Operation CHARM: Car repair manuals for everyone.
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Ignition Control Module: Testing and Inspection

Ignition Power Transistor:





1. Disconnect the ignition power transistor connector. Check the continuity between terminals 5 and 12 with the voltage applied and not applied.

NOTE: An analog type ohmmeter should be used.


Ignition Power Transistor Continuity Table:





2. Replace the ignition power transistor if it is defective.