System Test; Servicing Interior Lights - Audi A3 1997 Service

Audi A3 1997 ➤
Electrical system - Edition 10.2003
The PIN is of no use to the customer or other dealerships.
- Establish PIN.
=> Electrical System, Self-diagnosis; Repair Group 01

2.5 - System test

Note:
Following successful login, immobilizer is always released for 10 minutes, i.e. it is not appropriate to test system
or check operation during this period.
- Switch off ignition for at least 5 minutes.
- Cover reader coil with a slotted metal plate, for example by positioning appropriate shim on ignition lock and
inserting ignition key through hole into ignition lock.
Or
- Disconnect reader coil wire at connector between ignition/starter switch and dash panel insert.
- Start engine.
Engine must not run and warning lamp must flash.
- Start immobilizer self-diagnosis and interrogate fault memory.
=> Electrical System, Self-diagnosis; Repair Group 01
One of the two following fault messages appears on the display.
◆ Key signal too low
Or
◆ Immobilizer reading coil -D2
- Erase fault memory and end output.

3 - Servicing interior lights

3.1 - Servicing interior lights
Attention:
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
◆ Disconnect battery earth strap before working on electrical system.
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
◆ On vehicles fitted with telematics system, activate telematics control-unit service mode before disconnecting
battery.=>Radio, Telephone, Navigation; Repair Group 91
- Heed (if necessary obtain) code for vehicles with encoded radio/radio navigation system (RNS).
- Disconnect battery earth strap with ignition switched off.
Note:
Action to be taken after re-connecting power supply => Page
174
96 - Lights, Lamps, Switches - interior
7 .