Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
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.
5 - Final control diagnosis
5.1 - Final control diagnosis
Notes:
◆ Fitting locations of components actuated =>Page 165 .
◆ The final control diagnosis can be performed more than once if necessary.
◆ Faults in final controls identified with a * are stored in the fault memory.
◆ To check the "idling speed regulation" function
=> Page 23 .
◆ During the final control diagnosis, the vehicle must not be moved and the engine speed must be less than
3000 rpm.
◆ During the final control diagnosis, the control is deactivated and all segments in the two -E87 displays are
actuated.
Starting final control diagnosis
- Start engine.
- Switch on compressor (press "Auto" button).
- Open the dash panel vents.
- Set air distribution to dash panel vents.
- Connect fault reader V.A.G 1551,
Enter address word 08 "Electronic climate/heating control" and advance the program until "Select function
XX" appears on display => Page 4 .
- Switch on printer by pressing PRINT key (lamp in key lights up).
- Interrogate fault memory => Page 7 .
-> Indicated on display (function selection):
Rapid data transfer HELP
Select function XX
- Press keys -0- and -3- (03 selects the "Final control diagnosis" function).
-> Indicated on display:
Rapid data transfer Q
03 - Final control diagnosis
- Press Q to confirm entry.
-> Display:
Final control diagnosis
DANGER: Fan is switched on
- The ⇒key can be used to advance to the next component.
-> Indicated on display:
Final control diagnosis
Air conditioner magnetic clutch -N25
Notes:
◆ Final control diagnosis can be stopped by pressing key C.
◆ Interrogate fault memory on completion of final control diagnosis => Page 7 .
◆ If "Function unknown or cannot be implemented at present" is displayed at the start of the final control
diagnosis, e.g. with the engine stopped, press ⇒ key and re-select the "03 Final control diagnosis" function
(the "AC magnetic clutch -N25" control element is no longer actuated for this test).
◆ If the display "Function unknown or cannot be implemented at present" appears => Page 31 Reading
measured value block (display group "001").
Audi A3 1997 ➤
Heating, Air Conditioner - Edition 06.2000
18 01 - Self-diagnosis, Electrical check