Lexus CT I (2010-2014) (left side of center console) Wiring diagrams

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

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

BBI+ BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM GPS ANTENNA GRN WIRE GRY WIRE GSW INSTRUMENT CLUSTER SYSTEM LT GRN WIRE MCI- MCO- MCVD MULTI-MEDIA INTERFACE ECU ASSEMBLY (UNDER CENTER CONSOLE) MUTE NCA WIRE PNK WIRE RED WIRE SGND SIG SIL SPDP SPI+ SPO- STEREO JACK ADAPTER ASSEMBLY 1 TELEPHONE ANTENNA ULO+ URO+ USB USBG USBV VIO WIRE VOR- VOT+ WHT WIRE WHT/BLK WIRE

BACKUP BATTERY (MAYDAY BATTERY) BBO- BLK WIRE BLU WIRE BRN WIRE CB+ CGND COMPUTER DATA LINES SYSTEM PNK WIRE CV+ GRN WIRE GRY WIRE GVIF HOT IN ON OR START ECU-IG 2 FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LT GRN WIRE MACC MAP LIGHT ASSEMBLY MCO- MICROPHONE, MICROPHONE AMPLIFIER NCA WIRE ORG/ WIRE PARKING ASSIST ECU (W/ BACK GUIDE MONITOR) (BEHIND RIGHT SIDE OF DASH) PNK WIRE REAR TELEVISION CAMERA ASSEMBLY RED WIRE SOS SWITCH VIO WIRE W/ BACK GUIDE MONITOR W/ LEXUS ENFORM W/O BACK GUIDE MONITOR W/O LEXUS ENFORM WHT WIRE WHT/BLK WIRE

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

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

BBI+ BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRY WIRE GRY/BLK WIRE GSW INSTRUMENT CLUSTER SYSTEM LEFT STEERING PAD SWITCH LT GRN WIRE MCI- MCO- MCVD MODE MUTE NCA WIRE OFF HOOK ON HOOK PNK WIRE RED WIRE RIGHT STEERING PAD SWITCH SEEK SGND SIG SIL SPDP SPI+ SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) SPO- STEERING PAD SWITCH ASSEMBLY SUPPLEMENTAL RESTRAINTS SYSTEM TELEPHONE ANTENNA VIO WIRE VOICE VOLUME- W/ SAFETY CONNECT W/O SAFETY CONNECT WHT WIRE WHT/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 MUTE L- L+ R- R+ AMP 1 FUSE AMP 2 FUSE ATX- B+ GND BLK WIRE BLU WIRE BOX SPEAKER ASSEMBLY 1 BRN WIRE COMPUTER DATA LINES SYSTEM 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 MUTE NCA WIRE PNK ML+ MR+ WIRE PNK WIRE RADIO RECEIVER ASSEMBLY RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 1 RIGHT REAR SPEAKER ASSEMBLY 1 RIGHT REAR SPEAKER ASSEMBLY 2 SLD STEREO COMPONENT AMPLIFIER ASSEMBLY (BELOW RIGHT FRONT SEAT) TMUT TX- TX+ VIO WIRE W/ LEXUS ENFORM W/O LEXUS ENFORM WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 RR+ RL+ RR- ADIM MACC MIN+ AGND AUXI ARI ASGN ALI BLK WIRE BLU WIRE BRN WIRE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FR+ FL+ PNK WIRE FR- FL- GND MUTE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B IGN FUSE (BEHIND LEFT END OF DASH) ILL- RL- INSTRUMENT CLUSTER SYSTEM LEFT FRONT SPEAKER ASSEMBLY 1 LEFT FRONT SPEAKER ASSEMBLY 2 LEFT REAR SPEAKER ASSEMBLY 1 LI+ LIN LOUT LT GRN WIRE MAYDAY FUSE NCA WIRE PNK WIRE R(IN) RAD 1 FUSE RAD 2 FUSE RADIO RECEIVER ASSEMBLY RADIO SETTING CONDENSER RED WIRE RI+ RIGHT FRONT SPEAKER ASSEMBLY 1 RIGHT FRONT STEREO JACK SPEAKER ADAPTER ASSEMBLY 1 ASSEMBLY 2 RIGHT REAR SPEAKER ASSEMBLY 1 ROUT SDARS ANTENNA MAIN ANTENNA SPD SGND MIN- SUB ANTENNA SWG VIO WIRE W/ SAFETY CONNECT W/O SAFETY CONNECT WHT WIRE WHT/BLK WIRE YEL WIRE

BBI+ BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM GRN WIRE GRY WIRE GSW INSTRUMENT CLUSTER SYSTEM LT GRN WIRE MCI- MCO- MCVD MUTE NCA WIRE PNK WIRE RED WIRE SGND SIG SIL SPDP SPI+ SPO- SUPPLEMENTAL RESTRAINTS SYSTEM TELEPHONE ANTENNA VIO WIRE W/ SAFETY CONNECT W/O SAFETY CONNECT WHT WIRE WHT/BLK WIRE