Wiring Diagrams for Toyota Sienna I (1997-2003)

Automatic a/c circuit, rear a/c Automatic a/c circuit, without towing package Automatic a/c circuit, with towing package Manual a/c circuit, rear a/c Manual a/c circuit, without towing package Manual a/c circuit, with towing package

Anti-lock brake circuits

Forced entry circuit Immobilizer circuit

Body computer circuits, without power locks Body computer circuits, with power door locks

Computer data lines

Cooling fan circuit, without towing package Cooling fan circuit, with towing package

Cruise control circuit

Defogger circuit

Wiring diagram engine performance 3.0ls

Back-up lamps circuit Exterior lamps circuit

Ground distribution circuit

Headlight circuit

Horn circuit

Clock circuit Instrument cluster circuit

Courtesy lamps circuit, with door locks Courtesy lamps circuit, without door locks Instrument illumination circuit

Power distribution circuit

Power door lock circuit, with keyless entry Power door lock circuit, without keyless entry

Power mirror circuit

Heated seats circuit Power seat circuit

Moonroof circuit

Power window circuit

Radio circuits, with built-in amplifier Radio circuits, with separate amplifier

Charging circuit Starting circuit

Supplemental restraint circuit

A/t circuit

Power sliding door circuit

Warning system circuits

Front wiper/washer circuit Rear wiper/washer circuit

ANTI-LOCK BRAKE SYSTEM ANTI-LOCK BRAKES SYSTEM BATTERY GROUND BLOWER RESISTOR COMBINATION METER A/C AMPLIFIER HIGH HORN IGNITION COIL, IGNITOR 2 IGNITION COIL, IGNITOR 1 IGNITION COIL, IGNITOR 3 IGNITION COIL, IGNITOR 5 IGNITION COIL, IGNITOR 4 IGNITION COIL, IGNITOR 6 INTERIOR LIGHTS SYSTEM, DOOR LOCK SYSTEM DOOR LOCKS SYSTEM LIGHT CONTROL, DIMMER SWITCHES TRANSPONDER KEY AMPLIFIER LOCK ON RADIO, PLAYER, STEREO COMPONENT AMPLIFIER RADIO, PLAYER, STEREO COMPONENT AMPLIFIER, RADIO SH HEAD TAIL HORN STEREO COMPONENT AMPLIFIER STEREO COMPONENT AMPLIFIER RADIO COMBINATION METER PLAYER TACO SPD LOCK TW HRC BLWC VMC W/ DOOR LOCK CONTROL W/ DOOR LOCK CONTROL W/O DOOR LOCK CONTROL W/DOOR LOCK CONTROL W/O DOOR LOCK CONTROL

AIR VENT MODE CONTROL SERVO MOTOR BACK DOOR LOCK MOTOR BLOWER MOTOR BLOWER MOTOR CONTROLLER DOOR LOCK MOTOR FRONT WIPER MOTOR VSC ACTUATOR LEFT FRONT POWER WINDOW MOTOR LEFT POWER VENT WINDOW MOTOR LIMIT SWITCHES MOTOR LOCK MOTOR RADIATOR FAN MOTOR REAR WIPER MOTOR RELEASE ACTUATOR RIGHT FRONT POWER WINDOW MOTOR RIGHT POWER VENT WINDOW MOTOR

GLASS ANTENNA AMPLIFIER

DATA LINK CONNECTOR 1 DATA LINK CONNECTOR 3 LEFT SIDE DOOR JUNCTION CONNECTOR RIGHT SLIDE DOOR JUNCTION CONNECTOR

COMBINATION METER, LEFT SLIDE DOOR ECU ENGINE CONTROL MODULE ENGINE CONTROL MODULE ENGINE CONTROL MODULE, PARK/NEUTRAL POSITION SWITCH REMOTE CONTROL MIRRORS, ENGINE CONTROL MODULE

ABS ACTUATOR, ECU ABS MTR RELAY, ABS ACTUATOR, ECU ACTIVE LIGHT RELAY TRANSLATE ECU BRAKE FLUID LEVEL SWITCH WIRELESS DOOR LOCK ECU CRUISE CONTROL ECU CRUISE CONTROL ACTUATOR DOME FUSE ECU-B FUSE SHORT PIN DRIVER'S SEAT HEATER SWITCH TRAC OFF SWITCH VSC ECU ECU-B FUSE ECU-IG FUSE LEFT BUCKLE SWITCH LEFT SLIDE DOOR ECU LEFT SLIDE DOOR ECU POWER SEAT SWITCH, RIGHT SLIDE DOOR ECU, POWER WINDOW MASTER SWITCH THEFT DETERRENT ECU THEFT DETERRENT ECU HORNS THEFT DETERRENT ECU, INTEGRATION RELAY VSC ECU WIPER FUSE ECU-IG FUSE

