EVAP Canister Vent Valve Inspection
CAUTION:
When checking EVAP canister vent valve, do not apply compressed air. Compressed air could damage EVAP canister vent valve and cause fuel vapor leaks.
- Hoist vehicle.
- With ignition switch OFF, disconnect coupler from EVAP canister vent valve.
- Check resistance between two terminals of EVAP canister vent valve. If resistance is as specified, proceed to next step. If not, replace.
Resistance of EVAP canister vent valve: 25 - 30 ohm at 20°C (68°F)
- Remove EVAP canister vent valve (1) referring to EVAP CANISTER VENT VALVE REMOVAL & INSTALLATION .
- With coupler disconnected, blow breath (2) from port (3). Breath should come out of port (4). If not, replace EVAP canister vent valve.
- Connect 12 V-battery to EVAP canister vent valve terminals. In this state, blow breath from port (3). Breath should not come out of port (4).
If check result is not specified above, replace EVAP canister vent valve.
WARNING: Do not suck the air through valve. Fuel vapor inside valve is harmful.CAUTION: Check to make sure that connection is made between correct terminals. Wrong connection can cause damage to EVAP canister vent valve. - Check O-ring (1) for deterioration and damage, and then install EVAP canister vent valve (2) to EVAP canister referring to EVAP CANISTER VENT VALVE REMOVAL & INSTALLATION .