Preparations For Checking The Massage Mat Air Cushion For Leaks, KONGSBERG MULITCONTOUR Seat

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Special tools and workshop equipment required

Pneumatic Repair Set VAS 6618 A
Vehicle Diagnostic Tester

NOTE:

When an appropriate entry is made in the event memory, you are prompted in "Guided Fault Finding" to perform a leak check using the Vehicle Diagnostic Tester.

Then the preparations for this leak test are described that must be carried out directly in the front seat.

For the connection diagram with assignment of the pneumatic lines to the air cushions, refer to CONNECTION DIAGRAM - PNEUMATIC SYSTEM .

Procedure

The backrest cover is removed. Refer to Removing and Removing .

NOTE:

To check, the pneumatic line from the compressor is not disconnected at the connection, but is disconnected by the described procedure. Refer to PNEUMATIC LINES, DISCONNECTING AND CONNECTING .

To connect during the leak test, insert the pneumatic lines into the Connecting Sleeves VAS 6618/2 from both sides -A arrows-.

Fig 1: Attach The Connecting Sleeves

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To release, push release rings -B arrows- and simultaneously remove pneumatic lines -C arrows-.

Driver Side:

Fig 2: Disconnect The Pneumatic Line

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-- Disconnect the pneumatic line -1- from the compressor at the following locations:

a - 30 mm

Front Passenger Side:

Fig 3: Disconnect The Pneumatic Line

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-- Disconnect the pneumatic line -1- from the compressor at the following locations:

a - 315 mm

Continuation:

Fig 4: Connector, Pneumatic Lines, Release Ring & Valve Block

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-- Disconnect the connector -6-.

-- Before disconnecting, mark the pneumatic line assignments to the connections at the valve block using a waterproof permanent marker.

-- Disconnect the pneumatic lines -1 through 5- from all of the massage mat air cushions.

-- To do this, press the release ring -2- in the direction of the valve block -1- -arrow A- and at the same time pull out the pneumatic line -3- -arrow B-.

Fig 5: Release Ring, Valve Block & Pneumatic Line

Courtesy of AUDI OF AMERICA, LLC

-- Repeat the procedure on the opposite valve block.

-- To check in the "Guided Fault Finding", detach both valve blocks at the module carrier (refer to MULTICONTOUR SEAT VALVE BLOCK, REMOVING AND INSTALLING ) and connect them to the pneumatic lines on the respective opposite side.

-- Connect the connectors.

-- In one of the test steps in the "Guided Fault Finding", you are prompted to disconnect the connectors at the solenoid valve blocks and connect them in diagonal sequence by releasing the solenoid valve blocks from the module carrier where required.

-- Connect the pneumatic lines and check them with a final tug, whether the coupling is locked in correctly.