A/C FUSE A/F HTR FUSE ABS 2 FUSE ABS 3 FUSE ABS FUSE ALT FUSE ALT-S FUSE ALT-S FUSE FUSE CDS FUSE CIG FUSE DEF FUSE DOME FUSE DOOR FUSE DOOR FUSE POWER- OUTLET FUSE EFI FUSE EFI FUSE HAZARD FUSE FOG FUSE GAUGE FUSE H-LP LH LO FUSE H-LP RH LO FUSE HAZARD FUSE HEAD LH FUSE HEAD RH FUSE HEATER FUSE HORN FUSE HTR FUSE IGN FUSE INP FUSE MAIN FUSE MAIN FUSE 1 MIRROR-HEATER FUSE OBD FUSE PANEL FUSE PANEL FUSE OBD FUSE POWER FUSE PWR SLD FUSE PWR- VENT FUSE RADIO 1 FUSE RADIO 2 FUSE RDI FUSE RIGHT HEAD FUSE LEFT HEAD FUSE RIGHT HEAD LOWER FUSE LEFT HEAD LOWER FUSE RR A/C FUSE RR CLR FUSE S/HTR FUSE STARTER FUSE STOP FUSE TAIL FUSE TURN FUSE TURN FUSE HEATER FUSE WIPER FUSE

LEFT HEADLIGHT RIGHT HEADLIGHT

DRIVER'S SEAT HEATER FRONT PASSENGER'S SEAT HEATER MIRROR HEATER

BRAKE INDICATOR CRUISE CONTROL INDICATOR HIGH BEAM INDICATOR THEFT DETERRENT INDICATOR LIGHT

ANTI-THEFT SYSTEM INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HORNS SYSTEM INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM INTERIOR LIGHTS SYSTEM WARNING SYSTEM DOOR LOCKS SYSTEM INTERIOR LIGHTS SYSTEM WARNING SYSTEM WARNING SYSTEM MALF IND LAMP O/D OFF IND MALFUNCTION IND LAMP

FUEL PUMP

A/C CONDENSER FAN MOTOR RADIATOR FAN MOTOR FAN 3 RELAY A/F HEATER RELAY ABS SOL RELAY BACK-UP LIGHT RELAY BULB CHECK RELAY DEFOGGER RELAY DIM RELAY DRL RELAY EFI RELAY FAN 1 RELAY FAN 1 RELAY FAN 2 RELAY FAN 2 RELAY FAN 2 RELAY MAIN RELAY 2 FAN 3 RELAY FOGLIGHT RELAY FRONT HEATER RELAY HEAD RELAY HORN RELAY HOT W/ TAIL RELAY ENERGIZED HOT W/DEFOGGER RELAY ENERGIZED HOT W/TAILLIGHT RELAY ENERGIZED INTEGRATION RELAY INTEGRATON RELAY MAIN 1 RELAY MAIN 2 RELAY MAIN RELAY 1 MAIN RELAY 2 MG CLT RELAY MOON ROOF CONTROL SWITCH, RELAY POWER RELAY REAR CLR RELAY REAR HEATER RELAY REAR HI RELAY REAR LO RELAY REAR RELAY SEAT HEATER RELAY SEAT HEATER RELAY A/C CONTROL ASSEMBLY STARTER RELAY TAIL LIGHT RELAY TAILLIGHT RELAY TURN SIGNAL FLASHER MAIN RELAY

CENTER AIR BAG SENSOR ASSEMBLY LEFT FRONT ABS SPEED SENSOR LEFT REAR ABS SPEED SENSOR OPTICAL SENSOR RIGHT REAR ABS SPEED SENSOR SEAT BELT OCCUPANT DETECTION SENSOR STEERING SENSOR

4 SPEAKER LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER SPEAKER LEFT REAR SPEAKER RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER SPEAKER RIGHT REAR SPEAKER

