EVAP Canister Purge System Inspection

Warm up engine to normal operating temperature.
Hoist vehicle so that all wheels rotate freely.

Fig 1: Rotating Wheel
Courtesy of SUZUKI OF AMERICA CORP.
Set M/T in "Neutral" or A/T in "P" position and parking brake.
Disconnect purge hose (1) from purge valve chamber.
Place finger against the end of disconnected purge hose (1) and check that vacuum is not felt there when engine is running at idle speed.

Fig 2: Checking For Vacuum At Purge Hose
Courtesy of SUZUKI OF AMERICA CORP.
If vehicle equipped with ESP® system, deactivate ESP® system by using SUZUKI scan tool. For details, refer to PRECAUTIONS IN SPEEDOMETER TEST OR OTHER TESTS .
WARNING: The front wheels rotates when servicing the vehicle. Therefore, do not service near the front wheels. Or, there is a possibility of the severe injury.
Release parking brake lever, set M/T in "1st" or A/T in "L".
Also check that vacuum is felt when engine speed is increased to higher than about 1,500 r/min. and keep it for 3 min. or more. If check result is not described in Steps 5) and 7), check EVAP canister purge valve, wire harness and vacuum passage.