Wiring Diagrams for Toyota 4Runner III (1995-2003)

Automatic a/c circuit Heater circuit, front Heater circuit, rear Manual a/c circuit

Anti-lock brake circuits

Forced entry circuit Immobilizer circuit

Body computer circuits

Computer data lines

Cruise control circuit

Defogger circuit

Wiring diagram engine performance 3.4ls

Back-up lamps circuit Exterior lamps circuit

Ground distribution circuit

Headlight circuit, with drl Headlight circuit, without drl

Horn circuit

Instrument cluster circuit

Courtesy lamps circuit Instrument illumination circuit

Power antenna circuit

Power distribution circuit

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

Power mirror circuit, without power windows Power mirror circuit, with power windows

Driver power seat circuit Heated seats circuit Passenger power seat circuit

Moonroof circuit

Power windows circuit Tailgate power window circuit

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

Shift interlock circuit

Charging circuit Starting circuit

Supplemental restraint circuit

4wd circuit A/t circuit

Warning system circuits

Front washer/wiper circuit Rear washer/wiper circuit

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 HORN P/W POWER DEF A/C AMPLIFIER ANTI-LOCK BRAKE SYSTEM ANTI-LOCK BRAKES SYSTEM BATTERY GROUND CENTER DIFF LOCK CENTER DIFF LOCK IND LEFT HORN RADIO, PLAYER OR STEREO POWER AMPLIFIER REAR HEATER BLOWER RESISTOR RIGHT HORN SHIFT LOCK CONTROL COMPUTER STARTING/CHARGING SYSTEM ANTI-LOCK BRAKES SYSTEM STEREO COMPONENT AMPLIFIER STEREO POWER AMPLIFIER TRANSPONDER KEY AMPLIFIER W/ BUILT-IN AMPLIFIER W/ SEPARATE AMPLIFIER

2-4 SELECT MOTOR AIR VENT MODE CONTROL SERVO MOTOR AUTOMATIC DISCONNECTING DIFFERENTIAL ADD ACTUATOR BACK DOOR LOCK MOTOR BACK WINDOW MOTOR BLOWER MOTOR LINEAR CONTROLLER DRIVER'S SEAT LUMBAR SUPPORT MOTOR DRIVER'S SEAT RECLINING CONTROL MOTOR DRIVER'S SEAT SLIDE CONTROL MOTOR DRIVER'S SEAT VERTICAL CONTROL MOTOR ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM COMPUTER DATA LINES SYSTEM ENGINE CONTROLS, STARTING, TRANSMISSIONS SYSTEM ENGINE CONTROLS, TRANSMISSIONS SYSTEMS ENGINE ROOM R/B ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT, ON INNER FROM ENGINE ROOM LEFT FRONT POWER WINDOW MOTOR LEFT REAR DOOR LOCK MOTOR LEFT REAR POWER WINDOW MOTOR MOTOR POSITION SWITCHES PASSENGER'S SEAT RECLINING CONTROL MOTOR PASSENGER'S SEAT SLIDE CONTROL MOTOR RIGHT FRONT POWER WINDOW MOTOR RIGHT REAR DOOR LOCK MOTOR RIGHT REAR POWER WINDOW MOTOR STARTING, ENGINE CONTROLS SYSTEM TO ENGINE ROOM R/B (DIAGRAM TRANSMISSIONS SYSTEM AIR CONDITIONING SYSTEM ENGINE CONTROLS SYSTEM VSC ACTUATOR

AUTO ANTENNA

DATA LINK CONNECTOR 3 TRAILER SOCKET FUEL PUMP

ENGINE CONTROL MODULE ENGINE CONTROL MODULE SECURITY INDICATOR LIGHT

1 3 2 18 POWER IG ECU-B 2 3 ECU-B IG 7 10 1 8 HAZ ECU-IG HORN GND 9 3 10 13 8 WIP POWER ECU-IG WMTR GND BACK DOOR ECU BODY ECU BODY ECU POWER RELAY BODY ECU PWR P/W ECU-IG ECU B+ ECU-B FUSE ECU-IG ECU-IG FUSE ECU-IG FUSE WIPER FUSE HAZ GND WIP ECU-IG IG POWER ECU-B R/W INT R/W ON ECU-B VSC ECU

