FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Engine Will Not Crank

Test 1 - Test 2:




Test 3 - Test 7:




Test 8 - Test 12:




Test 13 - Test 14:






SYMPTOM
ENGINE WILL NOT CRANK

POSSIBLE CAUSES
- Battery cable high resistance
- Battery cables
- Checking ECM power and grounds
- Checking for TCM codes
- ECM
- ECM codes present
- Ignition switch output (start) circuit open
- Mechanical problem
- SKREEM codes present
- Starter motor
- Starter motor relay
- Starter motor relay circuit(s) open
- Starter motor relay circuit(s) shorted to ground
- Starter relay control circuit shorted to voltage
- Starter relay output circuit open