audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Servicing ultrasonic interior monitor > < Procedure for renewing lock set or instrument cluster
System test
System test
  Note
The immobiliser is deactivated for a period of 5 minutes after every successful log-in function: the operation of the system should not be tested during this period.
–  Switch off ignition for at least 5 minutes.
–  Cover reader coil with a slotted metal plate, for example by positioning a suitable washer on ignition lock and inserting ignition key through hole into ignition lock.
or
–  Disconnect reader coil wire at connector between ignition/starter switch and instrument cluster.
–  Start engine.
l  The engine should not run and the warning lamp should start flashing.
–  Initiate self-diagnosis of immobiliser and interrogate fault memory → Electrical system, self-diagnosis; Rep. Gr.01.
One of the following two fault messages should appear on the display:
t  Key signal too low
or
t  Immobiliser reader coil -D2-
–  Erase fault memory and end output.
   

Servicing ultrasonic interior monitor > < Procedure for renewing lock set or instrument cluster