Lexus CT I (2010-2014) (right side of center console) Wiring diagrams

1 2 CANH CANL 24 25 22 21 TX- TX+ CANH CANL BLK WIRE BLU WIRE BRN WIRE CG SG CANH SIL LVL TAC CLEARANCE WARNING ECU (BEHIND RIGHT SIDE OF DASH) DATA LINK CONNECTOR 3 (UNDER LEFT SIDE OF DASH) DIA DRIVING SUPPORT ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRY WIRE HOT AT ALL TIMES ID CODE BOX (BEHIND LEFT SIDE OF DASH) INSTRUMENT PANEL J/B OBD FUSE (BEHIND LEFT END OF DASH) PARKING ASSIST ECU (BEHIND RIGHT SIDE OF DASH) PNK LIN WIRE PNK PNK WIRE PNK WIRE RED WIRE RIGHT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY (FRONT PASSENGER'S DOOR) RIGHT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY (RIGHT REAR DOOR) SEAT BELT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) SIL SLIDING ROOF CONTROL ECU (CENTER OF ROOF) ST-PLUG TOP OF ENGINE) TS TC CANL VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

10 9 CANN CANP 10 9 TXM- TXM+ 14 13 CANH CANL 16 17 PNK WIRE 3 2 CANH CANL 4 3 CANH CANL 5 15 ATX+ ATX- 7 8 TX+ TX- 8 9 CANN CANP AIR BAG SENSOR ASSEMBLY (UNDER LOWER CENTER CONSOLE) BLK WIRE BLU WIRE BRN WIRE GRN WIRE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LEFT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (DRIVER'S DOOR) LEFT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LIN LT GRN WIRE MAIN BODY ECU (BEHIND LEFT END OF DASH) MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY PNK LIN WIRE PNK PNK WIRE PNK WIRE POSITION CONTROL ECU, SWITCH ASSEMBLY RADIO RECEIVER SUB-ASSEMBLY (W/O NAVIGATION W/ STEREO COMPONENT AMPLIFIER) RED WIRE RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY (FRONT PASSENGER'S DOOR) ST-PLUG STEERING SENSOR (STEERING COLUMN) STEREO COMPONENT AMPLIFIER VIO WIRE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (BELOW CENTER CONSOLE) YEL WIRE

ACCELERATOR PEDAL SENSOR ASSEMBLY (ON ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLU WIRE BRN WIRE CCHG COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY (BEHIND RIGHT SIDE OF DASH) ECU-IG 2 FUSE ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE ROOM R/B (LEFT SIDE OF GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES STOP FUSE HOT W/ IGB IGCT FUSE IGCT RELAY IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LRDD LRRD LT BLU WIRE LT GRN WIRE MET FUSE MILLIMETER WAVE RADAR SENSOR ASSEMBLY (BEHIND CENTER OF FRONT GRILLE) MODE NCA WIRE ORG/ WIRE PBSW PNK WIRE PRE-COLLISION SYSTEM CANCEL SWITCH ASSEMBLY (LEFT SIDE OF DASH) RED WIRE SGND STOP LIGHT SWITCH ASSEMBLY (ABOVE BRAKE PEDAL, ON BRACKET) STP+ THROTTLE BODY ASSEMBLY (LEFT SIDE OF ENGINE) TOP OF ENGINE) VIO WIRE WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM YEL WIRE

3 6 33 16 37 38 20 7 9 22 32 31 5 18 STPO 6 5 B+ STP BLK WIRE BLU WIRE BRN WIRE BUZZER COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM RL+ RL- RR- RR+ FL- FL+ FR- FR+ CRUISE CONTROL DYNAMIC RADAR CRUISE CONTROL MAIN SWITCH CRUISE IND EAT ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) GRN WIRE IND LEFT FRONT SPEED SENSOR (LEFT FRONT WHEEL) LEFT REAR SPEED SENSOR (LEFT REAR WHEEL) LT BLU WIRE LT GRN WIRE MODE MULTI-INFORMATION DISPLAY NCA WIRE ON-OFF +RES -SET ORG/ WIRE OUT PNK WIRE POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RIGHT FRONT SPEED SENSOR (RIGHT FRONT WHEEL) RIGHT REAR SPEED SENSOR (RIGHT REAR WHEEL) RIGHT STEERING PAD SWITCH CONTROL DISTANCE SKID CONTROL ECU ASSEMBLY (BEHIND LEFT SIDE OF DASH) SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STOP LIGHT CONTROL RELAY ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+RES -SET 8 6 GND B+ BLK WIRE BLU WIRE BRN WIRE BUZZER COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CRUISE CONTROL MAIN SWITCH CRUISE IND GRN WIRE LEFT FRONT SPEED SENSOR (LEFT FRONT WHEEL) LEFT REAR SPEED SENSOR (LEFT REAR WHEEL) LT BLU WIRE LT GRN WIRE MULTI-INFORMATION DISPLAY NCA WIRE ON OFF ORG/ WIRE OUT PNK WIRE RED WIRE RIGHT FRONT SPEED SENSOR (RIGHT FRONT WHEEL) RIGHT REAR (LEFT FRONT OF SPEED SENSOR ENGINE COMPT) (RIGHT REAR WHEEL) RL+ RL- RR- RR+ FL- FL+ FR- FR+ SKID CONTROL ECU ASSEMBLY (BEHIND LEFT SIDE OF DASH) SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) STOP LIGHT CONTROL RELAY ASSEMBLY STPO STP VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 CANH 1 2 3 4 5 6 RZG 1 2 PIG PGND 7 8 9 10 11 12 CANL BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-IG 2 FUSE ENERGIZED INSTRUMENT PANEL J/B MET (BEHIND LEFT FUSE END OF DASH) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) EPS FUSE GRN WIRE HOT AT ALL TIMES HOT W/ PNK WIRE POWER POWER STEERING ECU (BEHIND LEFT SIDE OF DASH) POWER STEERING MOTOR POWER STEERING MOTOR (INTEGRAL TO POWER STEERING ECU ASSEMBLY) RED WIRE RELAY ENERGIZED ROTATION ANGLE SENSOR RZCS RZSN RZG VIO WIRE WHT WIRE WHT/BLK WIRE

