Operation CHARM: Car repair manuals for everyone.

No Response From PCM With A No Start Condition

Test 1 - 2:




Test 3 - 7:




Test 8 - 9:






SYMPTOM
NO RESPONSE FROM PCM WITH A NO START CONDITION

POSSIBLE CAUSES
- PCM fused B+ circuits
- PCM no response
- PCM fused ignition switch output circuits
- PCM ground circuits
- TP sensor
- 5-volt sensor open or shorted
- (K7) 5-volt supply CKT short to ground
- (K6) 5-volt circuit supply shorted to ground
- PCM