Toyota Sienna I (1997-2003) driver side j/b 1 (behind dash, left of steering column) Wiring diagrams

2000- 2001 BACK-UP LIGHT RELAY (NEAR DRIVER SIDE J/B 1) BACK-UP LIGHT SWITCH (ON TRANSAXLE) CIG FUSE DIODE (PARK/NEUTRAL POSITION SWITCH) (BEHIND CENTER OF DASH, TAPED TO HARNESS) DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) GAUGE FUSE GRY WIRE HOT IN ACC OR ON HOT IN START OR ON J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 22 (RIGHT REAR CORNER OF VEHICLE) J/C 7 (BEHIND TOP CENTER OF DASH) LEFT BACK-UP LIGHT (LEFT REAR COMB LIGHT) PNK WIRE RED/BLK WIRE RED/BLU WIRE RIGHT BACK-UP LIGHT (RIGHT REAR COMB LIGHT) W/ PWR DOOR LOCKS W/O PWR DOOR LOCKS WHT/BLK WIRE

1 2 3 4 5 6 7 SCTY WRNP PKBL 7 8 9 10 11 12 IG BLK WIRE CIG FUSE DCTY DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) DOME FUSE GAUGE FUSE GRN/ORG WIRE GRN/RED WIRE GRY/GRN WIRE HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT IN RUN OR ACC HOT IN RUN OR START HOT W/ LIGHT SW IN HEAD OR PARK INTEGRATION RELAY INTERIOR LIGHTS SYSTEM WARNING SYSTEM WARNING SYSTEM J/C 18 (UNDERSIDE OF STEERING COLUMN) LEFT FRONT DOOR COURTESY SWITCH NOT USED NOT USED ORG/ WIRE PCTY PNK/BLK WIRE RED WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE TAIL FUSE TRLY HRLY WARNING SYSTEM WARNING SYSTEM WHT/BLK WIRE WRN YEL/GRN WIRE

14 6 TC TS 26 46 42 TC D/G TS ABS ACTUATOR, ECU (LEFT REAR OF ENGINE COMPT) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BRN WIRE BRN/WHT WIRE CENTER AIR BAG SENSOR ASSEMBLY (BELOW CENTER OF DASH) CRUISE CONTROL ECU (BEHIND LEFT CENTER OF DASH) DATA LINK CONNECTOR 1 (RIGHT REAR CORNER OF ENGINE COMPT) DATA LINK CONNECTOR 3 (BELOW DASH RIGHT OF STEERING COLUMN) DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) EFI FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) EFI RELAY HOT AT ALL TIMES J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 14 (BEHIND RIGHT SIDE OF DASH) J/C 17 (W/ VSC) (UPPER RIGHT SIDE OF DASH) J/C 18 (W/ VSC) (ON UNDERSIDE OF STEERING COLUMN) J/C 2 (BEHIND INSTRUMENT CLUSTER) J/C 6 (BEHIND TOP CENTER OF DASH) J/C 8 (BEHIND TOP CENTER OF DASH) OBD FUSE PNK/BLK WIRE RED WIRE RED/YEL WIRE SIL TRANSLATE ECU (W/ VSC) (UPPER LEFT END OF DASH) VSC ECU (UPPER LEFT END OF DASH) W/ VSC W/O VSC WHT/BLK WIRE

2 1 DOOR OFF ON 3 2 DOOR OFF ON BLK WIRE DIODE (DOME 4) (BEHIND UPPER LEFT CENTER OF DASH) DOOR DOOR OFF ON DOUT DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) DOME FUSE GAUGE FUSE GRN WIRE GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INTEGRATION RELAY INTERIOR LIGHT 1 (W/ VANITY LIGHTS) INTERIOR LIGHT 1 (W/O VANITY LIGHTS) INTERIOR LIGHT 2 J/C 18 (UNDERSIDE OF STEERING COLUMN) J/C 9 (BEHIND TOP CENTER OF DASH) LEFT FRONT DOOR COURTESY LIGHT LEFT VANITY LIGHT PCTY PERSONAL LIGHT (W/ VANITY LIGHTS) PERSONAL LIGHT (W/O VANITY LIGHTS) RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY LIGHT RIGHT VANITY LIGHT WHT WIRE WHT/BLK WIRE YEL WIRE

A/C CONTROL ASSEMBLY (AUTO A/C) BLK WIRE BLU WIRE DEF FUSE DEFOGGER RELAY DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) GRN WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 22 (ON RIGHT REAR CORNER OF VEHICLE) LEFT MIRROR HEATER (PART OF LEFT REMOTE CONTROL MIRROR) MIRROR-HEATER FUSE REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER SWITCH (MANUAL A/C) RED WIRE RIGHT MIRROR HEATER (PART OF RIGHT REMOTE CONTROL MIRROR) SOLID STATE WHT WIRE WHT/BLK WIRE YEL WIRE

