Isuzu N-Series. Manual - part 422
6E-24 EMISSION AND ELECTRICAL DIAGNOSIS
How to read flashing of the indicator lamp:
The two-digit self-diagnosis code flashes starting from
ten’s figure to indicate the self-diagnosis code.
Please read the self-diagnosis code from the flashing.
If the plural self-diagnosis codes are indicated, the same
self-diagnosis code is flashed repeatedly in steps of
three times.
Please read it correctly.
• Diagnostic Trouble Code (DTC) outputting is done
in decreasingly order of DTC number.
• Indication is changed over on completion of output
DTC indication.
• DTC indicator is stopped with diagnostic switch be-
ing off.
• When there is no DTC output, “1” is outputted in
normal DTC code.
• After indicating 3 times pear 1 DTC, shift is con-
ducted to the next DTC. (After making a round, the
indications are repeated again.)
• In case of the same diagnostic code, it is used 1
DTC (3 times indication.)
Example Diagnosis Trouble Code Output
NO
TERMINAL NAME
6
DIAG CONTROL
7
CHECKER SIG
4, 5
CHECKER GND
N6A1666E
Legend
A. (For example) In case of indicate two digits figure
“DTC23”
B. Figure of ten
C. Figure of one
N6A1137E