Yanmar 3TNV82A Troubleshooting Manual page 185
Electronic control
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Also See for 3TNV82A:
- Service manual (370 pages) ,
- Operation manual (142 pages) ,
- Service manual (394 pages)
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Method and Procedure of Failure Diagnosis
Failure diagnosis flow
1. Resistance check of
EGR step motor coil
(EGR Valve only)
OK
2. Resistance check
of EGR step motor coil
(EGR + harness)
OK
4. Check of EGR movement
(use diagnosis tool)
TNV DI Service Manual
3. Check the harness
continuity.
FAILURE DIAGNOSIS
Replace the
sensor.
Replace the
harness.
Replace the
E-ECU.
Replace the ECU
or
harness.
Replace the
E-ECU.
017553-00E
1-183
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Troubleshooting
