Isuzu N-Series. Manual — part 264
5A4-30 ABS/ASR
N5A2028E
ABS/ASR 5A4-31
List of Diagnostic Trouble Code
Diagnosis with Blinking Pattern
If the ABS/ASR warning lamp blinking pattern is found to
be faulty with the ignition switch ON, or when the warn-
ing lamp comes on during the test run, perform the diag-
nosis according to the chart shown below depending on
the blinking pattern.
DTC
Description
Check flow
Flash out code (warning
lamp blinking pattern)
Tech 2
code
12
C0212
Normal
—
13
C0213
Model type identification fault due to wrong assembly
of control unit
B-2
14
C0214
EHCU fault
B-3
15
C0215
ECU power supply fault
B-4
16
C0216
CAN Communication fault
B-5
26
C0226
ECM Communication fault
B-6
33
C0233
Motor drive circuit fault
B-7
34
C0234
Motor rotation fault
B-8
35
C0235
ASR communication fault (ASR only)
ASR continuous operation
B-9
41
C0241
Fail-safe relay fault
B-10
43
C0243
Solenoid drive circuit fault
B-11
45
C0245
Solenoid monitor circuit fault
B-12
51
C0251
Speed sensor open/short circuit; FL
B-13
52
C0252
Speed sensor open/short circuit; FR
B-14
53
C0253
Speed sensor open/short circuit; RL
B-15
54
C0254
Speed sensor open/short circuit; RR
B-16
61
C0261
Speed sensor signal fault/wrong tire size; FL
B-17
62
C0262
Speed sensor signal fault/wrong tire size; FR
B-18
63
C0263
Speed sensor signal fault/wrong tire size; RL
B-19
64
C0264
Speed sensor signal fault/wrong tire size; RR
B-20
5A4-32 ABS/ASR
No.
Lamp condition
Warning lamp illumination pattern
Diagnostic flow
1
Warning lamp shows
normal.
Normal
2
Warning lamp remains
off.
ABS
ABS warning lamp illumi-
nation circuit is faulty.
Go to check flow B-1-1.
ASR
ASR warning lamp illumi-
nation circuit is faulty.
N5A2029E
N5A2030E
ABS/ASR 5A4-33
3
Warning lamp remains
on.
DTC is stored. Display
the DTC and perform the
diagnosis for each code
according to the diagnos-
tic flow.
If DTC is not stored,
warning lamp illumination
circuit or meter may be
faulty.
Check the meter itself or
harness between the
meter and EHCU con-
nector terminal 6.
4
Warning lamp comes on
when driving.
DTC is stored. Display
the DTC and perform the
diagnosis for each code
according to the diagnos-
tic flow.
5
Warning lamp repeats
blinking after turning the
starter switch ON, and
then turns on when driv-
ing the vehicle.
Self-diagnosis circuit is
faulty.
Go to check flow B-1-2.
No.
Lamp condition
Warning lamp illumination pattern
Diagnostic flow
N5A2031E
N5A2032E
N5A2033E
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