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SEF968Y
DTC Confirmation Procedure
=NGEC0691
NOTE:
If “DTC Confirmation Procedure” has been previously conducted,
always turn ignition switch OFF and wait at least 5 seconds before
conducting the next test.
With CONSULT-II
1) Start engine and warm it up to normal operating temperature.
2) Turn ignition switch OFF and wait at least 5 seconds.
3) Turn ignition switch ON and select “SELF-LEARN CONTROL”
in “WORK SUPPORT” mode with CONSULT-II.
4) Clear the self-learning control coefficient by touching “CLEAR”.
5) Select “DATA MONITOR” mode with CONSULT-II.
6) Start engine again and let it idle for at least 10 minutes.
The 1st trip DTC P0171 or P0174 should be detected at this
stage, if a malfunction exists. If so, go to “Diagnostic
Procedure”, EC-888.
7) If it is difficult to start engine at step 6, the fuel injection sys-
tem has a malfunction, too.
8) Crank engine while depressing accelerator pedal. If engine
starts, go to “Diagnostic Procedure”, EC-888. If engine does
not start, check exhaust and intake air leak visually.
With GST
Follow the procedure “With CONSULT-II”.
DTC P0171 (RIGHT, -B1), P0174 (LEFT, -B2) FUEL INJECTION
SYSTEM FUNCTION (LEAN)
VG33E
DTC Confirmation Procedure
EC-885
GI
MA
EM
LC
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
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