A/F HEATER RELAY ABS ACTUATOR, ECU ABS SOL RELAY BACK-UP LIGHT RELAY BLOWER MOTOR CONTROLLER BLOWER RESISTOR BLOWER SWITCH BRAKE FLUID LEVEL SWITCH WIRELESS DOOR LOCK ECU BRN WIRE CENTER AIR BAG SENSOR ASSEMBLY CLOCK COMBINATION METER A/C AMPLIFIER CRUISE CONTROL ECU CRUISE CONTROL ACTUATOR CRUISE CONTROL SWITCH LEFT FOGLIGHT DATA LINK CONNECTOR 3 DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) DRIVER SIDE R/B 5 FRONT HEATER BLOWER SWITCH FRONT HEATER RELAY FRONT WIPER MOTOR VSC ACTUATOR GARAGE DOOR OPENER MOON ROOF MOTOR, LIMIT SWITCH INTEGRATION RELAY J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 7 (BEHIND TOP CENTER OF DASH) KEYLESS BUZZER LEFT FRONT POWER SLIDE DOOR CONTROL SWITCH LEFT FRONT TURN SIGNAL LIGHT, PARKING LIGHT LEFT VANITY LIGHT INNER MIRROR LIGHT CONTROL, DIMMER SWITCHES TRANSPONDER KEY AMPLIFIER MOON ROOF CONTROL SWITCH, RELAY NOISE FILTER O/D MAIN SWITCH PERSONAL LIGHT INTERIOR LIGHT 1 POWER QUARTER WINDOW SWITCH POWER RELAY REAR HEATER RELAY REAR WINDOW DEFOGGER SWITCH RIGHT FRONT POWER SLIDE DOOR CONTROL SWITCH RIGHT VANITY LIGHT STARTER RELAY TIRE PRESSURE WARNING STANARDIZATION SWITCH TO STEERING SENSOR (DIAGRAM 3 OF 3) TURN SIGNAL FLASHER MAIN RELAY UNLOCK WARNING SWITCH W/ MOON- ROOF W/O MOON- ROOF WHT/BLK WIRE WIPER/ WASHER SWITCH

+B DIM IND H-LP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 DRL 1 4 3 CLTB CLTS CLTE 9 12 8 10 11 21 22 23 5 7 DCTY AUTO 4 6 AUTO OFF AUTOMATIC LIGHT CONTROL SENSOR (IF EQUIPPED) (TOP LEFT SIDE OF DASH) BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE INDICATOR COMBINATION METER COMBINATION SWITCH DAYTIME RUNNING LIGHT RELAY (MAIN) (BEHIND DASH, RIGHT OF STEERING COLUMN) DCTY DIMMER SWITCH DOME FUSE DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) ENGINE ROOM J/B 2 (ON LEFT SIDE OF ENGINE COMPARTMENT) FOG FOGLIGHT SWITCH GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRY WIRE HEAD HEAD RELAY HEAD TAIL AUTO FLASH OFF HI CHG BRK PKB IG HIGH BEAM INDICATOR HOT AT ALL TIMES HOT IN ON OR START HRLY CSE CSO CSB INTEGRATION RELAY J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 18 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 2, J/C 3 (BEHIND LEFT SIDE OF INSTRUMENT CLUSTER) LEFT FRONT DOOR COURTESY SWITCH LIGHT CONTROL SWITCH LOW FLASH LT GRN WIRE MAIN FUSE OFF ON ORG/ WIRE PARKING BRAKE SWITCH (ON PARKING BRAKE LEVER) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE STARTING/ CHARGING TAIL VIO WIRE W/ VSC W/DOOR LOCK CONTROL W/O DOOR LOCK CONTROL W/O VSC WHT WIRE WHT/BLK WIRE YEL WIRE YEL/RED WIRE

