Toyota Highlander II (2007-2010) main body ecu (on instrument panel j/b) Wiring diagrams

13 14 15 16 17 18 19 20 HU 13 22 CANH CANL 2 8 CANH CANL 25 26 PNK CANH CANL WIRE 3 2 CANH CANL ALTB TRLY HRLY EXTERIOR LIGHTS SYSTEM ANTI-THEFT, SHIFT INTERLOCK SYSTEMS BLK WIRE BLU WIRE BRN WIRE CENTER AIR BAG SENSOR (UNDER FRONT OF CENTER CONSOLE) COMBINATION METER DATA LINK CONNECTOR 3 (DLC 3) (UNDER LEFT SIDE OF DASH) DOOR 1 FUSE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM HEADLIGHTS SYSTEM DOOR LOCKS SYSTEM ENGINE CONTROLS SYSTEM DOOR LOCKS SYSTEM ECU-B FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HORN BECU HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) ECU IG 1 LCTY PWS PKB LSR POWER WINDOWS SYSTEM LSWL LSWP FFOG LT BLU WIRE LT GRN WIRE MAIN BODY ECU (ON INSTRUMENT PANEL J/B) ORG/ WIRE PBDS ACCR PNK HEAD CLTE CLTS CLTB PCTY WIRE PNK WIRE POWER STEERING ECU (BEHIND LEFT SIDE OF DASH) RCTY RCTY LSWR RED WIRE SHIFT INTERLOCK SYSTEM STEERING SENSOR (IN STEERING COLUMN) TRUNK, TAILGATE, FUEL DOORS SYSTEM ENGINE CONTROLS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR ASSEMBLY (UNDER CENTER CONSOLE) 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 25 26 TR+ 12 11 CANL CANH 14 25 CANL CANH 28 27 CANL CANH 34 33 CANL CANH A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) ACCD TAIL DCTY SWIL BDSU BACK DOOR MOTOR UNIT (IF EQUIPPED) (IN LEFT "D" PILLAR) BEHIND LEFT QUARTERPANEL) BLK WIRE BRN WIRE CANL CANP CERTIFICATION ECU (W/ SMART KEY SYSTEM) (BEHIND RIGHT SIDE OF DASH) DOOR LOCKS SYSTEM ECM (BEHIND RIGHT SIDE OF DASH) ENGINE CONTROLS SYSTEM INSTRUMENT CLUSTER SYSTEM POWER TOPS SYSTEM FFGO ACTD GRN WIRE GRY WIRE HAZ CANH CANL HF INDW INDS HCTY LT BLU WIRE LT GRN WIRE MAIN BODY ECU (ON INSTRUMENT PANEL J/B) ORG/ WIRE PNK WIRE POWER DISTRIBUTION SYSTEM HEADLIGHTS SYSTEM DOOR LOCKS SYSTEM RED WIRE SKID CONTROL ECU W/ ACTUATOR (RIGHT FRONT OF ENGINE COMPT) SLP SLR+ GCTY ST-PLUG STARTING/CHARGING SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM STR LSWD TACH SPD VIO WIRE W/O SMART KEY SYSTEM W/ POWER BACK DOOR WHT WIRE WHT/BLK WIRE YEL WIRE

17 21 LCTY ILE 4 25 MLRY BCTY 5 6 CNHH CANL 9 20 24 25 LSWD GCTY DCTY SWIL BACK WINDOW LOCK ASSEMBLY (TOP CENTER OF BACK DOOR) BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DIODE (LEFT COURTESY) DIODE (RIGHT COURTESY) DOME FUSE DOOR 1 FUSE ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM RELAY BOX G/H FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IGNITION KEY CYLINDER LIGHT IND INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) KEY CYLINDER LIGHT ASSEMBLY (W/O ENGINE IMMOBILISER SYSTEM) LEFT FRONT DOOR COURTESY LIGHT ASSEMBLY LEFT FRONT DOOR COURTESY LIGHT SWITCH (IN LEFT "B" PILLAR) LEFT FRONT DOOR LOCK MOTOR (REAR OF LEFT FRONT DOOR) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (ON INSTRUMENT PANEL J/B) MIR LP RELAY ORG/ WIRE PCTY PNK WIRE POWER SWITCH (W/ SMART KEY SYSTEM) RCTY RED WIRE RIGHT FRONT DOOR COURTESY LIGHT ASSEMBLY RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT REAR DOOR COURTESY LIGHT SWITCH (IN RIGHT "C" PILLAR) UN-LOCK WARNING SWITCH ASSEMBLY W/ OUTER MIRROR FOOT LIGHT WHT WIRE WHT/BLK WIRE

