Suzuki 2000 Grand Vitara SQ625 Service Manual page 586

ENGINE AND EMISSION CONTROL SYSTEM (G16 / J20 ENGINES) 6E1-49
3) Disconnect vacuum hoses from intake manifold and its EVAP
canister.
4) With coupler disconnected, blow into hose "A". Air should not
come out of hose "B".
1. Hose "A"
2. Hose "B"
3. EVAP canister
purge valve
5) Connect 12V-battery to EVAP canister purge valve terminals. In
1. Hose "A"
2. Hose "B" this state, blow hose "A".
3. EVAP canister
Air should come out of hose "B".
purge valve
WARNING:
Do not suck the air through valve. Fuel vapor inside valve
is harmful.
If check result is not as described, replace EVAP canister purge
valve.
6) Connect vacuum hoses.
7) Connect EVAP canister purge valve coupler securely.
EVAP Canister Inspection
WARNING:
DO NOT SUCK nozzles on EVAP canister. Fuel vapor inside
EVAP canister is harmful.
1) Disconnect vacuum hoses from EVAP canister and remove
EVAP canister.
2) When air is blown into tank pipe, there should be no restriction
of flow through purge pipe and air pipe.
If operation differs from above description, EVAP canister must
be replaced.
3) Install EVAP canister and connect hoses to canister.
1. Tank pipe
2. Purge pipe
3. Air pipe
4. Blow air