A/C AMPLIFIER, A/C SWITCH A/C SWITCH A/C SWITCH OFF ON BACK DOOR COURTESY SWITCH BACK DOOR KEY LOCK, UNLOCK SWITCH BACK DOOR UNLOCK DETECTION SWITCH BACK DOOR UNLOCK DETECTION SWITCH HIGH MOUNTED STOP- LIGHT BLOWER SWITCH BUCKLE SWITCH COMB- INATION SWITCH LIGHT CTRL SWITCH COMB- INATION SWITCH TURN SIGNAL SWITCH COMBINATION SWITCH CRUISE CONTROL SWITCH CRUISE CONTROL SWITCH LEFT FOGLIGHT DIMMER SWITCH DRIVER'S SEAT HEATER SWITCH ENGINE HOOD COURTESY SWITCH FOGLIGHT SWITCH FRONT BLOWER MOTOR SWITCH FRONT HEATER BLOWER SWITCH FRONT PASSENGER'S SEAT HEATER SWITCH FRONT POWER SLIDE DOOR CONTROL SWITCH FRONT RIGHT DOOR LOCK CONTROL SWITCH FUEL LID COURTESY SWITCH GARAGE DOOR OPENER MOON ROOF MOTOR, LIMIT SWITCH GENERATOR HORN SWITCH HAZARD SWITCH IGNITION SWITCH LATCH SWITCH LEFT BUCKLE SWITCH LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT DOOR KEY LOCK/ UNLOCK SWITCH LEFT FRONT DOOR LOCK MOTOR, DETECTION SWITCH LEFT FRONT DOOR LOCK MOTOR, UNLOCK DETECTION SWITCH LEFT FRONT POWER SLIDE DOOR CONTROL SWITCH LEFT FRONT SEAT HEATER SWITCH LEFT REAR POWER SLIDE CONTROL SWITCH LEFT REAR POWER SLIDE DOOR CONTROL SWITCH LEFT SLIDE DOOR COURTESY SWITCH LIGHT CONTROL SWITCH LUGGAGE COMPARTMENT LIGHT SWITCH MODE SWITCH O/D MAIN SWITCH OPERATION SWITCH POWER QUARTER WINDOW SWITCH POWER SEAT SWITCH POWER SLIDE DOOR MAIN SWITCH POWER WINDOW MASTER SWITCH REAR A/C SWITCH REAR HEATER BLOWER SWITCH REAR POWER SLIDE DOOR CONTROL SWITCH REAR WINDOW DEFOGGER SWITCH REMOTE CONTROL MIRROR SWITCH RIGHT BUCKLE SWITCH RIGHT FRONT DOOR COURTESY SWITCH RIGHT FRONT DOOR COURTESY SWITCH LEFT FRONT DOOR COURTESY SWITCH RIGHT FRONT DOOR COURTESY SWITCH LEFT SLIDE DOOR COURTESY SWITCH RIGHT FRONT DOOR KEY LOCK/ UNLOCK SWITCH RIGHT FRONT DOOR LOCK CONTROL SWITCH RIGHT FRONT DOOR LOCK MOTOR, DETECTION SWITCH RIGHT FRONT DOOR LOCK MOTOR, UNLOCK DETECTION SWITCH RIGHT FRONT POWER SLIDE DOOR CONTROL SWITCH RIGHT FRONT POWER WINDOW CONTROL SWITCH RIGHT FRONT SEAT HEATER SWITCH RIGHT REAR POWER SLIDE DOOR CONTROL SWITCH RIGHT SLIDE DOOR COURTESY SWITCH SATELLITE SWITCH SELECT SWITCH RIGHT LEFT STOP LIGHT SWITCH STOPLIGHT SWITCH TIRE PRESSURE WARNING STANARDIZATION SWITCH UNLOCK WARNING SWITCH VOLUME SWITCH WASHER LEVEL WARNING SWITCH WASHER SWITCH WATER TEMP SWITCH 1 WIPER SWITCH WIPER/ WASHER SWITCH

ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID

(COWL WIRE BLK RED/ WIRE BLK WIRE BLK/BLU WIRE BLK/GRN 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/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE GRN WIRE GRN/BLK WIRE GRN/GRY WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE LT PNK WIRE NCA WIRE ORG/ WIRE PNK 1 2 3 4 WIRE PNK 1 3 2 WIRE PNK 1 3 WIRE PNK 1 WIRE PNK 3 2 1 BMC BLWR GND WIRE PNK 11 12 WIRE PNK PNK WIRE PNK VUPR WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE PS VG AFR+ AFL+ THO THW TPC NE+ PNK WIRE RED GRN/ WIRE RED WIRE RED/ WHT WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WHT RED/ WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

