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WIRE HARNESS AND CONNECTOR INSPECTION PROCEDURE
When any trouble occurs, first inspect the connectors and wire harness of the related circuit according to
the following procedure:
Continuity check
1. Disconnect the connectors at both ends of the
corresponding harnesses
2. Measure the resistance between corresponding
terminals of the connectors at both ends.
Standard: 10 Ω or less
Remarks:
Measure while lightly shaking the wire harness up and
down and sideways.
Reference:
Open circuit at the wire harness occurs rarely partway
through a vehicle wiring but mostly at connectors.
Inspect especially the sensor connectors with sufficient care
Short circuit check
1. Disconnect the connectors at both ends of the
corresponding harness
2. Measure the resistance between the corresponding
connector terminal and negative. Always inspect the
connectors at both ends
Standard: 10 MΩ or more
Remarks:
Measure while lightly shaking the wire harness up and
down and sideways.
3. Measure the resistance between a terminal
corresponding to the connector terminal and N1. Always
inspect the connectors at both ends.
Standard: 10 MΩ or more
Remarks:
The wiring may short-circuit due to pinching by the body
or defective clamping.
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