4. Detect Malfunctioning Part

Check the following.

• Harness connectors E131, M92
• Harness for open or short between camshaft position sensor (PHASE) and ECM
• Harness for open or short between camshaft position sensor (PHASE) and IPDM E/R
  1. Repair open circuit or short to ground or short to power in harness or connectors.