0.22 OHMS 0.33 OHMS 0.46 OHMS 0.86 OHMS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 ACT+ ACTD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 DRL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 PANI BCTY 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+ 1 2 3 4 5 6 7 8 9 10 SL THO SLN+ 1 2 3 4 5 6 7 SCTY WRNP PKBL 1 4 3 CLTB CLTS CLTE 1 4 LT LT 1 8 9 10 11 12 17 18 19 GND MHC MHH IG+ 1 8 15 9 16 BATT MREL STP ODLP B+ 1 8 BATT MREL 1 8 PANI SCTY 1 14 ACT+ ACT- 1.0 OHMS 1.68 OHMS 2 1 DOOR OFF ON 2 13 14 17 18 23 VC THO THW 2 IND 2 SL 2.14 OHMS 3 2 4 1 VMC BLWC 3 2 DOOR OFF ON 3.21 OHMS 4 5 6 7 8 9 10 11 12 13 14 15 16 PI TC ECT MC 4 5 6 7 8 9 14 15 16 18 RRHI RRME RRLO RBAT RRAT RRON VMH BLWH HRH RG 5 20 22 24 25 TC NSW SPD 6 4 DCTY PCTY 6 18 LSDS SLD 7 8 9 10 11 12 IG 9 2 27 26 ACT A/C TACH CF 9 12 8 10 11 21 22 23 5 7 DCTY 10.1 OHMS 11 12 SPEEDOMETER 12 11 3 +B TC 12 13 14 15 16 17 ODMS 12 13 14 15 16 F/PS TRC+ ENG+ STP B+ PTNK 14 6 TC TS 15 14 8 9 10 LSWP LSWD 16 22 +B IMLD 26 46 42 TC D/G TS 28 19 18 23 CODE RXCK TXCT KSW 1998-00 2000- 2001 +B DIM IND H-LP +BM +BS RL- WTIR INIT WA TC +SR P+ P- SIL D- D+ +SL .33 OHMS A/C CONTROL ASSEMBLY A/C SYSTEM A/C SYSTEM A/C SYSTEM ABS WARNING IND ACON PSW ACT F-A/C F-TE LED FAN MGC AFR- AFL- THA AIF AIR MC MH MHC MHH IG+ ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM DOOR LOCKS SYSTEM ANTI-THEFT SYSTEM AUTO 4 6 AUTO A/C AUTO OFF AUTO TRLY BATT IGSW FC SIL 2 3 4 5 6 7 8 9 10 BCTY SCTY BRAKE IND CHARGE IND CIGARETTE LIGHTER COLUMN) COMB- INATION METER CHARGE WARNING LIGHT COMB- INATION METER TURN SIGNAL IND COMBI- NATION METER COMBINATION METER CONN A CONN B CONN C CONNECTION DETECTION PIN COOLING FANS SYSTEM CRUISE CONTROL SYSTEM CRUISE IND CSE CSO CSB P/W D IND DEFOGGER SYSTEM DOOR IND DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM WARNING SYSTEM DOOR OFF ON DOUT ACT- DRIVER SIDE J/B 1 DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING DRIVER SIDE R/B 5 EOM 2 3 4 5 6 7 8 9 10 ESL SSL+ LBE+ SSL- FORCED ENTRY CIRCUIT FRONT A/C CIRCUIT FRONT PASSENGER SEAT BELT WARNING LIGHT FRONT POWER OUTLET FUEL GAUGE FUEL IND FUEL SENDER FUSIBLE LINK MAIN (12 GA- GND SI +B VM 2 3 4 HEAD OFF TAIL HEAD TAIL AUTO FLASH OFF HEADLIGHTS SYSTEM HI CHG BRK PKB IG HIGH BEAM IND HIGH MOUNTED STOPLIGHT HOT AT ALL TIMES HOT IN HOT IN ACC OR ON HOT IN ACCY OR ON HOT IN ON OR ACC HOT IN ON OR START HOT IN RUN OR ACC HOT IN RUN OR START HOT IN START OR ON HOT W/ LIGHT SW IN HEAD OR PARK HR BLW RRHI RRME RRLO RBAT RRAT RRON B/L FOOT FDEF DEF VMH BLWH HRH HRC BLWC VMC HRLY CSE CSO CSB HT OX +B IDLO CF TACH