ABS 1 FUSE ABS 2 FUSE ALT FUSE ALT FUSE TOWING FUSE ALT-S FUSE ALT-S FUSE FENDER PANEL) DEFOG FUSE DEFOG FUSE TAIL FUSE DOME FUSE DRL FUSE EFI FUSE ENGINE ROOM J/B A/C FUSE ETCS FUSE FOG FUSE FUSE BOX GAUGE FUSE GUAGE FUSE HEAD HI RH FUSE HEAD LO RH FUSE HEAD HI LH FUSE HEAD LO LH FUSE HEAD RH FUSE HEAD LH FUSE HEATER FUSE HORN-HAZ FUSE HOT AT ALL TIMES ETCS FUSE IGN FUSE J/B FUSE LEFT HEAD FUSE LEFT HI HEAD FUSE LEFT LO HEAD FUSE MIR HTR FUSE MPX-B FUSE OBD FUSE POWER FUSE PWR OUTLET FUSE RIGHT HEAD FUSE RIGHT HI HEAD FUSE RIGHT LO HEAD FUSE RR HTR FUSE SEAT HTR FUSE STA FUSE STOP FUSE TAIL FUSE TURN FUSE WIPER FUSE

LEFT HEADLIGHT RIGHT HEADLIGHT

DRIVER SEAT BACK HEATER HI LO DRIVER SEAT CUSHION HEATER DRIVER'S SEATBACK HEATER LEFT MIRROR HEATER PASSENGER SEAT BACK HEATER LO PASSENGER SEAT CUSHION HEATER PASSENGER'S SEATBACK HEATER RIGHT MIRROR HEATER

HIGH BEAM INDICATOR

CANANDA OR USA W/ FOG LIGHTS CHARGING SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS, INTERIOR LIGHTS SYSTEMS, CLOCK HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LEFT REAR COMBINATION LAMP LICENSE PLATE LIGHT RIGHT REAR COMBINATION LAMP

A/C MAGNETIC CLUTCH RELAY ABS MTR RELAY AUTO ANTENNA CONTROL RELAY DAYTIME RUNNING LIGHT RELAY 4 DEFOG RELAY DIMMER RELAY EFI RELAY EXTRA HIGH SPEED RELAY FLASH RELAY FLASHER RELAY FOG RELAY HEAD RELAY HEATER FUSE DEFOG RELAY HEATER RELAY HEATER RELAY A/C FUSE MOON ROOF CONTROL RELAY, SWITCH POWER OUTLET RELAY POWER OUTLET RELAY STARTER RELAY HEATER RELAY POWER RELAY PWR RELAY REAR HEATER RELAY STARTER RELAY TAIL RELAY TRC MOTOR RELAY WIPER RELAY

CENTER AIR BAG SENSOR ASSEMBLY HEATED OXYGEN SENSOR BANK 1 SENSOR 2 STEERING SENSOR

LEFT FRONT DOOR SPEAKER LEFT FRONT DOOR SPEAKER RIGHT FRONT DOOR SPEAKER LEFT REAR DOOR SPEAKER RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER

