Diagnostic Procedure

1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body. See Figure. Refer to GROUND INSPECTION .

OK or NG

1. OK: Go to 2.
2. NG: Repair or replace ground connections.

1. Disconnect EVAP control system pressure sensor harness connector. See Figure.
2. Check sensor harness connector for water.

Water should not exist  .

OK or NG

1. OK: Go to 3.
2. NG: Repair or replace harness connector.

Refer to COMPONENT INSPECTION .

OK or NG

1. OK: Go to 4.
2. NG: Replace EVAP control system pressure sensor.

Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .

For wiring diagram, Refer to WIRING DIAGRAM .

1. Inspection end