Lexus GS IV (2011-2015) computer data lines system Wiring diagrams

ASSEMBLY BLK WIRE BSF CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE COMPT) ENGINE ROOM R/B 2 (LEFT SIDE OF GAUGE FUSE LED DRIVER LT GRN WIRE RED WIRE RELAY ENERGIZED RH-IG FUSE RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) SLC+ SLC+ CANH SOLENOID (TRANSFER TRANSMISSION WIRE) (REAR OF TRANSMISSION) TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE

11 12 CANN CANP 13 12 24 STP 2 1 PNK PNK +B WIRE A/T SHIFT POSITION INDICATOR (SHIFTING HOLE FRAME SUB-ASSEMBLY) BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) EFI FUSE EFI- MAIN 1 RELAY ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) GNDA (-) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) INTEGRATION RELAY LT BLU WIRE NT- NT+ P/I-B 1 FUSE PNK WIRE RED WIRE TRANSMISSION REVOLUTION SENSOR (COUNTER GEAR) (TRANSMISSION) TRANSMISSION REVOLUTION SENSOR (TURBINE) (TRANSMISSION) WHT WIRE WHT/BLK WIRE YEL WIRE

+S SI 14 25 11 CANL CANH BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR CORNER OF ENGINE COMPT) CAN I/F SPEAKER COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ES IG+ FUSE GAUGE FUSE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LED DRIVER LT BLU WIRE LT GRN WIRE MULTI- FUNCTION INDICATOR LAMP RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) STOP FUSE STOP LIGHT SWITCH (BRAKE PEDAL BRACKET) TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

2 3 4 5 SLU- SLU+ SLT- SLT+ BLK WIRE BLU WIRE BRN WIRE COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) ECO ECOS ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (TRANSMISSION) GRN WIRE GRY WIRE LT BLU WIRE LT GRN WIRE NORMAL OIL ORG/ WIRE PNK 23 22 25 PWR SNWI SPCN WIRE PNK SPSW WIRE PNK WIRE RED WIRE SFTU SFTD SR SLT- SLU+ SNOW SPORT SWITCH VIO WIRE W/ ADAPTIVE VARIABLE SUSPENSION W/O ADAPTIVE VARIABLE SUSPENSION WHT WIRE WHT/BLK WIRE YEL WIRE

13 14 CANL CANH 31 32 30 ALTB IG BECU 7 10 6 11 9 12 +B +5 CSEL ASEL DATA GND 7 12 CSWE 9 10 3 5 8 CANP CANN ASEL BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT END OF DASH) CLUTCH COMPUTER DATA LINES SYSTEM CPS+ CPSE CSEL CSG CSV PAWL SWG ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ LEFT COWL SIDE J/B (LEFT END OF DASH) LH J/B-B FUSE LH-IG FUSE LT BLU WIRE LUGGAGE CLOSER MOTOR ASSEMBLY (LEFT FRONT OF LUGGAGE COMPT) LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY (CENTER REAR OF LUGGAGE COMPT LID) LUGGAGE DOOR OPENING CANCEL LUGGAGE DOOR OPENING SWITCH ASSEMBLY LUGGAGE ELECTRICAL KEY SWITCH LUGGAGE ROOM J/B 1 (LEFT SIDE OF LUGGAGE COMPT) MAIN BODY ECU (LEFT END OF DASH) MONITORING SYSTEM RECEIVER ASSEMBLY) MPX-B FUSE OF DASH) ORG/ WIRE PAWL HAWL CLS FSW PNK ECUB GND WIRE PNK WIRE POWER TRUNK LID CLOSE SWITCH DOOR CONTROL SWITCH PTL FUSE RDAM RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END RLY 1 RELAY ENERGIZED RR ECU-IG FUSE RR J/B-B FUSE SWITCH ASSEMBLY TMSW TSW WHT WIRE WHT/BLK WIRE YEL WIRE

23 15 LBE- LBE+ 3 4 1 6 5 GND FSR- FSR+ IG +B 9 17 FSR+ FSR- AIR BAG SENSOR ASSEMBLY BLK WIRE BLU WIRE CAN I/F CANL CANH COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE HEAD HEAD OFF AUTO TAIL HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT AT ALL TIMES LEFT COWL SIDE J/B (LEFT END OF DASH) LH J/B-B FUSE LED DRIVER LEFT FRONT DOOR COURTESY LIGHT SWITCH (LEFT "B" PILLAR) LEFT REAR WEIGHT DETECTION SENSOR LH-IG FUSE LIGHT CONTROL SWITCH LT GRN WIRE MAIN BODY ECU MPX-B FUSE OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) ODS FUSE OFF AUTO TAIL PNK WIRE RED WIRE RELAY ENERGIZED RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END AIR BAG FUSE OF DASH) RIGHT FRONT SEAT INNER BELT (UNDER FRONT PASSENGER'S SEAT) RIGHT REAR WEIGHT DETECTION SENSOR SPEAKER TAIL TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

-SR -SL +SR +SL ABFS AIR BAG FUSE AIR BAG SENSOR ASSEMBLY (UNDER REAR OF CENTER FLOOR CONSOLE) BBL+ BCL+ BDL- BLK WIRE BLU WIRE BUCKLE SWITCH CANL PAON COMPUTER DATA LINES SYSTEM DK DK GRN WIRE GSW LBE+ LSP+ BBL+ BBL- LBE- LSP- LEFT COWL SIDE J/B (LEFT END OF DASH) MAIN BODY ECU LEFT CURTAIN SHIELD AIR BAG ASSEMBLY (NEAR TOP OF LEFT "B" PILLAR) LEFT FRONT SEAT AIR BAG ASSEMBLY LEFT FRONT SEAT INNER BELT (UNDER DRIVER'S SEAT) LEFT REAR AIR BAG SENSOR (UNDER LEFT REAR SEAT) LEFT REAR SIDE AIR BAG SQUIB (OUTER SIDE OF LEFT REAR SEAT) LEFT SIDE AIR BAG SENSOR (IN LEFT "B" PILLAR) P- P+ D+ D- P-AB GSW PK+ PK- PNK WIRE RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) SEAT POSITION AIR BAG SENSOR SFL- SRL- WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

13 26 CANH CANL AIR BAG SENSOR ASSEMBLY (UNDER REAR OF CENTER FLOOR CONSOLE) BBR+ BCR+ BDR BLK WIRE BLU WIRE BUCKLE SWITCH CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FSR+ DIA GND FSR- +B IG GAUGE FUSE HOT AT ALL TIMES ICR+ JUNCTION LED DRIVER LEFT REAR WEIGHT DETECTION SENSOR OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) ODS FUSE PASSIVE RESTRAINTS SYSTEM PR- PRR- RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT SEAT INNER BELT (UNDER FRONT PASSENGER'S SEAT) RIGHT REAR AIR BAG SENSOR (UNDER RIGHT REAR SEAT) RIGHT REAR WEIGHT DETECTION SENSOR RIGHT SIDE AIR BAG SENSOR (IN RIGHT "B" PILLAR) RIGHT SIDE DOOR AIR BAG SENSOR (IN RIGHT FRONT DOOR) SFR- SRR+ TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 IG 1 2 3 4 5 FR+ FR- RR+ RR- GND 13 14 4 16 CANL CANH PRG RDA 2 1 F OT F IN 2 1 R OT R IN PNK WIRE 32 31 30 11 IG ALTB BECU 6 7 8 SIL ANTENNA ANTENNA AMPLIFIER ASSEMBLY (RIGHT "C" PILLAR) BLK WIRE BLU WIRE CAN I/F CERTIFICATION ECU (RIGHT END OF DASH) CLSW RDA PRG CSEL +B ALSI DATA +5 ASEL COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DRIVER TIRE PRESSURE MONITOR INITIATOR (W/ AUTO LOCATION) (RIGHT END OF DASH) ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RH-IG FUSE ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FRONT TIRE PRESSURE MONITOR INITIATOR (LEFT FRONT WHEELWELL) FUSE GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES LED DRIVER LEFT COWL SIDE J/B (LEFT END OF DASH) LH J/B-B LH-IG FUSE LT GRN WIRE LUGGAGE ROOM J/B 1 (LEFT SIDE OF LUGGAGE COMPT) MAIN BODY ECU (LEFT END OF DASH) MPX-B FUSE NCA WIRE PNK 51 64 63 65 WIRE PNK 7 6 15 16 CSEL RDAM RCO ASEL WIRE PNK WIRE REAR TIRE PRESSURE MONITOR INITIATOR (LEFT SIDE OF LUGGAGE COMPT) RED WIRE RELAY ENERGIZED RR J/B-B FUSE TELLTALES TIRE PRESSURE WARNING RESET SWITCH (TIRE PRESSURE WARNING SWITCH 1) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

22 24 16 LSWE KUL KL 3 7 8 1 SIG CANN CANP GND 7 32 11 10 30 6 ACTG IG 9 10 3 5 8 CANP CANN ACTD BECU TR+ BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM D DOOR UNLOCK RELAY D/L 1 FUSE D/L 2 FUSE ENGINE ROOM FLLK (UNDER CENTER CONSOLE) FUEL LID LOCK W/ MOTOR ASSEMBLY (LEFT SIDE OF LUGGAGE COMPT) FUEL OPN RELAY GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES LUGGAGE ROOM J/B 1 (LEFT SIDE OF LUGGAGE COMPT) TRK OPN FUSE LEFT FRONT DOOR LOCK ASSEMBLY (REAR OF LEFT FRONT DOOR) LEFT FRONT MULTIPLEX NETWORK DOOR ECU (IN LEFT FRONT DOOR) LH J/B-B FUSE LOCK LOCK UN- LT BLU WIRE LT GRN WIRE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY (CENTER REAR OF LUGGAGE COMPT LID) LUGGAGE DOOR OPENING CANCEL LUGGAGE DOOR OPENING SWITCH ASSEMBLY LUGGAGE ELECTRICAL KEY SWITCH MAIN BODY ECU (LEFT END OF DASH) MPX-B FUSE ECU-B FUSE R/B 1 (LEFT SIDE OF ENGINE COMPT) PNK 19 13 14 LGCY CANL CANH WIRE PNK PNK WIRE PNK WIRE POWER CHANGE RELAY RED WIRE RELAY ENERGIZED LEFT COWL SIDE J/B LH-IG FUSE (LEFT END OF DASH) RIGHT COWL SIDE J/B (RIGHT END OF DASH) SWITCH ASSEMBLY TMSW TSW TRK OPN RELAY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE