Toyota Highlander I (2001-2003) red Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ILL- ILL- GND SG TEST 4 5 6 1 HI A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) AIR INLET CONTROL SERVO MOTOR (BEHIND UPPER CENTER OF DASH) AIR MIX CONTROL SERVO MOTOR (BEHIND CENTER OF DASH) AIR VENT MODE CONTROL SERVO MOTOR (BEHIND LEFT CENTER OF DASH) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER CONTROL SWITCH BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLOWER RESISTOR (BEHIND RIGHT SIDE OF DASH) BLU WIRE BLU/RED WIRE BRN/WHT WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) CONTROL PANEL ECU-B FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) EVAPORATOR TEMPERATURE SENSOR (BEHIND RIGHT SIDE OF DASH) FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) GND B+ GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HEATER FUSE HEATER RELAY (RIGHT OF INSTRUMENT PANEL J/B) HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IA (LEFT KICK PANEL) IB (RIGHT INSTRUMENT PANEL BRACE) IC (RIGHT KICK PANEL) ILL+ ILL+ IG INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) HEATER FUSE J/C 5 (LEFT SIDE OF DASH, BEHIND CLUSTER) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MPX MR/F AIR AIF HR ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK SG MPX+ WIRE PNK WIRE PNK/BLU WIRE RADIO 2 FUSE RED WIRE RED/BLK WIRE SG-1 AMC AMH STX CLK DPD SWD TE TPO AOD AOF SS TP WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

A/C MAGNETIC CLUTCH, LOCK SENSOR (ON A/C COMP- RESSOR) A/C TRIPLE PRESSURE SWITCH (ON RIGHT FRONT OF ENGINE COMPARTMENT) ACMG BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU (BEHIND RIGHT SIDE OF DASH) BRN WIRE CDS FUSE COMBINATION METER CONDENSER FAN MOTOR (BEHIND RADIATOR) DUAL EE (ON INTAKE SIDE OF CYLINDER BLOCK) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPARTMENT) FAN FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES J/C 4 (ON RIGHT SIDE OF ENGINE COMPARTMENT) J/C 7 (BEHIND RIGHT SIDE OF DASH) MG CLT RELAY MPX PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) POWER WINDOW MASTER SWITCH WITH ECU PRE RADIATOR FAN MOTOR (BEHIND RADIATOR) RDI FUSE RED WIRE RED/BLU WIRE RED/YEL WIRE SINGLE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ILL- ILL- GND SG A/C AMBIENT TEMPERATURE SENSOR (ON FRONT CENTER OF GRILLE) A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) A/C SOLAR SENSOR (ON UPPER LEFT SIDE OF DASH) AIR INLET CONTROL SERVO MOTOR (BEHIND UPPER CENTER OF DASH) AIR MIX CONTROL SERVO MOTOR (BEHIND CENTER OF DASH) AIR VENT MODE CONTROL SERVO MOTOR (BEHIND LEFT CENTER OF DASH) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLW BRN/WHT WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) CONTROL PANEL ECU-B FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) EVAPORATOR TEMPERATURE SENSOR (BEHIND RIGHT SIDE OF DASH) FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) GND B+ GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HEATER FUSE HEATER RELAY (RIGHT OF INSTRUMENT PANEL J/B) HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IA (LEFT KICK PANEL) IB (RIGHT INSTRUMENT PANEL BRACE) IC (RIGHT KICK PANEL) ILL+ ILL+ IG INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) HEATER FUSE J/C 5 (LEFT SIDE OF DASH, BEHIND CLUSTER) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MPX MR/F AIR AIF HR ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK SG MPX+ SG-3 TR TE TPO AOD AOF WIRE PNK WIRE PNK/BLU WIRE RADIO 2 FUSE RED WIRE RED/BLK WIRE ROOM TEMPERATURE SENSOR (BEHIND CENTER OF DASH) SG-1 AMC AMH SG-5 TAM ILL- STX CLK DPD SWD WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

