Toyota Sienna I (1997-2003) (under left center pillar) Wiring diagrams

10 4 (W/ PWR LOCKS) (W/O PWR LOCKS) 5 9 (W/O PWR LOCKS) (W/ PWR LOCKS) BLK WIRE COMB- INATION METER TURN SIGNAL IND COMB- INATION SWITCH LIGHT CTRL SWITCH COMB- INATION SWITCH TURN SIGNAL SWITCH DRIVER'S SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) DRIVER'S SIDE J/B 1 (LEFT OF STEERING COLUMN) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FROM DRIVER'S SIDE J/B 1 (DIAGRAM 1 OF 1) FUSIBLE LINK BLOCK (LEFT SIDE OF ENGINE COMPT) GRN WIRE HAZARD FUSE HAZARD SWITCH HIGH MOUNTED STOPLIGHT HOT AT ALL TIMES HOT IN ON OR START INP FUSE INTEGRATION RELAY (DRIVER SIDE J/B 1) J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 2, 3 (LEFT SIDE OF DASH) J/C 20 (BEHIND LEFT REAR WHEELWELL) J/C 21 (BEHIND LEFT REAR WHEELWELL) J/C 22 (RIGHT REAR CORNER OF VEHICLE) J/C 3 (LEFT SIDE OF DASH) J/C 5 (BEHIND TOP CENTER OF DASH) LEFT FRONT TURN/ PARK LIGHT TURN LEFT QUARTER PANEL) LEFT REAR COMBINATION LIGHT LICENSE PLATE LIGHT OFF HEAD OFF OFF ON ORG/ WIRE RED WIRE RIGHT FRONT TURN/ PARK LIGHT TURN RIGHT REAR COMBINATION LIGHT STOP FUSE STOP LIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) TAIL TAIL FUSE TAIL LIGHT RELAY TAIL STOP TAIL STOP TURN TAIL STOP TURN TAIL STOP TO J/C 17 (DIAGRAM 1 OF 1) TO LEFT REAR COMBINATION LIGHT (DIAGRAM 1 OF 1) TO RIGHT REAR COMBINATION LIGHT (DIAGRAM 1 OF 1) TURN FUSE TURN SIGNAL FLASHER (BEHIND LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE

1 8 PANI SCTY 6 4 DCTY PCTY BACK DOOR COURTESY SWITCH BACK DOOR UNLOCK DETECTION SWITCH BLK RED/ WIRE BLK WIRE BLK/RED WIRE BLU WIRE BLU/ WHT WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/RED WIRE BRN/WHT WIRE DOME FUSE DOOR FUSE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) ECU-IG FUSE ENGINE CONTROL MODULE ENGINE HOOD COURTESY SWITCH (ON FRONT OF ENGINE COMPT) ENGINE ROOM J/B 2 (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HORNS SYSTEM HORN FUSE HOT AT ALL TIMES HOT IN ON OR START IG LSWD LSWP LSWR IMLD IND INTEGRATION RELAY J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 15 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 18 (ON UNDER- SIDE OF STEERING COLUMN) J/C 2, J/C 3 (BEHIND LEFT SIDE OF INSTRUMENT CLUSTER) J/C 22 (RIGHT REAR CORNER OF VEHICLE) J/C 4 (BEHIND UPPER LEFT SIDE OF DASH) J/C 5 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 9 (BEHIND TOP CENTER OF DASH) LEFT FRONT DOOR COURTESY SWITCH LEFT SLIDE DOOR COURTESY SWITCH LT GRN WIRE LT GRN/RED WIRE ORG/ WIRE PANI RED GRN/ WIRE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT SLIDE DOOR COURTESY SWITCH SH HEAD TAIL HORN THEFT DETERRENT ECU (BEHIND CENTER OF DASH) THEFT DETERRENT HORN (ON RIGHT REAR OF ENGINE COMPT) THEFT DETERRENT INDICATOR LIGHT VIO WIRE VIO/WHT WIRE W/ POWER SLIDE DOOR W/O POWER SLIDE DOOR WHT/BLK WIRE YEL WIRE

