Failure Code [B@Bazg] Eng Oil Press Low - Komatsu PC88MR-10 Shop Manual

40 Troubleshooting
Troubleshooting by failure code (Display of code)

Failure code [B@BAZG] Eng Oil Press Low

Action level Failure code
B@BAZG
L03
While engine is running, signal voltage from engine oil pressure sensor drops, so engine
Detail of
controller determines that engine oil pressure is low.
failure
Action of
Displays engine oil pressure monitor red on machine monitor.
controller
Problem on
If machine is operated as it is, engine may seize up.
machine
Engine oil pressure sensor signal is input to engine controller and then transmitted to
machine monitor through CAN communication system.
Related
Engine oil pressure can be checked by using monitoring function.
information
(Code: 37200)
Method of reproducing failure code: Start engine.
No. Cause
Low engine oil pressure
1 (when system works
properly)
Defective engine oil
2
pressure sensor circuit
40-126
Failure
Procedure, measuring location, criteria and remarks
Engine oil pressure may be low. Check it and remove cause if it is low.
If no failure is found by checks on cause 1, engine oil pressure sensor circuit
may be defective. Perform troubleshooting for failure codes [CA135] and
[CA141].
(PC400-BaBAZG-400-A-Z0-A)
Engine Oil Pressure Low
(Engine controller system)
PC88MR-10