2 IND ABS IND (W/O VSC) ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM (ABS ECU) ENGINE CONTROLS SYSTEM (ECM) BLK WIRE BLK/BLU WIRE BLK/ORG (OR RED) WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE IND BRN WIRE BRN/WHT WIRE BULB CHECK RELAY CHARGE IND COMBINATION METER CONN A CONN B CONN C CRUISE CONTROL SYSTEM (CRUISE CONTROL ECU) ANTI-LOCK BRAKES SYSTEM CRUISE IND D IND DAYTIME RUNNING LIGHT RELAY (MAIN) (BEHIND DASH, RIGHT OF STEERING COLUMN) DOME FUSE DOOR IND DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) ECU-B FUSE ENGINE CONTROLS SYSTEM (A/T INDICATOR LIGHT SWITCH) ENGINE CONTROLS SYSTEM (O/D MAIN SWITCH) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) EXTERIOR LIGHTS SYSTEM (TURN SIGNAL SWITCH) ANTI-LOCK BRAKES SYSTEM FUEL GAUGE FUEL IND FUEL SENDER FUSE GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/GRN WIRE GRY/RED WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN HOT IN ON OR START IGN FUSE ILLUM INTERIOR LIGHTS SYSTEM (RHEOSTAT) INTERIOR LIGHTS SYSTEM (PANEL FUSE) INTERIOR LIGHTS SYSTEM, DOOR LOCK SYSTEM DOOR LOCKS SYSTEM J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 18 (UNDER- SIDE OF STEERING COLUMN) J/C 2, J/C 3 (BEHIND LEFT SIDE OF INSTRUMENT CLUSTER) J/C 7 (BEHIND TOP CENTER OF DASH) J/C 8 (BEHIND TOP CENTER OF DASH) L IND LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK (OR BLU/ORG) WIRE LT GRN/BLK WIRE MALFUNCTION IND LAMP N IND O/D OFF IND OIL IND OIL PRESSURE SWITCH (LEFT FRONT OF ENGINE BLOCK) P IND PARK/NEUTRAL POSITION SWITCH (ON FRONT OF TRANSAXLE) PARKING BRAKE SWITCH (ON PARKING BRAKE LEVER) PWR DOOR IND R IND RED WIRE RED/BLK WIRE RED/BLU (OR GRY) WIRE RED/GRN WIRE RED/WHT WIRE SEAT BELT IND SLIP IND (W/ VSC) ABS IND (W/ VSC) SPEEDOMETER SRS IND STARTING/CHARGING SYSTEM (GENERATOR) SUPPLEMENTAL RESTRAINTS SYSTEM WARNING SYSTEMS (INTEGRATION RELAY) TACHOMETER TIRE PRESS IND TRAC OFF IND TRANSLATE ECU (BEHIND UPPER LEFT END OF DASH) TURN L IND TURN R IND VIO WIRE VIO/RED WIRE VIO/YEL WIRE VSC IND W/ VSC W/O VSC WASHER IND WASHER LEVEL WARNING SWITCH (IN FLUID RESERVOIR) WATER TEMP WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

ANTI-LOCK BRAKE SYSTEM BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/RED (OR BRN/BLK) WIRE BRN/RED WIRE CIG FUSE COMBINATION METER DIODE (P/N) (W/ DOOR LOCK CONTROL) (BEHIND CENTER OF DASH, TAPED TO HARNESS) DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) ENGINE COOLANT TEMPERATURE SENSOR (ON RIGHT FRONT SIDE OF ENGINE) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRY WIRE HOT IN ON OR ACC HOT IN ON OR START J/B #3 (BEHIND INST CLUSTER) J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 18 (UNDERSIDE OF STEERING COLUMN) J/C 2 (BEHIND LEFT SIDE, TOP OF DASH) J/C 2 J/C 2, 3 (BEHIND LEFT SIDE, TOP OF DASH) J/C 3 (LEFT FRONT SHOCK TOWER) J/C 7 (BEHIND TOP CENTER OF DASH) J/C 7 (TOP CENTER OF DASH) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MALF IND LAMP O/D OFF IND O/D MAIN SWITCH ORG/ WIRE PNK WIRE PNK/BLU WIRE PTNK RED WIRE RED/BLK WIRE RED/YEL WIRE SPEEDO- METER TACHO- METER THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) VAPOR PRESSURE SENSOR (LEFT SIDE OF FIREWALL) VCC VIO WIRE VIO/YEL WIRE VSV (EVAP) (TOP OF ENGINE) VSV (VAPOR PRESSURE SENSOR) (LEFT REAR OF ENG COMPT) WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE

12 (DASH HARN, BEHIND LEFT SIDE OF DASH) 12 13 14 15 16 17 ODMS 12 13 14 15 16 F/PS TRC+ ENG+ STP B+ PTNK 2 SL A/C SYSTEM A/C SYSTEM A/C SYSTEM ANTI-LOCK BRAKES SYSTEM ANTI-THEFT SYSTEM BATT IGSW FC SIL 2 3 4 5 6 7 8 9 10 BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN RED (OR BRN/BLK) WIRE BRN WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE COOLING FANS SYSTEM CRUISE CONTROL SYSTEM DATA LINK CONNECTOR 1 (RIGHT REAR OF ENGINE COMPT) DATA LINK CONNECTOR 3 (BELOW DASH RIGHT OF STEERING COLUMN) DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) STOP FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) EOM 2 3 4 5 6 7 8 9 10 FUSE GRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT W/DEFOGGER RELAY ENERGIZED HOT W/TAILLIGHT RELAY ENERGIZED IDLO CF TACH CODE J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 14 (BEHIND RIGHT SIDE OF DASH) J/C 2 J/C 2, 3 (BEHIND LEFT SIDE, TOP OF DASH) J/C 3 J/C 3 (BEHIND LEFT SIDE, TOP OF DASH) J/C 6 (BEHIND TOP CENTER OF DASH) LT GRN/BLK WIRE LT GRN/RED WIRE MIRROR HEATER NEO OBD FUSE ORG/ WIRE PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE SIL SPD KSW STA MREL ODLP CCV STOPLIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) SUPPLEMENTAL RESTRAINTS SYSTEM TAIL FUSE THWO TPC ELS TC ACMG A/C OXS HTS TRANSPONDER KEY AMPLIFIER (BEHIND LEFT SIDE OF DASH) TRC- ENG- IMLD TXCT RXCK NSW UNLOCK WARNING SWITCH VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE