This instruction show you guide on how to repair JCB K0415 oil pressure low alarm trouble.More repair case for JCB,please refer to:JCB Trouble Repair
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The measured oil pressure is below the alarm limit. The low oil pressure signal may be caused by the following reasons:
The engine oil level is too low.
The oil quality is poor.
The oil filter is clogged.
The oil grade is not correct.
The oil is too hot.
The oil is diluted by fuel.
The oil pressure control valve is not operating correctly.
The oil pump has excessive wearing.
The oil pressure sensor wiring is defective.
The oil pressure sensor is defective.
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The FC is stored and the oil pressure the warning lamp is activated. The engine will stop after 30 seconds. The CAN message indicates that a shutdown is pending.
Find the cause for the low oil pressure indication. Check and repair the possible mechanical problems according to the service instructions:
Check the oil level and the condition of the oil.
Check the oil filter.
Check the mechanical condition of the engine.
To check the electrical defects, check the oil pressure sensor, the sensor wiring and the controller input: First save the error log and then erase it. Restart the ECU after erasing the error log. If the fault occurs again during the next driving cycle, check the following paths:
Check the oil pressure sensor wiring, the connectors and the contact surfaces of the connector pins (possible oxidation).
Check the operation with another oil pressure sensor to see if The oil pressure sensor is defective.