Computers and Control Systems: Locations

Component Locations:

Air Flow Sensor
Mounted to the air cleaner box in the right corner of the engine compartment.

Circuit Opening Relay
Mounted to the ECU, under the right side of the dash.

Electronic Control Unit (ECU)
Mounted under the right side of the dash.

EFI Main Relay
In the relay box in the left front corner of the engine compartment.

EGR Temperature Sensor
Threaded into the EGR valve on the left side of the intake air chamber.

Fuel Pressure VSV
Mounted near the fuel rail on the left rear corner of the intake manifold.

Fuel Pump Relay
Mounted to the right side of the engine compartment.

Fuel Pump Resistor
Mounted to the right side of the engine compartment.

Idle Speed Control (ISC) Valve
Mounted to the front of the air intake chamber.

Knock Sensors
Mounted to the engine block under the intake manifold.

Water Temperature Sensor
Threaded into the front of the intake manifold.