Tundra Access Cab LTD 4WD V8-4.7L (2UZ-FE) (2001)
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Power Seat Motor: Testing and Inspection
INSPECT SLIDE MOTOR OPERATION
a. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, check that the motor turns clockwise.
b. Reverse the polarity, check that the motor turns counterclockwise.
If operation is not as specified, replace the seat adjuster.
INSPECT SLIDE MOTOR PTC THERMISTOR OPERATION
a. Connect the positive (+) lead from the battery to terminal 2, the positive (+) lead from the ammeter to terminal 1 and the negative (-) lead to the
battery negative (-) terminal, then move the seat cushion to the rear position.
b. Continue to apply voltage, check that current changes to less than 1 ampere within 4 to 90 seconds.
c. Disconnect the leads from terminals.
d. Approximately 60 seconds later, connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, check that the
seat cushion begins to move forward.
If operation is not as specified, replace the seat adjuster
