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Diagnostic Procedure
NHEC0241
1 CHECK RUBBER TUBE
1. Turn ignition switch “OFF”.
2. Check rubber tube connected to the EVAP control system pressure sensor for clogging, vent, kink, disconnection or
improper connection.
SEF268X
OK or NG
OK © GO TO 2.
NG © Reconnect, repair or replace.
2 RETIGHTEN GROUND SCREWS
Loosen and retighten engine ground screws.
SEF255X
© GO TO 3.
3 CHECK CONNECTOR
1. Disconnect EVAP control system pressure sensor harness connector.
2. Check sensor harness connector for water.
Water should not exist.
OK or NG
OK © GO TO 4.
NG © Repair or replace harness connector.
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0450 EVAPORATIVE EMISSION (EVAP) CONTROL SYSTEM PRESSURE
SENSOR
Diagnostic Procedure
EC-393
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