Lexus GS III facelift (2007-2011) computer data lines system 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

3.5L 4.6L BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FLO FRO FRONT HEIGHT CONTROL SENSOR (NEAR LEFT FRONT SHOCK TOWER) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE H-LP LVL FUSE HEADLAMP LEVELING MOTOR HEADLAMP SWIVEL ECU (UNDER LEFT END OF DASH) HEADLAMP SWIVEL MOTOR HOT IN ON OR START LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT HEADLAMP ASSEMBLY LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE MOTOR ORG/ WIRE PNK WIRE PNK/GRN WIRE REAR HEIGHT CONTROL SENSOR (UNDER LEFT REAR OF VEHICLE) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT HEADLAMP ASSEMBLY SENSOR SGF SMGR SMGL SGR SHB SHFL SHG SHRL SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) SKID CONTROL ECU (W/ ACTUATOR) (LEFT REAR OF ENGINE COMPT) SMBL SMBR SMBR SMBL SMR SML SMGL SMGR SML SMR SPDL SPDR SS+ SS- SHRL SBR VIO WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

4 6 7 HEAD AFS AFS OFF IND BLU WIRE BLU/WHT WIRE BODY ECU BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DIMMER SWITCH DOME FUSE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRY WIRE HEAD HEAD AUTO HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT IN ON OR START RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) GAUGE FUSE IG+ MPX- MPX+ LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MASTER IND MPX-B FUSE MULTI-INFORMATION DISPLAY OFF TAIL ORG/ WIRE PNK WIRE RED WIRE RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) STEERING CONTROL ECU (UNDER GLOVE COMPT) STEERING SENSOR (BEHIND LEFT SIDE OF DASH, NEAR STEERING COLUMN) VIO WIRE W/ VGRS SYSTEM W/O VGRS SYSTEM WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

5 25 COMPUTER DATA LINES SYSTEM MPX- MPX+ ABSORBER CONTROL ECU (BEHIND RIGHT END OF DASH) ABSORBER CONTROL SWITCH ABSORBER SPORT IND AIR SUS FUSE BLK WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE CANL CANH COMBINATION METER COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FAL+ FBL- FRONT ACCELERATION SENSOR (BEHIND LEFT SIDE OF DASH) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START LEFT FRONT ABSORBER CONTROL ACTUATOR (AT LEFT FRONT SHOCK TOWER) LEFT REAR ABSORBER CONTROL ACTUATOR (AT LEFT REAR SHOCK TOWER) LT BLU WIRE LT GRN WIRE MAX-B FUSE ORG/ WIRE PNK IG WIRE PNK WIRE PNK/BLU WIRE RAR+ RAR- RBR+ RBR- RAL+ RAL- RBL+ RBL- REAR ACCELERATION SENSOR (RIGHT REAR OF LUGGAGE COMPT) RED WIRE RED/BLU WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RIGHT FRONT ABSORBER CONTROL ACTUATOR (AT RIGHT FRONT SHOCK TOWER) RIGHT REAR ABSORBER CONTROL ACTUATOR (AT RIGHT REAR SHOCK TOWER) SGB SGFL SGG SGND SGRR SGV SIL VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+IG 2 4 PNK WIRE 4 6 7 5 HEAD COMPUTER DATA LINES SYSTEM BLK WIRE BLU WIRE BLU/WHT WIRE BODY ECU HRLY BRN WIRE CLTB CLTE CLTS COMBINATION METER COMPUTER DATA LINES SYSTEM COWL SIDE DCTY DIMMER SWITCH DOME FUSE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FOG SWITCH HEADLAMP DIMMER SWITCH ASSEMBLY FRONT FOG IND BEAM IND FUSE GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE HEAD AUTO HEAD CLTB CLTS HEAD IND HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM MPX-B R/B 1 FUSE (RIGHT REAR OF ENGINE COMPT) HOT IN ON HOT IN ON OR ACC OR START HOT IN ON OR START IG BATB IND J/B RIGHT LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) TO FRONT CONTROLLER (DIAGRAM LEFT FRONT DOOR COURTESY SWITCH LIGHT CONTROL SWITCH LOW HIGH FLASH HF LOW HIGH FLASH HU LOW HL HIGH FLASH LT BLU WIRE LT GRN WIRE MASTER IND MPX+ MPX- MULTI-INFORMATION DISPLAY OF DASH) OFF OFF TAIL ORG/ WIRE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PNK WIRE REAR FOG RED WIRE RH ECU-IG FUSE RH FR FR DOOR FUSE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RR FR TELLTALE LAMP ASSEMBLY USA VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE YEL/BLK WIRE

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 2, ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1, ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) FR FOG FUSE FR FOG RELAY FROM MPX-B FUSE (DIAGRAM 1 OF 3) FRONT CONTROLLER GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE H-LP UPR FUSE HEAD LP RELAY HOT AT ALL TIMES HOT IN ON OR START L LWR H-LP FUSE LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT FRONT FOG LAMP LEFT HEADLAMP ASSEMBLY LH ECU-IG FUSE LIGHT CONTROL ECU LIGHT LOW CONTROL (HID) ECU LOW (HID) MAIN FUSE R LWR H-LP FUSE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RH J/B-AM (4.6L) RR J/B (3.5L) FUSE RIGHT FRONT FOG LAMP RIGHT HEADLAMP ASSEMBLY WHT/BLK WIRE YEL WIRE

4 6 7 HEAD 8 14 HRLY BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BODY ECU BRN WIRE BRN/WHT WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DIMMER SWITCH DOME FUSE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE H-LP LVL FUSE WNG ALTL HEAD HEAD AUTO HEADLAMP BEAM LEVEL CONTROL ACTUATOR HEADLAMP BEAM LEVEL CONTROL ECU (UNDER LEFT END OF DASH) HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) GAUGE FUSE IG+ MPX- MPX+ LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT HEADLAMP ASSEMBLY LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MASTER IND MPX-B FUSE MULTI-INFORMATION DISPLAY OFF TAIL ORG/ WIRE PNK WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RIGHT HEADLAMP ASSEMBLY SGF SGR SHFL SHRL SBF SBR SHB SHFL SHG SHRL SPDL SPDR VIO WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY WNG YEL WIRE YEL/RED 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

21 22 23 24 25 26 27 28 29 30 31 PPMP VCPP EPPM CANL CANH TAM ETAM ACCELERATOR POSITION SENSOR (UNDER LEFT SIDE OF DASH) AIR CONDITIONING SYSTEM BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE C/OPN RELAY COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CTSW DEFOGGER SYSTEM EFI 2 RELAY EFI FUSE EFI MAIN RELAY EFII EFIO ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) F/PMP FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES IREL ACMG VPMP RDEF LGND RFC ACCR STA MREL FC FPR LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PNK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SFTD SFTU CCS SKSW SPD KSW STSW STSW CCHG TACH TC STP MPMP IMI IMO VIO WIRE VIO/RED WIRE VIO/WHT WIRE VPA EPA VCPA WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BODY ECU BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DOME FUSE ECT PWR IND EFI ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE COMPT) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) LCD LT BLU WIRE LT GRN WIRE MALFUNCTION IND MASTER IND MPX MPX-B FUSE MULTI-INFORMATION DISPLAY NCA WIRE PNK WIRE PNK/BLU WIRE PWR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT KICK PANEL J/B (BEHIND RIGHT SIDE OF DASH) SNOW SNOW IND ECT SPEEDOMETER TACHOMETER VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE