Operation CHARM: Car repair manuals for everyone.

Test 14-Step D, Logic Module Ground Circuit


1. Place ignition switch in Off position, then disconnect logic module red electrical connector.
2. Connect an ohmmeter between terminal No. 24 of logic module red connector and ground.
3. If ohmmeter indicates continuity, proceed to Test 14 step E.
4. If ohmmeter does not indicate continuity, check wiring from terminal No. 24 for an open circuit.