Lexus IS II facelift (2008-2010) combination meter assembly Wiring diagrams

BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COURTESY DCTY GRN WIRE GRN/RED WIRE GRY WIRE GSW LCTY LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT REAR DOOR COURTESY SWITCH (LEFT "C" PILLAR) LOCK LT GRN WIRE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY (CENTER REAR OF LUGGAGE COMPT LID) MPX NETWORK GATEWAY ECU (RIGHT END OF DASH) ORG/ WIRE PCTY RCTY RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT DOOR CONTROL SWITCH ASSEMBLY RIGHT FRONT DOOR COURTESY SWITCH (RIGHT "B" PILLAR) RIGHT MAIN BODY ECU RIGHT REAR DOOR COURTESY SWITCH (RIGHT "C" PILLAR) UN LOCK VIO WIRE WHT WIRE WHT/BLK WIRE

1 2 3 4 5 LGND SGND LRDD LRRD IGB BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CIRCUIT COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CRUISE IND DISTANCE CONTROL ECU (BEHIND LEFT SIDE OF DASH) ENGINE ROOM GRN/RED WIRE GRY WIRE HOT AT ALL TIMES IGB INPUT CIRCUIT J/C JUNCTION JUNCTION CONNECTOR LCD (MULTI) LRDD LRRD LT GRN WIRE MICRO COMPUTER MILLIMETER WAVE RADAR SENSOR (BEHIND CENTER OF FRONT GRILLE) MODE MPX MPX-B FUSE R/B 1 (RIGHT REAR OF ENGINE COMPT) ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) GAUGE FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) SGND SPEEDOMETER STEERING SENSOR (UNDER LEFT SIDE OF DASH) SUPPLY POWER VIO WIRE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER CONSOLE) YEL/GRN WIRE

1 3 2 SIG ES MPX 21 39 36 37 40 23 IG GND MPX AUTO BLK WIRE BLU WIRE BLU/ORG WIRE BRN WIRE CIRCUIT INPUT COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM WINDSHIELD WASHER MOTOR, PUMP ASSEMBLY (WASHER ENGINE ROOM ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FR WIP FUSE FRONT CONTROLLER GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE HEAD HEADLAMP WASHER CIRCUIT HOT AT ALL TIMES HOT IN ON OR START IG+ 12 13 POWER SUPPLY ES J/B 2 (LEFT SIDE OF ENGINE COMPT) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT MAIN BODY ECU LH ECU-IG FUSE LH-IG 2 RELAY LT GRN WIRE MICRO COMPUTER MIST MPX+ MPX- 6 18 MPX-B FUSE OFF ORG/ WIRE OVERHEAD MODULE (CENTER FRONT OF ROOF) PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) (UNDER CENTER CONSOLE) RAIN SENSOR (TOP CENTER OF FRONT WINDSHIELD) RED/BLU WIRE RESERVOIR) RH ECU-IG FUSE RH-IG 1 RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) S/S +2 S/M SWITCH WASH RELAY WASHER WASHER FUSE WHT WIRE WHT/BLK WIRE WIG WINDSHIELD WIPER MOTOR ASSEMBLY (BELOW LOWER LEFT SIDE OF WINDSHIELD) WINDSHIELD WIPER SWITCH ASSEMBLY WIPER SWITCH YEL WIRE

BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COURTESY DCTY GRN WIRE GRN/RED WIRE GRY WIRE GSW LCTY LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT REAR DOOR COURTESY SWITCH (LEFT "C" PILLAR) LOCK LT GRN WIRE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY (CENTER REAR OF LUGGAGE COMPT LID) MPX NETWORK GATEWAY ECU (RIGHT END OF DASH) ORG/ WIRE PCTY RCTY RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT DOOR CONTROL SWITCH ASSEMBLY RIGHT FRONT DOOR COURTESY SWITCH (RIGHT "B" PILLAR) RIGHT MAIN BODY ECU RIGHT REAR DOOR COURTESY SWITCH (RIGHT "C" PILLAR) UN LOCK VIO WIRE WHT WIRE WHT/BLK WIRE

BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE BUCKLE SWITCH CENTER AIR BAG SENSOR (UNDER REAR OF CENTER CONSOLE) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DBE- ENGINE HOOD COURTESY SWITCH ENGINE ROOM J/B 2 ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FRONT CONTROLLER GRN WIRE GRN/RED WIRE GRY WIRE GSW HORN (HIGH) (FRONT OF RADIATOR) HORN (LOW) (FRONT OF RADIATOR) HORN FUSE HORN RELAY HOT AT ALL TIMES LEFT FRONT SEAT INNER BELT ASSEMBLY (UNDER DRIVER'S SEAT) MPX MPX-B FUSE NETWORK GATEWAY ECU (RIGHT END OF DASH) ORG/ WIRE RED WIRE SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE

26 14 BECU DCTY 29 37 38 39 27 28 RCO ASEL RDA RSSI 7 6 5 3 4 2 ANT GND RSSI DATA ASEL AUTO BLK WIRE BLU WIRE BODY ECU RIGHT COWL SIDE J/B (RIGHT END OF DASH) BRN WIRE BZR CERTIFICATION ECU (RIGHT SIDE OF TRUNK) CHK UP DWN CLS CLS OPN COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOME +B DOOR CONTROL RECEIVER 2 (RIGHT REAR CORNER OF TRUNK) DOWN ECU-IG LH FUSE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES INPUT CIRCUIT KUL KUL LEFT FRONT DOOR LOCK ASSEMBLY (REAR OF LEFT FRONT DOOR) LCD (MULTI) LEFT COWL SIDE J/B (LEFT END OF DASH) LT BLU WIRE LT GRN WIRE MASTER IND MICRO COMPUTER MPX MPX+ MPX- MPX-B FUSE NCA WIRE OF ROOF) OPN ORG/ WIRE OVERHEAD MODULE (CENTER FRONT POWER SUPPLY CIRCUIT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY PUSH RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) S/ROOF FUSE SLIDING ROOF CONTROL ECU (CENTER FRONT OF ROOF) SLIDING ROOF SWITCHES VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT) YEL WIRE

+B PGND 1 2 3 4 5 6 7 8 CAN H CAN L 22 23 13 8 9 LRDD LRRD IGB CAN H CAN L 6 18 MPX+ MPX- COMPUTER DATA LINES SYSTEM 8 16 COMPUTER DATA LINES SYSTEM CAN H CAN L BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISTANCE CONTROL ECU (BEHIND LEFT SIDE OF DASH) ECU-IG RH FUSE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B (LEFT END OF DASH) PSB FUSE HOT W/ IG 2 RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) GAUGE FUSE HOT W/ RH-IG 1 RELAY ENERGIZED INPUT CIRCUIT JUNCTION CONNECTOR LEFT FRONT PRE-COLLISION SEAT BELT MOTOR (BASE OF LEFT "B" PILLAR) LT BLU WIRE LT GRN WIRE MICRO COMPUTER MILLIMETER WAVE RADAR SENSOR (BEHIND CENTER OF FRONT GRILLE) MOR- MOR+ MOL+ MOL- ORG/ WIRE PCS IND PNK COMPUTER DATA LINES SYSTEM WIRE PNK IGB LRRD LRDD WIRE POWER SUPPLY CIRCUIT RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT PRE-COLLISION SEAT BELT MOTOR (BASE OF RIGHT "B" PILLAR) SEAT BELT CONTROL ECU (LEFT SIDE OF TRUNK) SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) WHT WIRE WHT/BLK WIRE

1 2 3 4 CV- CV+ CGND CB+ 13 14 27 28 CA+ CGND V+ V- 13 14 CANL CANH 18 27 34 VC NE+ NE- ENGINE CONTROLS SYSTEM 23 19 13 14 PKB SEUC REV SPD 6 21 17 18 4 13 3 12 GTX+ GTX- NAVIGATION CIRCUIT BACK BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (ECM) GRN WIRE GRY WIRE HOT AT ALL TIMES IG BKUP IND INPUT CIRCUIT LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT MAIN BODY ECU LH-IG 1 RELAY LH-IG FUSE LT BLU WIRE LT GRN WIRE MICRO COMPUTER MPX MULTI-DISPLAY (W/ NAVIGATION) NCA WIRE NETWORK GATEWAY ECU (RIGHT END OF DASH) ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH ASSEMBLY (TRANSMISSION ASSEMBLY) PARKING BRAKE SWITCH PNK +S WIRE PNK PNK WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) SPEEDOMETER STEREO COMPONENT AMPLIFIER (RIGHT REAR OF TRUNK) TELEVISION CAMERA ASSEMBLY (REAR OF TRUNK LID) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

ACCELERATOR POSITION SENSOR (TOP OF ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOME +B IG 2 POWER SUPPLY CIRCUIT GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE HOT IN ON OR START LEFT COWL SIDE J/B (LEFT END LH-IG FUSE OF DASH) INPUT LCD CIRCUIT (MULTI) LCD (SHIFT POSITION) MASTER IND MICRO COMPUTER ORG/ WIRE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) SNOW IND SPORT IND STARTING/ CHARGING SYSTEM THROTTLE BODY ASSEMBLY (TOP OF ENGINE) WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOME +B EFI 2 FUSE F/PMP RELAY GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START RIGHT COWL SIDE J/B (RIGHT END OF DASH) IG 2 IGN FUSE INPUT CIRCUIT INSTRUMENT CLUSTER SYSTEM LCD (ENGINE OIL TEMPERATURE VOLT) LCD (MULTI) LT BLU WIRE LT GRN WIRE MASTER IND MICRO COMPUTER MIL IND ORG/ WIRE PNK WIRE PNK/BLU WIRE POWER SUPPLY CIRCUIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SNOW IND SPORT IND STOP LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) STOP SW FUSE TRANSMISSION CONTROL ECU (LEFT SIDE OF (LEFT SIDE OF ENGINE COMPT) ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE