Lexus CT I (2010-2014) (right front of engine compt) Wiring diagrams

5 6 FR- 6 8 B+ GND 7 8 9 RL- BLK WIRE BLU WIRE BRN WIRE BZ BI BS COMPUTER DATA LINES SYSTEM GRN WIRE HOT AT ALL TIMES HOT IN ON OR START HZRI IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LEFT FRONT DOOR COURTESY LIGHT SWITCH (LEFT "B" PILLAR) LEFT REAR SPEED SENSOR (LEFT REAR WHEEL) LT BLU WIRE NCA WIRE ORG/ WIRE OUT PNK FR+ CTY RL+ WIRE PNK WIRE RED WIRE RIGHT REAR SPEED SENSOR (RIGHT REAR WHEEL) SKID CONTROL ECU ASSEMBLY (BEHIND LEFT SIDE OF DASH) STOP FUSE STOP LIGHT CONTROL RELAY ASSEMBLY STOP LIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) STPO TS VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ABS MAIN 2 FUSE ABS MTR 1 FUSE ABS MTR 2 FUSE ABS- MAIN 1 FUSE BLK WIRE BLU WIRE BRAKE BOOSTER PUMP (LEFT REAR OF ENGINE COMPT) BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRAKE PEDAL STROKE SENSOR (ABOVE BRAKE PEDAL) BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK PNK WIRE END OF DASH) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FL+ FL- STP GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (BEHIND LEFT LBL COMPUTER DATA LINES SYSTEM LEFT FRONT SPEED SENSOR (LEFT FRONT WHEEL) LT GRN WIRE MAIN BODY ECU NCA WIRE PARKING BRAKE SWITCH (BASE OF PARKING BRAKE LEVER) PNK WIRE RED WIRE RIGHT FRONT SPEED SENSOR (RIGHT FRONT WHEEL) SKG SKG SKS SKID CONTROL ECU ASSEMBLY (BEHIND LEFT SIDE OF DASH) VCSK VIO WIRE WHT WIRE WHT/BLK 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

+ECU AIR CONDITIONING SYSTEM AUTOMATIC LIGHT CONTROL SENSOR (UPPER RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE CENTRAL STOP LIGHT ASSEMBLY CLTB CLTE CLTS COMPUTER DATA LINES SYSTEM DOOR 1 FUSE FUSE GAUGE FUSE GRN WIRE HEAD HOT AT ALL TIMES HOT W/ HOT W/ ACC RELAY ENERGIZED HZSW IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LCTY LEFT "C" PILLAR) LEFT REAR COMBINATION LIGHT ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU MARKER NOISE FILTER (STOP LIGHT 1) (LEFT REAR OF LUGGAGE COMPT) NOISE FILTER (STOP LIGHT 2) (TOP OF CARGO DOOR) OUT PNK WIRE RCTY RED WIRE RELAY ENERGIZED RIGHT REAR COMBINATION LIGHT ASSEMBLY STOP FUSE STOP LIGHT CONTROL ECU (BEHIND LEFT END OF DASH) STOP/TAIL TAIL TAIL FUSE TAIL RELAY TSL TSR TURN VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

32 31 PNK CANH CANL COMPUTER DATA LINES SYSTEM WIRE AUTO BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY FLSW FRLY GRN WIRE HAZARD WARNING SIGNAL SWITCH ASSEMBLY HEAD HEADLAMP DIMMER SWITCH ASSEMBLY INSTRUMENT PANEL J/B ECU- IG 2 FUSE (BEHIND LEFT END OF DASH) LED TYPE HALOGEN TYPE LEFT HEADLIGHT ASSEMBLY LEFT TURN IND LIGHT CONTROL SWITCH LJB LT BLU WIRE MARKER MET FUSE OFF PARKING PNK WIRE RED WIRE RELAY ENERGIZED RIGHT HEADLIGHT ASSEMBLY RIGHT TURN IND TAIL TAIL IND (EXCEPT USA) TURN TURN SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BZR COMPUTER DATA LINES SYSTEM D DR UNLOCK RELAY D/L RELAY DR UNLOCK RELAY DRIVER'S DOOR FROM BK/DR RELAY (DIAGRAM 2 OF 5) FROM D/L SOURCE RELAY (DIAGRAM 2 OF 5) GRN WIRE GRY WIRE HORN IND INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LEFT "C" PILLAR) LEFT FRONT DOOR LOCK MOTOR (REAR OF DRIVER'S DOOR) LEFT REAR DOOR LOCK MOTOR (REAR OF LEFT REAR DOOR) LSWL LT BLU WIRE LT GRN WIRE MAIN BODY ECU PNK WIRE RED WIRE RIGHT FRONT DOOR LOCK MOTOR (REAR OF FRONT PASSENGER'S DOOR) RIGHT REAR DOOR LOCK MOTOR (REAR OF RIGHT REAR DOOR) VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (LEFT REAR OF ENGINE COMPT) YEL WIRE

