Engine Will Not Crank
Test 1 - 2:
Test 3 - 7:
Test 8 - 12:
Test 13 - 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
- 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