Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Toyota 4Runner IV

BUZZERS, RELAYS & TIMERS

ComponentComponent Location
ABS MTR RelayOn engine room R/B.
ABS SOL RelayOn engine room R/B.
ACC CUT RelayOn engine room R/B.
AC115 INV RelayOn engine room R/B.
A/F Heater RelayOn engine room R/B.
AIR SUS RelayOn engine room R/B No. 4.
BATT CHG RelayOn engine room R/B No. 3.
C/OPN RelayOn engine room R/B.
Daytime Running Light RelayBehind lower left end of dash, behind driver side J/B. (Схема №5)
DC SKT RelayOn driver side J/B.
DEFOG RelayOn engine room R/B.
DOME RelayOn engine room R/B.
EFI RelayOn engine room R/B.
FR FOG RelayOn engine room R/B.
FUEL PUMP RelayOn engine room R/B.
HEAD RelayOn engine room R/B.
HEATER RelayOn engine room R/B.
HORN RelayOn driver side J/B.
IG RelayOn engine room R/B.
MG CLT RelayOn engine room R/B.
POWER RelayOn driver side J/B.
STA RelayOn engine room R/B.
STOP LP CTRL RelayOn engine room R/B.
TAIL RelayOn driver side J/B.
Towing Converter RelayOn left side of cargo area. (Схема №8)
TOWING TAIL RelayOn engine room R/B No. 3.
TRC MTR RelayOn engine room R/B.
Turn Signal Flasher RelayBehind lower left end of dash, behind driver side J/B. (Схема №5)
Wireless Door Lock Buzzer (4.0L)On left rear of engine compartment.
Wireless Door Lock Buzzer (4.7L)On left rear of engine compartment. (Схема №3)

BUZZERS, RELAYS & TIMERS LOCATION

CIRCUIT PROTECTION DEVICES

ComponentComponent Location
Center J/BBehind right center of dash. (Схема №5)
Driver Side J/BBehind lower left end of dash. (Схема №5)
Engine Room R/BOn left side of engine compartment.
Engine Room R/B No. 3On left side of engine compartment.
Engine Room R/B No. 4On left side of engine compartment.

CIRCUIT PROTECTION DEVICES LOCATION

CONTROL UNITS

ComponentComponent Location
A/C Control AssemblyBehind lower center of dash. (Схема №5)
Air Bag Sensor AssemblyBelow center of dash. (Схема №5)
Back Door ECUIn left side of liftgate. (Схема №8)
Blower Motor ControllerBehind lower right side of dash.
Body ECUBehind lower left end of dash, in driver side J/B. (Схема №5)
Door Control ReceiverOn left "D" pillar, behind trim. (Схема №8)
Engine Control ModuleBehind right end of dash. (Схема №5)
Moon Roof Control ECUAbove headliner, at center of windshield header. (Схема №8)
Navigation ECUOn right side of cargo area. (Схема №8)
Rear Seat Audio ControllerAt top center of roof. (Схема №8)
Shift Lock Control ECUUnder center console, near shift lever assembly. (Схема №5)
Skid Control ECUBehind left end of dash, above driver side J/B. (Схема №5)
Suspension Control ECUBehind left end of dash, near base of "A" pillar. (Схема №5)
Theft Deterrent ECUBehind upper right side of dash. (Схема №5)
Towing Brake ControllerBehind lower left end of dash.
Transponder Key ComputerBehind upper right side of dash. (Схема №5)
Shift Lock Control ECUBelow gear shift lever assembly.
4WD Control ECUBehind lower right end of dash. (Схема №5)

CONTROL UNITS LOCATION

MOTORS

ComponentComponent Location
ABS & BA & TRAC & VSC ActuatorAt left rear of engine compartment, beside brake master cylinder.
ADD Actuator (4.0L)On right front of engine. (Схема №1)
ADD Actuator (4.7L)On right front of engine.
Air Inlet Control Servo MotorBehind upper right end of dash, on HVAC assembly. (Схема №6)
Air Mix Control Servo Motor (Left) (Limited)Behind left center of dash, on HVAC assembly.
Air Mix Control Servo Motor (Right) (Limited)Behind right side of dash, on HVAC assembly.
Air Mix Control Servo Motor (SR5)Behind right side of dash, on HVAC assembly.
Air Vent Mode Control Servo MotorBehind right side of dash, on HVAC assembly. (Схема №6)
Blower MotorBehind lower right side of dash, on HVAC assembly. (Схема №6)
Front Wiper Motor (4.0L)At left rear of engine compartment. (Схема №1)
Front Wiper Motor (4.7L)At left rear of engine compartment. (Схема №3)
Fuel PumpUnder center of rear seat, in fuel tank. (Схема №9)
Height Control CompressorAt left rear of vehicle. (Схема №9)
Height Control MotorAt left rear of vehicle.
Rear Wiper MotorIn center of liftgate. (Схема №9)
Throttle Control MotorOn throttle body.
Transfer Shift ActuatorOn transmission.
Washer MotorAt right front of engine compartment, on washer fluid reservoir.

