47 3I SB G 8 BB1 3 2L 13 2E 80 2P 4 3 5 1 4 1 5 3 4 2 3 23 2P 1 5 2 3 2 40A POWER W–B W–B L–B G–R 12 2E L–B 2 2N L–B 1 2L L–W 9 2E L–W 1 2N L–W B C D E 1 SB G–R 1 2G W–B B See Power Window System<19–1> See Moon Roof System<25–3> H 81 2P 5 2L B G 10A DOME G–Y 22 2P SB 2 2 POWER RELAY 5 D/L(DU) RELAY 3 1 D/L(U) RELAY D/L(L) RELAY 5 2 F SB SB SB R R R SB SB W–B G–R DOME RELAY E F SB G J25 JUNCTION CONNECTOR SB J13 JUNCTION E CONNECTOR E E SB J14 JUNCTION CONNECTOR R R 1 D J25 JUNCTION CONNECTOR 38 3I SB W–B 24 2P 5 2A 4 2N C DDRY 13 B SB SB 51 3I SB 14 3A SB 70 3I SB 15 3E DURY 12 B G–R R–L R 11 3G 5 3F D18 DOOR COURTESY LIGHT REAR RH G–R S17 SIDE STEP LIGHT RH R E 15 3G 2 DLRY 11 C R SB E 3 BE1 1 PWRY 6 C F E SB 2 R B 5 IU1 50 3I R B R R 10 IC1 35 3I 1 G–B R D 2 SB 1 9 IC1 J26 JUNCTION CONNECTOR 1 J6 JUNCTION CONNECTOR SB 2 SB B D17 DOOR COURTESY LIGHT REAR LH G–R 2 D E RRCL 11 B SB 1 RB1L 10 C J26 JUNCTION CONNECTOR 2 R J6 JUNCTION CONNECTOR C R 2001 LEXUS LX 470 (EWD427U) C 3 BB1 E G–W B D15 DOOR COURTESY LIGHT FRONT LH R B R G–W A A 1 IU4 I17 IGNITION KEY CYLINDER LIGHT G–W R J31 JUNCTION CONNECTOR SB B B J6 JUNCTION CONNECTOR R 1 SB S16 SIDE STEP LIGHT LH J26 JUNCTION CONNECTOR F F SB 2 SB C14 A , C17 D OPEN DOOR WARNING LIGHT [COMB. METER] 14 A R 1 SB B 1 D FRCL 15 B D16 DOOR COURTESY LIGHT FRONT RH 64 2P J13 JUNCTION CONNECTOR SB SB R–L 8 2O KYIL 1 A SB LMRY 8 C SB HW 13 A IF Set bolt of cowl side J/B LH W–B F G H I J M OVERALL ELECTRICAL WIRING DIAGRAM 10 LX 470 (Cont’ d) 10 LX 470 (Cont’ d) (Cont. next page) M ultiplex C ommun ication S y stem A 13 R–L 15 14 16 R–L A I19 A , I20 B , I21 C INSTRUMENT ECU DISW 18 B SB B B B SB SB J3 JUNCTION CONNECTOR SB L–B GR–L C SB 4 IU4 5 IU4 R L 16 IC1 L R 2 BA1 1 BA1 4 BA1 J26 JUNCTION CONNECTOR Y B B R L Y 1 15 IC1 2 1 4 2 BK1 SB 3 SET 2 1 BS1 1 W–B L–W L–B L–W L–W D30 DRIVING POSITION MEMORY SW J17 JUNCTION CONNECTOR W–B L–W L–B A 2 14 IC1 A GR–L 3 BA1 L–W L–W A L–W W–B SB W–B L–B W–B G–R GR–L L–B W–B W–B L–B W–B W–B D E F G SB L–W G–R H L–W W–B I J J35 A JUNCTION CONNECTOR W–B H 11 3A GR–L G L–B L–B 4 BB2 GR–L L–W 1 BB2 GR–L 9 BB1 L–B L–W L–B F 3 IU4 Y M A E 6 BS1 M 2 4 B4 BACK DOOR LOCK MOTOR AND BACK DOOR UNLOCK DETECTION SW GR–L 10 BS1 1 L–B 3 6 3F A D L–B GR–L L–B 15 BF3 GR–L 9 BE1 W–B 13 3G 1 BE2 L–W L–W L–B L–B W–B L–B W–B 10 3F 1 3 W–B 2 4 W–B 3 L–W 1 M GR–L M 4 GR–L 3 D28 DOOR LOCK MOTOR AND DOOR UNLOCK DETECTION SW REAR LH 2 D29 DOOR LOCK MOTOR AND DOOR UNLOCK DETECTION SW REAR RH W–B GR–L 4 12 3A C 1 BK2 SB 6 BK1 SB 4 BB1 5 BO3 SB 4 BE1 L–B 5 3G 12 3G B GR–L 4 BE2 B GR–L L–B L–W 3 SB D L–O 1 GND1 4 C 56 3I D27 DOOR LOCK MOTOR AND DOOR UNLOCK DETECTION SW FRONT RH M MEMO 8 B SB SB 2 From Theft Deterrent ECU<18–3> L–B D26 DOOR LOCK MOTOR AND DOOR UNLOCK DETECTION SW FRONT LH 2001 LEXUS LX 470 (EWD427U) 4 D J4 D JUNCTION CONNECTOR L–W M2 17 B SB D 18 2P 13 2L M1 7 B SB SB From Theft Deterrent ECU<18–3> B PISW 6 B 1 3I L–W W–B BK Front side under the front passenger’ s seat BJ Under the driver’ s seat Set bolt of cowl side J/B RH IH M M OVERALL ELECTRICAL WIRING DIAGRAM R–B Set bolt of cowl side J/B RH 9 3G W–B 3 W–B L–W 2 LOCK W–B 6 3G 19 3G 66 3I 6 2O UNLOCK W–B L–W 2 6 2L D SB J15 JUNCTION C CONNECTOR C SB C SB 59 2P 3 W–B 7 2M 1 8 2L L–Y 8 3G D23 DOOR KEY LOCK AND UNLOCK SW LH W–B SB D 75 2P C DKL 6 A SB SB D DKU 11 A SB L–W D SB SB IF 11 ID1 GR–L From Theft Deterrent ECU<18–4> D24 DOOR KEY LOCK AND UNLOCK SW RH G–B UNLOCK II 2 LOCK W–B 1 W–B 4 BT1 UNLOCK 1 68 3I A Set bolt of cowl side J/B LH W–B From Theft Deterrent ECU<18–3> G–R J7 JUNCTION CONNECTOR B GR–L B 6 B GR–L 3 L–W A A A GR–L 2 L–B 1 L–B L W3 WIRELESS DOOR LOCK BUZZER To Theft Deterrent ECU<18–2> 18 IG3 L 3 BZR +B UL3 G–B J14 JUNCTION CONNECTOR SB SB 74 2P PKU 10 A PKL 7 A SB A A G–W 17 3G L–W B B 4 2O L–W SB 18 I19 A , I20 B , I21 C INSTRUMENT ECU SB A A 2 1 GND From TAIL Relay <6–1> 4 TRLY G–B 5 T KSW IG L C 3 BT1 G–B C M ultiplex C ommun ication S y stem W–B B3 BACK DOOR KEY LOCK AND UNLOCK SW 8 BT1 19 J34 JUNCTION CONNECTOR G–B J1 JUNCTION CONNECTOR 2 12 7 15 LSWR G–B W–B 8 L–W 11 13 IU4 SB 14 IU4 SB L–O 6 IU1 SB L–O 7 IU1 SB BZR2 14 A R–W J12 JUNCTION CONNECTOR LSWD CTY LSWP W4 WIRELESS DOOR LOCK ECU 10 13 A R–W R–W A SB 12 IU4 ACY 14 B To Suspension Control ECU <16–7> 1 B R–B B B 9 IU1 From Theft Deterrent ECU<18–4> W–B W–B U1 UNLOCK WARNING SW 1 2B R–B R–B R–L J14 JUNCTION C CONNECTOR SB C D 20 J23 JUNCTION CONNECTOR J11 JUNCTION CONNECTOR 9 IG3 B C SB C SB D KSW 20 A SB J43 JUNCTION CONNECTOR SB From Combination Meter<25–2> From Engine Control Module<2–10> LOCK From Theft Deterrent ECU<18–4> G–W 2 16 3G UNLOCK W–B Set bolt of cowl side J/B LH P15 DOOR LOCK CONTROL SW LH [POWER WINDOW MASTER SW] G–O UNLOCK W–B 8 2M W–B 9 G–R H W–B G W–B F E D 2001 LEXUS LX 470 (EWD427U) GR–L LOCK W–B 15 12 2L 2 2P F J24 JUNCTION CONNECTOR SB G–W C SB F SB IF 3 LOCK 16 11 2L 1 2P C DML 8 A SB SB C DMU 4 A SB B R–L A 10 LX 470 (Cont’ d) 17 67 3I 4 SB G–O 18 3G SB 69 3I PMU 5 A SB PML 9 A D25 DOOR LOCK CONTROL SW RH SB 11 LX 470 P ow er S ource 1 3 2 A L–B A C21 FRONT WIPER AND WASHER SW[COMB. SW] B WIPER SW 1 2H L–B B–R B I18 IGNITION SW 4 +B 25A WIPER B IG1 4 J8 JUNCTION CONNECTOR ACC 2 AM1 H orn Front W iper and W asher WASHER SW +2 +1 +S INT1 INT2 B1 1 1N WF EW OFF OFF INT ON 10A HORN LO HI 6 IG1 1 IG1 2 14 2F L L–B B–R B HORN RELAY L L 1 1F 14 1E 1 +B 1 1A +2 17 8 16 WF 11 2 6 1A 19 II2 25 II2 1 II2 2 IH1 L–Y L–W L–B L L–R A J20 JUNCTION CONNECTOR A 4 2P 1 1 1 H13 HORN LH SB 1 1H H14 HORN RH E 1 1O J5 JUNCTION CONNECTOR 8 1A 7 IW1 9 IW1 18 IW1 12 IW1 E L 7 IH1 L–Y SB 2 +1 G–O L 1 +2 L–W 4 L–B L–R 140A ALT F7 FUSIBLE LINK BLOCK 3 B To Theft Deterrent ECU<18–4> L L 2 SB E SB L–Y B B 4 IG2 1 G–W M 5 G–W 5 2F 2 L–Y 80A AM1 NO. 1 20 II2 11 1H SB 2 12 II2 L 4 12 1H G–O W–B 2 1H 1 3 EW L–Y L IG1 NO. 1 RELAY W1 WASHER MOTOR 20A AM1 NO. 2 7 +S L–W 3 L–R 2 +1 L–B 2001 LEXUS LX 470 (EWD427U) 15 1E S 6 C20 HORN SW [COMB. SW] M BATTERY E 5 W–B 3 2P F6 FRONT WIPER MOTOR EE Front left side of fender apron Front right side of fender apron EB IF Set bolt of cowl side J/B LH M B–R 1 B–R B–W 20A AM1 NO. 2 2001 LEXUS LX 470 (EWD427U) 2 1 W–B 80A AM1 NO. 1 B B W–B W–B L–W 140A ALT W–B L–W W–B W–B EB W–B AUTO ANTENNA CONTROL SW [CENTER ECU] C11 D , C24 E , C26 G II Front right side of fender apron W–B Set bolt of cowl side J/B RH W–B Set bolt of cowl side J/B LH 5 2 UP 3 6 3 14 IW2 6 DOWN ANT 14 13 IW2 A17 AUTO ANTENNA MOTOR 1 5 IW2 6 IW2 2 IW2 B 4 A A VCC 12 W 19 3B A A SIG 10 R IF J30 JUNCTION CONNECTOR 1 IW2 11 SGND A31 AUTO ANTENNA CONTROL RELAY (Shielded) 1 2B GND 11 G (*1) 22 D (*2) B L–W A 19 E (*1) 17 D (*2) 9 SDWN S–ANTU S–ANTD 18 D 7 E 1 SUP 4 B J11 JUNCTION CONNECTOR A W–B W–B A