Yanmar 3TNV82A Troubleshooting Manual page 105

DTCs (Diagnostic Trouble Codes) General Description
Diagnosis Description
1) Initial diagnosis
with the diagnosis
tool
2) Engine Inspection • Turn the key switch off to stop the engine.
3) Failure Diagnostic
Work
TNV DI Service Manual
• Check the fault indication.
• Check that the input signal of the oil pressure switch is correctly recognized.
*For details of the method and the procedure of diagnosis, see P.1-187
• Inspect the oil pressure system.
• After the inspection, turn the key switch on to check if the DTC is detected.
*For description and procedure of engine inspection, see the Service manual
("Engine").
• Check the oil pressure switch system.
*For details of the method and the procedure of diagnosis, see P.1-187
FAILURE DIAGNOSIS
1-103