GS 430 V8-4.3L (3UZ-FE) (2004)
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.
INSPECT LUMBAR SUPPORT MOTOR OPERATION
a. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, check that the lumbar support moves to release
side.
b. Reverse the polarity, check that the lumbar support moves forward.
If operation is not as specified, replace the seat adjuster.