EVAP Canister Vent Valve Circuit Check

WARNING: Do not suck the air through valve. Fuel vapor inside valve is harmful.

CAUTION: When checking EVAP canister vent valve, do not apply compressed air. Compressed air could damage EVAP leak check module and cause fuel vapor leaks.

Remove EVAP leak check module (1) referring to "EVAP LEAK CHECK MODULE REMOVAL AND INSTALLATION ".
Connect connector to EVAP leak check module.
Check EVAP canister vent valve operation in EVAP leak check module as follows.
1. With ignition switch ON, blow breath (2) into port (3). Breath should come out of port (4).
  
  Fig 1: Checking EVAP Canister Vent Valve Operation In EVAP Leak Check Module
  Courtesy of SUZUKI OF AMERICA CORP.
2. Connect SUZUKI scan tool (1) to DLC (2) with ignition switch OFF.
3. Turn ignition switch to ON position, clear DTC and select "MISC TEST" mode on SUZUKI scan tool.
4. Check EVAP canister vent valve for operation when valve is switched ON by using SUZUKI scan tool.
  In this state, blow breath (3) from port (4). Breath should not come out of port (5).
  
  If check results are as described above, EVAP canister vent valve and its circuit are in good condition.
  
  If not, check EVAP canister vent valve, wire harness and connections.
Fig 2: Connecting Suzuki Scan Tool To DLC With Ignition Switch Off
Courtesy of SUZUKI OF AMERICA CORP.