+B (DOME) 12 10 26 15 25 4 27 7 21 RDA PRG 17 10 LCTY 20 1 LSR/LSWL ACT+ 20 5 9 1 24 10 GCTY ACTD LSWD TR+ DCTY 6 26 ALTB BECU 6 5 CANL CANH 7 5 BZR KSW BACK DOOR LOCK ASSEMBLY (BOTTOM CENTER OF BACK DOOR) BCTY MLRY LSWP RCTY PCTY INTERIOR LIGHTS SYSTEM BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER COMPUTER DATA LINES SYSTEM COURTESY DOOR CONTROL RECEIVER (IN LEFT "D" PILLAR) DRIVE IC ECU- IG 1 FUSE ECU-ACC FUSE GAUGE 2 FUSE GCTY GRN WIRE GRY WIRE HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (ON INSTRUMENT PANEL J/B) MICRO COMPUTER ORG/ WIRE PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH (IN RIGHT "B" PILLAR) RIGHT REAR DOOR COURTESY LIGHT SWITCH (IN RIGHT "C" PILLAR) UNLOCK WARNING SWITCH ASSEMBLY VIO WIRE WARNING IND MASTER WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT) YEL WIRE

17 10 LCTY 17 16 14 15 25 8 20 5 9 1 24 10 PNK WIRE 20 1 LSWL ACT+ 4 8 PNK STSW GHSW WIRE 8 15 16 TACH CANN CANP BACK DOOR LOCK ASSEMBLY (W/ POWER BACK DOOR) (BOTTOM CENTER OF BACK DOOR) BACK DOOR LOCK ASSEMBLY (W/O POWER BACK DOOR) (BOTTOM CENTER OF BACK DOOR) BCTY MLRY LSWP LSWR RCTY PCTY ACCR BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COURTESY ECU-ACC FUSE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) GAUGE 2 FUSE GLASS HATCH OPENER SWITCH ASSEMBLY (IF EQUIPPED) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IGN FUSE INDW INDS SWIL STR INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LEFT REAR DOOR COURTESY LIGHT SWITCH (IN LEFT "C" PILLAR) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (ON INSTRUMENT PANEL J/B) ORG/ WIRE PNK GCTY ACTD LSWD TR+ DCTY WIRE PNK WIRE RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH (IN RIGHT "B" PILLAR) S-HORN FUSE S-HORN RELAY SECURITY HORN ASSEMBLY (LEFT REAR OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

15 16 CANN CANP 3 6 4 5 MANUAL A/C 4 6 13 23 21 24 FFGO ASSEMBLY AUTO TAIL OFF DRL OFF AUTOMATIC A/C AUTOMATIC LIGHT CONTROL SENSOR (IF EQUIPPED) (UNDER TOP CENTER OF DASH) BCTY PCTY HEAD FFOG CLTE CLTS CLTB BLK WIRE BLU WIRE BRN WIRE CLTB CLTS CLTE COMPUTER DATA LINES SYSTEM DCTY DIMMER SWITCH DOOR 1 FUSE ECU- IG 1 FUSE ECU-ACC FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) EXCEPT USA USA FOG LIGHT SWITCH FOG RELAY FR FOG FUSE FUSE GRN WIRE GRY WIRE HEADLAMP DIMMER SWITCH ASSEMBLY HF TAIL HIGH HEAD LOW FLASH HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START HOT W/ TAIL RELAY ENERGIZED INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LCTY LEFT FOG LIGHT LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU (ON INSTRUMENT PANEL J/B) OFF ON ORG/ WIRE PARKING BRAKE SWITCH PNK WIRE RCTY RED WIRE RIGHT FOG LIGHT ASSEMBLY TAIL FUSE W/ POWER BACK DOOR W/O POWER BACK DOOR WHT WIRE WHT/BLK WIRE YEL WIRE

25 23 SWIL TAIL A/C CONTROL ILL+ ASSEMBLY 2 ACCI CILL AUTO TAIL HEAD BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE CANL CANH CLOCK ILL+ ASSEMBLY COMPUTER DATA LINES SYSTEM DOOR 1 FUSE DRL OFF OFF ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE END OF DASH) ENGINE ROOM R/B DOME FUSE (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION CONTROL, PANEL ASSEMBLY INTERIOR ILLUMINATION LIGHT ASSEMBLY 2 LT BLU WIRE LT GRN WIRE MAIN BODY ECU (ON INSTRUMENT PANEL J/B) ORG/ WIRE OUTER MIRROR HEATER SWITCH ASSEMBLY PANEL FUSE PNK WIRE POWER SWITCH (W/ SMART KEY SYSTEM) RADIO 2 FUSE RED WIRE ROOF CONSOLE BOX ASSEMBLY SEAT HEATER SWITCH TAIL RELAY W/O SMART KEY SYSTEM USA EXCEPT USA WHT WIRE WHT/BLK WIRE YEL WIRE

