Power Mirror Motor: Testing and Inspection
INSPECT MIRROR MOTOR OPERATIONa. Connect the positive (+) lead from the battery to terminal 3 and negative (-) lead to terminal 2, check that the mirror turns upward.
b. Reverse the polarity, and check that the mirror turn downward.
c. Connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2, check that the mirror turns left side.
d. Reverse the polarity, and check that the mirror turns right side.
If operation is not as specified, replace the mirror.