Lexus CT I (2010-2014) display, navigation module display Wiring diagrams

+ECU 13 22 CANH CANL 14 6 CANL CANH 16 17 PNK WIRE 22 21 CANL CANH 7 1 CANL CANH 9 10 CANH CANL AIR BAG SENSOR ASSEMBLY (UNDER LOWER BECU ALTB IG BLK WIRE BLU WIRE BRN WIRE CENTER CONSOLE) 8 9 5 6 11 12 2 3 CERTIFICATION ECU (BEHIND RIGHT DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DISPLAY, NAVIGATION MODULE DISPLAY DOOR 1 FUSE DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS LSFR BCTY CLTB CLTS CLTE ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) FFOG HEADLIGHTS SYSTEM HEAD TAIL FRCY LSWL TR+ ACTG ACT- ACT+ ACTD FSPT FUSE GRN WIRE GRY WIRE HCTY BZR DIM IND GSW HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS SUPPLEMENTAL RESTRAINTS SYSTEM HORN HORNS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) ECU-B FUSE HOT W/ ACC RELAY ENERGIZED INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LEFT FRONT POWER WINDOW REGULATOR MOTOR (DRIVER'S DOOR) LEFT REAR POWER WINDOW REGULATOR MOTOR (LEFT REAR DOOR) LIN LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT END OF DASH) MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY PKB FFGO TRLY HRLY PNK HU RCTY LSFL HF INTERIOR LIGHTS SYSTEM WIRE PNK LIN WIRE PNK PNK WIRE PNK WIRE POWER STEERING ECU (BEHIND LEFT SIDE OF DASH) PWS HAZ INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM RED WIRE RELAY ENERGIZED RIGHT FRONT POWER WINDOW REGULATOR MOTOR (FRONT PASSENGER'S DOOR) RIGHT REAR POWER WINDOW REGULATOR MOTOR (RIGHT REAR DOOR) SIDE OF DASH) SKID CONTROL ECU ASSEMBLY (BEHIND LEFT SIDE OF DASH) SLF+ CANL CANH DRL SLIDING ROOF CONTROL ECU (CENTER OF ROOF) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE W/ NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

10 9 TX- TX+ 21 22 13 14 CANH CANL 9 10 PNK WIRE A/C CONTROL ASSEMBLY (LEFT CENTER OF DASH) BLK WIRE BLU WIRE BRN WIRE CANN CANP COMBINATION METER ASSEMBLY DISPLAY, NAVIGATION MODULE DISPLAY ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) GRN WIRE INIT LIN LT GRN WIRE MULTI-DISPLAY MULTI-MEDIA INTERFACE ECU ASSEMBLY (UNDER CENTER CONSOLE) PNK PNK WIRE PNK WIRE PRST RED WIRE SKID CONTROL ECU (BEHIND LEFT SIDE OF DASH) TACH VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE YEL WIRE

A/C CONTROL ASSEMBLY AIR BAG SENSOR ASSEMBLY BRN WIRE CERTIFICATION ECU ASSEMBLY COMBINATION METER ASSEMBLY CONTROL CRUISE CONTROL MAIN SWITCH D DR UNLOCK D/L RELAY RELAY DCM (TELEMATICS TRANSCEIVER) DISPLAY, NAVIGATION MODULE DISPLAY DR UNLOCK BK/DR RELAY RELAY DRIVING SUPPORT ECU ASSEMBLY ENGINE WATER PUMP ASSEMBLY FROM FROM GROUND HAZARD WARNING SIGNAL SWITCH ASSEMBLY IGNITION COIL ASSEMBLY 3 IGNITION COIL ASSEMBLY 4 IGNITION IGNITION COIL COIL ASSEMBLY 2 ASSEMBLY 1 INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) RELAY J/B (DIAGRAM 3 OF 5) J/C MAIN BODY ECU MILLIMETER WAVE RADAR SENSOR ASSEMBLY MULTI MULTI DISPLAY DISPLAY SWITCH P/POINT RELAY POWER SWITCH PRE-COLLISION SYSTEM CANCEL SWITCH ASSEMBLY RADIO RECEIVER ASSEMBLY RELAY RELAY RELAY SEAT BELT CONTROL ECU SEAT HEATER SWITCH SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) ST-PLUG STEERING PAD SWITCH ASSEMBLY STEERING SENSOR TIRE PRESSURE WARNING ECU TIRE PRESSURE WARNING RESET SWITCH TOP OF ENGINE) TRANSMISSION SHIFT MAIN SWITCH W/ DYNAMIC RADAR CRUISE W/ NAVIGATION W/O NAVIGATION W/ STEREO COMPONENT AMPLIFIER W/O NAVIGATION, STEREO COMPONENT AMPLIFIER WHT/BLK 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)

