Yanmar 3TNV82A Troubleshooting Manual page 133

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.
*For details of the method and the procedure of diagnosis, see P.1-205
• Before beginning your work, be sure to turn off the key switch.
• Check that the wiring for the immobilizer pulse communication and E-ECU are
correctly connected.
• Check that the wiring for the immobilizer pulse communication is not
disconnected or the insulation of the wiring is not peeled.
• Check the harness for correct continuity.
*For details of the method and the procedure of diagnosis, see P.1-205
FAILURE DIAGNOSIS
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