Audi A6 Typ 4G: Connection Diagram - Front Seat Pneumatic System
Connection Diagram - Pneumatic System, Multi-contour Seat through 08/2012

1 - Driver Multi-contour Seat Compressor -V439-
- Front passenger side: Front Passenger Multi-contour Seat Compressor
-V440-
2 - Module Carrier with Air Cushions for Lumbar Support
3 - Left Seat Bolster Inflation Adjuster
4 - Left Backrest Bolster Inflation Adjuster
5 - Restrictor
- For exhaust air
- Depending on the version, separate component or integrated in the
multi-contour seat control module
- The connection for the restrictor has been removed from the
Multi-contour seat control module with an integrated restrictor. Refer
to the Parts Catalog.
6 - Check Valve
- Depending on the version, separate component or integrated in the
multi-contour seat control module
- Remove the external check valve if installing a Multi-contour seat
control module that contains a check valve. Refer to the Parts Catalog.
7 - Valve Block 2 in Driver Seat -N476-
- For massage mat
- Front passenger side: Valve Block 2 in Front Passenger Seat -N478-
8 - Massage Mat
9 - Valve Block 1 in Driver Seat -N475-
- For massage mat
- Front passenger side: Valve Block 1 in Front Passenger Seat -N477-
10 - Driver Multi-contour Seat Control Module -J873-
- Front passenger side: Front Passenger Multi-contour 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. Refer to the Parts Catalog.
11 - Pulsation Damper
12 - Right Backrest Bolster Inflation Adjuster
13 - Right Seat Bolster Inflation Adjuster
Connection Diagram - Pneumatic System, Multi-contour Seat from 09/2012

1 - Left Seat Bolster Inflation Adjuster
2 - Left Backrest Bolster Inflation Adjuster
3 - Driver Multi-contour Seat Compressor -V439- with Integrated Driver
Multi-contour Seat Control Module -J873-
- Front passenger side: Front Passenger Multi-contour Seat Compressor
-V440- with integrated Front Passenger Multi-contour Seat Control Module
-J872-
4 - Valve Block 2 in Driver Seat -N476-
- Front passenger side: Valve Block 2 in Front Passenger Seat -N478-
- For massage mat
5 - Massage Mat
6 - Valve Block 3 in Driver Seat -N523-
- Front passenger side: Valve Block 3 in Front Passenger Seat -N524-
- For massage mat
7 - Valve Block 1 in Driver Seat -N475-
- Front passenger side: Valve Block 1 in Front Passenger Seat -N477-
- For lumbar support and side wall adjuster
8 - Right Backrest Bolster Inflation Adjuster
9 - Module Carrier with Air Cushions for Lumbar Support
10 - Right Seat Bolster Inflation Adjuster
READ NEXT:
Overview - Compressor, Multi-contour Seat through 08/2012
1 - Nut
3.5 Nm
Quantity: 3
Brace rubber-metal mount while tightening
2 - Spring Washer
Quantity: 3
3 -
Overview - Valve Block/Module Carrier/Lumbar Support/Fan, Multi-contour
Seat through 08/2012
1 - Driver Seat Backrest Blower Fan -V388-
Front passenger side: Front Passenger Seat Backre
Special tools and workshop equipment
required
Pneumatic Repair Set -VAS6618A-
Vehicle Diagnostic Tester
Note
When an appropriate entry is made in the event memory, you
are prompted in
SEE MORE:
Fig. 156 Section from the instrument panel: PASSENGER
AIR BAG OFF light
The PASSENGER AIR BAG OFF light is located in
the center of the instrument panel
fig. 156.
The PASSENGER AIR BAG OFF light will come on and stay on to tell you when the
front Advanced Airbag on the passenger side has been tur
Special tools and workshop equipment
required
Torque Wrench 1783 - 2-10Nm -VAG1783-
Vehicle Diagnostic Tester
WARNING
Note the following before working on the steering
column:
Components of the steering are safety related!
Only specially trained technician should work on the
steer