EVAP Canister Purge Valve And Its Circuit

WARNING: 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.

Connect SUZUKI scan tool to DLC with ignition switch OFF and disconnect vacuum hoses from each pipe.
Special Tool
1. SUZUKI scan tool
  
  Fig 1: Connecting SUZUKI Scan Tool To DLC
  Courtesy of SUZUKI OF AMERICA CORP.
Turn ignition switch ON, clear DTC and select "MISC TEST" mode on SUZUKI scan tool.
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

Valve OFF [A]: When vacuum (-53 kPa (-7.69 psi) to -67 kPa (-9.72 psi)) is applied to hose (1), vacuum is maintained .

Valve ON [B]: When vacuum is applied to hose (1), air goes into hose (2) .

Special Tool
1. 09917-47011
Fig 2: Checking EVAP Canister Purge Valve Vacuum
Courtesy of SUZUKI OF AMERICA CORP.