2-4 SELECT SWITCH A/C DUAL PRESSURE SWITCH BACK DOOR COURTESY SWITCH BACK DOOR LOCK MOTOR, UNLOCK DETECTION SWITCH BACK DOOR UNLOCK DETECTION SWITCH BACK WINDOW CONTROL SWITCH BACK WINDOW LIMIT SWITCH BACK WINDOW LIMIT SWITCH REAR WIPER MOTOR BACK WINDOW LOCK SWITCH BLOWER SWITCH BLOWER SWITCH BLOWER RESISTOR BRAKE FLUID LEVEL WARNING SWITCH BUCKLE SWITCH CENTER CLUSTER SWITCH CENTER DIFFERENTIAL LOCK SWITCH COMBINATION SWITCH COMBINATION SWITCH HIGH LOW FLASH DETECTION SWITCH DETECTION SWITCH (TRANSFER DIMMER SWITCH DIMMER SWITCH FOGLIGHT SWITCH DRIVER SEAT HEATER SWITCH IG DRIVER'S LUMBAR SUPPORT POWER SEAT CONTROL SWITCH DRIVER'S POWER SEAT CONTROL SWITCH DRIVER'S SEAT HEATER SWITCH PASSENGER'S SEAT HEATER SWITCH DRIVER'S SEAT LUMBAR SUPPORT CONTROL SWITCH ELECTRONICALLY CONTROLLED TRANSMISION PATTERN SELECT SWITCH ENGINE HOOD COURTESY SWITCH FRONT PASSENGER POWER SEAT CONTROL SWITCH FRONT WIPER/ WASHER SWITCH FRONT, REAR WIPER, WASHER SWITCH HAZARD SWITCH HEATER CONTROL PANEL SWITCH HORN SWITCH IGNITION SWITCH LEFT BUCKLE SWITCH LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT DOOR KEY LOCK/ UNLOCK SWITCH LEFT FRONT DOOR LOCK CONTROL SWITCH LEFT FRONT DOOR LOCK CONTROL SWITCH LEFT FRONT DOOR KEY LOCK, UNLOCK SWITCH LEFT FRONT DOOR LOCK MOTOR, UNLOCK DETECTION SWITCH LEFT FRONT DOOR UNLOCK DETECTION SWITCH LEFT FRONT SEAT BELT BUCKLE SWITCH LEFT REAR DOOR COURTESY SWITCH LEFT REAR DOOR LOCK MOTOR, UNLOCK DETECTION SWITCH LEFT REAR DOOR UNLOCK DETECTION SWITCH LEFT REAR POWER WINDOW SWITCH LIGHT CONTROL SWITCH O/D MAIN SWITCH KEY INTERLOCK SOLENOID OCCUPANT DETECTION SWITCH PARK/NEUTRAL POSITION SWITCH PASSENGER SEAT HEATER SWITCH PASSENGERS POWER SEAT CONTROL SWITCH POWER WINDOW MASTER SWITCH REAR HEATER BLOWER SWITCH REAR WINDOW DEFOGGER SWITCH UNLOCK WARNING SWITCH REAR WIPER/ WASHER SWITCH REMOTE CONTROL MIRROR SWITCH RIGHT FRONT BUCKLE SWITCH REAR POWER OUTLET VSC ACTUATOR 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 FRONT POWER WINDOW CONTROL SWITCH RIGHT FRONT POWER WINDOW SWITCH RIGHT FRONT SEAT BELT BUCKLE SWITCH RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR DOOR LOCK MOTOR, UNLOCK DETECTION SWITCH RIGHT REAR DOOR UNLOCK DETECTION SWITCH RIGHT REAR POWER WINDOW SWITCH SELECT SWITCH SHIFT LOCK SOLENOID SHIFT LOCK CONTROL SWITCH TAIL HEAD LIGHT SWITCH TAILGATE CONTROL SWITCH TRAC OFF SWITCH TURN SIGNAL SWITCH UNLOCK WARNING SWITCH WASHER LEVEL WARNING SWITCH

ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID KEY INTERLOCK SOLENOID

2 PNK WIRE BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL BLK/YEL WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/WHT WIRE BRN/YEL WIRE GRN WIRE GRN/BLK 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 GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE NCA WIRE ORG/ WIRE PNK ENG- ENG+ ODLP OIL-W WIRE PNK PNK WIRE PNK PSW CCV TBP NE- WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE SPD 2-4 PNK WIRE TRC+ ENG- ENG+ PNK WIRE VIO WIRE VIO/WHT WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/BLU WIRE YEL/GRN WIRE YEL/RED WIRE

