LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 1984 >> 4Runner Base >> Repair and Diagnosis >> Quick Lookups >> Electrical Component Locations >> Electrical Component Locator >> Sending Units/Sensors
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Sending Units/Sensors

SENDING UNITS/SENSORS LOCATION

Component Location
A/C Ambient Temperature Sensor On left side of condenser.
A/C In-Car Temperature Sensor On top of evaporator housing. See Figure.
Airflow Sensor In left front corner of engine compartment.
Catalytic Conv. Temperature Sensor (Calif.) In rear of catalytic converter. See Figure.
Coolant Temperature Sending Unit In coolant flange on right side of engine block. See Figure.
Fuel Gauge Sending Unit In top rear center of fuel tank. See Figure.
Glow Plug Coolant Temperature Sensor On right side of engine block.
Glow Plug Current Sensor Above No. 3 glow plug.
Knock Sensor On side of engine, near intake manifold.
Oil Pressure Sending Unit On lower left front side of engine block. See Figure.
Oxygen Sensor In exhaust manifold.
Throttle Position Sensor On side of throttle body.
Vehicle Speed Sensor On back of speedometer.