6. Detect Malfunctioning Part

Check the following.

• Harness connectors B101, M81
• Harness for open or short between EVAP control system pressure sensor and ECM
• Harness for open or short between EVAP control system pressure sensor and TCM
  1. : Repair open circuit or short to ground or short to power in harness or connectors.

EVAP Canister & Components The sensor output voltage to the ECM increases as pressure increases