Overview - Control Module, Module Carrier And Backrest Fan

Fig 1: Sealing Ring -1-, Module Carrier 2-, Rubber Bushing -3-, Driver Multicontour Seat Control Module -J873- 4-, Check Valve -5-, Bolt -6-, Backrest Frame -7-, Plastic Washer -8-, Driver Seat Backrest Blower Fan -V388- 9-, and Rubber Mount -10-

Courtesy of AUDI OF AMERICA, LLC

1. Sealing Ring
   • For blower fan
   • Vehicle versions
2. Module Carrier
   • Module carrier with air cushions for lumbar support
   • Cannot be disassembled
   • Removing and installing, refer to MODULE CARRIER WITH AIR CUSHIONS, REMOVING AND INSTALLING .
   • Connect the pneumatic lines, refer to PNEUMATIC LINES, DISCONNECTING AND CONNECTING 
3. Rubber Bushing
   • Quantity: 3
   • For multicontour seat control module
4. Driver Multicontour Seat Control Module -J873-
   • Front passenger side: Front Passenger Multicontour Seat Control Module -J872-
   • The connection for the restrictor is deleted on the Original Replacement Part with an integrated check valve and the separate check value must be removed,
   • Removing and installing, refer to DRIVER AND FRONT PASSENGER MULTICONTOUR SEAT CONTROL MODULE -J873- / -J872-, REMOVING AND INSTALLING .
   • Connect the pneumatic lines, refer to PNEUMATIC LINES, DISCONNECTING AND CONNECTING 
5. Check Valve
   • Depending on the version, separate component or integrated in the multicontour seat control module
   • Remove the external check valve if installing a multicontour seat control module that contains a check valve,
   • Installed position: the arrow on the check valve must point toward the control module.
   • Removing and installing, refer to CHECK VALVE, REMOVING AND INSTALLING .
   • Connect pneumatic lines and check for secure locking
6. Bolt
   • 6.5 Nm
7. Backrest Frame
8. Plastic Washer
   • Insert in front of the lumbar support bolting between lumbar support bracket and backrest frame
9. Driver Seat Backrest Blower Fan -V388-
   • Front passenger side Front Passenger Seat Backrest Blower Fan -V389-
   • Vehicle versions
   • Removing and installing, refer to DRIVER AND FRONT PASSENGER SEAT BACKREST BLOWER FAN -V388- / -V389-, REMOVING AND INSTALLING .
10. Rubber Mount
    • Quantity: 4
    • For blower fan