W–B SHIFT LOCK SOLENOID 5 E IG 7 W L–Y K3 KEY INTERLOCK SOLENOID W–B 2 L–R 5 ACC 17 R 11 IK1 4 L–Y L 1 G G–W L–W E SLS– 3 G–R SHIFT LOCK CONTROL SW 13 IG1 20A RADIO (Shielded) 21 IK1 7 P2 P P1 SLS+ STP O3 SHIFT LOCK CONTROL ECU [O/D MAIN SW] 8 17 1E 1 1N 4 * 1 : w/ LEXUS Navigation System * 2 : w/o LEXUS Navigation System L–W 6 KLS+ IG 1 B–W ACC GR 3 22 IK1 GR L–Y BATTERY B–W GR 10 IK1 GR B–W F7 FUSIBLE LINK BLOCK GR G–W 9 IK1 B–W 22 2D G–W L–Y 2 4 2B 15A CIGAR J8 JUNCTION CONNECTOR 3 L–Y 1 1O 15A ECU–IG 9 2B B B From Stop Light SW <8–4> B–R 1 L–B 14 2D A A 2 A uto A ntenna From Radio and Player <28–4> 2 B L–B B 15 1E IG1 4 ACC 3 S hift Loc k B 1 IG1 1 I18 IGNITION SW 2 AM1 P ow er S ource 12 LX 470 M OVERALL ELECTRICAL WIRING DIAGRAM W–B W–B 13 LX 470 P ow er S ource SRS 1 ACC 3 2 AM1 3 2 B IG1 B 1 2G J8 JUNCTION CONNECTOR B B 4 B 15A ECU–B B 7 AM2 IG2 6 To Data Link Connector 3<2–10> B–R P20 PRETENSIONER LH ST2 1 J3 JUNCTION CONNECTOR 16 2B A SB 1 IS1 2 ID3 A 2 Y W–R B–R B 1 ID3 2001 LEXUS LX 470 (EWD427U) 7 2C 1 2 Y–B 15A SRS Y–R 10A IGN 2 IG1 SB I18 IGNITION SW Y–G 1 IG1 26 2P 9 2B V–W W–R B–R B 1 EG1 12 2B P21 PRETENSIONER RH 2 IS1 4 2C 5 2C A 17 PL– 8 7 PR+ PR– E2 D+ 28 14 D– 13 P+ 10 P– 11 +SL 15 –SL +SR 9 26 –SR 20 TC 19 Y–G Y–R Y Y–B W–B W–B 2 SB 15 2D B–Y 1 P–B 2 50 2P 13 2B BR–W 2 1 EA1 B–W 1 2 EA1 BR W–R 140A ALT 100A J/B NO. 2 F7 FUSIBLE LINK BLOCK 10 2C 1 IT1 BR–W BR 2 EF1 2 IT1 B–W W–R 1 EF1 B B 1 1 IB1 7 SB 2 IB1 2 II1 B–Y P–B BR–W B–W BR W–R Y Y–B 1 II1 C16 SRS WARNING LIGHT [COMB. METER] LA 3 3 2C 1 1N 2 A 8 27 80A AM1 NO. 1 B 3 12 SIL 1 1 1O J26 JUNCTION CONNECTOR SB PL+ C6 CENTER AIRBAG SENSOR ASSEMBLY V–W 16 Y ACC Y–B 6 IG2 Y–R 30A AM2 20A AM1 NO. 2 5 E1 2 Y–G 10 1E GR B–R 15 1E 1 SPIRAL CABLE 1 BATTERY 1 2C IG 2 2C A29 AIRBAG SQUIB (Steering Wheel Pad) To Data Link Connector 1, 3 <2–11><2–12> 2 A28 AIRBAG SQUIB (Front Passenger Airbag Assembly) A15 AIRBAG SENSOR FRONT LH A16 AIRBAG SENSOR FRONT RH Set bolt of cowl side J/B LH M 14 LX 470 W–R Y–B 15A THROTTLE W–R Y–B EE 2001 LEXUS LX 470 (EWD427U) SLT– 15 C B S1 4 B 7 S3 2 SLT+ 6 SLT– E1 ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID S2 8 6 EB2 3 EB2 7 EB2 9 EB2 8 EB2 Y B–Y 30A AM2 B F7 FUSIBLE LINK BLOCK SB SB CANCEL SLT+ 9 C NSW E03 1 B E02 MREL E1 SIL W–B EFI or ECD RELAY B IG1 NO. 1 RELAY 140A ALT 80A AM1 NO. 1 EC W–B Rear bank of right cylinder head EOM SB R–L 5 E 17 E 10 D E01 SPD 9 A 21 A 31 A 17 B ME01 STP 2 E 15 E BR B–Y BR Rear bank of right cylinder head 4 SL 3 C STA 7 D BR EC BR S2 2 C R O 1 IH2 S1 1 C THW ENGINE CONTROL MODULE VTA2 W SET/ COAST VTA G 38 2P VPA2 9 B 13 B 20 B 14 B G–W Front left side of fender apron B–Y 5 VPA 5 D 83 2P W–B 6 IX1 B–Y BATTERY 49 2P RES/ ACC SB 3 IH2 VC 2 B 21 B R G–B 2 L 22 IU1 GE01 E 6 A , E 7 B , E 8 C , E 9 D , E10 E M+ 8 A 30 A W 7 IG2 CCS M– 7 A 14 D CL+ G 7 1C CL– 19 A 29 A G–W 1 1F +B 16 E ST1– 10 E 2 2D See Engine Control System<2–4><2–6><2–7><2–9><2–10><2–11> See Stop Light System<8–4> 1 2H G–B 1 1O 1 +B1 8 E IGSW 1 2 1 IN1 4 W–B 1 20A EFI or ECD 1 20A AM1 NO. 2 2 3 B–R 2 4 Y–B 4 1 13 1C J43 JUNCTION CONNECTOR 9 E B–R +BM B–R 7 E B–R BATT R–G 1 E A B–R 3 5 1D A R–G 2 14 1E A 4 3 S5 STOP LIGHT SW 1 1N B–R 15 1E 1 IG2 L–B B–R B–R 6 IG1 21 2D 12 2B 10A IGN 10 1E L–B A B–R 15A GAUGE 1 1D B–R 1 IG1 I18 IGNITION SW IG1 4 ACC J8 JUNCTION CONNECTOR L–B A IG2 6 B–R ST2 3 B 2 AM1 7 AM2 2 E lec tronic ally C ontrolled T ransmis sion and A /T Indicator R–L 2 IG1 W–R Y–B C ruise C ontrol SB 9 IG2 1 P ow e r S ourc e B A (Cont. next page) M OVERALL ELECTRICAL WIRING DIAGRAM W–B W–B G W C20 CRUISE CONTROL SW [COMB. SW] L CRUISE B See Engine Control System<2–2> B–Y 14 LX 470 (Cont’ d) E lec tronic ally C ontrolled T ransmission and A /T Indic ator A B 5 R–L 7 6 SB 8 R–L SB 3 To ABS & BA & TRAC & VSC ECU<15–5> G–W G–B G G–Y SB SB SB J19 JUNCTION CONNECTOR J17 JUNCTION CONNECTOR J19 JUNCTION CONNECTOR E E E E 5 C SB 6 C SB SB SB 17 B 4 C 3 C L 2 D N R P A/T P O/D OFF ECT PWR A/T OIL TEMP. 2nd STRT CRUISE Y–G Y–B Y 2 IU3 20 C 18 B 20 D 1 C 15 B 2 D 1 A SB SB SB SB SB L–W L–R B SB SB SB 12 IU3 SB 7 IU3 SB 9 IU3 SB 11 IU1 SB 15 IK1 16 B COMBINATION METER 9 IO1 O 17 IK1 E L–W L–W 14 IU3 SB C14 A , C15 B , C16 C , C17 D 15 A 17 C 16 IK1 E 13 IU3 C TFN 6 D L–W L–R B B From Detection SW (Transfer L Position) <17–3> C PI 16 D 2 IX1 Y 5 IO1 J22 JUNCTION CONNECTOR C C SNWL 14 C G–R OILW 24 D L–W L–R B–L 10 IO1 C C SB To Instrument ECU<10–6> SB 7 C D SB ENGINE CONTROL MODULE PWR 13 C R–B L R–B 1 D 2 SB J19 JUNCTION CONNECTOR SB 2 D D D D SB SB 8 D R 11 IX1 G–W 3 D E2 12 IX1 3 IX1 SB SNWI 18 B 1 IX1 20 IN1 SB ODLP 26 D J29 C JUNCTION CONNECTOR G–B ODMS 15 D 8 4 IU3 G L4 1 IU3 G–Y OIL E 6 A , E 7 B , E 8 C , E 9 D , E10 E 9 D LL 4 R–B 3 IU3 R–B 17 C NCO+ 2L 7 C G–W SB BR–W 4 C NCO– DL 5 C J14 JUNCTION CONNECTOR B SB G–Y SP2+ NL 2 G–W 2 L–R L–W 10 C 5 C SP2– RL 1 B R–B R G 2001 LEXUS LX 470 (EWD427U) 11 C PL 4 IO1 SB 5 EB2 10 EB2 RB SB 2 1 BR–W 1 R G A6 A/T OIL TEMP. SENSOR 2 L–R O1 O/D DIRECT CLUTCH SPEED SENSOR R V3 VEHICLE SPEED SENSOR (Electronically Controlled Transmission) 1 P1 A/T INDICATOR LIGHT SW [PARK/NEUTRAL POSITION SW] SB 3 W–B W–B 10 PWR 2nd O3 O/D MAIN SW 5 SB C E5 ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SW W–B 11 IK1 J17 JUNCTION CONNECTOR C SB C SB A SB 2 A W–B 1 2B See Illumination System <7–4> SB 5 G J20 JUNCTION CONNECTOR G SB J23 JUNCTION CONNECTOR SB 3 2P To Detection SW (Transfer Neutral Position)<17–2> W–B IF Set bolt of cowl side J/B LH M 15 LX 470 W–R B–R 20A AM1 NO. 2 W–R B–R EE 50A ABS NO. 1 2001 LEXUS LX 470 (EWD427U) Front left side of fender apron 10 1B 12 1B 5 1B 2 2 1B 4 14 1B 3 1 1B 6 SR MR1 19 A 29 A G–Y MTT GSS 11 C VGS 1 C GL1 22 C 8 D 7 D 1 D 8 A 9 A SFLH SFLR SFRH SFRR SRLH SRLR SRRH SRRR 7 A 16 D GL2 10 C GGND 21 C STP 10 B SA1 2 A SA2 3 A SA3 4 A STR 5 A PH O R–Y G–Y G–W B G B–O W R–G R–W B–W LG B–Y Y B–R R R R 30A AM2 80A AM1 NO. 1 B B 140A ALT BS 4 A W A43 A , A44 B , A45 C , A46 D ABS & BA & TRAC & VSC ACTUATOR GND PHG PLG GND2 1 D 5 A 2 B 6 B 4 B PL W–B L–B Y–G F7 FUSIBLE LINK BLOCK EB W–B Front right side of fender apron W–B W–B W–B MT– GND1 1 A 5 B 8 B MT+ MT– L LBL 2 D MT+ 9 D 28 A 18 A PL ENG+ ENG– TRC+ TRC– 6 D 11 A AST NEO 7 B 14 B 22 B 24 B 16 B A39 A , A40 B , A41 C , A42 D ABS & BA & TRAC & VSC ECU BZ B A GR 2 A 3 B 7 B 8 C 7 C 10 C 9 C 4 C 3 C 2 C 1 C 12 C 11 C 5 C 6 C 1 B 3 A BM1 BM2 MTT SFLH SFLR SFRH SFRR SRLH SRLR SRRH SRRR SA1 SA2 SA3 STR AST PH L–R MR2 2 D 27 A 21 A Y–B BATTERY 1 40A ABS NO, 2 1 1 L–B 2 IG1 NO. 1 RELAY 3 P R 1 1N B 4 W–L 2 2 1 B–W 1 1O L–B 3 10A IGN 1 2 W–L B–W 2 1 P 4 15A ECU–IG 2 1 B–W 4 B–W 2 B L IG1 (*1) 6 B G–W IG2 W 22 D R R2+ G 3 D Y R1+ B 1 A 2 IG4 V 12 IG4 Y–G B * 1 : Shielded L 