EVAP Canister Vent Valve and Its Circuit Inspection

WARNING: Do not suck the air through valve. Fuel vapor inside valve is harmful.

Disconnect hose from EVAP canister.
With ignition switch ON, blow into hose "A" (1). Air should come out of hose "B" (2).

Fig 1: Blowing Into Hose
Courtesy of SUZUKI OF AMERICA CORP.
Connect SUZUKI scan tool (1) to DLC (2) with ignition switch OFF.
Turn ON EVAP canister vent valve by using SUZUKI scan tool with ignition switch ON.
In this state, blow from "A" (3).

Air should not come out of "B" (4).

If check results are as describe above, EVAP canister vent valve and its circuit are in good condition, connect vacuum hoses securely.

If not, check vent valve, wire harness and connections.

Fig 2: Checking EVAP Canister Vent Valve
Courtesy of SUZUKI OF AMERICA CORP.