9 8 CANP CANN A/C AMPLIFIER ASSEMBLY (W/ MEMORY) (BEHIND LEFT CENTER OF DASH) A/C CONTROL ASSEMBLY (LEFT CENTER OF DASH) BLK WIRE BRN WIRE BRN/WHT WIRE CANH CANL GND CANP CANN COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DEF DEFB DRIVER'S DOOR ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B GAUGE FUSE HOT AT ALL TIMES HOT IN ON OR START HTR INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION RELAY LEFT OUTER MIRROR ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT OUTER REAR VIEW MIRROR ASSEMBLY (W/O MEMORY) LIN M-HTR FUSE MHTR MIRROR HEATER NOISE FILTER (REAR WINDOW DEFOGGER) (UNDER LOWER LEFT P/I 2 (LEFT SIDE FUSE OF ENGINE COMPT) RDEF REAR WINDOW DEFOGGER (BACK DOOR GLASS) REAR WINDOW DEFOGGER SWITCH RIGHT OUTER MIRROR ASSEMBLY RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY (W/ MEMORY) (FRONT PASSENGER'S DOOR) RIGHT OUTER REAR VIEW MIRROR ASSEMBLY (W/O MEMORY) SIDE OF REAR WINDOW) SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+B +BM CANN CANL MREL TC FC BATT FANL FANH BLK WIRE BLU WIRE BRN WIRE CANP CANH PNK WIRE COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) EFI 2 FUSE ENG W/P FUSE ENG W/P RELAY ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) ENGINE WATER PUMP ASSEMBLY ETCS FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LT GRN WIRE MET FUSE MPMP NORM NORMAL NWP PNK WIRE PUMP (TOP OF FUEL SENDER ENGINE) GAUGE ASSEMBLY (TOP OF FUEL TANK) PWMS PWR RED WIRE RELAY ENERGIZED SPORT SWP TACH VIO WIRE VPMP WHT WIRE WHT/BLK WIRE WPO YEL WIRE

AIR CONDITIONING SYSTEM BLK WIRE BLU WIRE BRN WIRE BUZZER CLK STB NODD COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) EV MODE IND FCTL GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START HYBRID SYSTEM INDICATOR I/F IGCT 2 FUSE IGCT 3 FUSE IGCT FUSE ECU-B FUSE IGCT RELAY IND LAMP MALFUNCTION INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) IWP NIWP BL GI LED (SHIFT POSITION) LT BLU WIRE LT GRN WIRE MASTER IND MET FUSE IGN FUSE MMT MMTG GMT GMTG MULTI-INFORMATION DISPLAY ORG/ WIRE PCU FUSE PNK WIRE POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE SIO ETI ITE ILK SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) SPORT MODE IND STOP FUSE TRANSMISSION CONTROL ECU (BEHIND RIGHT SIDE OF DASH) VIO WIRE VLO WHT WIRE WHT/BLK WIRE YEL WIRE

+BWP BATTERY THERMOMETER SENSOR BLK WIRE BLU WIRE BRN WIRE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INDS INDW J/C LT BLU WIRE LT GRN WIRE NWP ORG/ WIRE PNK WIRE POWER SWITCH RED WIRE SHIFT LEVER POSITION SENSOR 2 (UNDER CENTER CONSOLE) SWIL SWP VIO WIRE WATER PUMP ASSEMBLY (RIGHT FRONT OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE YEL WIRE