1 3 1 IG4 13 IG4 Y 14 IG4 V8 VSC WARNING BUZZER P 2 P 4 1B BUZZER 11 1B (*1) 8 1B 5 IK2 2 IK2 2 GGND B 14 1E GL2 5 4 IK2 (*1) V 3 IK2 B Y 1 IK2 V P 1 GL1 1 From Stop Light SW<8–4> 1 1F 6 2J 2 3 VGS From Engine Control Module<2–8> 10 1E 8 2J 14 2D L–B D31 ABS DECELERATION SENSOR 4 To Engine Control Module<2–8> 15 1E L–B 6 IG1 12 2B B–R 3 Y 2 IG1 ST2 IG2 6 B–R A J8 JUNCTION CONNECTOR A L–B L–B A 2 VSC P 1 IG1 7 AM2 IG1 4 ACC I18 IGNITION SW 2 AM1 1 P ow er S ource (Cont. next page) M OVERALL ELECTRICAL WIRING DIAGRAM W–B W–B To Engine Control Module<2–7> ABS SOL RELAY G–Y L–B ABS MTR2 RELAY R R ABS MTR1 RELAY Y–B L–R 15 LX 470 (Cont’ d) (Cont. next page) VSC 5 B A * 1 : Shielded 6 7 8 B Y–G B Y–G P–L Y1 YAW RATE SENSOR 17 IU3 SB SB SB SB 16 IU3 C D E F G H 19 IU1 B–R L–R L–B L–W Y–G 28 C GYAW YAW 9 C 19 C VYS 25 C YD FLO 24 C 3 C FRO EXI 13 B 8 C EXI3 PKB 11 B 12 B TC TS 1 B WA 5 C 4 C BRL 6 C VSCW IND 14 IW1 B–R 27 C 12 IG2 L–R YSS L–B 18 C VCM 3 IG2 L–W 10 A PMC 13 IG2 Y–G 22 A E2 11 IU3 15 IG1 P–B 23 A SB 17 IG3 R–W MSS P–L 19 IW1 B–L P–B R–W R–Y L W–L W 24 A W 9 IG4 P–B 10 IG4 R–W 11 IG4 W–R (*1) R To Data Link Connector 1, 3 <2–11><2–12> From Parking Brake SW<30–6> From Detection SW (Transfer L Position) <17–3> To Detection SW (Center Diff. Lock) <17–2> 22 IG4 R–B G–W V–W 4 B P SB B B R W (*1) 8 IG4 5 B D/G 7 C 15 C WT INFR A39 A , A40 B , A41 C , A42 D ABS & BA & TRAC & VSC ECU TFN FSS 15 B FL+ 25 A FL– 16 A 15 A FR+ FR– 14 A 13 A RL+ RL– 18 B RR+ 19 B RR– 20 B RSS 21 B AHCO AHC1 13 D 14 D A A 18 IG4 14 IG1 G 6 IG4 8 IG1 W–B W 7 IG4 W–B W–B W (*1) B G R (*1) P L G R 3 IG4 SS1– 23 C G 7 IA1 SS1+ 14 C W A W–B 6 IA1 GND2 6 A W–B 3 IA1 GND1 31 A J41 JUNCTION CONNECTOR 8 IA1 A (*1) 2 IA1 GND3 8 B W–B (*1) 5 IA1 GND4 17 B W–B R–W R B–R J41 JUNCTION CONNECTOR B J41 JUNCTION CONNECTOR W–L W (*1) B G (*1) R W–R Y–G 16 IN1 B (*1) 18 D C C 20 IG4 B WAHC 9 B C Y–G 2001 LEXUS LX 470 (EWD427U) 3 B SB 1 R–B G–W V–W 19 IG4 4 SB 2 IU2 21 IG4 16 IG3 5 L 2 YD W–L 3 VCM W PMC 1 VYS To Suspension Control ECU<16–4> 3 (*1) E2 YAW2 W–R From Back–Up Light SW [Park/Neutral Position SW]<8–2> From A/T Indicator SW [Park/Neutral Position SW]<14–7> To Data Link Connector 3<2–10> GYAW M4 MASTER CYLINDER PRESSURE SENSOR SB A Y–G 15 BF2 10 BF2 From Steering Angle Sensor<16–3> Front right side of fender apron EA W–B 2 W–B 1 A37 ABS SPEED SENSOR REAR RH B From Suspension Control ECU<16–4> W 2 2 BI3 B G R 1 A36 ABS SPEED SENSOR REAR LH 1 BI3 R 6 BI3 9 1J To Combination Meter <30–7> 5 BI3 J36 JUNCTION CONNECTOR BR W (*1) B G (*1) B B 19 1E (*1) 16 BF2 R–W 2 BF2 R 2 A12 ABS SPEED SENSOR FRONT RH A11 ABS SPEED SENSOR FRONT LH From Detection SW (Transfer Neutral Position) <17–2> 4 1 B–R 3 BF2 2 EB Front right side of fender apron M 15A GAUGE J14 JUNCTION CONNECTOR M OVERALL ELECTRICAL WIRING DIAGRAM SB 10 2P Y–G B SB B SB 4 2J 83 2P 12 1 2H B SB C14 A , C16 C , C17 D 11 15 A 17 D COMBINATION METER SB SB 14 C ACTIVE TRAC SB VSC 11 C VSC OFF SB 13 C SLIP SB SB 10 12 C VSC TRAC SB J25 JUNCTION CONNECTOR 8 D BRAKE 12 2P C SB C SB SB 46 2P 41 2P SB SB H SB SB F G SB E SB D Y–G P–L C B B SB A 15 LX 470 (Cont’ d) 9 P–L 1 2J 2 A ABS 2001 LEXUS LX 470 (EWD427U) MEMO 2001 LEXUS LX 470 (EWD427U) B B–R Front left side of fender apron EE L–B W–R W–B A14 AHC PUMP MOTOR W–B 80A AM1 NO. 1 B 100A J/B NO. 2 2001 LEXUS LX 470 (EWD427U) W–B B 140A ALT SB J20 JUNCTION CONNECTOR F7 FUSIBLE LINK BLOCK IF 1 2B W–B II W Set bolt of cowl side J/B RH W–L 3 2P 20A AHC–B 19 3B A24 AHC MAIN RELAY Set bolt of cowl side J/B LH W–B 11 IK1 W–B 8 7 S M H1 H2 4 D7 DAMPING MODE SELECT SW AND HEIGHT CONTROL SW 5 6 3 7 IK1 19 IK1 18 IK1 LG–R LO W–B TSW1 5 B L–B HI A TSW2 13 B 8 IK1 LG–R R–Y 20 IK1 L–B L–Y A UPSW 8 B R–Y L–W W–B DNSW 7 B SIL EXI 16 B 18 A V–W A NSW 6 B L–Y FRO 4 A 17 A FLO SLFL 20 A 12 IG3 3 IG3 4 IG3 P–B A A 3 MOD2 22 A SLFG 7 A SUSPENSION CONTROL ECU SLB 24 A VSCO 19 A MOD4 12 A SLRL 21 A SLRG 8 A R J1 JUNCTION A CONNECTOR A W–B 1 GND 7 C S6 A , S7 B , S8 C SLAC 6 A L–W 1 GND 26 A SS2 16 A P–B R–W BATTERY 20A AM1 NO. 2 R–W R–Y 2 4 G–Y 2 G–Y MRLY B–Y SS1 3 A To ABS & BA & TRAC & VSC ECU <15–8> 25 A B–Y IG R–B 1 C G–W RC L–R 5 A 2 ID2 13 ID2 1 ID2 12 ID2 4 ID2 L–Y B 13 A 15 ID2 1 BF1 8 BF1 2 BF1 9 BF1 14 BF1 15 BF1 9 BI1 7 BI1 4 BI1 1 BI1 8 BL1 V R–Y M 2 10 2D W–L 3 BD2 4 BD2 1 BD2 L–Y 2 BD2 5 5 BD2 3 B–Y 1 1O 4 B–Y J12 JUNCTION CONNECTOR 7 BI2 11 BD1 4 B–R 1 1 2 B B 12 BD1 1 L–R B–O 1 AHC RELAY B 23 II2 2 L–Y 2 B V 4 L–B B–Y 1 L–B 3 20A AHC–IG 2 7 II2 W B–R IG1 NO. 1 RELAY 3 7 2B R–B 21 II2 G–W J12 C JUNCTION CONNECTOR B–Y 20 II2 9 II2 3 G B–O 3 B–R L–R 2 L–B L–Y 1 2G C 7 SS1+ SS2 6 W V 7 1D 6 1D C 8 SS1 SS1– G L–R G–Y 1 IG ESS L–R B–Y 14 1E 11 IG3 1 2H 2 L–Y L–Y B–R 1 1F G–Y To Engine Control Module <2–8> B W–B 4 C22 CONTROL VALVE ASSEMBLY L–Y V B–O 15 1E A J8 JUNCTION CONNECTOR 2 IH1 A38 ACCUMULATOR SOLENOID 2 1 V B–Y 6 IG1 A SB 3 C19 STEERING ANGLE SENSOR [COMB. SW] B–Y B–R 1 IG1 L–B B 2 B–R B–O 1 EG1 IG1 4 ACC B A ctive H eight C ontrol S uspens ion and A da ptiv e V ariable S us pension (Cont. next page) B–O I18 IGNITION SW 2 AM1 1 P ow er S ource 16 LX 470 M OVERALL ELECTRICAL WIRING DIAGRAM R–W To ABS & BA & TRAC & VSC ECU<15–7> From ABS & BA & TRAC & VSC ECU<15–6><15–7> To Detection SW (Center Diff. Lock) <17–2> To Data Link Connector 3 <2–10> OFF W–B W–B W–B W 50A AHC 16 LX 470 (Cont’ d) A ctive H eight C ontrol S uspens ion and A daptive V ariable S u spension 5 10 BI1 G–Y 3 BF1 R–B 6 BI1 R–B 4 BF1 1 1 IG3 From Instrument ECU <10–20> B–O R–W 1 A 12 B STP 2 A 15 A L4SW 23 A REG DOOR 3 5 4 5 3 BG1 17 BF1 GR W 9 BI2 11 BI2 GR W LG G–W LG LG W GR 12 BI2 G–W LG 1 BF3 LG G–W G–W W GR Y 4 BG2 G–W R Y W–B 4 BI3 LG GR R 2 BG2 7 BF1 10 BI2 W–B B 8 BD1 W–B W–B L B Y B Y B L B R Y L 6 BD1 G–W W–B W R W–B 7 BG2 W–B 2 BG1 L R L W–B 3 BD1 16 BF1 3 BG2 L B R Y 1 BD1 8 BI2 6 BF1 G–W LG 1 BG1 3 W 7 BD1 1 GR W–B 5 BD1 2 G–W LG W 10 BD1 GR W–B 4 BG1 1 GR 4 W–B Y 8 BG2 2 GR 2 17 ID2 W 5 R 6 BG2 B L 9 BD1 3 6 ID2 RA– 9 C LG 1 W–B 4 BD1 4 16 ID2 RA+ 3 C LO G–W 2 Y L 2 BD1 5 R B 3 B R 1 RB– 8 C 9 A NR W D13 DAMPING FORCE CONTROL ACTUATOR REAR RH 10 A HI LG G–W D12 DAMPING FORCE CONTROL ACTUATOR REAR LH 11 A VN 5 ID2 4 Y–R TC 2 C SUSPENSION CONTROL ECU D11 DAMPING FORCE CONTROL ACTUATOR FRONT RH Y–B 15 B TS RB+ D10 DAMPING FORCE CONTROL ACTUATOR FRONT LH Y B–R B–L G–W P–B W 14 B SHG S6 A , S7 B , S8 C L Y 11 BF1 To Combination Meter <30–6><30–7> From Generator <1–3> From Detection SW (Transfer L Position) <17–3> W TOIL From Stop Light SW <8–4> To Data Link Connector 1, 3 <2–11><2–12> G–Y 9 B 3 B PACC 19 ID2 13 BF1 3 BI1 13 IG3 FA– 10 BF1 11 BI1 11 IW2 4 B SHFR 11 C 12 BF1 5 BI1 2 G–R 8 ID2 11 B SHB L B 18 ID2 FA+ 5 C 3 IW2 1 R–W FB– 10 C R Y 7 ID2 1 B