4 SPEAKER ACTIVE LIGHT RELAY TRANSLATE ECU AIR VENT MODE CONTROL SERVO MOTOR BACK DOOR COURTESY SWITCH BACK DOOR KEY LOCK, UNLOCK SWITCH BACK DOOR UNLOCK DETECTION SWITCH HIGH MOUNTED STOP- LIGHT BLOWER RESISTOR TRANSISTOR (COOLER) BRN WIRE DRIVER'S SEAT HEATER DRIVER'S SEAT HEATER SWITCH TRAC OFF SWITCH VSC ECU FROM FRONT PASSENGER'S SEAT HEATER FUEL PUMP FUEL SENDER J/C 22 (RIGHT REAR CORNER OF VEHICLE) J/C 23 (FORWARD OF RIGHT REAR FENDERWELL) LEFT BUCKLE SWITCH LEFT SLIDE DOOR ECU LEFT REAR COMBINATION LIGHT LEFT REAR POWER SLIDE CONTROL SWITCH LEFT REAR POWER SLIDE DOOR CONTROL SWITCH LEFT SIDE DOOR JUNCTION CONNECTOR LICENSE PLATE LIGHT PLAYER POWER SEAT SWITCH RADIO REAR HI RELAY REAR POWER OUTLET REAR WINDOW DEFOGGER REAR WIPER MOTOR RIGHT REAR COMBINATION LIGHT RIGHT REAR POWER SLIDE DOOR CONTROL SWITCH RIGHT SLIDE DOOR ECU BLOWER RESISTOR TRANSISTOR (HEATER) RIGHT SLIDE DOOR JUNCTION CONNECTOR SEAT HEATER RELAY A/C CONTROL ASSEMBLY STEERING SENSOR STEREO COMPONENT AMPLIFIER RADIO COMBINATION METER PLAYER VOLUME SWITCH WHT/BLK WIRE

BLK WIRE BLU WIRE DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) DRIVER'S SEAT HEATER DRIVER'S SEAT HEATER SWITCH ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) FRONT PASSENGER'S SEAT HEATER FRONT PASSENGER'S SEAT HEATER SWITCH GAUGE FUSE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 23 (FORWARD OF RIGHT REAR FENDERWELL) J/C 8 (BEHIND TOP CENTER OF DASH) S/HTR FUSE SEAT HEATER RELAY (BEHIND LEFT SIDE OF DASH) WHT WIRE YEL WIRE

10 4 (W/ DOOR LOCK CTRL) (W/O DOOR LOCK CTRL) 9 5 (W/ DOOR LOCK CTRL) (W/O DOOR LOCK CTRL) A/C CONTROL ASSEMBLY A/C SWITCH BLK WIRE BLOWER SWITCH COMBI- NATION METER DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) FRONT HEATER BLOWER SWITCH FUSIBLE LINK BOX (IN ENGINE ROOM J/B, LEFT SIDE OF ENGINE COMPT) GRN WIRE HAZARD SWITCH HEAD OFF TAIL HOT AT ALL TIMES INP FUSE INSTRUMENT PANEL J/B (BEHIND LEFT SIDE OF DASH, AT LOWER FINISH PANEL) INTEGRATION RELAY (BEHIND DASH, LEFT OF STEERING COLUMN, ON DRIVER SIDE J/B 1) J/C 11 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 21 (BEHIND LEFT REAR WHEELWELL) J/C 23 (FORWARD OF RIGHT REAR FENDERWELL) J/C 3 (BEHIND LEFT SIDE OF INSTRUMENT CLUSTER) J/C 4 (BEHIND UPPER LEFT SIDE OF DASH) J/C 5 (BEHIND RIGHT SIDE OF DASH) J/C 9 (BEHIND TOP CENTER OF DASH) LEFT FRONT POWER SLIDE DOOR CONTROL SWITCH LEFT FRONT SEAT HEATER SWITCH LEFT REAR POWER SLIDE DOOR CONTROL SWITCH LIGHT CONTROL SWITCH (PART OF COMBINATION SWITCH) ORG/ WIRE PANEL FUSE POWER QUARTER WINDOW SWITCH POWER SLIDE DOOR MAIN SWITCH RADIO, PLAYER ASHTRAY ILLUMINATION REAR A/C SWITCH (AUTO A/C) REAR HEATER BLOWER SWITCH (MANUAL A/C) REAR WINDOW DEFOGGER SWITCH RED WIRE RHEOSTAT RIGHT FRONT POWER SLIDE DOOR CONTROL SWITCH RIGHT FRONT SEAT HEATER SWITCH RIGHT REAR POWER SLIDE DOOR CONTROL SWITCH TAIL FUSE TAILLIGHT RELAY WHT WIRE WHT/GRN WIRE

