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9 CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR CONNECTOR
1. Disconnect EVAP control system pressure sensor harness connector.
SEF268X
2. Check connectors for water.
Water should not exist.
OK or NG
OK © GO TO 10.
NG © Replace EVAP control system pressure sensor.
10 CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR FUNCTION
Refer to “DTC Confirmation Procedure” for DTC P0450, EC-391.
OK or NG
OK © GO TO 11.
NG © Replace EVAP control system pressure sensor.
11 CHECK RUBBER TUBE FOR CLOGGING
1. Disconnect rubber tube connected to EVAP canister vent control valve.
2. Check the rubber tube for clogging.
OK or NG
OK © GO TO 12.
NG © Clean the rubber tube using an air blower.
12 CHECK EVAP CANISTER VENT CONTROL VALVE-I
1. Remove EVAP canister vent control valve from EVAP canister.
2. Check portion B of EVAP canister vent control valve for being rusted.
SEF337X
OK or NG
OK © GO TO 13.
NG © Replace EVAP canister vent control valve.
DTC P1447 EVAPORATIVE EMISSION (EVAP) CONTROL SYSTEM PURGE
FLOW MONITORING
Diagnostic Procedure (Cont’d)
EC-560
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