EVAP Canister Purge Valve and Its Circuit Inspection
EVAP Canister Purge Valve and Its Circuit InspectionWARNING: Do not apply vacuum by mouth; otherwise harmful fuel vapor can be breathed in.
CAUTION: Do not apply vacuum more than -86 kPa (-12.47 psi); otherwise EVAP canister purge valve could be damaged.
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
(A): SUZUKI scan tool
b. When not using SUZUKI scan tool:
i. Disconnect purge valve vacuum hoses from pipes.
ii. Turn ON ignition switch. Using service wire, ground "C46-30" terminal of ECM connector (valve ON) (2) and unground it (valve OFF) (1).
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.
WARNING: Do not suck the air through valve. Fuel vapor inside valve is harmful.
EVAP canister purge valve specification
[A] Valve OFF: When vacuum (53 kPa ( 7.69 psi) to 67 kPa ( 9.72 psi)) is applied to hose (2), vacuum is maintained.
[B] Valve ON: When vacuum is applied to hose (2), air goes into hose (1).
Special Tool
(A): 09917 47011