Potentiometer Replacement

HHE. Potentiometer Replacement

Special tools: 951 2631

Removing

WARNING: Seats with SIPS bag must always have the transport safety device installed in order to avoid accidentally activating the system when working on the seat.

HHE1 Preparations
- Make a note of radio code if anti-theft coded radio is installed.
- Remove battery negative lead.
- Cars with SIPS airbag: install the safety device for the SIPS bag in accordance with HHB1.
- Remove seat from car according to HHB1 - HHB4.
- Turn seat upside down and place on a clean surface.


HHE2 Removing the bracket




- Remove the four screws which hold the bracket for motors 1, 3 and 4.

HHE3 Disconnecting connectors

Seat with memory function




- Disconnect black 14-pin connector C from the control module.

Seat without memory function




- Disconnect 6-pin connector.

HHE4 Separating the connectors
- Mark up the pin positions in the black 14-pin connector C.




- Press out the pin for the motor in question from the connector. Use terminal removal tool 951 2631.
- Pull the wire backward through the cable harness.

HHE5 Removal of motor
- Remove motors and drive cables.

HHE6 Removing potentiometer (only seats with memory)




- Remove the two screws mounting screws for the potentiometer.
- Pull out drive cables to motor.
- Remove potentiometer.
- Disconnect 3-pin connector from potentiometer.

HHE7 Reinstalling
Install in reverse order.

- Reinstall the seat in accordance with HHB5.
- Cars with SIPS airbag: remove the safety device in accordance with HHB6.
- Replace battery negative lead.