Operation CHARM: Car repair manuals for everyone.

No Crank Condition

Tests 1 - 3:




Tests 4 - 8:




Tests 9 - 12:




Tests 13 - 17:




Test 18:





SYMPTOM
ENGINE WILL NOT CRANK

POSSIBLE CAUSES
- Battery circuit resistance too high
- Fused B(+) circuit open
- Fused B(+) circuit open
- Ignition switch output circuit open
- Ignition switch output circuit open
- Park/Neutral switch sense circuit open
- Starter relay ground circuit open
- Starter relay output circuit open
- Starter motor
- Starter relay
- Starter relay defective