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DTC P1623 INJECTOR ADJUSTMENT VALUE
EC-1737
[YD (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
M
A
EC
DTC P1623 INJECTOR ADJUSTMENT VALUE PFP:23710
Description BBS002IL
Injector adjustment value indicates manufacturing tolerance and the value is printed on the top of fuel injec-
tor.The injector adjustment value which is correctly stored in ECM is needed for precise fuel injection control.
A performance of emission control and a drivability may effect when there is a mismatch between the following
two values.
● The injector adjustment value stored in ECM
● The injector adjustment value of the fuel injector which is installed on the vehicle
On Board Diagnosis Logic BBS002IM
The MI will not light up for this self-diagnosis.
NOTE:
This DTC is not detected when injector adjustment value (not correct but existent) is stored in ECM.
DTC Confirmation Procedure BBS002IN
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-II
1. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Wait at least 5 seconds.
4. If DTC is detected, go to EC-1738, "
Diagnostic Procedure" .
WITHOUT CONSULT-II
1. Turn ignition switch ON and wait at least 5 seconds.
2. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
3. Perform Diagnostic Test Mode II (Self-diagnostic results) with ECM.
Example: Injector adjustment value = D121ABCD1A061234000000000000E6
PBIB3150E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1623
1623
Injector adjustment value
data error
ECM detects the abnormal value of injector
adjustment value.
● CONSULT-II communication status
(The status of CONSULT-II communica-
tion becomes improper during Injector
Adjustment Value Registration.)
● ECM
SEF817Y
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