Vitara 4WD L4-2.0L (2003)
Canister Purge Control Valve: Testing and Inspection
EVAP Canister Purge Valve Inspection
1. With ignition switch OFF, disconnect coupler from canister purge valve.
2. Check resistance between 2 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
28 - 35 Ohm at 20 °C (68 °F)
3. Disconnect vacuum hoses from intake manifold and its EVAP canister.
4. With coupler disconnected, blow into hose "A" (1). Air should not come out of hose "B" (2).
5. Connect 12 V-battery to EVAP canister purge valve terminals. In this state, blow hose "A" (1). Air should come out of hose "B" (2).
If check result is not as described, replace EVAP canister purge valve (3).
WARNING: Do not suck the air through valve. Fuel vapor inside valve is harmful.
6. Connect vacuum hoses.
7. Connect EVAP canister purge valve coupler securely.