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Initiating basic setting > < Testing a "two-wire bus system"

A3 Mk1

Automatic gearbox 01M Self-diagnosis
Erasing fault memory
Erasing fault memory

Requirement:

  • ● Fault memory has been interrogated=>Page 01-32.

After fault memory has been interrogated:
 
→ Indicated on display:
Rapid data transfer     HELP
Select function XX
  • ‒ Press keys 0 and 5. (The function "Erase fault memory" is entered with 05.)
 
→ Indicated on display:
Rapid data transfer     Q
05 Erase fault memory
  • ‒ Confirm entry with key Q.
 
→ Readout in display:
Attention!
Fault memory was not interrogated.

Note:

If the ignition was switched off e.g. between interrogating the fault memory and erasing fault memory, the fault memory is then not erased.

  • ‒ Adhere strictly to the sequence of operations, i.e. first of all interrogate fault memory.
 
→ Indicated on display:
Rapid data transfer    ⇒
Fault memory is erased!

(The fault memory will be erased approx. 5 secs. after the display appears.)

The fault memory is now erased.

Note:

Wait about 1 minute before again interrogating the fault memory.
 
→ Indicated on display:
System cannot be interrogated!

 
→ Printout if printer switched on:
1 Fault recognized !
00811    3333
System not ready for interrogation

Control unit -J217 has not been given enough time to detect faults.

  • ‒ Wait about 1 minute before again interrogating the fault memory.
  • ‒ After interrogating and erasing the fault memory, carry out a test drive and again interrogate the fault memory.

When the fault memory is interrogated, the following display should appear:
 
→ Indicated on display:
No fault recognised!

Initiating basic setting > < Testing a "two-wire bus system"