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

1 2 3 4 5 6 7 8 9 10 11 12 CSLD CDR+ CDR- CDL+ CDL- MUTE GND ARI ASGN ALI AGND AUXI ADIM BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) 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) INSTRUMENT CLUSTER SYSTEM IVO+ IVO- LT GRN WIRE MAIN ANTENNA MAYDAY FUSE MIN+ MACC MIN- SGND MULTI-MEDIA INTERFACE ECU ASSEMBLY (UNDER CENTER CONSOLE) NCA WIRE RAD 1 FUSE RAD 2 FUSE RADIO RECEIVER ASSEMBLY RED WIRE SDARS ANTENNA STEREO JACK ADAPTER ASSEMBLY 1 SUB ANTENNA SWG TXM- TXM+ ULO+ URO+ VIO WIRE WHT WIRE YEL 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

12 11 LBE- LBE+ 13 12 FSR- FSR+ 13 14 CANL CANH 22 13 CANL CANH 32 31 PNK CANH CANL COMPUTER DATA LINES SYSTEM WIRE 5 9 8 4 PNK WIRE AIR BAG SENSOR ASSEMBLY (UNDER LOWER CENTER CONSOLE) BGND BSW FSR+ FSR- BLK WIRE BLU WIRE BRAKE LEVER) BRN WIRE BUCKLE SWITCH LEFT FRONT SEAT INNER BELT ASSEMBLY (UNDER DRIVER'S SEAT) BUZZER COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-B FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES HOT IN ON OR START IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LEFT FRONT DOOR COURTESY LIGHT SWITCH LT GRN WIRE MAIN BODY ECU MET FUSE OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) PARKING BRAKE SWITCH (BASE OF PARKING PNK WIRE RED WIRE SEAT BELT IND VIO WIRE WHT WIRE WHT/BLK WIRE

4 5 6 7 8 9 10 11 12 FSR- BGND BLK WIRE BLU WIRE BRN WIRE CAN L CAN H EP CAN P CAN-N COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DIA ECU-B FUSE ECU-IG 2 FUSE OF DASH) END OF DASH) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FRONT IN WEIGHT DETECTOR SENSOR SUB ASSEMBLY FRONT OUT WEIGHT DETECTOR SENSOR SUB ASSEMBLY FSR+ BSW GRN WIRE GRY WIRE GSW HOT AT ALL TIMES HOT IN ON OR START IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT INSTRUMENT PANEL J/B (BEHIND LEFT END LT BLU WIRE LT GRN WIRE MAIN BODY ECU MET FUSE OCCUPANT DETECTION ECU (UNDER FRONT ORG/ WIRE PASSENGER'S SEAT) PNK WIRE REAR IN WEIGHT DETECTOR SENSOR SUB-ASSEMBLY REAR OUT WEIGHT DETECTOR SENSOR SUB-ASSEMBLY RED WIRE SRS IND VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+BWP 12 11 9 10 8 7 13 1 2 3 4 6 5 GRFG GRF GCSG GCS GSNG GSN PNK WIRE 22 28 PCON PPOS 6 23 18 19 26 34 35 27 MREL STP ACCELERATOR PEDAL SENSOR (ON ACCELERATOR PEDAL ASSEMBLY) AMD BLK WIRE BLU WIRE BRN WIRE COMBINATION SWITCH ASSEMBLY DC/DC FUSE DC/DC-S FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) EV MODE EVSW FUSE GCS GCSG GRF GRFG GRN WIRE GRY WIRE GSN GSNG HOT AT ALL TIMES IGCT 2 FUSE IGCT 3 FUSE IGCT FUSE IGCT RELAY INVERTER ASSEMBLY W/ CONVERTER LT GRN WIRE MCS MOTOR GENERATOR 1 (LEFT FRONT OF ENGINE COMPT) MOTOR GENERATOR 2 (LEFT FRONT OF ENGINE COMPT) MRF MRF MRFG MSN MSNG MCS MSCG MRFG MSCG MSN MSNG ORG/ WIRE PCU FUSE PNK WIRE POWER MANAGEMENT CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE