Immobilizer - Yanmar 3TNV82A Troubleshooting Manual

Method and Procedure of Failure Diagnosis

Immobilizer

Related DTC
DTC U1167/8
Work flow
*For details of the work, see after-mentioned "<Work Description>."For the operation of the
diagnosis tool, see "Diagnosis tool Operation Manual" separately.
Initial diagnosis with the diagnosis tool
A. Check the current
failure display
Current failure
exists.
[Check items] : Fault Code
Failure diagnosis flow
1. Check the harness
continuity.
OK
TNV DI Service Manual
Immobilizer Error (pulse communication)
DTC in the failure history indication
NG
FAILURE DIAGNOSIS
Check the failure
conditions.
Replace the harness.
Check of immobilizer
or
replacement of E-ECU
019614-00E
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