W/Harness Inspection

4WD Control
P1756 EMC Internal Error - Inspection/Repair:_:W/Harness Inspection

Terminal and Connector Inspection

1. Many malfunctions in the electrical system are caused by poor harness and terminals. Faults can also be caused by interference from other electrical systems, and mechanical or chemical damage.
2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration,or damage.
3. Has a problem been found?






Control Circuit Inspection

Check short to battery in control circuit
1. IG KEY OFF.
2. Disconnect EMC and 4WD ECM connector.
3. IG KEY ON
4. Measure voltage between control terminal of EMC harness connector and chassis ground.

Specification :0V




5. Is the measured value within specification ?