1 3 IG 21 22 CANH CANL 39 20 36 22 11 12 HRLY 4 5 ECU IND- A/C AMPLIFIER ASSEMBLY (BEHIND LEFT CENTER OF DASH) BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CANH CANL DEC DECL DECR DEF DIECER SWITCH DISPLAY, NAVIGATION MODULE DISPLAY (W/ NAVIGATION) ENGINE ROOM R/B FRONT WIPER FRONT WIPER DEICER FRONT WIPER DEICER (RIGHT REAR OF ENGINE COMPT) FRONT WIPER DEICER SWITCH GAUGE FUSE GRN WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRU- MENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION RELAY OUTER MIRROR HEATER SWITCH ASSEMBLY (W/O NAVIGATION) P/I 2 (LEFT SIDE FUSE OF ENGINE COMPT) RED WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AIR FUEL RATIO SENSOR KNOCK (BANK 1 CONTROL SENSOR 1) SENSOR SHIELD SHIELD BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRN WIRE CANISTER PUMP MODULE CLEANER CONTROL RELAY CLEARANCE WARNING ECU ASSEMBLY CRANK POSITION SENSOR SHIELD DATA LINK CONNECTOR 3 DRIVER'S DOOR GRN WIRE HALOGEN TYPE INNER SLIDING REAR VIEW ROOF MIRROR CONTROL ASSEMBLY ECU INTAKE MASS AIR FLOW METER SUB-ASSEMBLY SHIELD LEFT FRONT DOOR OUTSIDE HANDLE ASSEMBLY LEFT FRONT LEFT DOOR W/ OUTER MIRROR MOTOR LOCK CONTROL ECU ASSEMBLY ASSEMBLY LEVEL WARNING SWITCH ASSEMBLY MAP LIGHT ASSEMBLY MULTIPLEX LEFT NETWORK OUTER REAR MASTER SWITCH VIEW MIRROR ASSEMBLY ASSEMBLY OXYGEN SENSOR (BANK 1 SENSOR 2) SHIELD POWER STEERING ECU ASSEMBLY RIGHT END OF DASH) RIGHT HEADLIGHT ASSEMBLY SKID CONTROL ECU W/ ACTUATOR ASSEMBLY STOP LIGHT CONTROL ECU ASSEMBLY STRG HTR RELAY THROTTLE BODY ASSEMBLY SHIELD TURN SIGNAL FLASHER ASSEMBLY W/ PARKING ASSIST (W/ REAR VIEW MONITOR W/O LEXUS NAVIGATION) W/O PARKING ASSIST (W/ REAR VIEW MONITOR W/O LEXUS NAVIGATION) WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY WIRELESS DOOR LOCK BUZZER

BEAM IND BLK WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DIM RELAY DRL DRL FUSE DRL RELAY ECU-B FUSE ENGINE ROOM R/B FRONT FOG IND FUSE GRN WIRE H-LP HI MAIN FUSE H-LP LH-HI H-LP RH HI FUSE HALOGEN TYPE HEAD IND HOT AT ALL TIMES LED DRIVE MODULE LED TYPE HALOGEN TYPE LEFT FRONT FOG LIGHT ASSEMBLY LEFT HEADLIGHT ASSEMBLY LOW (LED) LT BLU WIRE LT GRN WIRE MULTI-INFORMATION DISPLAY P/I 2 FUSE PARKING BRAKE SWITCH ASSEMBLY PNK WIRE RED WIRE RIGHT FRONT FOG LIGHT ASSEMBLY RIGHT HEADLIGHT ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE