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:
Engine oil specifications
The engine oil used must conform to exact specifications.
The service interval display in the instrument
cluster of your vehicle will inform you when it is
time for an oil change. We recommend that you
have your oil changed by an authorized Audi Service
Advisor.
If you mus
Accessory weight
means the combined weight (in
excess of those standard items
which may be replaced) of automatic
transmission, power steering,
power brakes, power windows,
power seats, radio, and
heater, to the extent that these
items are available as factory-installed
equipment (whether installed