A/C MAGNETIC CLUTCH, LOCK SENSOR (ON A/C COMP- RESSOR) A/C TRIPLE PRESSURE SWITCH (ON RIGHT FRONT OF ENGINE COMPARTMENT) ACMG BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU (BEHIND RIGHT SIDE OF DASH) BRN WIRE COMBINATION METER CONDENSER FAN MOTOR (BEHIND RADIATOR) COOLING FAN DIODE (BEHIND LEFT SIDE OF DASH) DUAL ED (REAR SIDE OF SURGE TANK) EG (UNDER LEFT HEADLIGHT) EH (UNDER LEFT HEADLIGHT) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPARTMENT) FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES J/C 2 (UNDER LEFT HEADLIGHT) J/C 4 (ON RIGHT SIDE OF ENGINE COMPARTMENT) J/C 7 (BEHIND RIGHT SIDE OF DASH) MG CLT RELAY MPX PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) POWER WINDOW MASTER SWITCH WITH ECU PRE RADIATOR FAN MOTOR (BEHIND RADIATOR) RDI FUSE CDS FUSE RED WIRE RED/BLU WIRE RED/YEL WIRE SINGLE WATER TEMPERATURE SWITCH 1 (AT RIGHT FRONT OF ENGINE COMPARTMENT, BEHIND GRILLE) WATER TEMPERATURE SWITCH 2 (ON REAR CENTER OF ENGINE) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 ILL- ILL- GND SG TEST 4 5 6 1 HI A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) AIR INLET CONTROL SERVO MOTOR (BEHIND UPPER CENTER OF DASH) AIR MIX CONTROL SERVO MOTOR (BEHIND CENTER OF DASH) AIR VENT MODE CONTROL SERVO MOTOR (BEHIND LEFT CENTER OF DASH) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER CONTROL SWITCH BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLOWER RESISTOR (BEHIND RIGHT SIDE OF DASH) BLU WIRE BLU/RED WIRE BRN/WHT WIRE CENTER J/B (BEHIND UPPER RIGHT SIDE OF DASH) CONTROL PANEL ECU-B FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) EVAPORATOR TEMPERATURE SENSOR (BEHIND RIGHT SIDE OF DASH) FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) GND B+ GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HEATER FUSE HEATER RELAY (RIGHT SIDE OF INSTRUMENT PANEL J/B) HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IA (LEFT KICK PANEL) IB (RIGHT INSTRUMENT PANEL BRACE) IC (RIGHT KICK PANEL) ILL+ ILL+ IG INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 5 (LEFT SIDE OF DASH, BEHIND CLUSTER) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MPX MR/F AIR AIF HR ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK SG MPX+ WIRE PNK WIRE PNK/BLU WIRE RADIO 2 FUSE RED WIRE RED/BLK WIRE SG-1 AMC AMH STX CLK DPD SWD TE TPO AOD AOF SS TP WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

A/C MAGNETIC CLUTCH, LOCK SENSOR (ON A/C COMP- RESSOR) A/C TRIPLE PRESSURE SWITCH (ON RIGHT FRONT OF ENGINE COMPARTMENT) ACMG BLK WIRE BLK/ WHT WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU (BEHIND RIGHT SIDE OF DASH) BRN WIRE COMBINATION METER CONDENSER FAN MOTOR (BEHIND RADIATOR) COOLING FAN DIODE (BEHIND LEFT SIDE OF DASH) DUAL ED (REAR SIDE OF SURGE TANK) EG (UNDER LEFT HEADLIGHT) EH (UNDER LEFT HEADLIGHT) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPARTMENT) FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES J/C 2 (UNDER LEFT HEADLIGHT) J/C 4 (ON RIGHT SIDE OF ENGINE COMPARTMENT) J/C 7 (BEHIND RIGHT SIDE OF DASH) MG CLT RELAY MPX PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) POWER WINDOW MASTER SWITCH WITH ECU PRE RADIATOR FAN MOTOR (BEHIND RADIATOR) RDI FUSE CDS FUSE RED WIRE RED/BLU WIRE RED/YEL WIRE SINGLE WATER TEMPERATURE SWITCH 1 (AT RIGHT FRONT OF ENGINE COMPARTMENT, BEHIND GRILLE) WATER TEMPERATURE SWITCH 2 (ON REAR CENTER OF ENGINE) WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 SFLR SFLH PNK WIRE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 RR+ RR- RL+ RL- BRL PKB ABS 1 FUSE ABS 2 FUSE ABS MTR RELAY ABS SOL RELAY AST SR MRF AUTOMATIC TRANSMISSION SYSTEM BLK WIRE BLK/ORG WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE D/G DATA LINK CONNECTOR 3 (UNDER LEFT SIDE OF DASH) ECU-IG FUSE ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN RUN AND START INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 2 (UNDER LEFT HEADLIGHT) J/C 6 (LEFT SIDE OF DASH, BEHIND INSTRUMENT CLUSTER) LBL LEFT FRONT ABS SPEED SENSOR LEFT REAR ABS SPEED SENSOR LT GRN WIRE LT GRN/BLK WIRE MT MR ORG/ WIRE PARKING BRAKE SWITCH (ON BASE OF PARK BRAKE LEVER) PASSENGERS SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK WIRE PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT ABS SPEED SENSOR RIGHT REAR ABS SPEED SENSOR SIL SKID CONTROL ECU (ABOVE INSTRUMENT PANEL J/B) SRRR SRRH TS TC WA VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