SHFL R–W FB+ 4 C 19 IW2 J44 JUNCTION CONNECTOR R–Y R–B W 10 B SHRR 2 B B 2 B R–Y R–L B 1 R–B B 1 J42 JUNCTION CONNECTOR A G–Y T1 TEMP. SENSOR(AHC) G–R 3 4 IW2 R–B R–B W 2001 LEXUS LX 470 (EWD427U) 20 ID2 J44 JUNCTION CONNECTOR F1 FLUID PRESSURE SENSOR 14 ID2 10 IG3 R–B 2 H12 HEIGHT CONTROL SENSOR FRONT RH G–Y R–B R–B R–L 2 IG3 A 3 G–Y A W 5 BF1 A G–Y C R–B G–Y C R–B 2 A 8 G–Y 12 IW2 C J42 JUNCTION CONNECTOR 1 2 BI1 A G–Y R–B W H15 HEIGHT CONTROL SENSOR REAR H11 HEIGHT CONTROL SENSOR FRONT LH 2 A G–Y A G–Y 3 7 6 3 ID2 G–Y G–Y 3 G–Y W GR W–B BM Left rear side quarter panel M B–R 1 IG1 B–R EE Front left side of fender apron W–B From A/T P Indicator Light[Comb. Meter] <14–6> SB To ABS & BA & TRAC & VSC ECU <15–5> SB SB Y–G 2001 LEXUS LX 470 (EWD427U) P–B Y–G P–B 80A AM1 NO. 1 B F7 FUSIBLE LINK BLOCK 140A ALT D4 DETECTION SW (Center Diff. Lock) M 5 W–B Set bolt of cowl side J/B LH 3 W–B W–B IF 1 2B 2 3 W–B W–B BATTERY EC 4 1 B–L 2 G–B C2 CENTER DIFF. LOCK CONTROL MOTOR 1 EB1 6 EB1 2 EB1 G–R Rear bank of right cylinder head Y–G G 12 EB1 W–B G–Y 3 EB1 6 6 2B W–B 5 EB1 B–L B–L 1 5 G–B 1 1 G–R 1 2 4 8 IN1 B–L 9 IN1 B–L 14 IN1 G–B G 10 IN1 10 G–R G–Y 2 IN1 B–L C11 D , C24 E CENTER DIFF. LOCK SW [CENTER ECU] 14 E (*1) 19 D (*2) B–R 13 E (*1) 5 D (*2) G 2 7 IG3 2 2D 15A GAUGE G–Y 2 R–L 11 EB1 B–L 4 IX1 B–L 8 EB1 SB 9 4 D 15 E 83 2P B 4 EB1 D To ABS & BA & TRAC & VSC ECU <15–7> 15 IX1 D D R–L SB 1 2H 4 20A DIFF. * 1 : w/ LEXUS Navigation System * 2 : w/o LEXUS Navigation System L–B 2 20A AM1 NO. 2 54 2P 1 IN1 R–L J17 JUNCTION CONNECTOR 16 C 5 2J P–B CENTER DIFF. LOCK INDICATOR LIGHT [COMB. METER] From ABS & BA & TRAC & VSC ECU<15–7> From Suspension Control ECU <16–4> To Suspension Control ECU<16–7> 1 4 1 IG1 NO. 1 RELAY B B SB 15 A J14 JUNCTION CONNECTOR C14 A , C16 C A To Engine Control Module<14–5> 1 1O 3 2 14 1E L–B A SB 2 B 1 1F 6 IG1 J8 JUNCTION CONNECTOR L–B 3 R–L 15 1E L–B I18 IGNITION SW IG1 4 ACC 2 C enter D ifferential Lock B 2 AM1 1 P ow er S ource 17 LX 470 M OVERALL ELECTRICAL WIRING DIAGRAM C7 CENTER DIFF. LOCK CONTROL RELAY R–L D5 DETECTION SW (Transfer L Position) D6 DETECTION SW (Transfer Neutral Position) W–B 18 LX 470 From Center ECU <31–8> G–R From HORN Relay <11–4> From HEAD Relay <4–4> G–R G–W SB SB SB SB SB G–W G–R G–R G–R G–O R–B G–B G–Y V R–B G L–Y L–W GR–L L–O L–B R–L L R–Y SB To Door Key Lock and Unlock SW RH and Back Door Key Lock and Unlock SW<10–19> To Unlock Warning SW <10–20> GR–L SB From Wireless Door Lock ECU<10–20> To Door Courtesy SW Front LH<10–5> To Door Courtesy SW Front RH<10–6> To Door Courtesy SW Rear LH and Back Door Courtesy SW<10–7> To Door Unlock Detection SW Front LH<10–13> To Door Unlock Detection SW Front RH<10–13> To Door Unlock Detection SW Rear LH, RH and Back Door Unlock Detection SW <10–20> To Door Key Lock and Unlock SW Front LH <10–17><10–18> SB SB SB SB SB SB SB SB SB G–W J20 JUNCTION CONNECTOR T2 THEFT DETERRENT HORN W 3 2P SB SB SB W A G–W W–B SB A From TAIL Relay <6–1> SB B W W–B 10 IW2 J3 JUNCTION CONNECTOR SB SB B–W L–R T 6 B , T 7 A THEFT DETERRENT ECU L–B BATTERY J4 JUNCTION CONNECTOR SB SB SB L–B 140A ALT F7 FUSIBLE LINK BLOCK E3 ENGINE HOOD COURTESY SW B 100A J/B NO. 2 1 Set bolt of cowl side J/B LH IF Front right side of fender apron EA 10 IU4 1 IU5 8 IU1 7 IL2 6 IL2 8 IL2 4 IL2 15 IL2 16 IL2 17 IL2 12 IL2 5 IL2 5 IL1 7 IL1 2 IL1 3 IL2 B B–R B 2 KSW 6 B UL2 10 B UL3 9 B L2 8 B LSWR 16 B LSWP 15 B LSWD 14 B CTY 1 B DSWP 5 B IND HORN 6 A 12 A 10 A 11 A HEAD TAIL SH +B1 +B2 14 IL2 3 IL1 4 IL1 13 IL2 9 IL1 2001 LEXUS LX 470 (EWD427U) B C G–W C 1 IL1 10 IL2 DSWD 4 B LUG 7 B E 7 A SH– 2 A 20 IW1 9 A 11 B 1 A 13 B 3 B IG DSWH 1 1O A A J7 JUNCTION CONNECTOR 1 A A 2 11 IL2 8 IU4 5 IU5 5 IG2 42 3I 4 IU5 9 IW2 G–W 5 1C 10 1D 43 3I 26 2P 25 2P 15A HAZ–TRN 20A ECU–B1 D 15A ECU–B 15A ECU–IG 9 IU4 15 1E 1 1N 1 2G 14 2D B–R B L–B 20A AM1 NO. 2 6 IL1 6 EA2 80A AM1 NO. 1 1 2 3 1 1 IG1 B 2 AM1 IG1 4 J8 JUNCTION CONNECTOR A L–B L–B A ACC 4 3 2 1 J3 JUNCTION CONNECTOR D SB I18 IGNITION SW 1 EG1 Theft D eterrent P ow er S ource B M R B 2001 LEXUS LX 470 (EWD427U) 3 IF 2 PLS 3 12 L–W L–Y Y G P16 POWER WINDOW MOTOR FRONT LH 4 LMT 13 SGND 5 10 E D U 2 3 LMT 3 4 PLS L–W L–Y Y G P17 POWER WINDOW MOTOR FRONT RH 4 1 5 2 SGND E W–B 6 BB2 12 W–B 1 BB1 D G U LMT 2 3 PLS 3 4 P18 POWER WINDOW MOTOR REAR LH 4 1 Y B 100A J/B NO. 2 W–B W–B W–B 140A ALT Under the driver’ s seat 1 6 L–Y 5 2 SGND E 6 BE2 12 BK W–B W–B W–B W–B W–B BJ SEL2 10 L–W Set bolt of cowl side J/B RH 1 6 B W–B II 9 SEL1 B 7 D 1 6 2 3 LMT 3 4 PLS 5 2 SGND P14 POWER WINDOW CONTROL SW REAR RH P19 POWER WINDOW MOTOR REAR RH 4 1 U PCT 11 Front side under the front passenger’ s seat RX 8 G 3 3H 12 RX 7 Y Set bolt of cowl side J/B LH 1 U 20 PCT 8 7 BE1 2 BE1 2 BE2 L–Y 8 2M D 8 PCT RX 11 P13 POWER WINDOW CONTROL SW REAR LH R L–W BATTERY F7 FUSIBLE LINK BLOCK L 1 EG1 R E R–L 9 Y–B 2 R 5 11 R–L 8 Y–B B 7 7 BB1 Y–B PCT 6 2 BB1 R–L TX 18 2 BB2 R PWR 1 R R–L Y–B P12 POWER WINDOW CONTROL SW FRONT RH 9 3E 2 3F 1 3F R IG 3 1 3H 7 3C R–L 1 1 5 3H 9 3C 4 2D 4 Y–B 1 2G R 40A POWER R POWER RELAY 3 L 2 P15 POWER WINDOW MASTER SW 6 3H 11 2D Y–B R–L R–L 80 2P Y–B 3 2N 13 2N 3 P ow er W indow Y–B 6 2M See Multiplex Communication System<10–12> 5 2M R 9 2M 13 3A 4 2M R–L R–L 4 2E L R R 2 Y–B 14 2N 1 P ow er S ourc e 19 LX 470 M OVERALL ELECTRICAL WIRING DIAGRAM BR–B BR–B BR–B BR–B MEMO 2001 LEXUS LX 470 (EWD427U) C W–B SYSB +B 8 B 11 A MPX2 MPX1 2 W–B R–G 3 2 1 W–B R–G 3 2 1 R–G 3 R–G W–B B 140A ALT 2 1 1 F7 FUSIBLE LINK BLOCK 80A AM1 NO. 1 100A J/B NO. 2 3 B 2001 LEXUS LX 470 (EWD427U) BATTERY B 2 1 L–B 1 1N 14 A 6 A R–G P38 POWER SEAT POSITION SENSOR(Driver’ s Seat Slide Control) 10 BP1 W–B W–B 3 1 SSFV 3 A 5 A SSRR SSRL PVCC SSRS 4 A LFT+ SLD– SLD+ W–B W–B BJ Under the driver’ s seat POWER SEAT ECU P24 A , P25 B 7 B GND SGND 13 A 8 A 9 B 6 B 3 B 4 B 1 20A AM1 NO. 2 P36 POWER SEAT POSITION SENSOR(Driver’ s Seat Rear Vertical Control) L–R 1 1O 10 1D 9 A B B W–B L 20A ECU–B1 2 B–R 15 1E 1 IG1 1 EG1 P ow er S ourc e 20 LX 470 G–R B M 2 I18 IGNITION SW R–W P37 POWER SEAT POSITION SENSOR(Driver’ s Seat Reclining Control) LFT– 2 M 1 A A IG1 4 P30 POWER SEAT MOTOR (Driver’ s Seat Slide Control) G 1 2 AM1 ACC L–B R–Y W–B L–W R–G 5 B J8 JUNCTION CONNECTOR P28 POWER SEAT MOTOR (Driver’ s Seat Rear Vertical Control) G–Y 10 A FDWN 7 A 19 A FUP RCLR 22 A 21 A RCLF LDWN 18 A 17 A LUP SLDR 16 A 15 A 1 M 2 L–B G–R R–L W–B R–G B 2 R–B P29 POWER SEAT MOTOR (Driver’ s Seat Reclining Control) G–R W–B R–G 10 B 2 M 1 P26 POWER SEAT MOTOR (Driver’ s Seat Front Vertical Control) G–B W–B P35 POWER SEAT POSITION SENSOR(Driver’ s Seat Front Vertical Control) RCL– 2 BP1 B–W SLDF 4 8 B–W 21 ID2 B–W 15A ECU–IG 4 2B 14 2D FRONT SLDF R–W 1 B P ow