Toyota 4Runner N210 was produced in 2002, 2003, 2004, 2005, 2006, 2007, 2008 and 2009. In this material we will show the locations of electronic control units, description of fuses and relays Toyota 4Runner N210 with block diagrams and photo examples of their implementation. We will highlight the cigarette lighter fuse.

Blocks in the cabin

Location

General layout

  1. Fuse box
  2. Turn signal relay / Daytime running light relay
  3. Suspension ECU
  4. Transponder key amplifier
  5. J/B Center
  6. Anti-theft protection system ECU
  7. Computer with transponder key
  8. Engine Control Module
  9. ECU 4WD Control
  10. Tire pressure monitoring system ECU
  11. Air conditioning control unit
  12. Gearshift Lock ECU
  13. Airbag Sensor Assembly
  14. Body ECU

Fuse box

It is located at the bottom of the instrument panel behind a protective cover.

110A IGN – Multiport fuel injection system/sequential multiport fuel injection system, anti-lock brake system, traction control system (2WD models), active traction control system (4WD models), vehicle stability control system, meter and sensor, front occupant classification system, stop light
210A SRS – SRS airbag system
37.5A GAUGE – Sensors and Counters
47.5A STA NO.2 – Starting system, distributed fuel injection system / sequential distributed fuel injection system
530A FR WIP-WSH – Windshield wipers and washer
6–
720A 4WD – 4WD Control System
8–
9–
1030A DP/SEAT – Driver’s seat with electric adjustment
1130A PP/SEAT – Front passenger seat with electric adjustment
1215A PWR OUTLET – Receptacles
13–
1415A RR WSH – Rear window washer, multiplex communication system
1510A ECU-IG – Shift lock control system, power windows, anti-lock brake system, traction control system (2WD models), active traction control system (4WD models), vehicle stability control system, electric sunroof, multiplex communication system, theft deterrent system, rear height control air suspension, tire pressure warning system, driving position memory system
1615A IG1 – Anti-lock brake system, traction control system (2WD models), active traction control system (4WD models), vehicle stability control system, air conditioning system, charging system, rear window defogger, reversing lights, turn signals, hazard warning lights, heated seats, AC inverter, instrument panel light control, automatic anti-glare inside rearview mirror, seat belt tensioner reducer, SRS air bag system
177.5A STA
1810A SECU/HORN – Anti-theft system
19–
20–
21–
2210A TAIL – Tail lights, number plate light, parking lights, instrument panel light control, multiport fuel injection system/sequential multiport fuel injection system, instrument panel light, meter and gauge, glove box light
237.5A ACC – Power outlets, outside rear view mirrors, audio system, navigation system, shift lock control system, instrument panel lighting, rear seat entertainment system
2410A CIG – Cigarette Lighter
2530A POWER – Electric windows, electric sunroof

The cigarette lighter is protected by fuse number 24 at 10A.

Some relays can be attached to the back side of the blocks.

  • R1 Signal
  • R2 Taillights
  • R3 Power relay
  • R4 Additional accessory connector (DC SKT)

Additional elements

  1. Hatch control unit
  2. Rear Seat Audio Controller
  3. Tire Pressure Monitor Receiver
  4. Stereo Component Amplifier
  5. Rear door ECU
  6. Door control receiver
  7. Towing Converter Relay

Blocks under the hood

Location

General layout

  1. Fuse and relay box
  2. Relay Block #1
  3. Air Injection Control Driver
  4. Anti-skid control unit with drive
  5. Relay Block #2

Fuse and relay box

Located on the left side of the engine compartment next to the battery.

