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