EVAP Canister Purge Valve and Its Circuit Inspection

EVAP Canister Purge Valve and Its Circuit Inspection

1) Prepare to operate EVAP canister purge valve as follows.
a) When using SUZUKI scan tool:
i) Connect SUZUKI scan tool to DLC with ignition switch OFF and disconnect purge valve vacuum hoses from pipes.
ii) Turn ON ignition switch, clear DTC and select "MISC. TEST" mode on SUZUKI scan tool.
Special Tool
SUZUKI scan tool (Tech 2 kit)





b) When not using SUZUKI scan tool:
i) Disconnect purge valve vacuum hoses from pipes.
ii) Turn ON ignition switch. Using service wire, ground "C46-6" terminal of ECM connector (valve ON) "B" and unground it (valve OFF) "A".





2) Check purge valve for operation and vacuum passage for clog when valve is switched ON and OFF by using SUZUKI scan tool or service wire.

If check result is not described, check vacuum hoses, purge valve referring to EVAP Canister Purge Valve Inspection EVAP Canister Purge Valve Inspection
, wire harness and connections.

EVAP canister purge valve specification
[A] Valve OFF: When blowing into hose "A", air should not come out of hose "B".
[B] Valve ON: When blowing into hose "A", air should come out of hose "B".