110A Spare Fuse
215A Spare Fuse
3–
4–
5–
610A STOP – Brake/tail lights, high mounted brake light, shift lock control system, anti-lock brake system, traction control system (2WD models), active traction control system (4WD models), vehicle stability control system, rear height adjustment air suspension, multiport fuel injection system/sequential multi-port fuel injection system, trailer brake controller, trailer lights (tail lights)
715A AC115V INV – AC Inverter
815A FR FOG – Front fog lights
9–
107.5A OBD – On-Board Diagnostics
1110A HEAD (LO RH) – Right headlight (low beam)
1210A HEAD (LO LH) – Left headlight (low beam)
1310A HEAD (HI RH) – Right headlight (high beam)
1410A HEAD (HI LH) – Left headlight (high beam)
1510A EFI NO.2 – Multiport fuel injection system / sequential multiport fuel injection system
167.5A HEATER NO.2 – Air Conditioner
1710A AIRSUS NO.2 – Air suspension with height adjustment at the rear
1825A SEAT HEATER – Seat heating
1930A DEFOG – Rear window defogger, multipoint fuel injection system/sequential multipoint fuel injection system
2010A MIR HEATER – Heater for outside rear view mirrors
2110A DOME – Interior Lighting, Personal Lighting, Wireless Remote Control System, Door Lighting, Gauge and Meter, Vanity Lighting, Instrument Panel Lighting, Footrest Lighting, Multiplex Communication System, Rear Seat Audio
2220A RADIO NO.1 – Audio system, navigation system, rear seat entertainment system
2310A ECU−B – Anti-lock brake system, traction control system (2WD models), active traction control system (4WD models), vehicle stability control system, air conditioning system, multiplex communication system, theft deterrent system, driving position memory system, front occupant classification system, navigation system
24–
25–
267.5A ALT−S – Charging system
27–
2810A HORN – Signal
2915A A/F HEATER – A/F Sensor
3015A TRN−HAZ – Direction indicators, hazard warning lights
3110A ETCS – Multi-port fuel injection system / sequential multi-port fuel injection system
3220A EFI – Multiport Fuel Injection System / Sequential Multiport Fuel Injection System
33–
3420A DR/LCK – Electric Door Locking System
3530A TOWING – Towing Converter
3620A RADIO NO.2 – Audio system
37140A ALT – «A/PUMP», «AIRSUS», «AM1», «TOWING BRK», «J/B», «BATT CHG», «TOWING», «TAIL», «STOP», «AC 115V INV», «FR» Fuses «FOG», «OBD», «HEATING», «WORLD HEATER»
3850A A/PUMP – 2005-2009: Multiport fuel injection system / sequential multiport fuel injection system.
50A HEATER – 2002-2003: Air conditioning system.
3950A AIRSUS – Air suspension with height adjustment at the rear
4050A AM1 – All components of fuses “ACC”, “CIG”, “IG1”, “ECU-IG”, “FR WIP-WSH”, “RR WIP”, “RR-WSH”, “4WD” and “STA”
4130A TOWING BRK – Trailer Brake Controller
4250A J/B – All components of fuses “PWR OUTLET”, “DP/SEAT”, “PP/SEAT”, “POWER”, “TAIL” and “SECU/HORN”
4330A BATT CHG – Additional trailer battery
4440A TOWING – Trailer lights (rear lights)
4540A ABS MTR – Anti-lock Braking System, Traction Control System (2WD models), Active Traction Control System (4WD models), Vehicle Stability Control System
4630A AM2 – Starter System, IGN, GAUGE, STA NO.2 and SRS Fuses
4750A ABS SOL – 2002-2004: Anti-lock braking system, traction control system (2WD models), active traction control system (4WD models), vehicle stability control system.
30A ABS SOL – 2005-2009: Anti-lock braking system, traction control system (2WD models), active traction control system (4WD models), vehicle stability control system.
4860A HEATER – 2004-2009: Air conditioning system.
Relay
R1–
R2Accessory (ACC CUT)
R3Fog lights
R4Starter (STA)
R5Ignition (IG)
R6Heater
R7Air Conditioning Compressor Clutch (MG CLT)
R8AC Inverter (AC115V INV)
R9Rear window heating (DEFOG)
R10–
R11–
R12–
R13Stop lights (STOP LP CTRL)
R14Circuit Breaker Relay (C/OPN)
R15Interior Lighting, Garage Door Opener (DOOM)
R16EFI
R17Air/fuel ratio sensor (A/F HEATER)
R18Fuel pump
R19Headlight

Relay Block #1

Air suspension relay (AIR SUS).

Relay Block #2

  • R1 Additional trailer battery
  • R2 Trailer Lights (TOWING REAR)