Diagnostic Procedure

1. Turn ignition switch OFF.
2. Loosen and retighten three ground screws on the body. Refer to "GROUND INSPECTION ".
   Fig 1: Checking Ground Connections

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OK or NG 

OK: GO TO 2.

NG: Repair or replace ground connections.

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

   Water should not exist. 

OK or NG 

OK: GO TO 3.

NG: Repair or replace harness connector.

Fig 2: Identifying EVAP Canister Vent Control Valve And EVAP Control System Pressure Sensor

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Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO 4.

NG: Replace EVAP control system pressure sensor.

Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

For Wiring Diagram, refer to WIRING DIAGRAM .

: INSPECTION END