SEN04120-03 40 Troubleshooting
4 PC130-8
Failure code [CA351] Inj. drive circuit error 1
User code Failure code
Trouble
Inj. drive circuit error
(Engine controller system)
E10 CA351
Contents of
trouble
• Abnormality occurred in injector drive circuit.
Action of
controller
• Limits output and continues operation (Limits common rail pressure).
Problem that
appears on
machine
• Output drops.
Related
information
• Method of reproducing failure code: Start engine.
Possible causes
and standard
value in normal
state
Cause Standard value in normal state/Remarks on troubleshooting
1 Defective related system
If another failure code (code of abnormality in injector system) is
indicated, carry out troubleshooting for it.
2 Defective fuse
Check fuse or circuit breaker on machine side directly for defect.
(If fuse is broken or circuit breaker is turned OFF, circuit probably
has ground fault.)
3
Defective power supply cut-
out relay
a Prepare with starting switch OFF, then carry out troubleshoot-
ing without turning starting switch ON.
Wiring harness between CE02 (female) (55)
– (32)
Resis-
tance
185 –
265 z
4
Disconnection in wiring
harness
(Disconnection in wiring or
defective contact in connec-
tor)
a Prepare with starting switch OFF, then carry out troubleshoot-
ing without turning starting switch ON.
Wiring harness between CE02 (female) (55)
– R23 (1)
Resis-
tance
Max. 1 z
Wiring harness between CE02 (female) (55)
– R24 (1)
Resis-
tance
Max. 1 z
Wiring harness between CE02 (female) (32)
– R23 (2)
Resis-
tance
Max. 1 z
Wiring harness between CE02 (female) (32)
– R24 (2)
Resis-
tance
Max. 1 z
Wiring harness between CE03 (female) (1)
– T15
Resis-
tance
Max. 1 z
Wiring harness between CE03 (female) (3)
– R23 (5)
Resis-
tance
Max. 1 z
Wiring harness between CE03 (female) (3)
– R24 (5)
Resis-
tance
Max. 1 z
Wiring harness between R23 (female) (3) –
battery (+)
Resis-
tance
Max. 1 z
Wiring harness between R24 (female) (3) –
battery (+)
Resis-
t
ance
Max. 1 z
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