audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Encoding table up to Model Year 1996 > < Erasing fault memory, ending output
Heating, Air Conditioner
Encoding operating and display unit -E87
Encoding operating and display unit -E87

Note:

After each coding, basic setting must be performed .

  • ‒ Connect the fault reader V.A.G 1551 (V.A.G 1552) and use "Address word" 08 to select the air conditioner/heating electronics.
    (Connecting fault reader => Page 01-9.)
 
→ Indicated on display
Rapid data transfer    HELP
Select function XX
  • ‒ Enter "07" for the function "Coding control unit"
 
→ Indicated on display
Rapid data transfer    Q
07 - Coding control unit
  • ‒ Confirm entry with Q key.
 
→ Indicated on display:
Code control unit    Q
Enter code number XXXXX    0-32000
  • ‒ Enter the control unit code according to the Model Year and the Part No. of the operating and display unit -E87 as shown in the encoding table => from Page 01-73.

Assignment of the operating and display unit -E87

Part number

Special features

8D0 820 043 C

Static self-diagnosis, control is deactivated during self-diagnosis

8D0 820 043 D...G

- During the self-diagnosis, control is only switched off for final control diagnosis and basic setting
- In vehicles with 6-cylinder engines, may only be combined with Zexel compressors

8D0 820 043 from H

For all vehicles up to Model Year 96

8L0 820 043 A...C

For all vehicles of Model Year 97 (lighting via terminals 58 and 58d)

8L0 820 043 from D

For all vehicles from Model Year 98 without radio navigation system up to chassis number 199999 of Model Year 1999 (lighting also controlled by terminal 58s)

Part number

Special features

8D0 820 043 K or L

Design with only one display (in vehicles with radio navigation system up to chassis number 199999 of Model Year 1999)

8D0 820 043 from M

Design with only one display (for vehicles from chassis number 200000 of Model Year 1999)

Notes:

  • ◆ Precise assignment of the operating and display unit -E87

=> Parts List

  • ◆ If a new -E87 operating and display unit is installed and not encoded, the -E87's display flashes for approximately 2 minutes (after the ignition is switched on).
  • ◆ Vehicles up to Model Year 1996: If an invalid code is entered in the operating and display unit -E87, it is suppressed and the code "00042" (4-cyl. petrol engine / USA) is stored.
  • ◆ Vehicles up to Model Year 1996: With a Nippondenso-/Denso compressor, only one operating and display unit -E87 with Part No. as of index "H" can be installed (it is only from this index on that the -E87 can be coded for example on a 6-cylinder engine for a compressor without air conditioner compressor speed sender -G111).
  • ◆ Vehicles from Model Year 1997: If an invalid code is entered in the operating and display unit -E87, it is suppressed and the code "04142" (Audi A4 - 4-cyl. petrol engine / USA) is stored.

Encoding table up to Model Year 1996 > < Erasing fault memory, ending output