SC 400 V8-4.0L (1UZ-FE) (1997)
(e) Then, reverse the polarity, check that the motor turns the opposite way (moves downward).
NOTE: These tests must be performed quickly (within 4 - 5 seconds) to prevent the coil from burning out.
HINT: When the motor is normal, lower the antenna to the lower most position.
If operation is not as specified, replace the antenna motor assembly.