Yanmar 3TNV82A Troubleshooting Manual page 29

DTCs (Diagnostic Trouble Codes) General Description
Diagnosis Description
1) Initial diagnosis
with the diagnosis
tool
2) Check of
connectors/wiring
3) Failure Diagnostic
Work
TNV DI Service Manual
• Check the fault indication.
• Check the sensor voltage.
*For details of the method and the procedure of diagnosis, see P.1-148
• Before beginning your work, be sure to turn off the key switch.
• Check that the connector of the spare accelerator sensor is correctly inserted.
• Check that the wiring of the spare accelerator sensor is not disconnected or the
insulation of the wiring is not peeled.
• Check the resistance value of the spare accelerator sensor.
• Check the harness for correct continuity.
• Check the output voltage of the spare accelerator sensor.
*For details of the method and the procedure of diagnosis, see P.1-148
FAILURE DIAGNOSIS
1-27