Toyota Highlander III (2013-2016) a/c control assembly Wiring diagrams

1 2 3 4 5 6 7 8 ILL- 3.5L A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) A/C CONTROL ASSEMBLY A/C CONTROL ASSEMBLY 2 A/C FUSE A/C UNIT (A/C HARNESS ASSEMBLY) B+ BUS BLK WIRE BLU WIRE BLW FDFI BRN WIRE BUS - BUS G CANH CANL SG-2 GND COM CONNECTOR HOUSING COLOR (BLACK) CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (GREEN) CONNECTOR HOUSING COLOR (RED) WIRE DAMPER SERVO MOTOR (AIR INLET) DAMPER SERVO MOTOR (AIR MIX LEFT) DAMPER SERVO MOTOR (AIR MIX RIGHT) DAMPER SERVO MOTOR (MODE CONTROL) DEFOGGER SYSTEM ECE-IG FUSE FA (LEFT SIDE OF DASH) FB (UNDER FRONT OF CENTER CONSOLE) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) ILL+ IG+ GND LOCK PRE LT BLU WIRE LT GRN WIRE METER FUSE MGC PNK WIRE ORG/ WIRE PNK COMPUTER DATA LINES SYSTEM WIRE PNK HAZ WIRE PNK PNK WIRE PNK WIRE RDEF FDEF RED WIRE RLIN RLY SEATS SYSTEM SG-4 SGA TAM TEA THERMISTOR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 ILL- 18 19 20 21 22 23 PNK WIRE 3 2 PNK COMPUTER DATA LINES SYSTEM WIRE 8 9 PNK PNK PNK WIRE A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) A/C CONTROL ASSEMBLY A/C CONTROL ASSEMBLY 2 A/C FUSE A/C UNIT (A/C HARNESS ASSEMBLY) B+ BUS BLK WIRE BLU WIRE BLW FDFI SHIN BRN WIRE BUS - BUS G CANH CANL SG-2 GND COM CONNECTOR HOUSING COLOR (BLACK) CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (GREEN) CONNECTOR HOUSING COLOR (RED) WIRE DAMPER SERVO MOTOR (AIR INLET) DAMPER SERVO MOTOR (AIR MIX LEFT) DAMPER SERVO MOTOR (AIR MIX RIGHT) DAMPER SERVO MOTOR (MODE CONTROL) DEFOGGER SYSTEM DEFOGGER SYSTEM SEATS SYSTEM ECO MODE ECON TAM TFG TNG ECU-IG FUSE ENERGIZED INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) FA (LEFT SIDE OF DASH) FB (UNDER FRONT OF CENTER CONSOLE) FUSE GRN WIRE GRY WIRE HEATER SWITCH ASSEMBLY HOT AT ALL TIMES HOT W/ IDH RH TR ILL+ IG+ GND LT BLU WIRE LT GRN WIRE METER FUSE ORG/ WIRE PNK HAZ WIRE PNK WIRE PRE RDEF FDEF RED WIRE RLIN RLY SEATS SYSTEM SG-4 SG-5 SGA TEA THERMISTOR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 PNK WIRE 1 31 CAN- CAN+ 12 11 CANL CANH 13 22 YAW RATE CANH CANL SENSOR 25 14 2 12 CANH CANL 26 13 26 13 CANL CANH 3 2 CANH CANL 3.5L 5 6 CANL CANH 6 7 8 LIN CANH CANL 6 7 CAN+ CAN- A/C AMPLIFIER ASSEMBLY (BEHIND RIGHT SIDE OF DASH) A/C CONTROL ASSEMBLY A/C CONTROL ASSEMBLY 2 AIR BAG SENSOR ASSEMBLY (UNDER FRONT OF CENTER CONSOLE) BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (RIGHT REAR OF ENGINE COMPT) BRN WIRE CAN JUNCTION CONNECTOR 1 (LEFT CENTER OF DASH) CANH CANL TS CERTIFICATION ECU (W/ SMART KEY SYSTEM) (BEHIND RIGHT SIDE OF DASH) ECM (LEFT SIDE OF ENGINE COMPT) ECU-ACC FUSE FUSE GRN WIRE GRY WIRE HOT W/ ACC RELAY ENERGIZED INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) JUNCTION CONNECTOR 3 (LEFT CENTER OF DASH) JUNCTION CONNECTOR 4 (RIGHT SIDE OF DASH) LANE DEPARTURE WARNING CAMERA (IF EQUIPPED) (TOP CENTER OF WINDSHIELD) LIN LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE RLIN STEERING LOCK ACTUATOR ASSEMBLY (ON STEERING COLUMN) STEERING SENSOR (IN STEERING COLUMN) TACH TRANSMISSION CONTROL ECU ASSEMBLY (3.5L) (LEFT FRONT ENGINE COMPT) VIO WIRE WHT WIRE YEL WIRE

