Power Seat Motor Position Sensor: Service and Repair

Sit-N-Lift Upper Limit Switch Replacement

Removal Procedure

1. Remove the upper seat trim. Refer to Sit-N-Lift Upper Trim Replacement (Sit-N-Lift Upper Trim Replacement).
2. Remove the chain cover. Refer to Sit-N-Lift Chain Cover Replacement (Sit-N-Lift Chain Cover Replacement).




3. Remove the bolts from the limit switch bracket.
4. Disconnect the electrical connector.




5. Remove the switch.

Installation Procedure





Notice: Refer to Fastener Notice (Fastener Notice).

1. Install an upper and lower stay bracket to the seat base. Secure the bracket with a bracket bolt.

Tighten the bolts to 50 N.m (35 lb ft).




2. Install the limit switch and the bracket to the seat base.




3. Install the bolts to the limit switch bracket.

Tighten the bolts to 5.8 N.m (50 lb in).

4. Connect the electrical connector.

Important: The switch body is delicate. Adjust and tighten the switch carefully.


5. Set the limit switch to stop the lift in the proper location. Make the adjustment at the top hole on the slotted mounting bracket.




6. Tighten the mounting screws until the screws are snug, yet the switch can still be moved easily by hand.
7. Operate the lift to the proper location. Slide the switch forward until the switch makes contact and clicks into place.
8. Hand tighten the switch.




9. Adjust the lift stop position. The lift should stop when the left post makes contact with the rubber bushing, and the right post is 2-4 mm (0.04-0.08 in) from contacting the metal hook.
10. Inspect the seat for proper installation.
11. Install the chain cover. Refer to Sit-N-Lift Chain Cover Replacement (Sit-N-Lift Chain Cover Replacement).
12. Install the upper seat trim. Refer to Sit-N-Lift Upper Trim Replacement (Sit-N-Lift Upper Trim Replacement).