MOTORS LOCATION

SENDING UNITS & SENSORS

ComponentComponent Location
ABS Speed Sensor (Front) (Left/Right)On respective front spindle/hub assembly.
ABS Speed Sensor (Rear) (Left/Right)On respective side of rear axle.
A/C Ambient Temperature Sensor (4.0L)Behind center of front grille.
A/C Ambient Temperature Sensor (4.7L)Behind center of front grille. (Схема №3)
Accel Position SensorBehind left side of dash.
A/C Evaporator Temperature SensorBehind right side of dash, on HVAC assembly. (Схема №6)
A/C Lock Sensor & Magnetic ClutchOn A/C compressor assembly.
A/C Room Temperature SensorBehind lower left center of dash. (Схема №6)
A/C Solar SensorOn upper left side of dash.
Air Bag Sensor AssemblyBelow center of dash.
Air Bag Sensor (Front) (Left/Right)Behind respective side of front bumper cover.
Air Fuel Ratio Sensor (Bank 1 Sensor 1)On right exhaust pipe, near engine.
Air Fuel Ratio Sensor (Bank 2 Sensor 1)On left exhaust pipe, near engine.
A/T Fluid Temperature Sensor (4.0L)On right side of transmission. (Схема №1)
A/T Fluid Temperature Sensor (4.7L)On right side of transmission.
Automatic Light Control SensorOn upper left side of dash. (Схема №6)
Camshaft Position Sensor (4.7L)On front of left cylinder head. (Схема №3)
Crankshaft Position Sensor (4.0L)On left side of engine. (Схема №1)
Crankshaft Position Sensor (4.7L)On lower front of engine. (Схема №3)
Engine Coolant Temperature Sensor (4.0L)On upper left side of engine. (Схема №1)
Engine Coolant Temperature Sensor (4.7L)On right front of engine. (Схема №3)
Fuel SenderUnder center of rear seat, in fuel tank. (Схема №9)
Heated Oxygen Sensor (Bank 1 Sensor 1) (4.7L)On left exhaust pipe.
Heated Oxygen Sensor (Bank 1 Sensor 2) (4.0L)On right exhaust pipe, near transmission.
Heated Oxygen Sensor (Bank 1 Sensor 2) (4.7L)On left exhaust pipe, near transmission.
Heated Oxygen Sensor (Bank 2 Sensor 1) (4.7L)On right exhaust pipe.
Heated Oxygen Sensor (Bank 2 Sensor 2) (4.0L)On left exhaust pipe, near transmission.
Heated Oxygen Sensor (Bank 2 Sensor 2) (4.7L)On right exhaust pipe, near transmission.
Knock Sensor No. 1 (4.0L)On top of engine. (Схема №1)
Knock Sensor No. 1 (4.7L)On left side of engine, below intake manifold.
Knock Sensor No. 2 (4.0L)On top of engine. (Схема №1)
Knock Sensor No. 2 (4.7L)On right side of engine, below intake manifold.
Mass Airflow Meter (4.0L)On right side of engine compartment, on air intake.
Mass Airflow Meter (4.7L)On right side of engine compartment, on air intake. (Схема №3)
Occupant Detection SensorUnder right front seat.
Rear Height Control Sensor (Left/Right)On respective side of rear axle assembly.
Seat Position Air Bag SensorUnder left front seat.
Side Air Bag Sensor (Front) (Left/Right)At base of respective "B" pillar.
Side Air Bag Sensor (Rear) (Left/Right)Near top front of respective rear wheelwell.
Steering SensorIn steering column.
Tension Reducer Solenoid (Left/Right)At base of respective "B" pillar.
Throttle Position SensorOn throttle body.
Turbine Speed SensorOn left side of transmission.
Vapor Pressure SensorNear left rear fenderwell.
Vehicle Speed Sensor (Electronically Controlled Transmission)On transmission.
VVT Sensor (Left) (4.0L)On front of left cylinder head.
VVT Sensor (Right) (4.0L)On front of right cylinder head.
Washer Level SensorAt right front of engine compartment, on washer fluid reservoir.
Yaw Rate SensorBelow front of center console.

SENDING UNITS & SENSORS LOCATION

SOLENOIDS & SOLENOID VALVES

ComponentComponent Location
Camshaft Timing Oil Control Valve (Left) (4.0L)On front of left cylinder head. (Схема №1)
Electronically Controlled Transmission Solenoid (4.0L)On transmission.
Electronically Controlled Transmission Solenoid (4.7L)On transmission. (Схема №3)
Height Control ValveAt left rear of vehicle. (Схема №9)
Low Pressure Tank ValveAt left rear of vehicle. (Схема №9)
VSV (ACIS) (4.0L)On rear of engine. (Схема №1)
VSV (Canister Closed Valve)At left rear of vehicle. (Схема №9)
VSV (EVAP) (4.0L)On upper left side of engine. (Схема №1)
VSV (EVAP) (4.7L)On upper left side of engine. (Схема №3)

SOLENOIDS & SOLENOID VALVES LOCATION

SWITCHES

ComponentComponent Location
Buckle Switch (Left/Right)On respective seat belt buckle.
Engine Hood Courtesy SwitchAt center front of engine compartment, near hood latch.
Oil Pressure Switch (4.0L)On left front of engine. (Схема №1)
Oil Pressure Switch (4.7L)On left front of engine. (Схема №3)
Parking Brake SwitchBehind upper left end of dash.
Park/Neutral Position Switch (4.0L)On right side of transmission.
Park/Neutral Position Switch (4.7L)On right side of transmission. (Схема №3)
Power Steering Oil Pressure Switch (4.0L)At right front of engine compartment. (Схема №1)
Pressure Switch (4.0L)On right front of engine compartment.
Pressure Switch (4.7L)On right front of engine compartment. (Схема №3)
Rear Wiper Position SwitchIn center of liftgate.
Stoplight SwitchBehind left side of dash, above brake pedal.
Transmission Control SwitchUnder center console, near shift lever assembly.

SWITCHES LOCATION

MISCELLANEOUS

ComponentComponent Location
Antenna AmplifierBehind center of dash.
Data Link Connector No. 3Below left side of dash. (Схема №6)
Fuel Pump Resistor (4.0L)On left side of engine compartment, behind engine room R/B.
Fuel Pump Resistor (4.7L)On left side of engine compartment, behind engine room R/B. (Схема №3)
Junction Connectors No. 1, 2 & 3 (4.0L)On left front of engine compartment, near battery.
Junction Connectors No. 1, 2 & 3 (4.7L)On left front of engine compartment, near battery. (Схема №3)
Junction Connector No. 4Behind upper left end of dash.
Junction Connector No. 5Behind right kick panel.
Junction Connectors No. 6 & 7Behind left end of dash.
Junction Connectors No. 8 Through 23Behind instrument cluster.
Junction Connector No. 24Behind lower right center of dash.
Junction Connector No. 25Behind right center of dash.
Junction Connectors No. 26, 27 & 28Behind right side of dash, near firewall grommet.
Junction Connectors No. 29 Through 36Behind right end of dash.
Junction Connector No. 37Behind right kick panel.
Junction Connector No. 38In left front door. (Схема №9)
Junction Connector No. 39Near front of left rear wheelwell. (Схема №9)
Junction Connectors No. 40 & 41On left side of cargo area, near "D" pillar. (Схема №9)
Junction Connector No. 42Near front of right rear wheelwell. (Схема №9)
Junction Connectors No. 43 & 44Under left front seat.
Junction Connectors No. 45 & 46Under right front seat.
Noise Filter Ignition No. 1 (4.0L)At rear of engine. (Схема №1)
Noise Filter Ignition No. 1 (4.7L)On upper left side of engine.
Noise Filter Ignition No. 2 (4.7L)On upper right side of engine.
Pretensioner (Left/Right)At base of respective "B" pillar.
Stereo Component AmplifierOn right side of cargo area. (Схема №8)
Television CameraIn center rear of liftgate. (Схема №9)
Transponder Key AmplifierIn right side of steering column. (Схема №5)
Voltage InverterOn left side of cargo area. (Схема №9)

