SEN04119-01 40 Troubleshooting
8 PC130-8
Failure code [B@BAZG] Eng oil press. low 1
User code Failure code
Trouble
Engine oil pressure low
(Engine controller system)
— B@BAZG
Contents of
trouble
• While engine was running, signal circuit of engine oil pressure switch detected low engine oil pres-
sure (sensor contact opened).
Action of
controller
• Displays engine oil pressure monitor on machine monitor.
• If cause of failure disappears, system resets itself.
Problem that
appears on
machine
• If machine is operated as it is, engine may be damaged.
Related
information
• Engine oil pressure switch signal is input to engine controller and then transmitted to machine mon-
itor.
• 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
Lowering of engine oil pres-
sure (when system is nor-
mal)
Engine oil pressure may be low. Check it and remove cause if it is
low.
2
Defective engine oil pressure
switch system
If cause 1 is not detected, engine oil pressure switch system may
be defective. Carry out troubleshooting for failure code [CA435].
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