.33 OHMS 10.1 OHMS 3.21 OHMS A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH, ABOVE KICK PANEL) A/C FUSE A/C SWITCH A/C SWITCH OFF ON ACT F-A/C F-TE LED FAN MGC AMP BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLOWER RESISTOR (BEHIND RIGHT SIDE OF DASH) BLOWER SWITCH BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE COOL DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) DRIVER SIDE R/B 5 (BEHIND LEFT SIDE OF STEERING COLUMN) ENGINE ROOM J/B 2 (ON LEFT SIDE OF ENGINE COMPARTMENT) FRONT A/C CIRCUIT FRONT HEATER RELAY FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) HTR FUSE GRN WIRE HEATER FUSE HOT HOT AT ALL TIMES HOT IN ON OR START J/C 3 (BEHIND COMBINATION METER) J/C 8 (BEHIND TOP CENTER OF DASH) JUNCTION CONNECTOR (BEHIND LEFT SIDE OF COMBINATION METER) LOCK LT GRN/BLK WIRE MHOT MODE SWITCH OFF LO OFF ON PASSENGER SIDE R/B 4 (AT RIGHT KICK PANEL) PRS IG IGN R-HVR MCOOL RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RR A/C FUSE SERVO MOTOR (UNDER PASSENGER'S SEAT) VOLUME SWITCH WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

ACC MAIN RELAY (ON DRIVER SIDE J/B 1) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/ WHT WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE CIG FUSE CIGARETTE LIGHTER CLOCK, INTERIOR LIGHTS SYSTEM (INSTRUMENT ILLUMINATION CIRCUIT) DATA LINK CONNECTOR 3 DEF FUSE DEFOGGER RELAY DOOR FUSE POWER- OUTLET FUSE DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) ENGINE CONTROL MODULE, PARK/NEUTRAL POSITION SWITCH FROM FROM ALT FUSE (DIAGRAM 1 OF 3) FROM INP FUSE (DIAGRAM 1 OF 2) FROM POWER OUTLET FUSE (DIAGRAM 2 OF 3) FROM RADIO 2 FUSE (DIAGRAM 2 OF 3) FRONT POWER OUTLET FUSE GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE HAZARD SWITCH IGN FUSE IGNITION COILS, FUEL INJECTORS, NOISE FILTER IGNITION SWITCH INTEGRATION RELAY J/C 16 (BEHIND UPPER RIGHT SIDE OF DASH) JUNCTION JUNCTION CONNECTOR 15 (BEHIND UPPER RIGHT SIDE OF DASH) LOCK MIRROR-HEATER FUSE PANEL FUSE OBD FUSE PNK 1 WIRE PNK WIRE POWER FUSE POWER QUARTER WINDOW SWITCH POWER RELAY POWER SEAT SWITCH, RIGHT SLIDE DOOR ECU, POWER WINDOW MASTER SWITCH PWR- VENT FUSE RADIO 2 FUSE RADIO, PLAYER, STEREO COMPONENT AMPLIFIER, RADIO REAR POWER OUTLET REAR WINDOW DEFOGGER RED WIRE RED/ WHT WIRE RED/BLU WIRE RED/YEL WIRE REMOTE CONTROL MIRROR SWITCH REMOTE CONTROL MIRRORS, ENGINE CONTROL MODULE SATELLITE SWITCH STARTER FUSE STOP FUSE STOPLIGHT SWITCH TAIL FUSE TAIL LIGHT RELAY THEFT DETERRENT ECU, INTEGRATION RELAY TO ACC MAIN RELAY (DIAGRAM 2 OF 3) TURN FUSE HEATER FUSE VIO WIRE WHT RED/ WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WHT/RED WIRE WIPER FUSE ECU-IG FUSE

