Operation CHARM: Car repair manuals for everyone.

Ignition Control Module: Testing and Inspection





1. Connect the negative (-) terminal of a 3 Volt power supply to terminal 2 of the power transistor; then check whether there is continuity between terminal 3 and terminal 2 when terminal 1 and the positive (+) terminal are connected and disconnected.





2. Replace the power transistor if there is a malfunction.