+B (DOME) 12 10 26 15 25 4 27 7 21 RDA PRG 17 10 LCTY 20 1 LSR/LSWL ACT+ 20 5 9 1 24 10 GCTY ACTD LSWD TR+ DCTY 6 26 ALTB BECU 6 5 CANL CANH 7 5 BZR KSW BACK DOOR LOCK ASSEMBLY (BOTTOM CENTER OF BACK DOOR) BCTY MLRY LSWP RCTY PCTY INTERIOR LIGHTS SYSTEM BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER COMPUTER DATA LINES SYSTEM COURTESY DOOR CONTROL RECEIVER (IN LEFT "D" PILLAR) DRIVE IC ECU- IG 1 FUSE ECU-ACC FUSE GAUGE 2 FUSE GCTY GRN WIRE GRY WIRE HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (ON INSTRUMENT PANEL J/B) MICRO COMPUTER ORG/ WIRE PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH (IN RIGHT "B" PILLAR) RIGHT REAR DOOR COURTESY LIGHT SWITCH (IN RIGHT "C" PILLAR) UNLOCK WARNING SWITCH ASSEMBLY VIO WIRE WARNING IND MASTER WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT) YEL WIRE

17 10 LCTY 17 16 14 15 25 8 20 5 9 1 24 10 PNK WIRE 20 1 LSWL ACT+ 4 8 PNK STSW GHSW WIRE 8 15 16 TACH CANN CANP BACK DOOR LOCK ASSEMBLY (W/ POWER BACK DOOR) (BOTTOM CENTER OF BACK DOOR) BACK DOOR LOCK ASSEMBLY (W/O POWER BACK DOOR) (BOTTOM CENTER OF BACK DOOR) BCTY MLRY LSWP LSWR RCTY PCTY ACCR BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COURTESY ECU-ACC FUSE ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) GAUGE 2 FUSE GLASS HATCH OPENER SWITCH ASSEMBLY (IF EQUIPPED) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IGN FUSE INDW INDS SWIL STR INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) LEFT REAR DOOR COURTESY LIGHT SWITCH (IN LEFT "C" PILLAR) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (ON INSTRUMENT PANEL J/B) ORG/ WIRE PNK GCTY ACTD LSWD TR+ DCTY WIRE PNK WIRE RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH (IN RIGHT "B" PILLAR) S-HORN FUSE S-HORN RELAY SECURITY HORN ASSEMBLY (LEFT REAR OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+B(DOME) OR IG 10 12 PRG RDA 10 9 8 7 6 5 4 3 2 1 UP CLS DWN OPN 15 6 IG ALTB 2 4 5 3 6 GND OPN DOWN CLS UP 24 10 DCTY 26 10 BECU(+2) 26 25 40 CANL CANH 5 3 2 1 +B PRG RDA GND BLK WIRE BLU WIRE BRN WIRE BZR CAN I/F CANL CANH CANN CANP COMPUTER DATA LINES SYSTEM CERTIFICATION ECU (W/ SMART KEY SYSTEM) (BEHIND RIGHT SIDE OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM DATA DOOR 1 FUSE DOOR CONTROL RECEIVER (IN LEFT "D" PILLAR) DOOR CONTROL RECEIVER (W/O SMART KEY SYSTEM) (IN LEFT "D" PILLAR) DRIVE IC ECU- IG 1 FUSE ECU-ACC FUSE ECU-B FUSE ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IG+ PNK WIRE INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) KEY LOCK KEY UNLOCK LEFT FRONT DOOR COURTESY LIGHT SWITCH (IN LEFT "B" PILLAR) LEFT FRONT DOOR LOCK MOTOR ASSEMBLY (REAR OF LEFT FRONT DOOR) MAIN BODY ECU (ON INSTRUMENT PANEL J/B) MASTER IND MICRO COMPUTER ORG/ WIRE PNK WIRE RED WIRE ROOF CONSOLE BOX ASSEMBLY RSSI S/ROOF FUSE SLIDING ROOF CONTROL ECU (FRONT CENTER OF HEADLINER) SUPPLY CIRCUIT POWER VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER YEL WIRE