BLK WIRE BLU WIRE DOWN DRIVER'S SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) FRONT GRN WIRE HOT AT ALL TIMES POWER FUSE POWER SEAT MOTORS POWER SEAT SWITCH REAR REAR VERTICAL RECLINING RED WIRE SLIDE VIO WIRE WHT WIRE YEL WIRE

+SR P+ P- SIL D- D+ +SL 1 2 3 4 5 6 7 8 9 10 11 12 PL- PL+ 1 2 3 4 5 6 7 8 9 10 11 12 SFR- SFR+ BLK WIRE BLK/ORG WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CENTER AIR BAG SENSOR ASSEMBLY (BELOW CENTER OF DASH) CIG FUSE COMBINATION METER CONNECTION DETECTION PIN DATA LINK CONNECTOR (DLC) 1 (PARTIAL) (ON RIGHT REAR OF ENGINE COMPARTMENT) DATA LINK CONNECTOR (DLC) 3 (PARTIAL) (BELOW DASH, RIGHT OF STEERING COLUMN) DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) ECU-B FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B 2 (ON LEFT SIDE OF ENGINE COMPARTMENT) ESL SSL+ LBE+ SSL- FPS GRN WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IGN FUSE J/C 2 J/C 2, 3 (BEHIND LEFT SIDE OF COMBINATION METER) J/C 21 (BEHIND LEFT REAR WHEELWELL) J/C 23 (FORWARD OF RIGHT REAR FENDERWELL) J/C 3 J/C 6 (BEHIND TOP CENTER OF DASH) J/C 8 (BEHIND TOP CENTER OF DASH) LEFT BUCKLE SWITCH (INSIDE OF LEFT FRONT SEAT BELT BUCKLE ASSEMBLY) LEFT FRONT AIR BAG SENSOR (BEHIND LEFT HEADLIGHT) LEFT PRETENSIONER LEFT SIDE AIR BAG SENSOR (IN LOWER AREA OF LEFT SLIDING DOOR) LEFT SIDE AIR BAG SQUIB LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PNK 1 2 3 4 WIRE PNK VUPR WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PR+ PR- SSR- RBE+ SSR+ ESR RED WIRE RED/WHT WIRE RIGHT BUCKLE SWITCH RIGHT END OF DASH) RIGHT FRONT AIR BAG SENSOR (BEHIND RIGHT HEADLIGHT) RIGHT PRETENSIONER (AT BASE OF RIGHT "B" PILLAR) RIGHT SIDE AIR BAG SENSOR (IN LOWER AREA OF RIGHT SLIDING DOOR) RIGHT SIDE AIR BAG SQUIB SEAT BELT OCCUPANT DETECTION SENSOR SFL+ SFL- VUPL SL- SPIRAL CABLE SRS WARNING LIGHT TC -SR WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

BKL BLK WIRE BLU WIRE BLU/BLK WIRE BUCKLE SWITCH CIG FUSE CLOCK COMBINATION METER DCTY DIODE (BUCKLE SWITCH) (BEHIND UPPER LEFT CENTER OF DASH) DOME FUSE DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) ENGINE ROOM J/B 2 (LEFT SIDE OF ENG COMPT) FRONT PASSENGER SEAT BELT WARNING LIGHT GAUGE FUSE GRN WIRE GRN/GRY WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACCY OR ON HOT IN ON OR START INTEGRATION RELAY J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 18 (UNDERSIDE OF STEERING COLUMN) J/C 21 (BEHIND LEFT REAR WHEEL- WELL) J/C 23 (FORWARD OF RIGHT REAR FENDERWELL) J/C 6 (BEHIND LEFT REAR WHEEL- WELL) LEFT BUCKLE SWITCH LEFT FRONT DOOR COURTESY SWITCH PKBL PNK PNK WIRE PNK WIRE PNK/BLK WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE SEAT BELT WARNING LIGHT SEAT BELT WARNING OCCUPANT DETECTION SENSOR (INSIDE FRONT PASSENGER SEAT) SENSOR UNLOCK WARNING SWITCH W/ DOOR LOCK CONTROL W/ VSC W/O DOOR LOCK CONTROL W/O VSC WHT WIRE WHT/BLK WIRE WRN WRNP YEL/GRN WIRE