Lexus CT I (2010-2014) hot in on or start 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

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

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

ACTG BK/DR RELAY BLK WIRE BLU WIRE BRN WIRE BUZZER CAN MASTER IND I/F COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM D/L SOURCE RELAY ECU- ECU- IG 1 FUSE FUSE FUSE LEFT END OF DASH) EFII EFIO GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (BEHIND LEFT STOP FUSE END OF DASH) HOT IN HOT AT ON OR ALL TIMES INSTRUMENT PANEL DOOR J/B (BEHIND HOT IN ON OR HOT IN ON OR START ID CODE BOX (BEHIND LEFT SIDE OF DASH) LT BLU WIRE MAIN BODY ECU MET FUSE GAUGE FUSE MULTI-INFORMATION DISPLAY PNK WIRE RED WIRE SECURITY IND TO D/L RELAY (DIAGRAM 3 OF 5) VIO WIRE WHT/BLK WIRE 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

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

BATT HRNL HRNH HNSW BLK WIRE BLU WIRE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B GAUGE PANEL J/B FUSE (BEHIND LEFT END OF DASH) HIGH PITCHED HORN (BEHIND HORN SWITCH HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT INSTRUMENT (LEFT FRONT OF ENGINE COMPT) PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION RELAY LOW PITCHED HORN (BEHIND LEFT SIDE OF FRONT GRILLE) LT BLU WIRE MAIN BODY ECU P/I 2 FUSE (LEFT SIDE OF ENGINE COMPT) RED WIRE RIGHT SIDE OF FRONT GRILLE) SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY 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

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