Operation CHARM: Car repair manuals for everyone.

Ignition Control Module: Testing and Inspection




1. Turn the ignition OFF.
2. Disconnect the ignition coil connector.
3. Connect a test lamp (12 V and 3 W or lower) between the battery positive terminal and No.1 (6) terminal of the power transistor.


CAUTION: The test lamp should be 12 V and 3 W or lower, Otherwise the power transistor may be burnt out.


4. Check the test lamp while cranking the engine. If the test lamp flasher, it is considered to be normal.


CAUTION: To prevent the battery from discharge, do not crank the engine more than 3 times for 10 seconds.


5. If not check the power transistor and replace it if defective.