CODE IG LSWD LSWP LSWR IGF RSO KNKR KNKL IGNITER AND IGNITION COILS IGNITION COILS, FUEL INJECTORS, NOISE FILTER IGNITION KEY CYLINDER LIGHT INJECTOR 1 INJECTOR 2 INJECTOR 3 INJECTOR 4 INJECTOR 5 INJECTOR 6) INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHT 2 J/B 3 J/C 2 J/C 3 J/C 5 J/C 22 KEYLESS BUZZER L IND LEFT FOG LIGHT LEFT FRONT DOOR COURTESY LIGHT LEFT FRONT TURN SIGNAL LIGHT, PARKING LIGHT LEFT FRONT TURN/ PARK LIGHT TURN LEFT LOW BEAM HEAD- LIGHT RIGHT LOW BEAM HEAD- LIGHT LEFT PRETENSIONER LEFT QUARTER PANEL) LEFT REAR COMBINATION LIGHT LEFT REMOTE CONTROL MIRROR LEFT SIDE AIR BAG SQUIB LEFT SLIDE DOOR COURTESY LIGHT LEFT VANITY LIGHT LEFT VANITY LIGHT INNER MIRROR LICENSE PLATE LIGHT LOW FLASH LSWD WRN LSWP LSWD MAIN FUSIBLE LINK (12 GA- MANUAL A/C MFRS MRS MH MC N IND NE+ NL DL 10 3 4 2 NOISE FILTER NOT USED NOT USED O/D OFF IND OFF HEAD OFF LO OFF OFF ON OFF ON OFF ON INT OFF REAR OIL IND ON OFF OPEN DOOR WARNING P IND PERSONAL LIGHT INTERIOR LIGHT 1 PL RL POWER DOOR IND POWER SEAT MOTORS POWER WINDOWS SYSTEM PR+ PR- SSR- RBE+ SSR+ ESR PRS IG IGN PRS IG IGN GND PWR "2" INDIC "D" INDIC "N" INDIC "L" INDIC "R" INDIC O/D OFF "P" INDIC PWR CODE RXCK TXCT GND 2 3 4 5 PWR DOOR IND R IND R-HVR MCOOL RADIO, PLAYER RADIO, PLAYER ASHTRAY ILLUMINATION RDA PRG WRNP REAR A/C CIRCUIT REAR LO REAR POWER OUTLET REAR VERTICAL REAR WINDOW DEFOGGER REAR WIPER RESUME/ ACCEL RIGHT END OF DASH) RIGHT FOG LIGHT RIGHT FOGLIGHT RIGHT FRONT DOOR COURTESY LIGHT RIGHT FRONT TURN SIGNAL/ PARKING LIGHT RIGHT FRONT TURN/ PARK LIGHT TURN RIGHT LEFT RIGHT REAR COMBINATION LIGHT RIGHT REMOTE CONTROL MIRROR RIGHT SIDE AIR BAG SQUIB RIGHT SLIDE DOOR COURTESY LIGHT RIGHT VANITY LIGHT RL+ RR- RR+ FL- FL+ FR- FR+ SCTY PKBL LSWP SEAT BELT IND SEAT BELT WARNING LIGHT SET/ COAST SFL+ SFL- VUPL SHORT PIN SL- SLIDE OPEN SLN- SLN- SLN+ SOLID STATE SPD IDL OD MO GND SPD KSW SPEEDO- METER SPIRAL CABLE SPO- SRS IND SRS WARNING LIGHT STA MREL ODLP CCV STARTING/ CHARGING STP TS SPO SUPPLEMENTAL RESTRAINTS SYSTEM TACHO- METER TAIL STOP TAIL STOP TURN TAIL STOP TURN TAIL STOP TAM TR TE TS TPD TPI TR TC -SR TILT UP TINH TPH TSET TIRE PRESS IND TIRE PRESSURE IND TPC ELS TC ACMG A/C OXS HTS TRAC OFF IND TRC- ENG- IMLD TRLY HRLY TURN L IND TURN R IND TXCT RXCK NSW UP DOWN DOWN VC HTR HTL 10 20 VSC IND W/ ANTI- THEFT W/ MOON- ROOF W/ POWER DOOR W/O POWER DOOR W/ POWER SLIDE DOOR W/O POWER SLIDE DOOR W/ PWR DOOR LOCKS W/ VSC W/ VSC W/O VSC W/O MOON- ROOF W/O PWR DOOR LOCKS W/O TOW PACKAGE W/O TOW PACKAGE W/ TOW PACKAGE W/O VSC WARNING SYSTEM WARNING SYSTEM WASHER 1 WASHER 2 WASHER IND WATER TEMP