Suzuki Engine 2002 GRAND VITARA SQ625, Service Manual

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ENGINE AND EMISSION CONTROL SYSTEM (G16/J20 ENGINES) 6E1-59
EVAP CANISTER INSPECTION
1) Disconnect vacuum hoses from EVAP canister and remove
EVAP canister.
2) When air is blown into tank pipe (1), there should be no
restriction of flow through purge pipe (2) and air pipe (3).
If operation differs from above description, EVAP canister
must be replaced.
3) Install EVAP canister and connect hoses to canister.
TANK PRESSURE CONTROL VALVE INSPECTION
1) Remove tank pressure control valve (1) installed around
EVAP canister.
2) Air should pass through valve smoothly from fuel tank side
(black side (3) of tank pressure control valve) to orange side
(2) when blown hard.
3) From orange side, even when blown softly, air should come
out of black side.
4) If air doesn’t pass through valve in Step 2) or hard blow is
required in Step 3), replace tank pressure control valve.
5) Install tank pressure control valve.
WARNING:
DO NOT SUCK nozzles on EVAP canister. Fuel vapor
inside EVAP canister is harmful.
4. Blow air
WARNING:
DO NOT SUCK air through tank pressure control valve.
Fuel vapor inside the valve is harmful.
NOTE:
When connecting tank pressure control valve between
hoses, refer to figure for installing direction.
4. To canister
5. From fuel tank