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Power Mirrors Inoperative (Rendezvous w/o A43)



Power Mirrors Inoperative (Rendezvous w/o A43)

Diagnostic Aids

* If the power mirror system fuse is open and a short to ground in the battery positive voltage circuit is not detected, the fault could be a short to ground in one of the power mirror control circuits. This would open the power mirror system fuse when the mirror switch is pressed.
* If both power mirrors are inoperative on one or more axis, the most probable cause is a power mirror switch failure. However the fault could be an open circuit on two or more of the power mirror control circuits.
* The power mirror assembly is equipped with a pigtail harness that is not serviceable. If an open or short circuit is detected in the power mirror assembly pigtail harness, replace the power mirror assembly.

Test Description

Step 1 - Step 10:





Step 11 - Step 21:





The numbers below refer to the step numbers on the diagnostic table.
5. This step tests the integrity of both the mirror control circuits to the power mirror motor and the power mirror switch. If both power mirror motors are inoperative on one or more axis, begin testing by disconnecting one of the power mirror motors, if an open circuit is detected and repaired for that power mirror motor, repeat step 5 for the other power mirror motor.
7. This step tests the integrity of both the mirror control circuits to the power mirror assembly and the power mirror switch. If both power mirror assemblies are inoperative on one or more axis, begin testing by disconnecting one of the power mirror assemblies, if an open circuit is detected and repaired for that power mirror assembly, repeat step 7 for the other power mirror assembly.
8. This step tests the integrity of the battery positive voltage circuit not the fuse.