3. Detect Malfunctioning Part
Check the following.
- Harness connectors M135, F105
- Harness connectors E315, F5
- Harness for open or short between crankshaft position sensor (POS) and ECM
- Harness for open or short between crankshaft position sensor (POS) and ECM relay
- : Repair open circuit or short to ground or short to power in harness or connectors.