Canister Purge Control Valve: Testing and Inspection
EVAP Canister Purge Valve InspectionWARNING: Do not apply vacuum using your mouth; otherwise harmful fuel vapor can be breathed in.
CAUTION: Do not apply vacuum more than -67 kPa (-0.68 kgf/cm2, -9.72 psi, -0.67 bar); otherwise EVAP canister purge valve could be damaged.
1. With ignition switch turned to OFF, disconnect connector and vacuum hoses from EVAP canister purge valve.
2. Remove purge valve.
3. Check resistance between two terminals of purge valve (1).
If faulty condition is found, replace purge valve.
EVAP canister resistance : 22 - 26 Ohms at 20 °C (68 °F)
4. Check purge valve operation as follows.
If faulty condition is found, replace purge valve.
a. Install special tool and vacuum hose (2) to purge valve (1).
Special Tool (A): 09917-47011
b. Check that vacuum of -60 kPa (-0.6 kgf/cm2, 8.7 psi, -0.6 bar) can be applied to purge valve when 12 V battery is not connected to purge valve terminals.
c. Check that no vacuum can be applied to purge valve when 12 V battery is connected to purge valve terminals.
