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

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

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

A/C AMPLIFIER ASSEMBLY BLOWER W/ FAN MOTOR SUB ASSEMBLY BLU WIRE COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY DATA LINK CONNECTOR 3 DOOR CONTROL SWITCH ASSEMBLY FROM GLOVE BOX YAW LIGHT RATE SENSOR ASSEMBLY GRN WIRE HEADLIGHT DIMMER SWITCH ASSEMBLY ID CODE BOX J/C LEFT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT VISOR ASSEMBLY MAIN BODY ECU MAP LIGHT ASSEMBLY MIRROR OUTER MIRROR SWITCH ASSEMBLY POWER MANAGEMENT CONTROL ECU POWER OUTLET SOCKET ASSEMBLY RETRACTABLE FLUID OUTER LID MIRROR OPENER SWITCH SWITCH RIGHT FRONT DOOR OUTSIDE HANDLE ASSEMBLY RIGHT FRONT DOOR W/ MOTOR LOCK ASSEMBLY RIGHT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RIGHT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY RIGHT OUTER REAR VIEW MIRROR ASSEMBLY RIGHT VISOR ASSEMBLY ROOM LIGHT 1 ASSEMBLY SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) ST-PLUG STEERING PAD SWITCH ASSEMBLY STEERING WHEEL HEATER CONTROL ASSEMBLY TO INSTRUMENT PANEL J/B (DIAGRAM 4 OF 5) W/ RETRACTOR WHT WIRE WHT/BLK 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

39 40 I/F ABS IND. ACIN BEAM IND BLK WIRE BLU WIRE BRAKE IND BRN WIRE BUZZER CHARGE IND CLEARANCE SONAR IND COMPUTER DATA LINES SYSTEM CRUISE IND DISP STEERING PAD SWITCH ASSEMBLY DISPLAY INFORMATION DOOR IND DYNAMIC RADAR CRUISE CONTROL IND ECO MODE IND ECU-B FUSE ELECTRONICALLY CONTROLLED BRAKE SYSTEM IND ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (FOR EXHAUST HEAT REGULATION SYSTEM) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) EV IND EV MODE IND FRONT FOG IND FUEL FUEL IND GRN WIRE GRY WIRE HEADLIGHT BEAM LEVEL CONTROL IND HOT AT ALL TIMES ILL (+) PNK WIRE INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM WARNING SYSTEMS J/C LBL LEFT TURN IND LT BLU WIRE LT GRN WIRE MALFUNCTION IND LAMP MASTER IND MULTI- OIL PRESSURE IND PCS IND PNK STRG WIRE PNK WIRE POWER STEERING IND READY IND RED WIRE RIGHT TURN IND RRSB RCSB RLSB WLVL SEAT BELT IND SKID CONTROL ECU (BEHIND LEFT COMBINATION METER ASSEMBLY SIDE OF DASH) SLIP IND SPEEDOMETER SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) SPORT MODE IND SRS IND SYSTEM INDICATOR TIRE PRESSURE IND TIRE) TRIP SWITCH VIO WIRE WATER TEMPERATURE IND 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)

11 10 9 SWIL CANL CANH 17 18 PNK WIRE ALTB BECU IG TRLY BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU (BEHIND RIGHT SIDE OF DASH) COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM DC/DC FUSE DOOR 1 FUSE ECU-ACC FUSE ECU-B FUSE ECU-IG 2 FUSE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START ILL+ TC IMAN ECOD INSTRUMENT PANEL J/B LIGHT CONTROL RHEOSTAT LT BLU WIRE MAIN BODY ECU ORG/ WIRE PANEL FUSE MET FUSE PNK WIRE POWER SWITCH RED WIRE REV SWIL TAIL FUSE TAIL RELAY VIO WIRE WHT WIRE WHT/BLK WIRE

ABFS AIR CONDITIONING SYSTEM BLK WIRE BLU WIRE BRN WIRE BTH+ CLK+ COMPUTER DATA LINES SYSTEM DC/DC-S FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) ETHB EVSW GRN WIRE GRY WIRE HOT AT ALL TIMES HSDN HTM- IDH IGCT ILK ILKI ILKO INDS INDW INTERLOCK SWITCH (RIGHT SIDE OF LUGGAGE COMP) LT BLU WIRE LT GRN WIRE MTH+ NCA WIRE NODD ORG/ WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE REQ+ SHIFT LEVER POSITION SENSOR (BEHIND CENTER OF DASH) SMRB SMRG SMRP SPDI SUPPLEMENTAL RESTRAINTS SYSTEM THB VIO WIRE VLO WHT WIRE WHT/BLK WIRE YEL WIRE

ACPB ACPE AIR CONDITIONING SYSTEM AMD BLK WIRE BLU WIRE BRN WIRE CBI CEI COMBINATION SWITCH ASSEMBLY DC/DC FUSE (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B EV MODE GCS GCSG GMT GMTG GRF GRFG GRN WIRE GRY WIRE GSN GSNG HOT AT ALL TIMES LT BLU WIRE LT GRN WIRE MCS MCSG MMT MMTG MOTOR GENERATOR 2 (LEFT FRONT OF ENGINE COMPT) MRF MRFG MSN MSNG NCA WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE RED WIRE TRANSMISSION SHIFT MAIN SWITCH (LEFT SIDE OF CENTER CONSOLE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE