Diesel Data: Automotive Repair

Power Mirror Motor: Testing and Inspection

INSPECT MIRROR MOTOR OPERATION




a. Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 1, and check that the mirror turns right side.




b. Reverse the polarity, and check that the mirror turns left side.




c. Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 5, and check that the mirror turns to the downward.




d. Reverse the polarity, and check that the mirror turns to the upward.

If operation is not as specified, replace the mirror assembly.