Operation CHARM: Car repair manuals for everyone.

Ignition Control Module: Testing and Inspection

- Disconnect left-hand four-pin plug from EZ control unit.

EZ Control Unit (Left 4-Pin Plug):





- Connect voltmeter to terminal 15 (+) and terminal 31 (-) of plug.
- Turn ignition ON. Should be battery voltage.
- If no voltage displayed, trace fault with wiring diagram.

Note: Terminal 15 is switched across ignition system relay and should remain activated for 3 - 7 seconds.