Lexus CT I (2010-2014) instrument panel j/b (behind left end of dash) Wiring diagrams

+ECU 10 18 9 PNK WIRE 3 2 1 12 13 14 PNK PNK SHB SHRR SHG WIRE 5 15 PRST SPDR RHT LHT SHRL 7 8 SIL LVL 8 3 4 LHIG LH T LH E 8 3 4 RHIG RH T RH E BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY ECU- IG 1 FUSE ENGINE ROOM J/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUSE GAUGE FUSE GND 2 GRN WIRE HDLP HEAD HEADLAMP DIMMER SWITCH ASSEMBLY HEADLIGHT HEADLIGHT BEAM LEVEL CONTROL IND HEADLIGHT LEVELING ECU (BEHIND RIGHT END OF DASH) HL 4 HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG 1 INIT WNG INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION RELAY LEFT HEADLIGHT ASSEMBLY LEVELING LIGHT CONTROL SWITCH AUTO LT BLU WIRE LT GRN WIRE MAIN BODY ECU MET FUSE MOTOR P/I 2 FUSE PNK WIRE RED WIRE RH LH RH+ LH+ SBR RIGHT HEADLIGHT ASSEMBLY RIGHT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY (LEFT SIDE OF REAR BUMPER) SGR TAIL OFF VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

2 3 1 PNK WIRE 24 25 PNK WIRE BACKUP LIGHT BKUP BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (LEFT SIDE GAUGE FUSE GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION RELAY LEFT REAR LIGHT ASSEMBLY LT BLU WIRE LT GRN WIRE P/I 2 FUSE OF ENGINE COMPT) PNK WIRE POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RELAY ENERGIZED RIGHT REAR LIGHT ASSEMBLY SHIFT LEVER POSITION SENSOR (BEHIND CENTER OF DASH) SHIFT LEVER POSITION SENSOR 2 (UNDER CENTER CONSOLE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BECU ILE BLK WIRE BLU WIRE DOOR DRIVER'S DOOR ECU-B FUSE FSPT GRN WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) DOME FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LEFT INTERIOR ILLUMINATION LIGHT ASSEMBLY LEFT MAP LIGHT LEFT OUTER REAR VIEW MIRROR ASSEMBLY LEFT VANITY LIGHT ASSEMBLY LEFT VISOR ASSEMBLY LT BLU WIRE MAIN BODY ECU MAP LIGHT ASSEMBLY MILE OFF ON OFF DOOR OSPT CSPT RED WIRE RIGHT INTERIOR ILLUMINATION LIGHT ASSEMBLY RIGHT MAP LIGHT RIGHT OUTER REAR VIEW MIRROR ASSEMBLY (W/O MEMORY) RIGHT VISOR ASSEMBLY ROOM LIGHT ASSEMBLY 1 ROOM LIGHT ASSEMBLY 2 VIO WIRE W/O MEMORY WHT WIRE WHT/BLK WIRE YEL WIRE

11 10 9 SWIL CANL CANH BLK WIRE BLU WIRE BRN WIRE CANN BDR SIG LP HTR- GND CANN CANP LCTY CANP BDR CPUB SIG GND LP HTR- CERTIFICATION ECU (BEHIND RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CPUB DOOR 1 FUSE DRIVER'S DOOR ECU-ACC FUSE ECU-IG 2 FUSE FLCY ALTB FRCY CANH FUSE GRN WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C LEFT OUTER MIRROR CONTROL ECU CANN (W/ MEMORY) (DRIVER'S DOOR) LEFT OUTER REAR VIEW MIRROR ASSEMBLY LT GRN WIRE MAIN BODY ECU D FR DOOR FUSE ORG/ WIRE OUTER FOOT LIGHT P FR DOOR FUSE POWER SWITCH RCTY CANL IG RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH (RIGHT "B" PILLAR) RIGHT OUTER MIRROR CONTROL ECU (W/ MEMORY) (FRONT PASSENGER'S DOOR) CANP RIGHT OUTER REAR VIEW MIRROR ASSEMBLY RIGHT REAR DOOR COURTESY LIGHT SWITCH (RIGHT "C" PILLAR) SWIL 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

14 13 TRLY FFGO 15 6 19 21 20 22 5 8 30 28 29 27 13 14 DRL RCTY BCTY CLTS CLTB CLTE HU HF TAIL 2 4 12 11 FLCY FRCY PKB 21 8 LLEW RLEW 30 32 22 BECU IG DIM AIR CONDITIONING SYSTEM AUTOMATIC LIGHT CONTROL SENSOR (UPPER RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE CLTB CLTE CLTS COMPUTER DATA LINES SYSTEM DC/DC FUSE (LEFT SIDE OF ENGINE COMPT) DIMMER SWITCH DOOR 1 FUSE ECU- IG 1 FUSE GAUGE FUSE ECU-ACC FUSE ENGINE ROOM J/B ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) FLASH HIGH FOG LIGHT SWITCH FR FOG FUSE FR FOG RELAY GRN WIRE HEAD HEAD FFOG CANL CANH HEADLIGHT DIMMER SWITCH ASSEMBLY HLPL HLPR HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION RELAY LCTY LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU MET FUSE PNK WIRE RED WIRE TAIL TAIL FUSE RELAY TAIL TAIL HEAD OFF OFF AUTO AUTO TSL TSR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DCM (TELEMATICS TRANSCEIVER) (IF EQUIPPED) (BEHIND CENTER OF DASH) DISPLAY, NAVIGATION MODULE DISPLAY DOOR 1 FUSE ECU-ACC FUSE FUSE GRN WIRE HEADLIGHT LEVELING ECU ASSEMBLY (IF EQUIPPED) (BEHIND RIGHT END OF DASH) HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LCTY LEFT FRONT DOOR COURTESY LIGHT SWITCH (LEFT "B" PILLAR) LEFT REAR DOOR COURTESY LIGHT SWITCH (LEFT "C" PILLAR) MAIN BODY ECU MET FUSE PARKING BRAKE SWITCH (BASE OF PARKING BRAKE LEVER) POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RADIO RECEIVER ASSEMBLY RCTY RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH (RIGHT "B" PILLAR) RIGHT REAR DOOR COURTESY LIGHT SWITCH (RIGHT "C" PILLAR) SPDI SPDP SPDR STEREO COMPONENT AMPLIFIER ASSEMBLY (BELOW RIGHT FRONT SEAT) TIRE PRESSURE WARNING ECU (IF EQUIPPED) (BEHIND RIGHT SIDE OF DASH) VIO WIRE W/ NAVIGATION W/O NAVIGATION W/ STEREO COMPONENT AMPLIFIER W/O NAVIGATION, STEREO COMPONENT AMPLIFIER WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER RELAY (W/ AUTO WIPER SYSTEM) (FRONT OF FLOOR CONSOLE)

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