1 2 PNK WIRE 12 11 CANL CANH 13 22 CANH CANL 21 23 24 LIN CANH CANL 3 2 CANH CANL A/C AMPLIFIER ASSEMBLY (BEHIND RIGHT SIDE OF DASH) A/C CONTROL ASSEMBLY A/C CONTROL ASSEMBLY 2 AIR BAG SENSOR ASSEMBLY (UNDER FRONT OF CENTER CONSOLE) BLK WIRE BLU WIRE BRN WIRE CAN JUNCTION CONNECTOR 1 (LEFT CENTER OF DASH) CERTIFICATION ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE JUNCTION CONNECTOR 3 (LEFT SIDE OF DASH) LANE DEPARTURE WARNING CAMERA (IF EQUIPPED) (TOP CENTER OF WINDSHIELD) LIN LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT END OF DASH) RED WIRE RLIN STEERING SENSOR (IN STEERING COLUMN) VIO WIRE WHT WIRE YEL WIRE

2 31 25 14 22 STP STPO CANH CANL A/C CONTROL ASSEMBLY BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (RIGHT REAR OF ENGINE COMPT) BRN WIRE COMBINATION METER COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) EXCEPT HYBRID EXCEPT HYBRID, W/ DYNAMIC RADAR CRUISE CONTROL, DOWNHILL ASSIST CONTROL FB (UNDER FRONT OF CENTER CONSOLE) FD (LEFT CENTER OF DASH) TAIL FLASHER CIRCUIT GRN WIRE GRY WIRE HOT AT ALL TIMES I/F CAN I/F IG 2 FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 1 LEFT CENTER OF DASH) J/C 7 (RIGHT CENTER OF DASH) LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT REAR LIGHT ASSEMBLY LEFT RIGHT TURN TURN IND IND LT BLU WIRE METER FUSE MPX-B 1 FUSE ORG/ WIRE PNK HAZ HAZARD SWITCH GND WIRE PNK WIRE PPL PPL/YEL WIRE RED WIRE RELAY ENERGIZED RIGHT LICENSE PLATE LIGHT ASSEMBLY RIGHT REAR LIGHT ASSEMBLY SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) SPEAKER STOP FUSE STOP- LIGHT SWITCH (ABOVE BRAKE PEDAL) TAIL VIO WIRE W/O DYNAMIC RADAR CRUISE CONTROL HYBRID WHT WIRE WHT/BLK WIRE XA (LEFT SIDE OF BACK DOOR) YEL WIRE

2.7L, W/O MEMORY A/C AMPLIFIER ASSEMBLY (BEHIND RIGHT SIDE OF DASH) A/C CONTROL ASSEMBLY BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DIODE (MIRROR HEATER) (LEFT SIDE OF DASH) DOOR GLASS) ECU-IG FUSE ENGINE COMPT) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF EXCEPT HYBRID W/0 GLASS HATCH OPENER FB (UNDER FRONT OF CENTER CONSOLE) FUSE GND REAR WINDOW DEFOGGER IG+ SWITCH LIN 1 GRY WIRE HOT AT ALL TIMES HYBRID, EXCEPT HYBRID W/ GLASS HATCH OPENER IDLE UP FUSE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 4 (RIGHT SIDE OF DASH) LIN 1 LT BLU WIRE MC (LEFT REAR QUARTERPANEL) MIR HTR FUSE NOISE FILTER (REAR WINDOW DEFOGGER, CENTER STOP LIGHT) (BASE OF LEFT "D" PILLAR) ORG/ WIRE PNK WIRE RDEF REAR WINDOW DEFOGGER (BACK RELAY ENERGIZED SEMICONDUCTOR IGN POWER INTEGRATION ECU RDEF DEFS VIO WIRE WHT WIRE WHT/BLK WIRE

1 2 3 4 5 6 7 8 9 10 CTLB CTLS CTLA TRNL 1 2 3 4 TTLS TTRS 14 13 CANH CANL 31 25 14 STPO CANH CANL A/C CONTROL ASSEMBLY BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (RIGHT REAR OF ENGINE COMPT) BRN WIRE CAN I/F COMBINATION METER COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CTRS DC/DC FUSE ALT FUSE ENGINE ROOM ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) EXCEPT HYBRID FB (UNDER FRONT OF CENTER CONSOLE) FD (LEFT CENTER OF DASH) FLASHER CIRCUIT FUSE GRN WIRE GRY WIRE HAZ FUSE TAIL FUSE HOT AT ALL TIMES HOT W/ INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 1 (LEFT SIDE OF DASH) J/C 9 (LEFT CENTER OF DASH) LEFT LEFT TURN IND LT BLU WIRE MAIN BODY ECU (ON INSTRUMENT PANEL J/B) MB (LEFT "C" PILLAR) OPTION CONNECTOR (TOWING CONVERTER) (UNDER CENTER REAR OF VEHICLE) PNK HAZ HAZARD SWITCH GND WIRE PNK WIRE PPL R/B (LEFT SIDE OF ENGINE COMPT) RED WIRE RIGHT RIGHT TURN IND SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) STOP FUSE STOP- LIGHT SWITCH (ABOVE BRAKE PEDAL) TAIL RELAY TOWING FUSE TRNR TTLA OPTION CONNECTOR (TRAILER SOCKET) (UNDER CENTER REAR OF VEHICLE) TURN SIGNAL SWITCH HEADLIGHT DIMMER SWITCH ASSEMBLY VIO WIRE W/O DYNAMIC RADAR CRUISE CONTROL HYBRID WHT WIRE WHT/BLK WIRE YEL WIRE