Engine Control Module: Testing and Inspection

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