G643(E) Service Manual
231
Chapter 7. Basic Troubleshooting
Checking Point for Connector
1.
While the connector is connected:
Hold the connector, check connecting condition
and locking efficiency.
2.
When the connector is disconnected:
Check missed terminal, crimped terminal or
broken core wire by slightly pulling the wire
harness. Visually check for rust, contamination,
deformation and bend.
3.
Check terminal tightening condition:
Insert a spare male terminal into a female ter-
minal and then check terminal tightening
conditions.
4.
Pull lightly on individual wires to ensure that each
wire is secured in the terminal.
Repair Method of Connector Terminal
1.
Clean the contact points using air gun and/or
shop rag.
NOTE:
Never uses and paper when polishing the
contact points, otherwise the contact point may be
damaged.
2.
In case of abnormal contact pressure, replace the
female terminal.
Wire Harness Inspection Procedure
1.
Before removing the wire harness, check the wire
harness position and crimping in order to restore
it correctly.
2.
Check whether the wire harness is twisted, pulled
or loosened.
3.
Check whether the temperature of the wire
harness is abnormally high.
4.
Check whether the wire harness is rotating,
moving or vibrating against the sharp edge of a
part.
5.
Check the connection between the wire harness
and any installed part.
6.
If the covering of wire harness is damaged;
secure, repair or replace the harness.
