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AEC783A
Overall Function Check
NHEC0343
Use this procedure to check the overall function of the EVAP can-
ister vent control valve circuit. During this check, a DTC might not
be confirmed.
WITH GST
NHEC0343S01
1) Disconnect hose from water separator.
2) Disconnect EVAP canister vent control valve harness connec-
tor.
3) Verify the following.
Condition Air passage continuity
12V direct current supply between ter-
minals 1 and 2
No
No supply Yes
If the result is NG, go to “Diagnostic Procedure”, EC-568.
If the result is OK, go to “Diagnostic Procedure” for DTC
P0440, EC-364.
DTC P1448 EVAPORATIVE EMISSION (EVAP) CANISTER VENT CONTROL
VALVE (OPEN)
Overall Function Check
EC-566
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