Diagnostic Procedure

1. Turn ignition switch OFF.
2. Disconnect rubber tube connected to EVAP canister vent control valve. See Figure.
3. Check the rubber tube for clogging.

OK or NG

1. OK: Go to 2.
2. NG: Clean rubber tube using an air blower.

Refer to COMPONENT INSPECTION .

OK or NG

1. OK: Go to 3.
2. NG: Replace EVAP canister vent control valve.

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

Yes or No

1. Yes: Go to 4.
2. No: Go to 6.

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

The weight should be less than 2.1 kg (4.6 lb)  .

OK or NG

1. OK: Go to 6.
2. NG: Go to 5.

Check the following.

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

1. Repair hose or replace EVAP canister.

1. Disconnect EVAP control system pressure sensor harness connector.
2. Check connectors for water.
   1. Water should not exist  .

OK or NG

1. OK: Go to 7.
2. NG: Replace EVAP control system pressure sensor.

Refer to COMPONENT INSPECTION .

OK or NG

1. OK: Go to 8.
2. NG: Replace EVAP control system pressure sensor.

Refer to TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT .

1. Inspection end