Operation CHARM: Car repair manuals for everyone.

No Response From PCM With A No Start Condition

Tests 1 - 4:




Tests 5 - 9:




Test 10:




SYMPTOM
*NO RESPONSE FROM PCM WITH A NO START CONDITION

POSSIBLE CAUSES
- PCM fused B+ circuit
- PCM fused ignition switch output circuit
- PCM ground circuits
- PCM
- 5 volt (primary and secondary) supply shorted to ground