Toyota Highlander I facelift (2003-2007) occupant classification ecu (below right front seat) Wiring diagrams

1 5 3 2 GND IG CANH CANL 13 11 25 42 24 D/G CANH CANL WFSE TS 19 20 15 WFSE TC EOM 3 10 9 1 2 PNK BAT CANH CANL WIRE A/C CONTROL ASSEMBLY (BEHIND CENTER AIR BAG SENSOR ASSEMBLY BB (AT RIGHT CENTER PILLAR) BLK WIRE BLU WIRE BODY ECU (BEHIND RIGHT SIDE OF DASH) BRN WIRE CG SC CANH SIL COMBINATION METER DATA LINK CONNECTOR (DLC) 3 (UNDER LEFT SIDE OF DASH) DIA ECU-B FUSE ECU-IG FUSE EE (AT INTAKE SIDE OF CYLINDER BLOCK) (2.4L) ED (ON TOP OF ENGINE) (3.0L) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START IC (AT RIGHT KICK PANEL) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 16 (RIGHT KICK PNK PANEL) 21 20 WIRE J/C 17 (BEHIND LEFT SIDE OF DASH) J/C 7 (BEHIND RIGHT SIDE OF DASH) LT BLU WIRE MPX MULTI-DISPLAY OBD FUSE OCCUPANT CLASSIFICATION ECU (BELOW RIGHT FRONT SEAT) OF DASH) OPTION CONNECTOR 1 (BEHIND LEFT KICK PANEL) ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK 10 8 WIRE PNK WIRE PNK/BLK WIRE POWER WINDOW MASTER SWITCH WITH ECU (IN DRIVER'S DOOR) RED WIRE SHORT CONNECTOR SIL SKID CONTROL ECU WITH ACTUATOR (RIGHT FRONT OF ENGINE COMPT) STEERING SENSOR (IN STEERING COLUMN) TAC TACH TRANSPONDER KEY COMPUTER (BEHIND RIGHT SIDE OF DASH) TS TC CANL WFSE BAT VIO WIRE W/ NAVIGATION SYSTEM W/ THEFT- DETERRENT SYSTEM W/O NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YAW RATE SENSOR (ON REAR OF VEHICLE) YEL WIRE

1 11 2 21 PNK WIRE 1 2 3 4 5 6 7 8 9 10 11 12 +B DIA GND FSR- BGND AIR BAG INDICATOR AIR BAG OFF AIR BAG ON BF (AT RIGHT REAR CORNER OF VEHICLE) BLK WIRE BLU WIRE BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (DLC) 3 (UNDER LEFT SIDE OF DASH) ECU-B FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FRONT PASSENGER'S SIDE BUCKLE SWITCH (IN PASSENGER'S SEAT BELT BUCKLE) FUSE GRN WIRE GRY WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START IB (AT RIGHT DASH BRACE) IG FSR+ BSW INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 16 (RIGHT KICK PANEL) J/C 17 (BEHIND LEFT SIDE OF DASH) J/C 18 (AT REAR OF VEHICLE) LEFT FRONT OCCUPANT CLASSIFICATION SENSOR LEFT REAR OCCUPANT CLASSIFICATION SENSOR LT BLU WIRE LT GRN WIRE OCCUPANT CLASSIFICATION ECU (BELOW RIGHT FRONT SEAT) ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK 5 6 WIRE PNK WIRE RED WIRE RIGHT FRONT OCCUPANT CLASSIFICATION SENSOR RIGHT REAR OCCUPANT CLASSIFICATION SENSOR TELLTALE LIGHT ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 11 2 21 PNK WIRE 1 2 3 4 5 6 7 8 9 10 11 12 +B DIA GND FSR- BGND AIR BAG INDICATOR AIR BAG OFF AIR BAG ON BF (AT RIGHT REAR CORNER OF VEHICLE) BLK WIRE BLU WIRE BRN WIRE CENTER J/B (BEHIND UPPER CENTER OF DASH) COMBINATION METER COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR (DLC) 3 (UNDER LEFT SIDE OF DASH) ECU-B FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FRONT PASSENGER'S SIDE BUCKLE SWITCH (IN PASSENGER'S SEAT BELT BUCKLE) FUSE GRN WIRE GRY WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START IB (AT RIGHT DASH BRACE) IG FSR+ BSW INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 16 (RIGHT KICK PANEL) J/C 17 (BEHIND LEFT SIDE OF DASH) J/C 18 (AT REAR OF VEHICLE) LEFT FRONT OCCUPANT CLASSIFICATION SENSOR LEFT REAR OCCUPANT CLASSIFICATION SENSOR LT BLU WIRE LT GRN WIRE OCCUPANT CLASSIFICATION ECU (BELOW RIGHT FRONT SEAT) ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK 5 6 WIRE PNK WIRE RED WIRE RIGHT FRONT OCCUPANT CLASSIFICATION SENSOR RIGHT REAR OCCUPANT CLASSIFICATION SENSOR TELLTALE LIGHT ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

8 4 9 5 FSR+ FSR- BSW BGND A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) AIR BAG SENSOR ASSEMBLY (BELOW FRONT OF CENTER CONSOLE) BLK WIRE BLU WIRE BODY ECU (BEHIND RIGHT SIDE OF DASH) BRN WIRE BUCKLE SWITCH (FRONT PASSENGER'S SIDE) (IN PASSENGER'S SEAT BELT BUCKLE) BUZZER CENTER J/B (BEHIND UPPER CENTER OF DASH) COMBINATION METER DCTY DOME FUSE DOOR IND DRIVER'S SEAT BELT IND ECU-B FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FSR+ FSR- FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRY WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IB (AT RIGHT DASH BRACE) IC (AT RIGHT KICK PANEL) INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH) J/C 6 (LEFT SIDE OF DASH, BEHIND INSTRUMENT CLUSTER) LBE+ LBE- LEFT BUCKLE SWITCH (ON DRIVER'S SEAT) LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LT BLU WIRE LT GRN WIRE MPX OCCUPANT CLASSIFICATION ECU (BELOW RIGHT FRONT SEAT) ORG/ WIRE PASSENGER SEAT BELT WARNING PASSENGER SIDE J/B (BEHIND RIGHT SIDE OF DASH) PNK WIRE POWER WINDOW MASTER SWITCH WITH ECU (IN DRIVER'S DOOR) RADIO 2 FUSE RED WIRE RIGHT FRONT OCCUPANT CLASSIFICATION SENSOR (IN RIGHT FRONT SEAT) SHORT CONNECTOR (BEHIND LEFT SIDE OF DASH) UNLOCK WARNING SWITCH (IN STEERING COLUMN) VIO WIRE W/ CURTAIN SHIELD AIR BAG W/O CURTAIN SHIELD AIR BAG W/ NAVIGATION W/O NAVIGATION WHT WIRE YEL WIRE