er S eat SLIDE SLDR 3 G IG 2 RUP R–Y UP REAR RCL+ RCLF 1 3 RDWN G–Y FRV– 5 RCLR RECLINING R–L FRONT DOWN REAR VERTICAL P22 POWER SEAT CONTROL SW (Driver’ s Seat) G–R See Multiplex Communication System <10–5> FRV+ 9 FDWN FUP 10 4 FRONT VERTICAL R–B 2 B E DOWN UP REAR G–R R W–B G–B B–R R B 6 BP1 L–W 10 ID2 20 IW1 G–R 12 W–B B G–R W–B B A (Cont. next page) M OVERALL ELECTRICAL WIRING DIAGRAM 20 LX 470 (Cont’ d) P ow er S eat A B 5 7 6 8 1 2G 1 40A POWER 2 14 2N 4 2E R R 13 3A 9 3E R R P23 POWER SEAT CONTROL SW (Front Passenger’ s Seat) R L3 LUMBAR SUPPORT CONTROL SW (Driver’ s Seat) R 12 B 4 B2 FRONT VERTICAL SLIDE REAR VERTICAL RECLINING 3 DOWN UP REAR FRONT DOWN FDWN RCLF RCLR RUP RDWN E 9 10 1 5 3 2 6 W–B 1 M 2 P32 POWER SEAT MOTOR (Front Passenger’ s Seat Rear Vertical Control) 2 G–Y M R–Y 2 1 P33 POWER SEAT MOTOR (Front Passenger’ s Seat Reclining Control) M G–R 1 1 R–L M P31 POWER SEAT MOTOR (Front Passenger’ s Seat Front Vertical Control) 2 G–B R–B P27 POWER SEAT MOTOR (Driver’ s Seat Lumbar Support Control) FUP 4 P34 POWER SEAT MOTOR (Front Passenger’ s Seat Slide Control) L–R L–W M 2 SLDR 8 G 2 BQ1 SLDF R–W L–W 1 BQ1 1 C UP 2 L–R R REAR LR 1 B FRONT LF W–B E2 R 2001 LEXUS LX 470 (EWD427U) 3 BR1 3 BP1 W–B 10 BR1 W–B Front side under the front passenger’ s seat BK M B B–R IF W–B V B 2001 LEXUS LX 470 (EWD427U) V B B Y G–W B1 4 L T10 TILT MOTOR 6 A1 1 P F/B1 A2 1 B2 B2 4 8 B F/B2 F/B2 6 2 B COM2 S5V2 S5V2 3 12 B SIN2 8 11 B SIN2 MPX1 3 A T5 TELESCOPIC MOTOR COM2 5 9 B (Shielded) W–B 140A ALT B 100A J/B NO. 2 W–B 5 W COM1 3 II2 A J1 JUNCTION CONNECTOR A A A2 1 B G TILT DOWN 3 14 II2 A1 7 B R S5V1 4 II2 B1 16 B L TILT UP 8 SIN1 G–Y 7 G–R SG1 15 II2 F/B1 6 B SPD 7 A B–W TELESCO SHORT V–Y MSW G–W 5 II2 COM1 15 B (Shielded) 4 G–R 16 II2 S5V1 13 B Y TELESCO LONG G–Y 17 II2 SIN1 5 B ECUB 1 A B VC V–Y 13 II2 SG1 14 B +B 4 B 2 2B 15A ECU–B V 9 2 II2 MSW 5 A 17 2B 2 40A POWER B–R Set bolt of cowl side J/B LH 1 2B VC 2 A 15A ECU–IG 1 1 2G SG2 7 10 B SG2 MPX2 8 A B–Y BATTERY F7 FUSIBLE LINK BLOCK GND 6 A IG 4 A B–W P 2 T 8 B , T9 A 4 2B 14 2D R TILT AND TELESCOPIC ECU L–B L–W 1 1O A V 80A AM1 NO. 1 20A AM1 NO. 2 A J8 JUNCTION CONNECTOR 4 See Multiplex Communication System <10–5> 1 2 15 1E L–B 3 P ow er T ilt and P ow er Te les copic To Combination Meter<30–4> 3 1 IG1 B–R 1 EG1 IG1 4 ACC 2 B I18 IGNITION SW 2 AM1 1 P ow er S ource 21 LX 470 M OVERALL ELECTRICAL WIRING DIAGRAM W–B (Shielded) (Shielded) C19 TILT AND TELESCOPIC SW [COMB. SW] W–B 22 LX 470 P ow e r S ourc e R emote C ontrol M irror 1 L–W IG1 4 J8 JUNCTION CONNECTOR ACC 3 B B 2 AM1 3 2 B B OPERATION SW R4 A , R5 B REMOTE CONTROL MIRROR SW 9 2B I18 IGNITION SW 8 IC2 E 4 B 5 B B 4 A 2 A 7 IF2 Y 20 IF2 MRV 10 A G 21 IF2 MRH 1 A Y–B 18 IF2 MR GR–G GR–L 17 IF2 E 8 A G–R 5 IF2 9 A Y–R 1 IF2 MLH 3 A R 13 IF1 MLV 13 IF2 15 IF2 32 2P 17 IU1 12 IU1 21 IU1 Y–B GR–G GR–L 45 2P B 2 1 2M BR–B 15 IC2 B SB 14 IU1 BR–R 14 IC2 18 3 5 RCAN HR VR 9 8 VC 7 E1 19 REV 9 15 VDD GND 13 MR 14 MF 8 6 7 MH MV M+ 10 SH See Multiplex Communication System<10–5> GND W–B 15 B–L 9 VDD B–L SV 3 IY2 B–R 16 2 IY2 W SH 11 IY2 Y 10 12 IY2 G M+ MPX1 13 B–L 1 3G R 7 MV MPX2 25 3 IC2 B–R 2 3G L 6 MH B–W 8 2 IC2 GND 14 9 IY2 B–Y MF VSSR 20 W B–W B–Y R–B 14 11 IC2 Y 22 3I 13 2M L MR 10 IY2 12 IC2 G 23 3I 4 IY2 13 15 SB B–W 10 IC2 B–Y B–L B–R W Y–R G–R B–Y SB SB SB 9 IC2 HSRR 21 B–R 4 IC2 B–W M+R 22 W SB MVR 24 Y SB C MHR 23 G D 34 2P 14 2M R–B MIRB BR–B 17 BR–R HSRL VSRL D 35 2P MIRE Y–B M+L 10 D SB 140A ALT F7 FUSIBLE LINK BLOCK 16 16 IC2 J13 JUNCTION CONNECTOR 5 IC2 B–W C MVL 12 B–Y A J13 JUNCTION CONNECTOR SB B B 2 C HL GR–G MHL A 4 13 IC2 GR–L 1 1O J20 JUNCTION CONNECTOR 6 VL 11 1 13 IU1 SB SB 1 1N R30 REMOTE CONTROL MIRROR ECU 1 ACC +B 6 IC2 G–R 2 SB 2 2M Y–R GR 42 2P 1 L–W 80A AM1 NO. 1 E SB R–B SB SB SB SB SB SB SB SB SB SB SB E 31 2P A SB 20A AM1 NO. 2 J19 JUNCTION CONNECTOR MF 2 B L SB 2 IF2 A 20A ECU–B1 2001 LEXUS LX 470 (EWD427U) 1 IC2 GR 15 1E MR W–B 22 2D GR B–R G–R 53 2P B 1 B From Back–Up Light SW [Park/Neutral Position SW] <8–2> 1 IG1 10 1D 15A CIGAR 10A MIRR B–R G–R 20 IW1 SELECT SW 16 SV 3 2P 7 2M BATTERY Set bolt of cowl side J/B LH IF R31 REMOTE CONTROL MIRROR LH R32 REMOTE CONTROL MIRROR RH Set bolt of cowl side J/B LH IF M B IG1 NO. 1 RELAY 80A AM1 NO. 1 EE 3 2 13 1E 4 1 L–B A B 2001 LEXUS LX 470 (EWD427U) ACC RELAY B 140A ALT A A 11 IP1 E B W–B W–B Left rear side quarter panel W–B W–R 50A ACC 20A AM1 NO. 2 EC– EC+ R31 REMOTE CONTROL MIRROR LH 3 2 10 2M 3 2M 10 2A 2 EC+ L–Y W–B BM J32 JUNCTION CONNECTOR P9 POWER OUTLET (Luggage Compartment) 7 2D I22 INNER MIRROR 8 2D 11 2A 3 EC– EC– 3 R32 REMOTE CONTROL MIRROR RH EC+ 2 9 IY1 10 IY1 4 Set bolt of cowl side J/B LH E IF 7 2A 4 W–B IF A A 1 2 G–B 1 2B P4 POWER OUTLET (Front) IG 1 2 2A L–Y Set bolt of cowl side J/B LH W–B J11 JUNCTION CONNECTOR 1 E B 2 9 2N 1 2H L–Y G–B Front left side of fender apron E W–B B B G–R L–Y 1 P5 POWER OUTLET (Rear Console Box) G–R 1 2D 12 2F G–R B 2 20 IP1 W–R 15A PWR OUTLET 5 IG1 J8 JUNCTION CONNECTOR 3 15A GAUGE G–B BATTERY F7 FUSIBLE LINK BLOCK 9 1A IG1 4 B A G–W G–B 2 1 2 I18 IGNITION SW 2 AM1 ACC 3 L–B G–R 1 1O 15 1E B–R 6 IG1 2 A utomatic G lare–R es istant E C M irror w ith C ompass R–L 1 2 4 1 IG1 B–R 1 2 14 1E L–B 1 1F 1 P ow er O utlet B 3 P ow er S ource 23 LX 470 M OVERALL ELECTRICAL WIRING DIAGRAM W–B W–R B J8 JUNCTION CONNECTOR B 24 LX 470 P ow e r S ourc e R ear W indow D efogger and M irror H eater 1 2 P ow er R ear Q uarter W indow B 1 2G 1 2H 83 2P 2 5 2 DEFOG RELAY 3 15 1E 12 1C 20 1E B 3 E E 6 6 OPEN CLOSE CLS OPEN CLOSE OPEN 5 CLS 5 3 Y P R Y–R 2 BS1 8 IY1 OPEN 5 2B LG B R–W 7 IG1 SB 19 3I 18 3I 8 2N 16 2N 3 3F 7 3F 4 BS2 A 1 J20 JUNCTION CONNECTOR M 2 P11 POWER VENT WINDOW MOTOR RH SB W–B W–B A Y 2 1 BL1 Y–R M P10 POWER VENT WINDOW MOTOR LH 2 BL1 SB P R 1 8 BS1 13 IF1 Y 5 BS2 Y–R P 4 BK1 W–B W–B W–B 140A ALT 100A J/B NO. 2 10 3G SB REAR WINDOW DEFOGGER A 10 2L 36 2P 1 B A 1 2B 14 IF2 61 2P R W–B B B A J11 JUNCTION CONNECTOR 12 IF2 R26 A , R27 B 2 F7 FUSIBLE LINK BLOCK W–B 12 1 A W–B 12 5 W–B GND 11 G (*1) 22 D (*2) 5 SB RDFGR SB MRRHR 11 IF2 B 3 I (*1) 8 B (*2) 5 I W–B B 1 A R32 MIRROR HEATER RH [REMOTE CONTROL MIRROR RH] C 8 A , C 9 B , C11 D , 1 1O C26 G , C28 I MIRROR HEATER SW DEFOGGER SW [CENTER ECU] 15A MIR HTR 80A AM1 NO. 1 1 3 IF1 3 BK1 1 R31 MIRROR HEATER LH [REMOTE CONTROL MIRROR LH] 4 R–W IG1 NO. 1 RELAY 4 R–W 2 LG 3 R 3 IG1 NO. 2 RELAY 1 3 B 2 2 2 7 2O 20 2D R 20A AM1 NO. 2 2001 LEXUS LX 470 (EWD427U) 1 MIR HTR RELAY 5 P7 POWER QUARTER WINDOW SW RH 4 14 1E 1 1F 11 2M 3 1 4 R–L P6 POWER QUARTER WINDOW SW LH R–L R R–W B–R B B 4 IF1 R–L 1 7. 