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 26 SG ILLUM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 B+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 DU DD BW 1 2 3 4 5 6 7 8 9 10 VGS 1 2 3 4 5 6 7 8 9 10 WA NEO 1 2 3 4 5 6 7 8 11 15 18 19 25 SL 1 2 3 4 5 6 11 14 20 21 PWR 1 2 3 4 SEC IND SH HRY TRY 1 4 6 8 15 16 17 20 +B MREL 1 4 6 8 15 16 20 B+ MREL 1 LT 2 4 8 10 15 CL+ 2 IND 7 8 HOOD SW LSWR 7 17 TC 9 10 CLS OPN 10 5 18 19 11 12 EOM CODE RXCK TXCT KSW IMLD 15 16 4 1 IGSW BATT MREL +B 25 8 17 3 TF (OR +B CODE RXCK TXCT GND 2 3 4 5 +B SU SD AUTO SWL +BM IGSW BATT PI STP +BM IGSW BATT STP +IG +SR P+ P- SIL D- D+ +SL A/C SYSTEM A/T OIL TEMP IND ACT MREL MREL AIR CONDITIONING SYSTEM AIR CONDITIONING, SUPPLEMENTAL RESTRAINTS SYSTEMS ANT AMP ANTI-THEFT SYSTEM ASHTRAY ILLUMINATION AT P IND AUTO A/C AUTOMATIC A/C B/L FOOT B/L FOOT F/D DEF BODY COMPUTER SYSTEM BRAKE IND BS+ CD TF CSW GYAW CENTER J/B CG SG CHARGE IND CHARGE WARNING LIGHT CHARGING SYSTEM CIGARETTE LIGHTER CIGARETTE LIGHTER ILLUMINATION CL- CL- VPA CLOSE/ UP COM- BINATION METER COMBINATION METER COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM CONTROL CIRCUIT COOL WARM CRUISE CONTROL SYSTEM CRUISE IND D IND DATA LINK CONN- ECTOR 1 DATA LINK CONN- ECTOR 3 DEF SW DEFOGGER SYSTEM DEFOGGER SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM DOOR IND DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR OFF ON DRIVER SIDE J/B ECT POWER IND ECT PWR IND ENG- TRC- EOM KSW IMLD WFSE SIL IGSW BATT EXI VSCW BRL IND WT F/D DEF FACE TW AIF AIR AMC AMH HR FR+ FL+ ANT ILL- FR- FR+ FL- FL+ FRESH RECIRC FROM CENTER J/B FRONT INTERIOR LIGHT FRONT LEFT POWER OUTLET FRONT RIGHT POWER OUTLET FRONT, REAR WINDOW CIRCUIT FUEL GAUGE FUEL IND FUEL SENDER FURTHEST POSITION GARAGE DOOR OPENER GLOVE BOX LIGHT GLOVE BOX LIGHT CIGARETTE LIGHTER GND BEEP GND DOWN GND GND GND LMT PLS GND SI +B VM 2 3 4 GND SPD GSS 12 13 14 HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM AIR CONDITIONING SYSTEM TRANSMISSIONS SYSTEM HI LO HI OFF LO HI OFF LO 6 5 4 HIGH BEAM IND HIGH LOW HIGH LOW FLASH HIGH MOUNTED STOP LIGHT HIGH MOUNTED STOP- LIGHT REAR WINDOW DEFOGGER HOOD SW LSWR ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM HORNS SYSTEM HOT AT ALL TIMES HOT AT ON OR START HOT IN HOT IN ACC OR ON HOT IN ON OR ACC HOT IN ON OR START HOT IN ON, START HOT IN RUN OR ACC HOT IN RUN OR START IG+ IG+ AMC AMH FRS REC IGNITION COILS IGNITION KEY CYLINDER LIGHT ILL AMP+ ILL- STX ILL+ CLK IG+ SWD GND DPD INJECTOR 1 INJECTOR 2 INJECTOR 3 INJECTOR 4 INJECTOR 5 INJECTOR 6 INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM J/C 4 J/C 6 J/C 8 KEYLESS BUZZER L IND LEFT BACK-UP LIGHT LEFT END OF DASH) LEFT FRONT LEFT FRONT FENDER) LEFT FRONT FOG LIGHT RIGHT FRONT FOG LIGHT LEFT FRONT FOGLIGHT LEFT FRONT PARKING LIGHT LEFT FRONT POWER OUTLET LEFT FRONT TURN SIGNAL LIGHT LEFT PRETENSIONER LEFT REAR LEFT REAR COMBINATION LIGHT LEFT REAR DOOR UNLOCK LEFT REMOTE CONTROL MIRROR LEFT TURN LEFT TURN IND LICENSE PLATE LIGHT LIMIT SWITCHES LL 1 2 5 7 PL RL NL DL 4 8 3 LL LOW/ MIST LSWP RCTY PCTY LSWD LSWP RCTY PCTY LSWD DEF SW DCTY R/W ON R/W INT B/D CTY ACTD MAL- FUNCTION IND MANUAL A/C MGC TAM TR TS TE TPI TP PSW ACT MIL IND MMT MT+ MT- SR MUTE +B N IND NE+ NEO TRC+ ENG- NOISE FILTER O/D OFF IND OFF HEAD TAIL OFF INT OFF ON INT OIL IND OPEN DOOR WARNING OPEN/ DOWN OPERATION SWITCHES P IND PL RL PL RL NL 10 1 DL PL RL NL RB DL PL- PL+ POWER DISTRIBUTION SYSTEM PR- PR+ PT VZ PTNK VC PU PD RLU R IND RADIO, PLAYER RADIO, PLAYER OR RBE+ REAR INTERIOR LIGHT REAR POWER OUTLET REAR WINDOW DEFOGGER RES+ RETURN POSITION RIGHT BACK-UP LIGHT RIGHT DOWN LEFT UP RIGHT FRONT RIGHT FRONT FOGLIGHT RIGHT FRONT PARKING LIGHT RIGHT FRONT POWER OUTLET RIGHT FRONT TURN SIGNAL LIGHT RIGHT LEFT RIGHT PRETENSIONER RIGHT REAR RIGHT REAR COMBINATION LIGHT RIGHT REAR DOOR UNLOCK RIGHT REMOTE CONTROL MIRROR RIGHT TURN RIGHT TURN IND RIGHT VANITY LIGHT RL RR RRU RRD RXCK TXCT STP SDL - SEAT BELT IND SEAT BELT WARNING LIGHT SEATS SYSTEM SFLH PMC SFLR SRRH SRRR VCM PH SGND LMT PLS SL- SLS+ SLS- SLT+ VPA SLT- SLT- SOLID STATE SPEED- OMETER SPIRAL CABLE SR- SRLR SRLH SERR SFRH SRS IND SRS WARNING LIGHT STA +BM STARTING SYSTEM STARTING/ CHARGING STARTING/ CHARGING SYSTEM STOP TAIL STP KLS+ STR+ SUPPLEMENTAL RESTRAINTS SYSTEM SWL AUTO TAILGATE POWER WINDOW CIRCUIT TC +B TC -SR TFN ODMS ODLP OILW THW THOC TO CENTER J/B TO J/C 9 TP SG MGC ILLUM+ ILLUM- FACE B/L FOOT F/D DEF OUT IN ECON GND TRAILER CONVERTER TRANSFER CASE) TRANSMISSIONS SYSTEM TRC- RR- RR+ RL- RL+ BZ TRC- TRC+ TS TC STP 12 13 14 15 16 17 18 19 20 21 22 23 24 UP DOWN USA USA VG THA VGS GGND VPA SLT- VSC OFF VTA SHIELD VC M- VTA THW THOC VC VYS YD VZ PT VZ PT GND W/0 POWER SEAT W/ 6 SPEAKERS W/ 6 SPEAKERS W/ ANTI- THEFT W/ DRL W/ MOONROOF W/ POWER SEAT W/ POWER SEAT W/O POWER SEAT W/ POWER WINDOW W/O POWER WINDOW W/ POWER WINDOWS W/ANTI-THEFT SYSTEM W/O DRL W/O DRL W/ DRL W/O MOONROOF W/O POWER WINDOW W/O POWER WINDOWS WASH WASH WASHER LEVEL IND WATER TEMP GAUGE WFSE BAT WIP+ WIP- GND WIPER/ WASHER SYSTEM WIPER/WASHER SYSTEM WMTR ACT+ ACT- YSS YD