EVAP Canister Purge Valve Inspection

With ignition switch OFF, disconnect coupler from canister purge valve.
Check resistance between two terminals of EVAP canister purge valve (1).
If resistance is as specified, proceed to next operation check. If not, replace EVAP canister purge valve.

Resistance of EVAP canister purge valve: 28 - 35 ohm at 20°C (68°F)

Fig 1: Checking Resistance Between Two Terminals Of EVAP Canister Purge Valve
Courtesy of SUZUKI OF AMERICA CORP.
Disconnect vacuum hoses from intake manifold and purge pipe
With coupler disconnected, apply vacuum to hose (1) using a special tool. Vacuum should not be applied to hose (2).
1. Special tool
2. (A): 09917-47911
Fig 2: Applying Vacuum To Hose
Courtesy of SUZUKI OF AMERICA CORP.
Connect 12 V-battery to EVAP canister purge valve (3) terminals. In this state, apply vacuum to hose (1) using a special tool.
Vacuum should be applied to hose (2). If check result is not as described, replace EVAP canister purge valve.

WARNING: Do not suck the air through valve. Fuel vapor inside valve is harmful.
1. Special tool
2. (A): 09917-47911
Fig 3: Checking EVAP Canister Purge Valve (Voltage Applied)
Courtesy of SUZUKI OF AMERICA CORP.
Connect vacuum hoses.
Connect EVAP canister purge valve coupler securely.