5A I/UP L–B 3 J14 JUNCTION CONNECTOR B SB 6 IG1 SB B 15A GAUGE From TAIL Relay<6–2> L–B I18 IGNITION SW 1 IG1 B J8 JUNCTION CONNECTOR L–B A A 1 EG1 * 1 : w/ LEXUS Navigation System * 2 : w/o LEXUS Navigation System 20A DEFOG B IG1 4 18 2D 10 2E DIODE (Idle–Up) 2 AM1 B–R 4 To Engine Control Module<2–7> B R ACC 3 G–W J32 JUNCTION CONNECTOR A 3 2P W–B BATTERY Front left side of fender apron EE Set bolt of cowl side J/B LH IF Set bolt of cowl side J/B RH II BM Left rear side quarter panel IF Set bolt of cowl side J/B LH M 9 IU4 G–R 3 1 EE IG1 NO. 2 RELAY Front left side of fender apron 4 15A GAUGE Rear bank of right cylinder head 6 B 80A AM1 NO. 1 B B G–R B SEAT BELT 100A J/B NO. 2 20A ECU–B1 2001 LEXUS LX 470 (EWD427U) SB G SB B 140A ALT G C11 D , C24 E , C26 G To Door Courtesy SW Front LH<10–5> To Unlock Warning SW <10–20> W–B W–B BR F7 FUSIBLE LINK BLOCK BK Front side under the front passenger’ s seat B6 BUCKLE SW RH BJ J11 JUNCTION CONNECTOR W–B 1 2B Set bolt of cowl side J/B LH M3 MOON ROOF CONTROL SW 3 IF 7 2A W–B 4 W–B Under the driver’ s seat 10 BR1 1 W–B 10 BP1 W–B S13 SEAT BELT WARNING OCCUPANT DETECTION SENSOR G G–W B5 BUCKLE SW LH 1 A 10 5 9 2 3 UP 2 SB DOWN 1 4 M2 MOON ROOF CONTROL ECU R–Y 2 A 8 5 4 IE1 R R–W OPEN EC SB 2 1 1 BR1 3 2 9 2A 5 1 17 2B W–B CLOSE 1 BP1 SB 1 IV1 W–B J23 JUNCTION CONNECTOR A 16 D GND 11 G (*1) 22 D (*2) 80 2P R 1 ID1 A 19 A CENTER ECU 10 IU1 10 A COMBINATION METER I–S/BW 16 E IG 10 E (*1) 1 D (*2) 2 1 1 2G 4 * 1 : w/ LEXUS Navigation System * 2 : w/o LEXUS Navigation System M oon R oof G–Y 8 IX1 16 A 14 A C14 A , C15 B J6 JUNCTION CONNECTOR 20 2B G BATTERY 2 20A AM1 NO. 2 G 1 1O 20A A. C 1 15 A SB 4 3 J14 JUNCTION CONNECTOR 1 L–B 2 C SB 1 1N B–R C SB 3 B SB 2 1 1F L–B 14 1E J26 JUNCTION CONNECTOR 1 2E R–L 2 1 1C D D J3 JUNCTION CONNECTOR See Multiplex Communication System<10–12> 1 B B B D D SB 15 1E 1 2H J8 JUNCTION CONNECTOR L–B 6 IG1 83 2P R–L 3 40A POWER 10 1D B–R R–L A A B SB 1 IG1 IG1 4 ACC SB I18 IGNITION SW 2 AM1 2 K ey R eminder and S eat B elt W arning R–L 20 IW1 SB 1 P ow er S ource B 1 EG1 25 LX 470 7 M OVERALL ELECTRICAL WIRING DIAGRAM W–B R L L POWER RELAY G IG1 NO. 1 RELAY 26 LX 470 P o w er S o urc e C igarette Lighter 1 S eat H eater 3 2 L–W IG1 4 L–B A 4 14 IG2 6 IG1 B–R L–B L–W LO E 3 5 6 HI R–L 13 IK1 3 IK1 R–L B B–R 6 IV1 5 IV1 B–L R–L B–R W–B R–G 80A AM1 NO. 1 8 BP1 HI 3 B–L 11 IK1 16 ID1 7 BP1 1 LO 5 W–B 4 IK1 R–G 15 ID1 2 C12 CIGARETTE LIGHTER 2 LO E 6 W–B B–R R–G 14 IK1 GR 4 20A AM1 NO. 2 1 3 HI HI 15 1E IG NO. 2 RELAY 15A SEAT HTR 8 BR1 7 BR1 1 R–L B–L B–L R–L 2001 LEXUS LX 470 (EWD427U) 2 HI 15A CIGAR 22 2D 14 1E LO L–B 1 IG1 8 1D 4 IG B L–B B–R L–W HI 9 2B L–B S4 SEAT HEATER SW (Front Passenger’ s Seat) IG A I18 IGNITION SW S3 SEAT HEATER SW (Driver’ s Seat) L–W B L–W 2 AM1 12 IK1 J8 JUNCTION CONNECTOR B B ACC 3 4 1 1O W–B B 1 1 2 LO LO HI S15 SEAT HEATER (Front Passenger’ s Seat) S14 SEAT HEATER (Driver’ s Seat) E E 3 3 W–B W–B 140A ALT F7 FUSIBLE LINK BLOCK 2 2 HI W–B W–B 10 BR1 10 BP1 BATTERY Front left side of fender apron Set bolt of cowl side J/B LH IF BJ W–B EE W–B 1 2B Under the driver’ s seat BK Front side under the front passenger’ s seat M B–R B–R 20A AM1 NO. 2 OPT 17 C CHAG 7 C UPDT 1 C DNDT 10 C DT– 11 C C+B 3 C HLED 12 C 16 C CACC 4 B SP– 8 C PWR 2 A ACC T19 A , T20 B , T21 C , T22 D 4 C T–A+ 5 C T–A– 13 C R–A+ TELEPHONE TRANSCEIVER AND SPEAKER RELAY R–A– 14 C R–Y R 80A AM1 NO. 1 2001 LEXUS LX 470 (EWD427U) 20A ECU–B1 B NOSR HSW GND OPT CHAG UPDT DNDT DT– HLED CACC 16 PWR 8 T–A+ 4 T–A– 5 R–A+ 13 R–A– 14 8 II2 22 II2 22 IV3 8 IV3 F7 FUSIBLE LINK BLOCK B 140A ALT PH– W–B BK A A Set bolt of cowl side J/B LH IF 1 2B A A J11 JUNCTION CONNECTOR A W–B Front side under the front passenger’ s seat C20 TELEPHONE MICROPHONE SW [COMB. SW] 1 B PH+ W 2 E 5 A W–B C23 CELLULAR PHONE(Hand Set) C+B 12 R 3 R–Y 11 G–W 10 G–R 1 Y–B 7 W 17 B 6 (*1) 15 G–B 2 16 IP1 6 IP1 15 IP1 5 IP1 13 IP1 3 IP1 R 14 IP1 R–Y 4 IP1 G–W G–Y 17 IP1 G–R R–G 8 IP1 Y–B W–G 7 IP1 W W 18 IP1 B (*1) 19 IP1 (*1) Y 9 IP1 G–B (*1) 12 IP1 PH– 14 D B 2 IP1 17 IZ1 L–B 6 IZ1 G–W 19 IZ1 G–R 18 IZ1 Y–B 14 IZ1 W 4 IZ1 B 15 IZ1 (*1) 5 IZ1 G–B G–Y 7 IZ1 G–Y R–G 21 IZ1 R–G W–G 20 IZ1 W–G W 3 IZ1 W (*1) 1 IZ1 (*1) Y 12 IZ1 Y (*1) 2 IZ1 (*1) 13 IZ1 PH+ 7 D 12 D MIC– 5 D MIC+ 6 D TACC 1 GND W–B BATTERY NOSR 6 C 1 B SP+ B W 1 1 1N HSW 11 D MUTE W–B 2 G–R W 1 1O G–R 15 C B–W GND 4 A SPI– Y–G 2 C 1 A SPI+ 9 IV3 24 IV3 10 IV3 2 MIC– R 23 IV3 4 MIC+ T18 TELEPHONE MICROPHONE R–W 1 G–R 4 D TELI See Radio and Player System<28–4> 5 ACC * 1 : Shielded 4 (*1) 2 B–W O 6 A IG 16 IZ1 O 3 A +B From Center ECU <31–8> 11 IV3 15A ECU–IG Y–G 10 1D 4 2B 14 2D L–B R 3 IR1 A J8 JUNCTION CONNECTOR A 3 R–W 15 1E IG1 4 I18 IGNITION SW 2 AM1 ACC 2 C ellular M obile T elephone (*1) 1 IG1 B–R 1 P ow er S ource 27 LX 470 M OVERALL ELECTRICAL WIRING DIAGRAM J39 JUNCTION CONNECTOR MEMO 2001 LEXUS LX 470 (EWD427U) B–R 20A AM1 NO. 2 2001 LEXUS LX 470 (EWD427U) V (*3) V (*3) P (*3) 2 2 1 L–Y (*2) L–R (*2) V (*4) P (*4) V (*3) 80A AM1 NO. 1 B B V P 140A ALT 1 L–Y (*2) L–R (*2) Y–R (*2) L LG L–Y (*2) LG From Navigation ECU<29–3> V To Navigation ECU<29–3> P P P (*3) To Combination Meter<30–4> F7 FUSIBLE LINK BLOCK 1 T17 TWEETER RH 2 C30 CENTER SPEAKER RH Y–G (*2) Y–G (*2) 1 R19 REAR DOOR SPEAKER LH 2 10 BB1 5 BB1 14 ID1 13 ID1 R F10 FRONT DOOR SPEAKER RH Y–R (*2) 2 2 Y–G (*2) W T16 TWEETER LH 1 Y–R (*2) 14 IV1 13 IV1 B 1 LG Y 2 L 3 IY1 1 IY1 SP– 4 B SPI– 4 A SP+ 1 B SPI+ 1 A RL– 11 A B 4 IY1 2 IY1 MUTE 11 D RL+ 4 A Y C29 CENTER SPEAKER LH G–R (*3) L–Y (*2) LG ACC 2 A RR+ 3 A GR R20 REAR DOOR SPEAKER RH 2 10 BE1 1 10 A RR– GR 5 BE1 GR MUTE 21 B GR(*3) L–Y(*3) R F9 FRONT DOOR SPEAKER LH 1 L–R (*2) L 18 IV1 12 IV1 11 IV1 TMUT 3 B B 17 IV1 MR– 14 B Y W BATTERY L–R (*2) Y–R (*2) 1 IC1 MR+ 1 B ASGD 22 B R 3 IC1 L–Y (*2) Y–G (*2) 2 IC1 FR– 8 A Y–R (*2) 8 IV1 FR+ 1 A Y–G (*2) 7 IV1 N–MU 9 B L– 24 B MUTE 7 A 21 IV3 4 * 3 : w/ LEXUS Navigation System * 4 : w/o LEXUS Navigation System D C B A (Cont. next page) W 4 IC1 ML– 15 B L+ R– STEREO COMPONENT AMPLIFIER 12 B 23 B W 20 IV1 ML+ 2 B S18 A , S19 B R+ 11 B 18 IV3 ANT+ 13 A B 19 IV1 To Navigation ECU<29–4> FL– 9 A GR Y 2 From Navigation ECU<29–4> FL+ G–R +B 16 IV3 5 IV3 17 IV3 6 IV3 P 2 A G–R L–Y 7 A L– 19 A V 1 1O SPD GR (*3) B +B2 L–Y Y 16 A L–Y L–Y 15 IV1 P 13 IG1 B 3 IR1 20A RADIO 17 1E L+ 9 A Y (Shielded) 13 B 20A ECU–B1 10 1D R– 18 A V R+ 8 A RADIO AND PLAYER R34 A , R35 B * 1 : w/ 7 Speaker * 2 : w/ 9 Speaker To Auto Antenna Control Relay <12–4> 1 J8 JUNCTION CONNECTOR GR L–Y +B2 1 A 3 (Shielded) 1 B–R 22 2D 1 1N GR (*3) R adio and P layer B–R O 2 B 9 2B B 15A CIGAR B B O 15 1E IG1 ACC 3 2 L–Y (*3) 1 IG1 1 B I18 IGNITION SW 2 AM1 P ow er S ource 28 LX 470 M OVERALL ELECTRICAL WIRING DIAGRAM TELEPHONE TRANSCEIVER AND SPEAKER RELAY T19 A , T20 B , T22 D L (*1) LG (*1) L From Navigation ECU<29–3> V (*1) L–R (*2) P (*1) V 28 LX 470 (Cont’ d) R adio and P lay er A B 5 GR(*3) * 3 : w/ LEXUS Navigation System * 4 : w/o LEXUS Navigation System 7 6 8 L–Y(*3) R34 A , R35 B RADIO AND PLAYER TXM+ 10 B ACC 11 A GR GR CDL– 7 B CDR+ 1 B CDR– 6 B MUTE 4 B W (*3) (Shielded) W (*3) R (*3) G (*3) 3 C GR L (*3) P (*3) R (*3) 19 IV2 R–W (*3) 8 IV2 (*3) TXD+ S18 A , S19 B (Shielded) 4 B TXD– L (*3) P (*3) 17 B TX– SGD1 NTSC 6 C L (*3) BR 5 C (*3) SG 18 B TX+ 3 A TX1+ M5 A , M7 C R–B R–W GR STEREO COMPONENT AMPLIFIER GND1 13 A GND2 12 A 3 GR TXM+ 8 SG 9 NTSC 6 16 CDL+ CDL– 5 CDR+ 15 14 11 CDR– SGND MUTE 10 +B 1 ACC BR BR D32 DVD AUTOMATIC CHANGER 20 W–B BR 1 BR L–R 4 7 SGND 4 ID1 L–B L–Y L–W 2 3 ID1 TXM– GND L–R 10 ID1 13 4 IV1 L–B L–Y L–W 9 ID1 3 IV1 L–R 10 IV1 L–B L–Y 9 IV1 GR (*3) WF1– 14 A L–Y (*3) WF1+ 5 A L (*3) D WF2– 15 A P (*3) WF2+ 6 A L–W 2001 LEXUS LX 470 (EWD427U) 5 B ACCO 10 A TX1– MULTI–DISPLAY 22 IZ1 20 IV3 GR 20 B P–B (*3) 19 IV3 CDL+ 2 B BR 25 IV3 L–B (*3) GR R–W (*4) TX+ 5 A TX– 15 A R–B (*4) R–B (*3) R–W (*3) C E 20 A TXM– 9 B A J11 JUNCTION CONNECTOR 3 A W–B W5 WOOFER(Speaker) 1 2B Rear side under the front passenger’ s seat BL IF Set bolt of cowl side J/B LH M B–R 1 IG1 B–R B–W 20A AM1 NO. 2 B F7 FUSIBLE LINK BLOCK L–W L–Y From Back–Up Light SW [Park/Neutral Position SW]<8–3> 80A AM1 NO. 1 2001 LEXUS LX 470 (EWD427U) B B (Shielded) 6 B VG 5 B TX1+ P From Front Speaker LH<28–2> V To Combination Meter <30–3> V From Stereo Component Amplifier<28–1> P To Stereo Component Amplifier<28–2> V GR B–W L–Y R–B G–R GR L–Y R–B 140A ALT Front side under the front passenger’ s seat 15 A 10 A 1 A 5 A 11 A 2 A 17 A MUTE AUI– AUI+ SPD AUO– AUO+ GND W–B BK (Shielded) GR B 15A ECU–B 100A J/B NO. 2 IF 1 2B W–B NAVIGATION ECU 10 B TX1– To Front Door Speaker LH <28–1> N2 A , N3 B 1 B VR LG 8 B SYNC W 3 B B R 7 B G L 2 B R From Combination Meter<30–6> 18 A ACC See Radio and Player <28–5><28–6> 9 A +B A A NTSC GND1 3 C 6 D W–B 14 A REV To Data Link Connector 1, 3 <2–10> 25 IV3 To Gateway ECU<10–3> 15 IV1 TX3– TX3+ PKB SGD1 SG 11 A 4 A 13 A 6 C 5 C From Gateway ECU<10–3> 6 BO3 GR 13 IG1 (Shielded) 1 9 IV2 P 20 IV2 SPD TX1– TX1+ TC 5 A 10 A 3 A 14 A To Combination Meter <30–4> 3 25 IZ1 TX+ 5 B TX– 10 B See Radio and Player <28–5><28–6> 2 1 1N J8 JUNCTION CONNECTOR 1 EG1 15A ECU–IG 1 VG 6 B 4 W–B 1 1O 15A CIGAR 23 IZ1 LG 11 IZ1 W 24 IZ1 R G 10 IZ1 G L 9 IZ1 VR 1 B SYNC 8 B (Shielded) 20A RADIO B 3 B L 1 2G G 7 B L 17 1E R 2 B P 2 +B1 1 D V 2 2B ACC IG 4 D 2 D M5 A , M6 B , M7 C , M8 D MULTI–DISPLAY P–B 22 2D 9 2B B B 3 W 4 2B B 2 L E X U S N av igation S ys tem B L–W A A 14 2D L–B L–B R–W 15 1E IG1 4 I18 IGNITION SW 2 AM1 ACC 3 1 P ow er S ource B W–B BATTERY 29 LX 470 Set bolt of cowl side J/B LH J11 JUNCTION CONNECTOR M OVERALL ELECTRICAL WIRING DIAGRAM MEMO 2001 LEXUS LX 470 (EWD427U) 20 C 1 C See Electronically Controlled Transmission and A/T Indicator System<14–7> V (*1) 20 D ECT PWR V J18 JUNCTION CONNECTOR V 1 Y–B Set bolt of cowl side J/B LH Front left side of fender apron 1 B 1 1O 2 15A ECU–B 2001 LEXUS LX 470 (EWD427U) 140A ALT 100A J/B NO. 2 B 3 1 EG1 1 2 B 20A ECU–B1 BATTERY F7 FUSIBLE LINK BLOCK B IG V2 VEHICLE SPEED SENSOR (Combination Meter) EE 1 2 3 10 EB1 9 EB1 4 15 1E 1 1N R–L 80A AM1 NO. 1 30A AM2 1 2G 10 1E 10 1D 26 2P 1 IN1 A 1 1F 1 IG1 2 IG1 W–R BR 1 2 3 14 1E 7 AM2 2 AM1 20 IW1 B R–L R–G 11 EB1 7 IX1 BR A 16 IX1 SB 20 B R–G IG1 NO. 1 RELAY 20A AM1 NO. 2 B–R SB 9 IU4 L–B B 1 P ow e r S ourc e 30 LX 470 6 IG1 IG2 6 ST2 I18 IGNITION SW B–R A L–B IG1 4 ACC SB SB 56 2P B J8 JUNCTION CONNECTOR A SB J17 JUNCTION CONNECTOR R–L L–B F13 FUEL SENDER 1 3 Y–R 2 Y–B 6 BC1 Y–R Y–G 1 BC1 7 2N 6 2N Y–G 5 BC1 SB 11 2N 77 2P SB 76 2P 8 A 9 A G–R 17 IX1 SB SPEEDOMETER G–R EC 1 W2 WATER TEMP. SENDER SB 62 2P 7 A See Key Reminder and Seat Belt Warning System <25–2><25–3> SB L–B G–R Rear bank of right cylinder head A A (Shielded) BR 8 IX1 W 18 IX1 6 B 19 C SB O2 OIL PRESSURE SENDER 2 TACHOMETER W–R From Navigation ECU<29–3> BR 19 A 10 A 16 A 5 B 2 2D R–L 1 2H SB FUEL B–R V (*1) 5 3I 11 3E E E 2 B 1 A B B 83 2P SB VOLT WATER TEMP. B–R From Stereo Component Amplifier <28–1> V OIL 15A GAUGE B SB 15 A SB From Center ECU<31–8> J27 JUNCTION CONNECTOR SEAT BELT FUEL J14 JUNCTION CONNECTOR SB B–R V V 18 IU3 SB E SB From Engine Control Module <2–10> BR 18 C SB 15 IU3 From Park/Neutral Position SW<1–3> 3 C ombination M eter B–R From Tilt and Telescopic ECU<21–4> V SB See Illumination System<7–3><7–4> From Multi–Display <29–3> V 19 B SB 6 IU3 B COMBINATION METER C14 A , C15 B , C16 C , C17 D From Engine Control Module <2–11> O/D OFF 7 B B C SB A SB B–R 2nd STRT 4 * 1 : w/ LEXUS Navigation System (Cont. next page) M OVERALL ELECTRICAL WIRING DIAGRAM (Cont. next page) 30 LX 470 (Cont’ d) C ombination M e ter A B 7 6 B–R 8 SB A B–R D SB SB D See Headlight System <4–8> 10A IGN B–R B–R SB SB 14 D 13 D 16 D 4 B 5 D 3 D 4 D (*3) 15 D OFF 20 A 6 D HI 14 A SB 3 C 3 IU2 N 4 C 4 IU2 SB 5 C 12 2B 55 2P LO 6 C 5 IU2 SB 17 B B–R 6 IU2 SB 16 B (*2) CRUISE A A See VSC System <15–11> See Charging System <1–3> R–W 15 2N 17 C See Electronically Controlled Transmission and A/T Indicator System<14–7> B R–W B To Multi–Display <29–3> R–W B 1 SB To ABS & BA & TRAC & VSC ECU <15–7> R–W B P8 PARKING BRAKE SW R–W J45 JUNCTION CONNECTOR To Daytime Running Light Relay(Main) <4–3> J20 JUNCTION CONNECTOR 6 2P 3 3C 18 B HIGH BEAM E 17 D SB 34 3I See Multiplex Communication System <10–9> 3 B A/T OIL TEMP. E J20 JUNCTION CONNECTOR SB SB E SB 2 D BRAKE 18 D TURN LH 1 D COMBINATION METER TURN RH CHARGE HEAD(*3) TAIL(*2) DOOR L 2 C14 A , C15 B , C16 C , C17 D D N R P A/T P 2001 LEXUS LX 470 (EWD427U) 15 B Y C Y–B J6 JUNCTION CONNECTOR C Y–R See Electronically Controlled Transmission and A/T Indicator System<14–7><14–8> See Taillight System(*2)<6–2> See Illumination System<7–4> SB See Headlight System(*3)<4–8> D From Suspension Control ECU<16–8> See Turn Signal and Hazard Warning Light System<5–3> D J26 JUNCTION CONNECTOR SB J3 JUNCTION CONNECTOR From ABS & BA & TRAC & VSC ECU <15–7> C 5 SB * 2 : Canada * 3 : USA 3 2P Set bolt of cowl side J/B LH IF M A SB 9 12 B 30 LX 470 (Cont’ d) 7 D 2001 LEXUS LX 470 (EWD427U) SB C C 52 2P 19 2E 8 1C MALFUNCTION INDICATOR LAMP See Engine Control System<2–3> 8 1H See Center Differential Lock System <17–2> L–W 7 C See SRS System <13–4> 16 C CENTER DIFF. J26 JUNCTION CONNECTOR J26 JUNCTION CONNECTOR 8 C SB 48 3I SB 37 3I J3 JUNCTION CONNECTOR A SB A A A 10 SRS L–W 2 1J 9 1J W–B EB 12 C Front right side of fender apron 13 C See VSC System <15–10><15–11> WASHER SB SB W–B EA 19 1E 2 A 11 SLIP Front right side of fender apron W1 WASHER LEVEL WARNING SW [WASHER MOTOR] 1 6 W–B 8 D