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10 CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR FUNCTION
Refer to “DTC Confirmation Procedure” for DTC P0450, EC-987.
OK or NG
OK 䊳 GO TO 11.
NG 䊳 Replace EVAP control system pressure sensor.
11 CHECK EVAP CANISTER VENT CONTROL VALVE
Check air passage continuity.
With CONSULT-II
Perform “VENT CONTROL/V” in “ACTIVE TEST” mode.
SEF991Y
Without CONSULT-II
MTBL0240
If NG or operation takes more than 1 second, clean valve using air blower or replace as necessary.
If portion B is rusted, replace control valve.
AEC783A
Make sure new O-ring is installed properly.
OK or NG
OK 䊳 GO TO 12.
NG 䊳 Replace EVAP canister vent control valve.
12 CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-732.
䊳 INSPECTION END
DTC P1491 VACUUM CUT VALVE BYPASS VALVE
VG33E
Diagnostic Procedure (Cont’d)
EC-1149
GI
MA
EM
LC
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
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