Lexus GS III facelift (2007-2011) yel Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 LCN+ CANH CANL PIG PGND 1 2 3 4 LCN+ CANH CANL PIG 1 2 3 WW VV UU 1 2 DDPB DDLI 5 6 7 8 9 10 11 PGND MRH BT+ LCN- IG DDON MRL 8 7 6 5 4 3 2 1 BT- DDON BLK WIRE BLK/BLU WIRE BLU WIRE BLU/YEL WIRE BRN WIRE BSV BST BSC BSG BT+ COMPUTER DATA LINES SYSTEM DDGN DDIR ECU-IG RH FUSE ENGINE COMPT) ENGINE ROOM R/B 2 (LEFT SIDE OF FRONT STABILIZER CONTROL ACTUATOR ASSEMBLY (RIGHT FRONT CORNER OF ENGINE COMPT) FRONT STABILIZER CONTROL ECU (RIGHT FRONT CORNER OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGCT ILIN LCN- IG SIL MRL LT BLU WIRE LUGGAGE ROOM R/B 6 (RIGHT REAR CORNER OF LUGGAGE COMPT) ORG/ WIRE REAR STABILIZER CONTROL ACTUATOR ASSEMBLY (RIGHT SIDE OF LUGGAGE COMPT) REAR STABILIZER CONTROL ECU (RIGHT SIDE OF LUGGAGE COMPT) RED WIRE RED/WHT WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND SG SHG SR BSV BST BSC SV HA HB HC SG SHG BSG SR SV HA HB HC SG STB DC/DC FUSE STB FR FUSE STB FR RELAY STB RR FUSE STB RR RELAY STB-AM FUSE SV HA HB HC VIO WIRE WHT WIRE WHT/BLK WIRE WW UU VV WW VV UU YEL WIRE YEL/GRN WIRE

+RES MODE 1 2 3 4 5 LGND SGND LRDD LRRD IGB BLK WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE CAIL CANH CANL SGND CCS ECC COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH DISTANCE CONTROL ECU (BEHIND LEFT END OF DASH) ECU-IG LH FUSE GND IGB GRN WIRE GRN/WHT WIRE GRY WIRE HOT IN ON OR START LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LRDD LRRD LT GRN WIRE LUGGAGE ROOM J/B ECU MODE ON OFF ORG/ WIRE PNK CANC LKSW WIRE PNK WIRE R/N LKS DIST RED WIRE RED/BLK WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) SPIRAL CABLE (IN STEERING COLUMN) VIO WIRE WHT WIRE YEL WIRE

21 46 23 20 18 104 70 112 86 52 53 1 32 26 54 78 63 42 43 44 45 MREL 25 5 COMPUTER DATA LINES SYSTEM 53 54 55 3 2 7 6 5 22 21 1 111 88 65 110 87 64 17 4 TOPM ACCELERATOR POSITION SENSOR (UNDER LEFT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE IND DOME FUSE MPX-B FUSE ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (IN TRANSMISSION) ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) HOT IN ON OR START HYBRID SNOW IND HYBRID VEHICLE CONTROL ECU (LEFT SIDE OF ENGINE COMPT) IGCT 1 FUSE IGCT RELAY LT BLU WIRE LT GRN WIRE MASTER IND MULTI-INFORMATION DISPLAY ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PMET TC CANL CANH CAN- CAN+ PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) SP VPA SPEEDO- METER STP IGSW GI NEI LGND CCHG CCS THO VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+BM 7 1 3 8 13 20 21 22 23 24 28 29 12 BATT BATT M- M+ VTA BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM EFI FUSE EFI MAIN RELAY ENGINE CONTROL MODULE ENGINE ROOM ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) ETCS FUSE R/B 2 (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT W/ LH-IG 1 RELAY ENERGIZED JUNCTION JUNCTION CONNECTOR LEFT COWL SIDE J/B LH-IG FUSE (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MREL IGSW STP EPA NCA WIRE ORG/ WIRE PNK VCPA SPD WIRE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RIGHT COWL SIDE J/B (AT RIGHT KICK PANEL) SFTD SFTU CAN- CAN+ STOP LAMP SWITCH (ON BREAK PEDEL BRACKET) THROTTLE BODY ASSEMBLY (TOP OF ENGINE) VCAT ETA VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE CIRCUIT COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CRUISE IND GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES ENGINE ROOM MPX-B FUSE R/B 1 (RIGHT REAR OF ENGINE COMPT) HOT AT ALL TIMES RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) STOP SW FUSE HOT W/ RH-IG 1 RELAY ENERGIZED IGN FUSE INPUT CIRCUIT J/C JUNCTION LCD (MULTI) LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MICRO COMPUTER MPX ON OFF ORG/ WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (ON TRANSMISSION) PNK WIRE POWER SUPPLY RED WIRE RED/BLK WIRE RELAY ENERGIZED RELAY ENERGIZED RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) GAUGE FUSE RH-IG FUSE RIGHT CENTER J/B (BEHIND RIGHT RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SIDE OF DASH) SPEEDOMETER SPIRAL CABLE TRANSMISSION CONTROL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+B CAN+ CAN- 15 29 11 27 FL+ FL- RR+ RR- 23 3 11 10 20 5 21 13 STP 24 7 1 20 21 10 3 16 17 25 26 14 4 5 6 12 13 SL SLT- SLT+ NTO NTB 28 15 3 11 FR- FR+ RL- RL+ PNK WIRE BLK WIRE BLK/RED WIRE BLU WIRE BLU/RED WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (IN TRANSMISSION) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/YEL WIRE JUNCTION CONNECTOR NTO NTB SLT+ SLT- SL OIL ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE SKID CONTROL ECU (LEFT REAR OF ENGINE COMP) SLU+ SLU- SLU+ TRANSMISSION CONTROL ECU (LEFT FFRONT OF ENGINE COMPT) VIO WIRE VIO/YEL WIRE WHT WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TRQV RZV RZCS RZSN 1 2 3 4 5 6 7 8 9 10 11 CAN+ CANH CANL PIG PGND 16 10 (4.6L) (3.5L) 17 2 (4.6L) (3.5L) 24 25 CANL CANH 5 25 MPX- MPX+ 9 10 CANL CANH BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CAN- IG SIL RLY COMBINATION METER COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) ECU-B FUSE ECU-IG LH FUSE ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 1, ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) EPS FUSE EPS RELAY GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INCS INSN INSN INCS OUSN OUCS LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OUCS OUSN POWER STEERING ECU (RIGHT REAR CORNER OF ENGINE COMPT) POWER STEERING MOTOR (FRONT OF ENGINE COMPT) POWER STEERING TORQUE SENSOR (LEFT FRONT OF ENGINE COMPT) PS (+) RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RZCS RZG RZSN RZV SIL SKID CONTROL ECU (3.5L) (LEFT REAR OF ENGINE COMPT) SKID CONTROL ECU (4.6L) (LEFT REAR OF ENGINE COMPT) SRZG STEERING SENSOR (BEHIND LEFT OF DASH, NEAR STEERING COLUMN) VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 TX- TX+ 10 9 TX- TX+ 6 4 3 8 9 1 BDR CPUB SIG 8 9 PNK WIRE 9 10 TXM+ TXM- BLK/RED WIRE BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK WIRE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FR DOOR LH FUSE FR DOOR RH FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRN/RED WIRE GRY WIRE GTX+ GTX- HOT AT ALL TIMES LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT FRONT DOOR ECU (IN DRIVER'S DOOR) LEFT OUTER REAR VIEW MIRROR (FRONT OF LEFT FRONT DOOR) LEFT REAR DOOR ECU (IN LEFT REAR DOOR LH-IG FUSE LT BLU WIRE LT GRN WIRE MIRROR HEATER MPX-B FUSE MULTI-DISPLAY PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RADIO RECEIVER ASSEMBLY REAR WINDOW DEFOGGER SWITCH RELAY RH-IG FUSE RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RIGHT FRONT DOOR ECU (IN RIGHT FRONT DOOR) RIGHT OUTER REAR VIEW MIRROR (FRONT OF RIGHT FRONT DOOR) RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 +BO 1 2 3 4 5 6 7 8 9 10 IG ESS BAT 1 2 3 4 5 6 7 8 BMV BMU BMW 8 7 SS- SS+ AFS+ IG CAN+ AFS- BLK WIRE BLK/YEL WIRE BLU WIRE BMU+ BMV+ BMW+ BRN WIRE CANL CANH COMBINATION METER COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) ECU-B FUSE ECU-IG LH FUSE ENGINE ROOM J/B 1, ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRY WIRE HEADLAMP SWIVEL ECU (UNDER LEFT END OF DASH) HOT AT ALL TIMES HOT IN ON OR START LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LG+ LT BLU WIRE LT GRN WIRE LV (+) MPX NCA WIRE PGND PIG CAN- +BI RED WIRE RG+ RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RV SIL RV+ SIDE OF DASH) SIL SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) STEERING ACTUATOR (BEHIND LEFT SIDE OF DASH, NEAR STEERING COLUMN) STEERING CONTROL ECU (UNDER GLOVE COMPARTMENT) STEERING SENSOR (BEHIND LEFT OF DASH, NEAR STEERING COLUMN) VGRS FUSE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 TX- TX+ 10 9 TX- TX+ 24 25 CANL CANH 9 10 TXM+ TXM- BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAIL CAIH GTX+ GTX- COMPUTER DATA LINES SYSTEM DEFOG FUSE DEFOG RELAY ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH-IG FUSE LT BLU WIRE LT GRN WIRE MULTI-DISPLAY NOISE FILTER POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RADIO RECEIVER ASSEMBLY RDEF REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER SWITCH RELAY RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE