Toyota Celica 2005 Repair Manual page 729

DI−530
5 Check purge flow.
To Throttle Body
NG
6 Check vacuum hose between intake manifold and EVAP VSV, and EVAP VSV and
charcoal canister.
CHECK:
(a) Check that the vacuum hose is connected correctly.
(b) Check the vacuum hose for looseness and disconnection.
(c) Check the vacuum hose for cracks, holes, damages and blockage.
OK
2005 CELICA (RM1131U)
DIAGNOSTICS − ENGINE (2ZZ−GE)
PREPARATION:
(a) Connect the hand−held tester to the DLC3.
(b) Select the "ENHANCED OBD II / ACTIVE TEST" mode on
the hand−held tester.
(c) Disconnect the vacuum hose for the EVAP VSV from the
charcoal canister.
(d) Start the engine.
(e) Select the menu "EVAP VSV (ALON) / ALL" in the AC-
TIVE TEST and operate EVAP VSV (Press the right or left
A09087
button).
CHECK:
When the EVAP VSV is operated by the hand−held tester,
check whether the disconnected hose applies suction to your
finger.
OK:
VSV is ON:
Disconnected hose applies suction to your finger.
VSV is OFF:
Disconnected hose applies no suction to your finger.
OK Go to step 9.
NG Repair or replace vacuum hose.
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