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Removing and installing battery isolation igniterN253 (equipment version) > < Overview of fitting locations

A4 Mk2

Removing and installing airbag control unit -J 234-
Removing and installing airbag control unit -J 234-
Special tools and workshop equipment required
t  Vehicle diagnostic tester
   
t  Torque wrench -V.A.G 1410-
  WARNING
Observe safety regulations for pyrotechnic components → Chapter.
  W00-0554
1 - Airbag control unit
t  Removing:
–  Disconnect battery earth strap → Electrical system; Rep. gr.27.
–  Remove centre console → Chapter.
–  Release retaining clip -4- at connector -3-.
–  Unplug connector -3- from control unit -1-.
–  Remove bolts -2- (3x).
–  Detach control unit.
t  Installing:
Install in reverse order of removal.
  Note
t  Observe measures to be taken after connecting the battery → Electrical system; Rep. gr.27.
t  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.
t  After renewal, control unit must be encoded.
Refer to Guided Fault Finding, Body, General body repairs, 69 passenger protection, airbag 8.4E, electrical components, J234 airbag control unit, encoding J234 airbag control unit.
2 - Bolts (3x)
q   Tightening torque: 7 Nm
3 - Connector
4 - Retaining clip

   

Removing and installing battery isolation igniterN253 (equipment version) > < Overview of fitting locations