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Exploded view of seat position sensor > < Exploded view of lumbar support adjustment switch

A4 Mk3

Removing and installing lumbar support adjustment switch
Removing and installing lumbar support adjustment switch
Removing
  WARNING
t  Observe safety regulations for pyrotechnic components → Chapter.
t  Before handling pyrotechnic components (e.g. unplugging the electrical connector) the mechanic must discharge static electricity by briefly touching the door striker plate, or similar.
–  Remove trim (sill side):
t  Standard seat and sports seat (with manual adjustment) → Chapter „Removing and installing trim (sill side)“.
t  Standard seat and sports seat (with electric adjustment), and convenience seat → Chapter „Removing and installing trim (sill side)“.
   
–  Unplug electrical connector -4-.
–  Remove bolts -2-.
–  Detach lumbar support adjustment switch -E176- / -E177--item 1- from trim -3-.
Installing
  WARNING
t  Observe safety regulations for pyrotechnic components → Chapter.
t  Before handling pyrotechnic components (e.g. unplugging the electrical connector) the mechanic must discharge static electricity by briefly touching the door striker plate, or similar.
Installation is carried out in the reverse order; note the following:
  A72-10666
–  Route wiring as close as possible to connector -4-.
  Note
Make sure electrical connectors are fitted correctly (as far as stop) and engage audibly.
  WARNING
The battery must be connected with the ignition switched on. If pyrotechnic components (e.g. airbag or belt tensioner) are inexpertly repaired, this may result in unwanted triggering after connecting the battery. There must not be anyone in the vehicle while you are connecting the battery.
–  With ignition switched on, connect battery earth wire → Electrical system; Rep. gr.27.
  Note
If the airbag warning lamp -K75- indicates a fault following installation, you must interrogate, erase and then re-interrogate the event memory → Vehicle diagnostic tester.
Tightening torque → Chapter
  A72-10666

Exploded view of seat position sensor > < Exploded view of lumbar support adjustment switch