COMBINATION METER C14 A , C15 B , C16 C , C17 D C ombination M eter 11 C 14 C 12 M OVERALL ELECTRICAL WIRING DIAGRAM ACTIVE TRAC VSC OFF VSC TRAC ABS MEMO 2001 LEXUS LX 470 (EWD427U) B–R B–R Front left side of fender apron EE L–R 20A CDS FAN 60A HTR 80A AM1 NO. 1 B B 2001 LEXUS LX 470 (EWD427U) W–B F7 FUSIBLE LINK BLOCK 140A ALT 19 1E Front right side of fender apron E4 EXHAUST GAS SENSOR II 5 3 L–R Set bolt of cowl side J/B RH Y–R W–B W–B EB 1 2 1 3D 4 3C 4 MTR RELAY EA W–B Front right side of fender apron L–R A5 A/C TRIPLE PRESSURE SW (A/C Dual and Single Pressure SW) 9 1J B–R 18 1L W–B BATTERY W–B 15 1L L–B 11 1E 9 1L 9 IG1 L–W 17 1L R–L 7 3A 8 3C R–L ACC 2 D 1 E PSW 10 A (*2) 4 G L–R Y–R R–L L–Y(*1) L–B(*1) CLK 4 E (*1) STX 3 E DGS 12 F (*1) 10 C (*2) 6 E SWD ACC 13 G 16 IG1 L–Y (*1) 14 1L L–W W–B R–L 4 1 L–W 3 A3 A/C CONDENSER FAN RELAY B–Y B–R 1 2 3 22 2D Y–G B–Y R–L B L–B (*1) 1 L 2 4 4 R–L L–R (*1) M 2 2 3 Y A2 A/C CONDENSER FAN MOTOR 1 1 12 1L GR 2 20A AM1 NO. 2 2 19 1L GR 2 R–L 2 1F L–B 1 1L 2 1E 9 2B * 1 : w/ LEXUS Navigation System * 2 : w/o LEXUS Navigation System 4 GR (*1) 4 20 2B R–L 15A CIGAR Y 1 1O IG1 NO. 2 RELAY 1 1 1C R–L 3 1 2E 2 2E B R–L 3 C ondens er Fan and Front A ir C onditioning J I H G F E D C B A (Cont. next page) Y 1 L–B 14 1E B J8 JUNCTION CONNECTOR L 2 A 6 IG1 A B 2 Y 15 1E B L–B L–B 1 IG1 IG1 4 ACC 3 I18 IGNITION SW 2 AM1 1 P ow er S ource B 1 31 LX 470 M OVERALL ELECTRICAL WIRING DIAGRAM L–W C25 F , C26 G , C27 H , C28 I C 8 A , C 9 B , C10 C , C11 D , C24 E , CENTER ECU L–W Y–G 20A A. C 31 LX 470 (Cont’ d) C ondenser F an and F ro nt A ir C onditioning 5 B A * 1 : w/ LEXUS Navigation System * 2 : w/o LEXUS Navigation System 7 6 8 Y–G Y–G Y–G Y–G Y–G Vz 4 Vz 5 5 F 9 F 16 G 17 G 13 F 2 F 8 C 1 C 9 C 6 C TPI TS FrAMH FrAMC FrTP IG+ 2 H 12 H 13 H 10 E 12 G 1 D (*2) FACE 18 H 3 B B/L FOOT F/D 8 H 17 H 16 H 4 B FrS5 5 B 10 B 11 B 13 B 12 B E VER4 VER3 VER2 VER1 8 E 22 G 21 G ACT 8 G AC1 4 I 15 F 16 F 8 F 15 G (*1) 2 B (*2) 6 A FrLAT FrCSD FrCLK FrCID RrMGV 24 A I–SEC 12 E (*1) 13 D (*2) G–R O B J21 JUNCTION CONNECTOR B B G–R G–R To Theft Deterrent ECU <18–4> To Engine Control Module <2–10> To Telephone Transceiver and Speaker Relay<27–2> W–B W–B 9 A 13 A From Engine Control Module<2–10> A TEL IN 14 F B J11 JUNCTION CONNECTOR IGN 9 H Y–B A To Engine Control Module <2–11> W–B A TW 7 G W–G A L–B A Y–R L–R 5 A 19 A 18 A TAM To Combination Meter <30–4> A A W–B R–L W–B (*2) 2 W–B W–B GND SPD V W–B (*2) +B 1 7 F 3 C SG 6 G W–B (*1) M– 3 F 9 B 25 A 12 A 11 A 22 A 23 A 15 B W–B (*1) M+ L–Y(*1) R–L AIF W–B (*2) J SI L–R I W–R H Y–R G L–B(*1) 7 W–B F R–L E – A27 AIR VENT MODE CONTROL SERVO MOTOR M 3 DEF + 6 AIR 1 F CENTER ECU 22 D 5 To Engine Control Module<2–11> FOOT FOOT/ DEF A A 6 D B1 BLOWER MOTOR CONTROLLER Y–R 4 A GND 11 G Y–R B–W 3 J22 JUNCTION CONNECTOR B/L P–L FACE FrBLW 13 I W 2 FrHR 12 I BR–W GR R–L (*1) R–L L–Y (*1) L–B (*1) L–R (*1) L–W (*1) L (*1) L (*1) L–W (*1) 1 DEF 6 H 7 D LG–R FrTR 8 D L FrTE FrSG 9 D G LOCK 18 G 19 G R 2 C 4 IG1 W 10 F 4 C 15 IU1 L–Y 11 F 12 C To A/C Amplifier<32–6> L–Y J45 A JUNCTION CONNECTOR G–R Y–G (*1) MGC L–R(*1) 9 1E B–Y 7 A IG 10 1L 2 L–R 15 H (*1) SWD 2 SB A G–W B–Y 11 I STX 5 16 IU1 LG–B CLK Pt 6 G–R DPD 3 H 7 G–R G–R B–Y P–G BLK 11 H MREC MFRS 3 1 To Rear Cooler Magnetic Valve<32–4> P+ 2 P–B 3 IN1 B GR–B 6 IN1 Y–G (*2) BLK 2 E A1 A/C AMBIENT TEMP. SENSOR L–Y Mcool W–L DPD 1 SB 3 SB Mhot GND A18 A/C SOLAR SENSOR 1 GND C 8 A , C 9 B , C10 C , C11 D , C24 E , C25 F , C26 G , C27 H , C28 I 5 E Y–G Y–G Y–G A19 A/C THERMISTOR 2 6 A25 AIR INLET CONTROL SERVO MOTOR A 14 B +B 2 1 L +B B–Y 1 G 3 1L A 10 IG2 L 11 E 1 1 A26 AIR MIX CONTROL SERVO MOTOR B–Y L G–R (*1) G–R MPX+ 3 2 1D 10 IG1 12 D (*2) MPX– 3 6 1E G–R 2001 LEXUS LX 470 (EWD427U) 10 H 2 MG CLT RELAY 10 1D G–R See Multiplex Communication System<10–4> 1 20 IW1 1 H 5 A4 A/C MAGNETIC CLUTCH AND LOCK SENSOR 2 20A ECU–B1 12 1E 4 IN1 13 1L R7 ROOM TEMP. SENSOR(Front) Y–G 14 1C Y–G 1 1N Y–G Y–G (*1) B–Y Y–G D B–Y Y–G C Y–G R–L Y–G Y–G B 3 IG1 4 1L 1 2B IF Set bolt of cowl side J/B LH M B B B–R EE 80A AM1 NO. 1 B 2001 LEXUS LX 470 (EWD427U) R14 REAR COOLER BLOWER MOTOR R17 REAR COOLER RELAY LG L 100A J/B NO. 2 2 R–L 140A ALT A A J31 JUNCTION CONNECTOR R22 M REAR HEATER BLOWER MOTOR 2 1 L M 1 3 L 1 2 4 L–B L–B 20A A. C Front left side of fender apron LG 7 BM1 30A RR A. C 2 20A AM1 NO. 2 4 6 IR1 LG 2 L–B L–B SB 1 R–L 3 4 IV3 R–L J3 JUNCTION CONNECTOR L–B B R–L B F7 FUSIBLE LINK BLOCK F E D C B A (Cont. next page) L–B R–L L–B R15 REAR COOLER MAGNETIC VALVE W From Center ECU<31–8> R–Y A A SB W SB R–L 1 2 54 3I 21 3E 4 L–B R–Y L–B R–L R–L 1 1O IG1 NO. 2 RELAY 1 26 2P 15A ECU–B 5 2N 6 2D 1 1 BM1 2 BM1 LG–R 2 7 2F 3 RR HTR RELAY A 1 IV3 SB 3 B–R A A R–L 1 1C 10A RR HTR 2 J38 JUNCTION CONNECTOR 14 1E 5 20 2B R–L R–L 15 1E L–B 6 IG1 1 2E R–L 3 LG–R 1 IG1 A 1 2G R–L 12 IV3 LG–R 1 EG1 IG1 4 ACC J8 JUNCTION CONNECTOR L–B A 2 R ear A ir C onditio ning LG–R I18 IGNITION SW 2 AM1 1 P ow e r S ourc e B BATTERY 32 LX 470 M OVERALL ELECTRICAL WIRING DIAGRAM L–B R–Y W 32 LX 470 (Cont’ d) R ear A ir C onditioning A B C 5 R–L 7 6 8 B R8 REAR A/C CONTROL SW L–B B/L–S FOOT–S 12 AUTO–I FACE–S 13 IG 14 9 S5 22 FACE–I T–SET 21 7 LO–I ME–I HI–I 6 5 4 AUTO–S HI–S 3 ME–S LO–S OFF–S 15 16 17 FOOT–I B/L–I 18 19 RG 2 1 SRG 11 10 SG 20 G–Y G–Y G–Y G–W G–W W–R W–G W–G Y–B GR L–Y GR–R G L L L–W L–R L–O Y–R L–R R–L R–Y R–G 2 R33 ROOM TEMP. SENSOR(Rear) G–W B R–L B 2001 LEXUS LX 470 (EWD427U) L–B 1 A33 A , A34 B , A35 C 14 A 1 A HRrh 2 A +B HRrc 13 A 12 B 11 B 10 B FOOT–S IG1 VMrc 3 A BLWrc 4 A CID 18 A LO–I 7 B 18 B 15 B ME–I CLK 20 A HI–I CSD 19 A 9 B VMrh 15 A 2 B 1 B 16 B 17 B AUTO–S BLWrh 16 A 8 B RG FOOT–I TEr 7 A SG1 9 A Y R–Y GR–R 2 BO2 5 BO2 8 BF2 12 BF2 GR–R R–Y Y 4 1 Y–G 2 Y–G 2 GR–R 7 BF2 W–L GR–G Y–G 1 R–Y 6 BF2 Y W–L 13 BF2 R24 REAR INLET AIR TEMP. SENSOR Y–G 4 BM1 TPr 6 A 7 BO2 GR–G 2 S51 5 A 5 3 R9 REAR AIR MIX CONTROL SERVO MOTOR C Y–G C 4 C Y–G J31 JUNCTION CONNECTOR 1 W–B W–B BK 11 BF2 C MHr 12 A 3 BO2 Y–G C C Y–G R23 REAR HEATER POWER TRANSISTOR L–B J38 JUNCTION CONNECTOR 1 Y–G 2 Y–G R–G R–W 3 From Center ECU<31–8> L–B 6 BO2 MCr 11 A 10 BO2 Y–G R–Y L–B Tinr 8 A Y 5 BF2 R21 REAR EVAPORATOR TEMP. SENSOR R–G R–W W (Shielded) 4 BF2 TRr W–L 3 BM1 A/C AMPLIFIER GR–G Y 8 BO2 7 C SG2 Y–G R–G 4 BO2 12 C 13 IV3 A W–B B/L–I R–W W (Shielded) 8 BM1 2 IV3 3 B ME–S LO–S OFF–S LAT 21 A R A 14 IV3 G L A 3 IV3 4 B HI–S FACE–I R (Shielded) 15 IV3 W–B R16 REAR COOLER POWER TRANSISTOR F J39 JUNCTION CONNECTOR 2 W–B E 6 B AUTO–I 1 W D W TSETr GND 22 A R W–L R–Y 4 S52 5 B G R 6 BM1 FACE–S IG2 8 C L W–L 5 BM1 4 C W–B R–Y 10 BM1 3 B/L–S 1 C Front side under the front passenger’ s seat BJ Under the driver’ s seat M