1 2 3 4 +B 1 2 3 4 5 +B 1 2 3 4 5 6 7 USB USBG VOT+ USBV VOT- VOR- VOR+ 1 2 3 4 5 6 MI+ AGND ALI ANTENNA ARI ASGN AUXI BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY, NAVIGATION MODULE DISPLAY GPS ANTENNA GRN WIRE GRY WIRE GVIF IEEE IEEE CONNECTOR LT GRN WIRE MI+ MI- SLDO MO- MULTI-MEDIA MODULE NAVIGATION ASSEMBLY NCA WIRE NTSC RADIO RECEIVER ASSEMBLY RED WIRE SDARS ANTENNA SLD SLDI SUB ANTENNA TX- TX+ V+ CA+ V- CGND VIO WIRE VV+ NTSF VMTF VV- W/ BACK GUIDE MONITOR W/ HDD W/O BACK GUIDE MONITOR WHT WIRE WHT/BLK WIRE WUI WUO

AGND BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA DISPLAY, NAVIGATION MODULE DISPLAY DOOR LOCKS SYSTEM GRN WIRE GRY WIRE GRY/BLK WIRE INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LEFT FRONT SPEAKER ASSEMBLY 2 LEFT FRONT SPEAKER ASSEMBLY 3 LEFT STEERING PAD SWITCH LINES SYSTEM LINES SYSTEM COMPUTER DATA LT BLU WIRE LT GRN WIRE MACC MIN MODE NCA WIRE OFF HOOK ON HOOK PARKING BRAKE SWITCH (BASE OF PARKING BRAKE LEVER) PNK WIRE RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 2 RIGHT FRONT SPEAKER ASSEMBLY 3 RIGHT STEERING PAD SWITCH SECH SEEK SGND SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY SWG SYSTEM INTERIOR LIGHTS VA- VAL+ VAR+ VIO WIRE VOICE VOLUME- W/ LEXUS ENFORM OR SAFETY CONNECT W/O LEXUS ENFORM OR SAFETY CONNECT WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 +B 1 2 3 4 5 +B 1 2 3 4 5 6 7 USB USBG VOT+ USBV VOT- VOR- VOR+ 1 2 3 4 5 6 MI+ AGND ALI ANTENNA ARI ASGN AUXI BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DISPLAY, NAVIGATION MODULE DISPLAY GPS ANTENNA GRN WIRE GRY WIRE GVIF IEEE IEEE CONNECTOR LT GRN WIRE MI+ MI- SLDO MO- MULTI-MEDIA MODULE NAVIGATION ASSEMBLY NCA WIRE NTSC RADIO RECEIVER ASSEMBLY RED WIRE SDARS ANTENNA SLD SLDI SUB ANTENNA TX- TX+ V+ CA+ V- CGND VIO WIRE VV+ NTSF VMTF VV- W/ BACK GUIDE MONITOR W/ HDD W/O BACK GUIDE MONITOR WHT WIRE WHT/BLK WIRE WUI WUO

AGND BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA DISPLAY, NAVIGATION MODULE DISPLAY DOOR LOCKS SYSTEM GRN WIRE GRY WIRE GRY/BLK WIRE INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LEFT FRONT SPEAKER ASSEMBLY 2 LEFT FRONT SPEAKER ASSEMBLY 3 LEFT STEERING PAD SWITCH LINES SYSTEM LINES SYSTEM COMPUTER DATA LT BLU WIRE LT GRN WIRE MACC MIN MODE NCA WIRE OFF HOOK ON HOOK PARKING BRAKE SWITCH (BASE OF PARKING BRAKE LEVER) PNK WIRE RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 2 RIGHT FRONT SPEAKER ASSEMBLY 3 RIGHT STEERING PAD SWITCH SECH SEEK SGND SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY SWG SYSTEM INTERIOR LIGHTS VA- VAL+ VAR+ VIO WIRE VOICE VOLUME- W/ LEXUS ENFORM OR SAFETY CONNECT W/O LEXUS ENFORM OR SAFETY CONNECT WHT WIRE WHT/BLK WIRE YEL WIRE