Supra Sport Roof L6-2997cc 3.0L DOHC MFI (1998)
Power Mirror Motor: Testing and Inspection
INSPECT MIRROR MOTOR OPERATION
a. Connect the positive (+) lead from the battery to terminal 3 and negative (-) lead to terminal 4, and check that the mirror turns upward.
b. Reverse the polarity, and check that the mirror turns to downward.
c. Connect the positive (+) lead from the battery to terminal 5 and negative (-) lead to terminal 4, and check that the mirror turns to left side.
d. Reverse the polarity, and check that the mirror turns to right side.
If operation is not as specified, replace the mirror.