Lexus IS II facelift 2 (2010-2016) mpx Wiring diagrams

1 3 9 10 2 IG BAT CANL CANH ESS 4 3 2 1 IG CANH CANL GND PNK WIRE 5 6 SPDL SPDR ABS IND. BLK WIRE BLU WIRE BLU/WHT WIRE BRAKE FLUID LEVEL WARNING SWITCH (BRAKE FLUID RESERVOIR) BRAKE IND BRK-LP RELAY BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOME +B ECU-IG LH FUSE ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) GRN/WHT WIRE GRY WIRE HEADLIGHT LEVELING ECU (LEFT KICK PANEL) HOT IN ON OR START IND MASTER INPUT CIRCUIT LCD (MULTI) LEFT COWL SIDE J/B (LEFT END OF DASH) LH-IG FUSE LT GRN WIRE MICRO COMPUTER MPX OF DASH) ORG/ WIRE OUT STP PNK 8 2 WIRE PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT COWL SIDE J/B (RIGHT END SLIP IND SLIP OFF IND STEERING SENSOR (UNDER LEFT SIDE OF DASH) STOP LAMP CONTROL RELAY ASSEMBLY SWITCH TRAC OFF IND VIO WIRE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER CONSOLE) YEL WIRE

24 25 CANL CANH 36 37 38 39 40 SWIL 7 6 IMO IMI ACCD BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CTSW SLR+ DOME +B DOOR IND EFII EFIO ENGINE CONTROL MODULE (ECM) (LEFT SIDE OF ENGINE COMPT) FUSE GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START ID CODE BOX (CENTER OF DASH) IGN FUSE IND INDS INDW INPUT CIRCUIT J/C LEFT COWL SIDE J/B (LEFT END OF DASH) LIN LT BLU WIRE LT GRN WIRE MASTER MICRO COMPUTER MICRO COMPUTER (SUB) MPX MULTI-INFORMATION DISPLAY ORG/ WIRE PNK SPD WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER DISTRIBUTION SYSTEM STARTING/CHARGING SYSTEM POWER SOURCE CONTROL ECU (RIGHT SIDE OF DASH) POWER SUPPLY CIRCUIT RED WIRE RED/BLK WIRE RIGHT COWL SIDE J/B RIGHT COWL SIDE J/B (RIGHT SIDE (RIGHT END OF DASH) OF DASH) SECURITY FUSE SHIFT INTERLOCK SYSTEM SKSW SLP STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM SHIFT INTERLOCK SYSTEM STEERING LOCK ACTUATOR (STEERING COLUMN) STOP SW FUSE (RIGHT END OF DASH) STSW SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

+BM 2.5L BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CRUISE IND DOME +B ECU-IG LH FUSE ENGINE CONTROLS SYSTEM ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ETCS FUSE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 MPX-B (RIGHT FUSE REAR OF ENGINE COMPT) INPUT CIRCUIT LEFT COWL SIDE J/B LEFT COWL SIDE J/B (LEFT END OF DASH) LH-IG FUSE LT GRN WIRE MICRO COMPUTER MPX NCA WIRE ORG/ WIRE PNK WIRE POWER SUPPLY RED WIRE RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) SPEEDOMETER THROTTLE W/ MOTOR BODY ASSEMBLY (REAR OF ENGINE) TRANSMISSION CONTROL SWITCH (BELOW CENTER CONSOLE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

BLK WIRE BRN WIRE CIRCUIT COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CRUISE CONTROL MAIN SWITCH CRUISE CONTROL SWITCH CRUISE IND DOME +B ENGINE ROOM GRN/RED WIRE GRY WIRE HOT AT ALL TIMES INPUT CIRCUIT JUNCTION JUNCTION CONNECTOR LCD (MULTI) LEFT PADDLE SHIFT SWITCH LT GRN WIRE MICRO COMPUTER MPX MPX-B FUSE R/B 1 (RIGHT REAR OF ENGINE COMPT) ON OFF ORG/ WIRE PADDLE SHIFT SWITCH 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) RIGHT PADDLE SHIFT SWITCH SPEEDOMETER SPIRAL CABLE (UNDER STEERING WHEEL) STEERING PAD SWITCH ASSEMBLY SUPPLY POWER TRANSMISSION FLOOR SHIFT ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

BACKUP BACKUP LAMPS CIRCUIT BATB BLU WIRE BRN WIRE CANADA CENTER STOP LAMP ASSEMBLY CLTB CLTE CLTS COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DCTY ECU-IG RH FUSE FR DOOR RH FUSE FUSE GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INPUT CIRCUIT LAMP LEFT REAR LIGHT ASSEMBLY LEFT TURN IND LT GRN WIRE MICRO COMPUTER MPX ORG/ WIRE PCTY POWER SUPPLY CIRCUIT RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT LICENSE PLATE LIGHT ASSEMBLY RIGHT MAIN BODY ECU RIGHT TURN IND TAIL IND TI, TE FUSE VIO WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

