Lumbar Support Curvature Adjustment Motors

Power Front Memory Seats, S6

Rest of world: vehicles from 06/06

Versions for specific countries: vehicles from 08/06

• Modular wiring routing came into effect with series production of seats.

• Check version of front seat and of vehicle and perform repairs accordingly.

• Note the two possible versions of the modular wiring routing, Modular Light or Modular => [ Modular Wiring Routing Versions ] Standard Front Seats Overview.



Lumbar Support Curvature Adjustment Motors

Special tools, testers and auxiliary items required

• Special pop rivet pliers (V.A.G 1753A)

Removing

CAUTION!
• Observe safety precautions for work on airbags => [ Airbag Inspection ] .

• Before handling airbag units (e.g. disconnecting electrical connector), the person handling it must "discharge static electricity". This can be done by touching door striker, for example.

- Remove backrest cover panel => [ Backrest Cover ].

- Remove cover with upholstery => [ Backrest Cover and Upholstery ] Front Seat Covers and Upholstery, Power Memory Seats, S6.

- Remove side airbag => [ Side Airbags, Servicing ] .

- Disconnect the connector - 3 -.





- Disengage release - 3 - on retaining plate - 2 -.





- Open cable tie - 1 -.

- Disengage the release cable - 3 - from the bracket - 4 -.

- Drill out rivets - 4 - (Qty. 2).





1 Backrest frame

- Remove Driver Seat Lumbar Support Curvature Adjustment Motor (V125) - 2 - or Front Passenger's Seat Lumbar Support Curvature Adjustment Motor (V126).

Installing

To install, perform the steps used in removal in reverse order. Observe the following when doing so:

CAUTION!
• Observe safety precautions for work on airbags => [ Airbag Inspection ] .

• Before handling airbag units (e.g. disconnecting electrical connector), the person handling it must "discharge static electricity". This can be done by touching door striker, for example.

- Rivet the driver seat lumbar support curvature adjustment motor (V125) or front passenger seat lumbar support curvature adjustment motor (V126) with the backrest frame - 1 - using special pop rivet pliers (V.A.G 1753A).





• Ensure that electrical connections are pushed in as far as stop and engage with a click.

- Switch on ignition.

CAUTION!
Ignition must be on when connecting battery. If pyrotechnic components (e.g. airbag, belt tensioner) are not repaired correctly, they may deploy unintentionally after connecting battery. There must not be anyone inside the vehicle when connecting the battery.

- Connect battery ground cable with ignition switched on.

- If Airbag Malfunction Indicator Lamp (MIL) (K75) indicates a fault after installation, DTC memory must be checked, deleted and checked again => Vehicle Diagnosis, Testing and Information System (VAS 5051B).