Engine Control Module: Testing and Inspection

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25 Position ECU Plug:

For Terminal ID please refer to "Computers and Control Systems : Engine Control Module : Diagrams". Connector Views

Y = Yellow ECU
B = Black/Blue ECU

Grounds
* Good chassis ground.

Battery Supply

Main Relay Supply

Reference Supply

Injector Supply

Coolant Temperature Sensor

Air Temperature Sensor

Throttle Position Sensor

Air Mass Meter

Fuel Pump Relay

Air Conditioner Control

EGR Temperature Sensor

Transmission Switch

Oxygen Sensor

Start Signal

Air Induction Relay

EGR Solenoid Vacuum Valve

Purge Vale

Air Supplement Valve

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