Preparations For Compressor And Pressure Line Leak Check
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 rear seat.
For the connection diagram with assignment of the pneumatic lines to the air cushions. Refer to CONNECTION DIAGRAM - PNEUMATIC SYSTEM .
- Multi-contour seat released in the vehicle and folded forward with electrical harness connectors connected. Refer to REAR SEAT BACKREST, REMOVING AND INSTALLING, MULTI-CONTOUR SEAT .
In one of the test steps in the "Guided Fault Finding", you are prompted to connect the :VAG1397A at the pneumatic line to the Valve Block 2 in Driver Side Rear Seat -N480- /Valve Block 2 in Passenger Side Rear Seat -N482- and Valve Block 3 in Driver Side Rear Seat -N525- /Valve Block 3 in Passenger Side Rear Seat -N526-.
-- Disconnect the pneumatic line -1- to the Valve Block 1 in Driver Side Rear Seat -N479- /Valve Block 1 in Passenger Side Rear Seat -N481- at the following position. Refer to PNEUMATIC LINES, DISCONNECTING AND CONNECTING .
a - 30 mm
-- Using hose and adapter pieces, as well as the :VAS6618/10 , connect the Turbocharger Tester Kit :VAG1397A with the pneumatic line -1- coming from the compressor.
-- To connect, attach the :VAS6618/2 to the pneumatic line.
2 - Valve Block 1 in Driver Side Rear Seat -N479- /Valve Block 1 in Passenger Side Rear Seat -N481-
To connect, insert the pneumatic lines in the :VAS6618/2 from both sides -A arrows-.
To release, push release rings -B arrows- and simultaneously remove pneumatic lines -C arrows-.
In one of the test steps in the "Guided Fault Finding", you are prompted to connect the :VAG1397A at the pneumatic line to the Valve Block 1 in Driver Side Rear Seat -N479- /Valve Block 1 in Passenger Side Rear Seat -N481- and Valve Block 3 in Driver Side Rear Seat -N525- /Valve Block 3 in Passenger Side Rear Seat -N526- or Valve Block 2 in Driver Side Rear Seat -N480- /Valve Block 2 in Passenger Side Rear Seat -N482-.
-- Disconnect the pneumatic line -3- to the Valve Block 2 in Driver Side Rear Seat -N480- /Valve Block 2 in Passenger Side Rear Seat -N482- or Valve Block 3 in Driver Side Rear Seat -N525- /Valve Block 3 in Passenger Side Rear Seat -N526- -2- at the following position. Refer to PNEUMATIC LINES, DISCONNECTING AND CONNECTING .
a - 40 mm
Ignore item -1-.
-- Using hose and adapter pieces, as well as the Valve Block 1 in Passenger Side Rear Seat -N481-, connect the :VAG1397A with the pneumatic line -1- coming from the compressor.
-- Repeat the check on the pneumatic line coming from the compressor at the opposing valve block.
2 - Valve Block 2 in Driver Side Rear Seat -N480- /Valve Block 2 in Passenger Side Rear Seat -N482- or Valve Block 3 in Driver Side Rear Seat -N525- /Valve Block 3 in Passenger Side Rear Seat -N526-
In one of the test steps in the "Guided Fault Finding", you are prompted to connect the :VAG1397A directly to the compressor.
-- Disconnect the pneumatic line -1- to the compressor -2- at the following locations. Refer to PNEUMATIC LINES, DISCONNECTING AND CONNECTING .
a - 50 mm
Ignore item -3 and arrows-.
-- Using line and adapter pieces, as well as the Valve Block 1 in Passenger Side Rear Seat -N481-, connect the :VAG1397A with the pneumatic line -1- for the compressor -2-.
-- Connect pneumatic lines following the leak check. Refer to PNEUMATIC LINES, DISCONNECTING AND CONNECTING .