+BI 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 WA ABS ABS 1 FUSE ABS 2 FUSE ABS R/B (ON LEFT REAR OF ENGINE COMPT) ABS SOL RELAY BLK WIRE BLK/ORG WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE WARNING SWITCH (ON MASTER CYLINDER ASSEMBLY) BRAKE/ BRL ENG+ TS TRC+ BRN WIRE BRN/WHT WIRE COMBINATION METER DATA LINK CONNECTOR 3 (UNDER LEFT SIDE OF DASH) ENG- TC TRC- PKB RL+ RL- +BO ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) FL- FL+ FR+ FR- FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN RUN AND START IGN FUSE INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 4 (RIGHT SIDE OF ENGINE COMPARTMENT) J/C 6 (LEFT SIDE OF DASH, BEHIND INSTRUMENT CLUSTER) LBL LEFT FRONT ABS SPEED SENSOR LEFT REAR ABS SPEED SENSOR LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE ORG/ WIRE PARKING BRAKE SWITCH (ON BASE OF PARK BRAKE LEVER) PASSENGERS SIDE J/B PASSENGERS SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK 10 11 WIRE PNK PNK WIRE PNK SFLH SFLR SRRH SRRR SR WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT ABS SPEED SENSOR RIGHT REAR ABS SPEED SENSOR SIL SKID CONTROL ECU (ABOVE INSTRUMENT PANEL J/B) SKID CONTROL RELAY SLIP STP WT BZ IND TRAC OFF VIO WIRE VSC VSCW RR- RR+ WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

11 12 PNK WIRE 2.4L 3.0L 1 2 ABS 3 FUSE BLK WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE ACTUATOR (LEFT REAR OF ENGINE COMPARTMENT) BRN/WHT WIRE ECU-B FUSE EH (UNDER LEFT HEADLIGHT) ENG ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPARTMENT) ENGINE ROOM R/B GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLU WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) MASTER CYLINDER PRESSURE SENSOR NEO PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK 10 11 WIRE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SHIELD 13 14 STOP FUSE STOPLIGHT SWITCH (ABOVE BRAKE PEDAL) TRC+ VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 SRLR 2.4L 3.0L A/T INDICATOR SWITCH (LEFT SIDE OF TRANSMISSION) AST SRLH SFRR BLK WIRE BLU WIRE BLU/RED WIRE BRAKE PEDAL LOAD SENSING SWITCH (ABOVE BRAKE PEDAL) BRN/WHT WIRE CCS GYAW CENTER J/B (BEHIND UPPER CENTER OF DASH) CRUISE CONTROL SYSTEM D/G DECELERATION SENSOR (AT BASE OF SHIFTER LEVER ECU-IG FUSE FUSE GGND GGND GSS SHIELD GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GYAW HOT IN RUN AND START IB (RIGHT INSTRIMENT PANEL BRACE) IC (UPPER RIGHT KICK PANEL) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 2 (BEHIND LEFT HEADLAMP) J/C 6 (LEFT SIDE OF DASH, BEHIND INSTRUMENT CLUSTER) J/C 8 (BEHIND RIGHT SIDE OF DASH) LT GRN WIRE LT GRN/BLK WIRE NEO PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PMC PNK LT WIRE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SFRH SHIELD SHIELD 13 14 SHIELD FSS MT SKID CONTROL ECU (ABOVE INSTRUMENT PANEL J/B) STEERING SENSOR (IN STEERING COLUMN) TRAC OFF SWITCH (LEFT SIDE OF DASH) TRIG ESS VCM VGS VIO WIRE VSC WARNING BUZZER VYS WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE YAW RATE SENSOR (ON REAR OF VEHICLE) YEL/BLK WIRE YEL/RED WIRE