1 2 3 IG A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) BLK WIRE BRN WIRE CLEARANCE WARNING ECU (W/ PARKING ASSIST) (LEFT SIDE OF TRUNK) COMBINATION METER ASSEMBLY ECU-IG RH FUSE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FUSE GRN WIRE GRN/RED WIRE GRY WIRE GTX+ SIL GTX- HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INPUT CIRCUIT LEFT COWL SIDE J/B (LEFT END OF DASH) LT BLU WIRE LT GRN WIRE MICRO COMPUTER MPX MPX-B FUSE NETWORK GATEWAY ECU (RIGHT END OF DASH) ORG/ WIRE PNK WIRE RED WIRE RH-IG 1 RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU SIL W/ TIRE PRESSURE WARNING SYSTEM W/O TIRE PRESSURE WARNING SYSTEM WHT WIRE WHT/BLK WIRE

2 1 TX+ TX- 36 38 37 MPX 5 15 ATX+ ATX- PNK WIRE 7 19 TX+ TX- 7 8 TX+ TX- 9 10 TX+ TX- 9 10 TXM+ TXM- BLK WIRE BLU WIRE BRN WIRE CAN (+) CENTER AIR BAG SENSOR (UNDER REAR OF CENTER CONSOLE) ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FRONT CONTROLLER FRONT DOOR) GRN WIRE GRY WIRE INTEGRATION CONTROL, PANEL ASSEMBLY (W/O NAVIGATION) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT POSITION CONTROL ECU, SWITCH (BELOW LEFT SIDE OF DRIVER'S SEAT) LEFT MAIN BODY ECU LEFT OUTER MIRROR CONTROL ECU (LEFT LT BLU WIRE LT GRN WIRE MPX MPXB MULTI- DISPLAY ASSEMBLY MULTI-MEDIA INTERFACE ECU (LOWER RIGHT MULTI-MEDIA MODULE RECEIVER ASSEMBLY ORG/ WIRE OVERHEAD MODULE (CENTER FRONT OF ROOF) PNK 1 2 3 WIRE PNK 7 8 9 WIRE PNK WIRE RADIO RECEIVER ASSEMBLY RAIN SENSOR (TOP CENTER OF FRONT WINDSHIELD) RED WIRE RELAY SEAT BELT CONTROL ECU (W/ DYNAMIC RADAR CRUISE CONTROL) (LEFT SIDE OF TRUNK) SIDE OF DASH) SLIDING ROOF CONTROL ECU (IF EQUIPPED) STEERING SENSOR (UNDER LEFT SIDE OF DASH) STEREO COMPONENT AMPLIFIER (RIGHT REAR OF TRUNK) TRANSMISSION CONTROL ECU (LEFT SIDE OF ENGINE COMPT) VIO WIRE W/ NAVIGATION SYSTEM W/O NAVIGATION W/O NAVIGATION SYSTEM WHT WIRE YAW RATE SENSOR (UNDER CENTER CONSOLE)

ABS IND BRAKE IND BEAM IND BLK WIRE BLK/ WHT WIRE BLK/BLU WIRE BLU WIRE BLU/WHT WIRE BRAKE ACTUATOR ASSEMBLY BRAKE FLUID LEVEL WARNING SWITCH (BRAKE FLUID RESERVOIR) BRN WIRE CHARGE IND CLEARANCE SONAR IND CLOCK CIRCUIT WARNING SYSTEMS COMBINATION METER COMPUTER DATA LINES SYSTEM COMPUTER MICRO CRUISE IND DOME +B DOOR IND DRIVER'S SEAT BELT IND SLIP IND DRL OFF IND EFI ENGINE CONTROLS SYSTEM ES ET INT FE GND INT +S MPX+ GAGE TC ILL+ FRONT FOG IND MALFUNCTION IND LAMP FUEL IND GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE HEAD IND (USA) INPUT CIRCUIT INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM WARNING SYSTEMS LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT TURN IND LT BLU WIRE LT GRN WIRE MASTER IND MPX MULTI LCD O/T ORG/ WIRE PARKING BRAKE SWITCH PBLT P/SB RSEL LSEL SET PCS IND PNK 2 3 WIRE PNK WIRE POWER STEERING IND REAR FOG IND RED WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU RIGHT TURN IND RSEL SATELLITE SET SWITCH LSFT SET SI MPX- FR MSSL TR SLIP OFF IND SNOW IND SPEEDOMETER SPEEDOMETER/ TACHOMETER POINTER SPORT IND SRS IND SUPPLY CIRCUIT POWER TACHOMETER TAIL IND (EXCEPT USA) TEMPERATURE SENSOR TIRE PRESSURE IND TRAC OFF IND VIO WIRE VIO/YEL WIRE WARNING SYSTEMS WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 3 PNK WIRE 4 5 6 7 8 9 PNK WIRE BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE CLG CLGB COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DATA DOME +B DOOR CONTROL RECEIVER (CENTER FRONT OF TRUNK) ECU-IG RH FUSE FUSE GRN WIRE GRN/RED WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED INPUT CIRCUIT J/C LCD (MULTI) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT DOOR ELECTRICAL KEY OSCILLATOR (FRONT LEFT DOOR) LEFT MAIN BODY ECU LH-IG 1 RELAY LH-IG FUSE LT GRN WIRE MASTER IND MICRO COMPUTER MPX MPXB ORG/ WIRE OUTSIDE LEFT FRONT DOOR HANDLE ASSEMBLY PARK/ NEUTRAL POSITION SWITCH (TRANSMISSION ASSEMBLY) PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RH-IG 1 RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT DOOR ELECTRICAL KEY OSCILLATOR (RIGHT FRONT DOOR) RIGHT MAIN BODY ECU RSSI SEL SENS SGT TRG+ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

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