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2 CHECK VACUUM SOURCE TO EGR VALVE
With CONSULT-II
1. Warm engine up to normal operating temperature.
2. Disconnect vacuum hose to EGR valve.
3. Check for vacuum existence at idle.
SEF337V
Vacuum should not exist at idle.
4. Select “EGRC SOLENOID VALVE” in “ACTIVE TEST” mode with CONSULT-II and turn the solenoid valve ON.
5. Check for vacuum existence when revving engine from 2,000 rpm up to 4,000 rpm.
SEF716Z
Vacuum should exist when revving engine.
OK or NG
OK 䊳 GO TO 4.
NG 䊳 GO TO 5.
DTC P0400 EGR FUNCTION (CLOSE)
KA24DE
Diagnostic Procedure (Cont’d)
EC-333
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
GI
MA
EM
LC
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