EVAP Canister Vent Valve Inspection

With ignition switch OFF, disconnect coupler from EVAP canister vent valve.
Remove canister bracket from vehicle body.
Check resistance between two terminals of EVAP canister vent valve.
If resistance is as specified, proceed to next step. If not, replace.
1. Resistance of EVAP canister vent valve: 25 - 30 ohmat 20 °C (68 °F)
Fig 1: Checking Resistance Between Terminals Of EVAP Canister Vent Valve
Courtesy of SUZUKI OF AMERICA CORP.
Disconnect vacuum hoses from EVAP canister.
With coupler disconnected, blow from "A". Air should come out of "B".
If not, replace EVAP canister vent valve.
Connect 12 V-battery to EVAP canister vent valve terminals. In this state, blow from "A".
Air should not come out of "B".

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.

Fig 2: Checking EVAP Canister Vent Valve
Courtesy of SUZUKI OF AMERICA CORP.
Install EVAP canister vent valve (2) to canister bracket (1) and canister bracket to vehicle body.

Fig 3: Installing EVAP Canister Vent Valve
Courtesy of SUZUKI OF AMERICA CORP.
Connect vacuum hose.
Connect EVAP canister vent valve coupler securely.