Yanmar 3TNV82A Troubleshooting Manual page 46

FAILURE DIAGNOSIS
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
1-44
DTCs (Diagnostic Trouble Codes) General Description
• Check the fault indication.
• Check the ECU temperature.
*For details of the method and the procedure of diagnosis, see P.1-154
• Inspect around the E-ECU.
• After a little, turn the key switch on to check if the DTC is detected.
*For description and procedure of engine inspection, see the Service manual
(section "Engine").
• Check the ECU temperature sensor.
*For details of the method and the procedure of diagnosis, see P.1-154
TNV DI Service Manual