Toyota Sienna I (1997-2003) j/b 3 (behind instrument cluster) Wiring diagrams

BACK DOOR COURTESY SWITCH BCTY SCTY BLK WIRE BLU WIRE BLU/WHT WIRE COMBINATION METER DCTY DIODE (COURTESY 2) (NEAR LEFT REAR WHEELHOUSE) DIODE (COURTESY 3) (BEHIND CENTER OF DASH) DIODE (DOME 5) (BEHIND UPPER LEFT CENTER OF DASH) DOOR FUSE DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HOT AT ALL TIMES IGNITION KEY CYLINDER LIGHT INTEGRATION RELAY J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 18 (UNDERSIDE OF STEERING COLUMN) J/C 22 (RIGHT REAR CORNER OF VEHICLE) J/C 5 (BEHIND RIGHT SIDE OF DASH) J/C 6 (BEHIND RIGHT SIDE OF DASH) LEFT FRONT DOOR COURTESY SWITCH LEFT QUARTER PANEL) LEFT SLIDE DOOR COURTESY LIGHT LUGGAGE COMPARTMENT LIGHT SWITCH OPEN DOOR WARNING RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY SWITCH LEFT SLIDE DOOR COURTESY SWITCH RIGHT SLIDE DOOR COURTESY LIGHT RIGHT SLIDE DOOR COURTESY SWITCH WHT WIRE WHT/BLK WIRE WRN YEL WIRE

2 1 DOOR OFF ON 3 2 DOOR OFF ON BLK WIRE BLU/WHT WIRE DCTY DOOR DOOR OFF ON 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 GRN/RED WIRE HOT AT ALL TIMES HOT IN ON OR START IGNITION KEY CYLINDER LIGHT INTEGRATION RELAY INTERIOR LIGHT 1 (W/ VANITY LIGHTS) INTERIOR LIGHT 1 (W/O VANITY LIGHTS) INTERIOR LIGHT 2 J/B 3 (BEHIND INSTRUMENT CLUSTER) 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 SCTY WHT WIRE WHT/BLK WIRE

BACK DOOR COURTESY SWITCH BLK WIRE BLU WIRE BLU/WHT WIRE COMBINATION METER DIODE (COURTESY 2) (NEAR LEFT REAR WHEELHOUSE) DIODE (DOME 1) (BEHIND LEFT SIDE OF DASH) DIODE (DOME 2) (BEHIND INSTRUMENT CLUSTER) DIODE (DOME 3) (BEHIND CENTER OF DASH) DOOR FUSE DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 22 (RIGHT REAR OF VEHICLE) J/C 6 (BEHIND TOP CENTER OF DASH) LEFT FRONT DOOR COURTESY SWITCH LEFT QUARTER PANEL) LEFT SLIDE DOOR COURTESY LIGHT LEFT SLIDE DOOR COURTESY SWITCH LUGGAGE COMPARTMENT LIGHT SWITCH OPEN DOOR WARNING RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT SLIDE DOOR COURTESY SWITCH 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 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

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

15 14 8 9 10 LSWP LSWD BACK DOOR KEY LOCK, UNLOCK SWITCH BACK DOOR LOCK MOTOR BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/RED WIRE BZR DCTY DOME FUSE DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) DOOR FUSE ENGINE ROOM J/B 2 (ON LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START INTEGRATION RELAY J/B 3 J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 15, J/C 16 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 18 (ON UNDERSIDE OF STEERING COLUMN) J/C 22 J/C 3 (BEHIND UPPER LEFT SIDE OF DASH) J/C 4 (BEHIND UPPER LEFT SIDE OF DASH) J/C 5 J/C 5 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 6 (BEHIND TOP CENTER OF DASH) KEYLESS BUZZER LEFT FRONT DOOR KEY LOCK/ UNLOCK SWITCH LEFT FRONT DOOR LOCK CONTROL SWITCH (POWER WINDOW MASTER SWITCH) LEFT FRONT DOOR LOCK MOTOR, UNLOCK DETECTION SWITCH LEFT SLIDE DOOR JUNCTION CONNECTOR (AT BASE OF LEFT "B" PILLAR) LOCK LOCK MOTOR LSWD LSWP LT GRN WIRE PCTY RED WIRE RED/GRN WIRE RED/WHT WIRE RIGHT FRONT DOOR COURTESY SWITCH LEFT FRONT DOOR COURTESY SWITCH RIGHT FRONT DOOR KEY LOCK/ UNLOCK SWITCH RIGHT FRONT DOOR LOCK CONTROL SWITCH RIGHT FRONT DOOR LOCK MOTOR, UNLOCK DETECTION SWITCH RIGHT SLIDE DOOR JUNCTION CONNECTOR (AT BASE OF RIGHT "B" PILLAR) UNLK UNLOCK WARNING SWITCH W/ POWER DOOR W/O POWER DOOR WHT WIRE WHT/BLK WIRE WHT/RED WIRE WIRELESS DOOR LOCK ECU (BEHIND CENTER OF DASH) YEL WIRE YEL/BLK WIRE

BACK DOOR KEY LOCK, UNLOCK SWITCH BACK DOOR LOCK MOTOR BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/RED WIRE DCTY DOME FUSE DOOR FUSE DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) ENGINE ROOM J/B 2 (ON LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE HOT AT ALL TIMES HOT IN ON OR START INTEGRATION RELAY J/B 3 J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 15, J/C 16 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 22 J/C 3 (BEHIND UPPER LEFT SIDE OF DASH) J/C 4 (BEHIND UPPER LEFT SIDE OF DASH) J/C 5 J/C 5 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 6 (BEHIND TOP CENTER OF DASH) LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT DOOR KEY LOCK/ UNLOCK SWITCH LEFT FRONT DOOR LOCK CONTROL SWITCH (POWER WINDOW MASTER SWITCH) LEFT FRONT DOOR LOCK MOTOR, UNLOCK DETECTION SWITCH LEFT SLIDE DOOR JUNCTION CONNECTOR (AT BASE OF LEFT "B" PILLAR) LOCK LOCK MOTOR LSWD LSWP LSWP LSWD LT GRN WIRE PCTY RED WIRE RED/GRN WIRE RED/WHT WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT FRONT DOOR KEY LOCK/ UNLOCK SWITCH RIGHT FRONT DOOR LOCK CONTROL SWITCH RIGHT FRONT DOOR LOCK MOTOR, UNLOCK DETECTION SWITCH RIGHT SLIDE DOOR JUNCTION CONNECTOR (AT BASE OF RIGHT "B" PILLAR) UNLK UNLOCK WARNING SWITCH W/ POWER DOOR W/O POWER DOOR WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

BLK WIRE BLU WIRE BRN WIRE COLUMN) DOOR FUSE DOWN DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING ECU-IG FUSE GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INTEGRATION RELAY J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 2, J/C 3 (BEHIND LEFT SIDE OF INST CLUSTER) J/C 20 (BEHIND LEFT REAR WHEELWELL) LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT POWER WINDOW MOTOR LEFT POWER VENT WINDOW MOTOR POWER FUSE POWER QUARTER WINDOW SWITCH POWER RELAY POWER WINDOW MASTER SWITCH PWR- VENT FUSE RED WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT FRONT POWER WINDOW CONTROL SWITCH RIGHT FRONT POWER WINDOW MOTOR RIGHT POWER VENT WINDOW MOTOR VIO WIRE WHT WIRE YEL WIRE