Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect rubber tube connected to EVAP canister vent control valve.
   Fig 1: Identifying EVAP Canister, Vent Control Valve, EVAP Control System Pressure Sensor And Rear Suspension Member

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3. Check the rubber tube for clogging.

   OK or NG 

   OK: GO TO 2.

   NG: Clean rubber tube using an air blower.

Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO 3.

NG: Replace EVAP canister vent control valve. Refer to EVAP CANISTER .

1. Remove EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor attached. Refer to EVAP CANISTER .
2. Check if water will drain from the EVAP canister.

   Yes or No 

   Yes: GO TO 4.

   No: GO TO  6.

   Fig 2: Checking Water Drain From EVAP Canister

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Weigh the EVAP canister with the EVAP canister vent control valve and EVAP control system pressure sensor attached.

The weight should be less than 2.5 kg (5.5 lb). 

OK or NG 

OK: GO TO  6.

NG: GO TO 5.

Check the following.

• EVAP canister for damage
• EVAP hose between EVAP canister and vehicle frame for clogging or poor connection

  : Repair hose or replace EVAP canister. Refer to "REMOVAL AND INSTALLATION " or "REMOVAL AND INSTALLATION ".

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

   Water should not exist. 

   OK or NG 

   OK: GO TO 7.

   NG: Replace EVAP control system pressure sensor. Refer to EVAP CANISTER .

Refer to "COMPONENT INSPECTION ".

OK or NG 

OK: GO TO 8.

NG: Replace EVAP control system pressure sensor. Refer to EVAP CANISTER .

Refer to "HOW TO CHECK TERMINAL " and "INTERMITTENT INCIDENT ".

INSPECTION END