Tundra Access Cab SR5 2WD V6-3.4L (5VZ-FE) (2000)
Power Seat Motor: Testing and Inspection
Reclining Motor
INSPECT RECLINING 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 RECLINING 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 recline the seat back to the most forward position.
b. Continue to apply voltage, check that the current changes to less than 1 ampere within 4 to 90 seconds.
c. Disconnect the leads from the 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 back begins to fall backward.
If operation is not as specified, replace the seat adjuster.