Toyota Sienna I (1997-2003) blk Wiring diagrams

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

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

+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

BLK WIRE BLU WIRE DAYTIME RUNNING LIGHT DIODE 2 (BEHIND CENTER OF DASH, TAPED TO HARNESS) DIM RELAY DRL RELAY ENGINE ROOM J/B 2 (ON LEFT SIDE OF ENGINE COMPARTMENT) FOG FUSE FOG LIGHT RELAY (BEHIND RIGHT END OF DASH) GRN/RED WIRE H-LP LH LO FUSE H-LP RH LO FUSE HEAD LH FUSE HEAD RH FUSE HOT AT ALL TIMES J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 1 (LEFT FRONT OF ENGINE COMPT, NEAR LEFT HEADLIGHT) J/C 7 (BEHIND TOP CENTER OF DASH) LEFT FOG LIGHT LEFT HEADLIGHT ORG/ WIRE R/B 7 (LEFT FRONT OF ENGINE COMPT) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FOG LIGHT RIGHT HEADLIGHT WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BRN/WHT WIRE ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPARTMENT) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HIGH HORN HORN HORN FUSE HORN RELAY HORN SWITCH (PART OF COMBINATION SWITCH) HOT AT ALL TIMES INTEGRATION RELAY (ON DRIVER'S SIDE J/B 1) J/C 18 (BEHIND UPPER RIGHT SIDE OF DASH) LOW HORN (LEFT FRONT CENTER OF ENGINE COMPT) THEFT DETERRENT ECU (BEHIND CENTER OF DASH) THEFT DETERRENT HORN (RIGHT REAR OF ENG COMPT) VIO/WHT WIRE WHT 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

1 2 3 4 5 6 7 8 9 10 SL THO SLN+ ACIS AFR- AFL- THA BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CRANKSHAFT POSITION SENSOR (FRONT OF ENGINE) CRUISE CONTROL ECU (REAR SIDE OF SURGE TANK) ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE IDLE AIR CONTROL VALVE (ON THROTTLE BODY ASSEMBLY) IGF RSO KNKR KNKL IGNITER AND IGNITION COILS INJECTOR 1 INJECTOR 2 INJECTOR 3 INJECTOR 4 INJECTOR 5 INJECTOR 6) J/C 12 (RIGHT SIDE OF DASH) J/C 13 (BEHIND RIGHT SIDE OF DASH) J/C 13 (RIGHT SIDE OF DASH) J/C 14 (BEHIND RIGHT SIDE OF DASH) KNOCK SENSOR 1 (TOP OF ENGINE) KNOCK SENSOR 2 (TOP OF ENGINE) LEFT CAMSHAFT POSITION SENSOR (REAR OF LEFT CYL HEAD) LEFT VVT SOLENOID (LEFT REAR OF ENGINE) LT GRN WIRE MASS AIRFLOW METER (ON LEFT SIDE OF ENGINE COMPT, PART OF AIR INTAKE ASSEMBLY) NCA WIRE NE+ NOISE FILTER (ON CENTER RIGHT SIDE OF FIRE- WALL) O/D DIRECT CLUTCH SPEED SENSOR (TOP FRONT OF TRANSAXLE) ORG/ WIRE PNK WIRE PNK/BLU WIRE POWER STEERING OIL PRESSURE SWITCH (RIGHT FRONT OF ENGINE) PS VG AFR+ AFL+ THO THW TPC NE+ PNK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT CAMSHAFT POSITION SENSOR (REAR OF RIGHT CYL HEAD) RIGHT VVT SOLENOID (CENTER REAR OF ENGINE) SLN- SLN- SLN+ VC HTR HTL 10 20 WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

A/F HTR FUSE AIR FUEL RATIO SENSOR (BANK 1 SENSOR 1) (RIGHT EXHAUST MANIFOLD) AIR FUEL RATIO SENSOR (BANK 2 SENSOR 1) (LEFT EXHAUST MANIFOLD) BLK 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 DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) IGN FUSE EFI FUSE EFI RELAY ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) CIR OPN RELAY FUEL PUMP (IN FUEL TANK) GRN/BLK WIRE GRN/RED WIRE GRY WIRE HEATED OXYGEN SENSOR (BANK 1, SENSOR 2) (ON EXHAUST PIPE) HOT AT ALL TIMES HT OX +B IGNITION SWITCH J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 13 (BEHIND RIGHT SIDE OF DASH) J/C 14 (BEHIND RIGHT SIDE OF DASH) J/C 6 (BEHIND TOP CENTER OF DASH) J/C 7 (BEHIND TOP CENTER OF DASH) LOCK ON LT GRN WIRE LT GRN/RED WIRE NCA WIRE P/N PARK/ NEUTRAL POSITION SWITCH (ON TRANSAXLE) PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/YEL WIRE STARTER FUSE STARTING SYSTEM (ST RELAY) VSV (INTAKE AIR CONTROL 2) (TOP OF ENGINE) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN 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