Lexus IS III (2013-2016) j/c 4 (left side of engine compt) Wiring diagrams

+ECU 2 3 PNK WIRE BLK WIRE BLU WIRE BRN WIRE DIODE (A/T SHIFT) (BEHIND LEFT SIDE OF DASH) FA (TOP REAR OF ENGINE) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IG+ PNK WIRE ILL ILL INSTRUMENT PANEL J/B (LEFT END OF DASH) J/C 1 (LEFT SIDE OF ENGINE COMPT) J/C 4 (LEFT SIDE OF ENGINE COMPT) J/C 5 (LEFT SIDE OF ENGINE COMPT) KA (LEFT KICK PANEL) LEFT PADDLE LT GRN WIRE ORG/ WIRE PAD SWITCH PARK/NEUTRAL POSITION SWITCH ASSEMBLY (RIGHT SIDE OF TRANSMISSION) PNK WIRE RED WIRE RELAY RELAY ENERGIZED RIGHT STEERING SDN SFTD PNK WIRE SFTU SHIFT POSITION INDICATOR SHIFT SWITCH SHIFT SWITCH RIGHT PADDLE SPRIAL CABLE W/ SUB-ASSEMBLY (UNDER STEERING WHEEL) ECC STARTING/ CHARGING SYSTEM STEERING PAD SWITCH ASSEMBLY SUP SWITCH WIRE 1 TRANSMISSION CONTROL SWITCH (BASE OF SELECTOR LEVER) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

29 20 23 28 21 22 VPA EPA VCPA 3 7 24 MREL BATT SPD 35 27 34 26 7 6 19 ETA 5 6 PNK WIRE 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 BATT ACCELERATOR PEDAL SENSOR ASSEMBLY (UNDER LEFT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE CAN (+) COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM ECM (LEFT FRONT OF ENGINE COMPT) EFI MAIN FUSE EFI MAIN RELAY ENGINE COMPT) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) FA (LEFT SIDE ENGINE) FA (TOP REAR OF ENGINE) FUSE GRN WIRE GROUND J/C 1 (LEFT REAR OF ENGINE COMPT) GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM J/C 2 (LEFT SIDE OF ENGINE COMPT) J/C 4 (LEFT SIDE OF ENGINE COMPT) KA (LEFT KICK PANEL) PNK SNSW WIRE PNK SNWI SFTU SFTD CANH CANL WIRE PNK WIRE RED WIRE RELAY ENERGIZED SHIELD SNOW MODE SWITCH STARTING/CHARGING SYSTEM STOP FUSE STOP LIGHT SWITCH ASSEMBLY (LEFT SIDE OF DASH) THROTTLE BODY W/ MOTOR ASSEMBLY (RIGHT REAR OF ENGINE) TRANSMISSION CONTROL ECU ASSEMBLY (LEFT FRONT OF ENGINE COMPT) VCTA VTA M+ M- VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+ECU 5 6 PNK WIRE BLK WIRE BLU WIRE BRN WIRE DIODE (A/T SHIFT) (BEHIND LEFT SIDE OF DASH) FA (LEFT REAR OF ENGINE) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IG+ PNK WIRE ILL ILL INSTRUMENT PANEL J/B (LEFT END OF DASH) J/C 1 (LEFT SIDE OF ENGINE COMPT) J/C 4 (LEFT SIDE OF ENGINE COMPT) J/C 5 (LEFT SIDE OF ENGINE COMPT) KA (LEFT KICK PANEL) LEFT PADDLE LT GRN WIRE ORG/ WIRE PAD SWITCH PARK/NEUTRAL POSITION SWITCH ASSEMBLY (RIGHT SIDE OF TRANSMISSION) PNK WIRE RED WIRE RELAY RELAY ENERGIZED RIGHT STEERING SDN SFTD PNK WIRE SFTU SHIFT POSITION INDICATOR SHIFT SWITCH SHIFT SWITCH RIGHT PADDLE SPIRAL CABLE W/ SUB-ASSEMBLY ECC (UNDER STEERING WHEEL) STARTING/ CHARGING SYSTEM STEERING PAD SWITCH ASSEMBLY SUP SWITCH WIRE 1 TRANSMISSION CONTROL SWITCH (BASE OF SELECTOR LEVER) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

3.5L, 2.5L AA (RIGHT FRONT OF ENGINE COMPT) AD (RIGHT FRONT OF ENGINE COMPT) AIR FUEL RATIO SENSOR 2 (BANK 2 SENSOR 1) SHIELD BRAKE ACTUATOR ASSEMBLY BRN WIRE CANISTER PUMP MODULE COOLING FAN ECU CRANK POSITION SENSOR SHIELD CRUISE STEERING PAD CONTROL SWITCH SWITCH ASSEMBLY WIRE DATA LINK CONNECTOR 3 ENGINE OIL IGNITION LEVEL COIL ASSEMBLY 5 SENSOR FA (LEFT REAR OF ENGINE) FB (RIGHT REAR OF ENGINE COMPT) FUEL INJECTOR ASSEMBLY 1 (DIRECT INJECTION) SHIELD FUEL INJECTOR ASSEMBLY 2 (DIRECT INJECTION) SHIELD FUEL INJECTOR ASSEMBLY 3 (DIRECT INJECTION) SHIELD FUEL INJECTOR ASSEMBLY 4 (DIRECT INJECTION) SHIELD FUEL INJECTOR ASSEMBLY 5 (DIRECT INJECTION) SHIELD FUEL INJECTOR ASSEMBLY 6 (DIRECT INJECTION) SHIELD FUEL PUMP ASSEMBLY SHIELD IGNITION IGNITION COIL COIL ASSEMBLY 1 ASSEMBLY 3 INJECTOR DRIVER SHIELD J/C 4 (LEFT SIDE OF ENGINE COMPT) JA (RIGHT FRONT OF ENGINE) LEFT HEADLIGHT ASSEMBLY OXYGEN OXYGEN SENSOR SENSOR 2 (BANK 1 (BANK 2 SENSOR 2) SENSOR 2) SHIELD SHIELD RIGHT HEADLIGHT ASSEMBLY SHIELD SPIRAL CABLE W/ SENSOR SUB ASSEMBLY (STEERING COLUMN) TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) VA (RIGHT FRONT OF ENGINE) WHT WIRE WHT/BLK WIRE

+ECU 1 2 3 4 5 6 7 8 9 10 FR+ FL+ 1 2 GVIF GVIF ACC RELAY ADPG AGND BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DIODE (PARK/NEUTRAL POSITION SWITCH ASSEMBLY) (BEHIND LEFT SIDE OF DASH) FUSE GPS ANTENNA GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT END OF DASH) J/C 1 (LEFT SIDE OF ENGINE COMPT) J/C 4 (LEFT SIDE OF ENGINE COMPT) KC (RIGHT KICK PANEL) LT BLU WIRE MAIN ANTENNA NCA WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (RIGHT SIDE OF TRANSMISSION) PNK 6 7 WIRE PNK 9 8 7 ACCD CANL CANH WIRE PNK WIRE RADIO FUSE RADIO RECEIVER ASSEMBLY RED WIRE RELAY ENERGIZED SHIELD SHIELD PNK AGND VV+ VAR+ VAL+ WIRE SHIELD SG VV- VA- ADPG STEREO JACK ADAPTER ASSEMBLY 1 SUB ANTENNA VA- VAL+ VAR+ VIO WIRE VV- WHT WIRE WHT/BLK WIRE

+ECU 1 2 3 4 5 6 7 8 9 10 FR+ FL+ 1 2 GVIF GVIF ACC RELAY ADPG AGND BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DIODE (PARK/NEUTRAL POSITION SWITCH ASSEMBLY) (BEHIND LEFT SIDE OF DASH) FUSE GPS ANTENNA GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT END OF DASH) J/C 1 (LEFT SIDE OF ENGINE COMPT) J/C 4 (LEFT SIDE OF ENGINE COMPT) KC (RIGHT KICK PANEL) LT BLU WIRE MAIN ANTENNA NCA WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (RIGHT SIDE OF TRANSMISSION) PNK 6 7 WIRE PNK 9 8 7 ACCD CANL CANH WIRE PNK WIRE RADIO FUSE RADIO RECEIVER ASSEMBLY RED WIRE RELAY ENERGIZED SHIELD SHIELD PNK AGND VV+ VAR+ VAL+ WIRE SHIELD SG VV- VA- ADPG STEREO JACK ADAPTER ASSEMBLY 1 SUB ANTENNA VA- VAL+ VAR+ VIO WIRE VV- WHT WIRE WHT/BLK WIRE

15 SPEAKER 8 SPEAKER 2 3 4 5 6 7 8 9 PNK WIRE BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRN WIRE CAN I/F CANN CANP COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVER DISPLAY J/C 4 (LEFT SIDE OF ENGINE COMPT) KC (RIGHT KICK PANEL) LCD TELLTALES DRIVER LT BLU WIRE LT GRN WIRE MACC MAP LIGHT ASSEMBLY MCI- MCO- MCVD MICROPHONE MSCH MSCL MUTE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY (RIGHT SIDE OF TRANSMISSION) PNK WIRE RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 2 SGND SHIELD SHIELD 10 11 SPEAKER SPI+ SPO- VIO WIRE W/ LEXUS ENFORM, SAFETY CONNECT W/O LEXUS ENFORM, SAFETY CONNECT WHT WIRE

13 14 CANL CANH 29 30 CANH CANL BLK WIRE BLU WIRE BRN WIRE CAN I/F CLEARANCE WARNING BUZZER 1 (LEFT SIDE OF DASH) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DIODE (PARK/NEUTRAL POSITION SWITCH ASSEMBLY) (BEHIND LEFT SIDE OF DASH) DISPLAY DRIVER ECM (LEFT FRONT OF ENGINE COMPT) ECU-ACC FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT END OF DASH) J/C 1 (LEFT SIDE OF ENGINE COMPT) J/C 4 (LEFT SIDE OF ENGINE COMPT) KC (RIGHT KICK PANEL) LED DRIVER LEFT REAR CENTER ULTRASONIC SENSOR 1 (LEFT CENTER OF REAR BUMPER) LT GRN WIRE METER FUSE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (RIGHT SIDE OF TRANSMISSION) RED WIRE RELAY RELAY ENERGIZED RIGHT FRONT ULTRASONIC SENSOR 1 (BEHIND RIGHT CORNER OF FRONT BUMPER) TELLTALES VIO WIRE

BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DIODE (PARK/NEUTRAL POSITION SWITCH ASSEMBLY) (BEHIND LEFT SIDE OF DASH) ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) ECU-B FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ INSTRUMENT PANEL J/B (LEFT END OF DASH) J/C 1 (LEFT SIDE OF ENGINE COMPT) J/C 4 (LEFT SIDE OF ENGINE COMPT) KA (LEFT KICK PANEL) KC (RIGHT KICK PANEL) LT BLU WIRE MAIN BODY ECU ORG/ WIRE PARK/ NEUTRAL POSITION QA (LEFT "B" PILLAR) REAR SUNSHADE RELAY (REAR WINDOW SHADE ASSEMBLY) REAR SUNSHADE SWITCH ASSEMBLY RED WIRE REV SHADE RR FUSE SWITCH (RIGHT SIDE OF TRANSMISSION) WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE ENGINE) JA FA (LEFT REAR OF ENGINE) FP- FPD + FUEL INJECTOR ASSEMBLY 1 (FOR DIRECT INJECTION) FUEL INJECTOR ASSEMBLY 3 (FOR DIRECT INJECTION) FUEL INJECTOR ASSEMBLY 5 (FOR DIRECT INJECTION) GRN WIRE GRY WIRE INSTRUMENT PANEL J/B (LEFT END OF DASH) J/C 4 (LEFT SIDE OF ENGINE COMPT) KNOCK CONTROL SENSOR (BANK 1) (TOP RIGHT SIDE OF ENGINE) KNOCK CONTROL SENSOR (BANK 2) LT GRN WIRE PNK WIRE RED WIRE SHIELD SHIELD 21 22 23 TRANSMISSION REVOLUTION SENSOR (TURBINE) (REAR OF TRANSMISSION) VIO WIRE WHT WIRE YEL WIRE