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Home >> Suzuki >> 2003 >> XL-7 Base, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Auxiliary Emission Control Devices >> H27 Engine >> Repair Instructions >> EVAP Canister Purge Valve and Its Circuit Inspection
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EVAP Canister Purge Valve and Its Circuit Inspection

  1. Connect SUZUKI scan tool to DLC (1) with ignition switch OFF and disconnect vacuum hoses from each pipe.
    Fig 1: Connecting Scan Tool To DLC
    G01374973Courtesy of SUZUKI OF AMERICA CORP.
  2. Turn ignition switch ON, clear DTC and select "MISC TEST" mode on SUZUKI scan tool.
  3. Check purge valve for operation and vacuum passage for clog when valve is switched ON and OFF by using SUZUKI scan tool.

    If check result is not described, check vacuum hoses, purge valve, wire harness and connections.

    EVAP canister purge valve 

    1. Valve OFF [A]:  When blowing into hose "A", air should not come out of hose "B".
    2. Valve ON [B]:  When blowing into hose "A", air should come out of hose "B".
    Fig 2: Blowing Into Hose
    G01374974Courtesy of SUZUKI OF AMERICA CORP.