Lexus CT I (2010-2014) engine room r/b (left side of engine compt) 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

BDR BLK WIRE BLU WIRE BRN WIRE CANN CANP COMPUTER DATA LINES SYSTEM D FR DOOR DRIVER'S SEAT DRIVER'S SEAT LIFT MOTOR (BOTTOM OF DRIVER'S SEAT) DRIVER'S SEAT LUMBAR SUPPORT MOTOR DRIVER'S SEAT RECLINING MOTOR (DRIVER'S SEAT) DRIVER'S SEAT SLIDE MOTOR (BOTTOM OF DRIVER'S SEAT) DRIVER'S SEAT TILT MOTOR (BOTTOM OF DRIVER'S SEAT) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ECU-B FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LEFT "C" PILLAR) LEFT LUMBAR SUPPORT SWITCH (LEFT POWER SEAT SWITCH ASSEMBLY) LT BLU WIRE LT GRN WIRE LUMBAR MSWE PASSIVE RESTRAINT SYSTEM PNK WIRE POSITION CONTROL ECU, SWITCH ASSEMBLY (BOTTOM OF DRIVER'S SEAT) PWR SEAT RED WIRE SEAT MEMORY SWITCH SET- VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEMS CONTROL ECU ASSEMBLY (FRONT PASSENGER'S DOOR) DC/DC FUSE DRIVER'S DOOR ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES HTR INTEGRATION RELAY J/C LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (DRIVER'S DOOR) LEFT OUTER REAR VIEW MIRROR ASSEMBLY LT BLU WIRE LT GRN WIRE ORG/ WIRE P/I 2 FUSE ECU-B FUSE PNK WIRE RED WIRE RIGHT LICENSE PLATE LIGHT ASSEMBLY RIGHT OUTER MIRROR RIGHT OUTER REAR VIEW MIRROR ASSEMBLY SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) TRN+ TRNI TURN TURN RIGHT OUTER REAR VIEW TURN, HAZ FUSE VIO WIRE W/ MEMORY W/O MEMORY 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

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

BLK WIRE BLU WIRE BRN WIRE CLOSE OPEN COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE GVIF HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) IGN FUSE LT GRN WIRE MAYDAY FUSE MTX- MULTI- DISPLAY SWITCH MULTI-DISPLAY NCA WIRE PNK WIRE RAD 1 FUSE RAD 2 FUSE RED WIRE SGND TILT VCC VDD VIO WIRE W/ BACK GUIDE MONITOR W/ REAR VIEW MONITOR WHT WIRE WHT/BLK WIRE YEL WIRE

AMP 1 FUSE AMP 2 FUSE B+ GND BLK WIRE BLU WIRE BOX SPEAKER ASSEMBLY 1 BRN WIRE CTR- CTR+ ML- MR- ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FL+ RL+ RR+ FL- FR- FR+ RL- RR- FRONT SPEAKER ASSEMBLY 4 GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LEFT FRONT SPEAKER ASSEMBLY 1 LEFT REAR SPEAKER ASSEMBLY 1 LEFT REAR SPEAKER ASSEMBLY 2 LT GRN WIRE MI+ MO- NCA WIRE PNK ML+ MR+ WIRE PNK WIRE RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 1 RIGHT REAR SPEAKER ASSEMBLY 1 RIGHT REAR SPEAKER ASSEMBLY 2 SLDI SLDO SPD WUI MI+ SLDI MO+ TMUT STEREO COMPONENT AMPLIFIER ASSEMBLY (BELOW RIGHT FRONT SEAT) VIO WIRE W/ LEXUS ENFORM OR SAFETY CONNECT W/O LEXUS ENFORM OR SAFETY CONNECT WHT WIRE WHT/BLK WIRE WUI WUO MI- SLDO MO- YEL WIRE

22 23 15 16 PCON PPOS 22 28 PCON PPOS 6 5 23 MREL BATT HRNH HRNL HLPR HLPL BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DOOR 2 FUSE ECU-B FUSE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE HEADLIGHTS SYSTEM HNSW HORNS SYSTEM HOT AT ALL TIMES IGCT 2 FUSE IGCT FUSE IGCT RELAY IMI IMO INDS INDW INTEGRATION RELAY LT BLU WIRE LT GRN WIRE ORG/ WIRE P/I 2 FUSE PNK WIRE POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE SHIFT LEVER POSITION SENSOR (BEHIND CENTER OF DASH) SHIFT LEVER POSITION SENSOR 2 (UNDER CENTER CONSOLE) TRANSMISSION CONTROL ECU TRANSMISSION SHIFT MAIN SWITCH (LEFT SIDE OF CENTER CONSOLE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CLOSE OPEN COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE GVIF HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) IGN FUSE LT GRN WIRE MAYDAY FUSE MTX- MULTI- DISPLAY SWITCH MULTI-DISPLAY NCA WIRE PNK WIRE RAD 1 FUSE RAD 2 FUSE RED WIRE SGND TILT VCC VDD VIO WIRE W/ BACK GUIDE MONITOR W/ REAR VIEW MONITOR WHT WIRE WHT/BLK WIRE YEL WIRE

AMP 1 FUSE AMP 2 FUSE B+ GND BLK WIRE BLU WIRE BOX SPEAKER ASSEMBLY 1 BRN WIRE CTR- CTR+ ML- MR- ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FL+ RL+ RR+ FL- FR- FR+ RL- RR- FRONT SPEAKER ASSEMBLY 4 GRN WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LEFT FRONT SPEAKER ASSEMBLY 1 LEFT REAR SPEAKER ASSEMBLY 1 LEFT REAR SPEAKER ASSEMBLY 2 LT GRN WIRE MI+ MO- NCA WIRE PNK ML+ MR+ WIRE PNK WIRE RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 1 RIGHT REAR SPEAKER ASSEMBLY 1 RIGHT REAR SPEAKER ASSEMBLY 2 SLDI SLDO SPD WUI MI+ SLDI MO+ TMUT STEREO COMPONENT AMPLIFIER ASSEMBLY (BELOW RIGHT FRONT SEAT) VIO WIRE W/ LEXUS ENFORM OR SAFETY CONNECT W/O LEXUS ENFORM OR SAFETY CONNECT WHT WIRE WHT/BLK WIRE WUI WUO MI- SLDO MO- YEL WIRE