MISCELLANEOUS LOCATION

CONNECTORS

ComponentComponent Location
BA1 (White, 12 Pin)Near base of left "B" pillar. (Схема №10)
BB1 (White, 12 Pin)Near base of right "B" pillar. (Схема №10)
BC1 (White, 11 Pin)Under left rear seat.
BC2 (White, 22 Pin)Under left rear seat.
BD1 (White, 12 Pin)Near top of left "D" pillar.
BD2 (Green, 4 Pin)Near top of left "D" pillar.
BE1 (White, 4 Pin)On right side of frame crossmember, near left rear wheelwell. (Схема №10)
BF1 (Black, 3 Pin)Near left side of rear bumper. (Схема №10)
BG1 (Gray, 4 Pin)Near left side of rear bumper. (Схема №10)
BH1 (Blue, 10 Pin)In left side of liftgate. (Схема №10)
EA1 (4.0L) (Gray, 4 Pin)Under engine room R/B. (Схема №2)
EA1 (4.7L) (Gray, 6 Pin)Under engine room R/B. (Схема №4)
EB1 (4.7L) (Gray, 6 Pin)Near starter.
EC1 (4.0L) (Gray, 6 Pin)Near front differential.
ED1 (4.0L) (Dark Gray, 6 Pin)Near rear of right cylinder head.
IA1 (White, 18 Pin)Behind left kick panel.
IA2 (White, 13 Pin)Behind left kick panel.
IB1 (White, 2 Pin)Behind left kick panel. (Схема №7)
IB2 (White, 11 Pin)Behind left kick panel.
IC1 (Yellow, 2 Pin)Behind left kick panel. (Схема №7)
IC2 (Gray, 22 Pin)Behind left kick panel.
IC3 (Blue, 18 Pin)Behind left kick panel.
IC4 (White, 43 Pin)Behind left kick panel.
ID1 (White, 16 Pin)Behind left kick panel. (Схема №7)
IE1 (White, 43 Pin)Behind left kick panel. (Схема №7)
IF1 (Black, 12 Pin)Behind instrument panel J/B.
IG1 (White, 6 Pin)Behind instrument cluster. (Схема №7)
IH1 (White, 10 Pin)Behind instrument cluster.
II1 (White, 6 Pin)Behind left center of dash.
IJ1 (White, 2 Pin)Behind right center of dash.
IK1 (White, 4 Pin)Behind upper left side of glove box. (Схема №7)
IL1 (White, 2 Pin)Behind upper right side of glove box. (Схема №7)
IM1 (White, 13 Pin)Behind right side of dash. (Схема №7)
IM2 (White, 22 Pin)Behind right side of dash. (Схема №7)
IN1 (Blue, 10 Pin)Behind right kick panel.
IN2 (Yellow, 2 Pin)Behind right kick panel.
IO1 (Gray, 12 Pin)Behind right kick panel.
IO2 (White, 43 Pin)Behind right kick panel. (Схема №7)
IP1 (White, 18 Pin)Behind right kick panel.
IP2 (White, 13 Pin)Behind right kick panel.
IQ1 (White, 6 Pin)Behind right center of dash.
IR1 (White, 6 Pin)Under center console, behind shift lever assembly. (Схема №7)
IS1 (White, 2 Pin)Under center console, behind shift lever assembly. (Схема №7)

CONNECTORS LOCATION

GROUNDS

ComponentComponent Location
BLBelow left front seat. (Схема №10)
BMBelow right front seat. (Схема №10)
BNOn left rear of frame. (Схема №10)
BOOn left "D" pillar. (Схема №10)
BPOn right "D" pillar. (Схема №10)
EA (4.0L)On right front inner fender. (Схема №2)
EA (4.7L)On right front inner fender. (Схема №4)
EB (4.0L)On left front inner fender. (Схема №2)
EB (4.7L)On left front inner fender. (Схема №4)
EC (4.7L)On right cylinder head. (Схема №4)
ED (4.7L)On left cylinder head. (Схема №4)
EE (4.0L)On rear of right cylinder head. (Схема №2)
EE (4.7L)On rear of right cylinder head. (Схема №4)
EF (4.0L)On rear of left cylinder head. (Схема №2)
EF (4.7L)On rear of left cylinder head. (Схема №4)
IGOn left kick panel. (Схема №7)
IHBehind left center of dash. (Схема №7)
IIBehind right center of dash. (Схема №7)
IJBehind right center of dash. (Схема №7)
IKOn right kick panel. (Схема №7)

GROUNDS LOCATION