Coding Control Unit - Audi A8 1994 Service Manual

Motronic injection and ignition system (6-cylinder) - Edition 02.1999
Display Group 000 (decimal readouts)
Learned value for torque loss at idling speed
Torque at idling speed
Throttle valve angle
Engine speed (idling speed) 1)
(front-wheel drive and four-wheel drive)
Engine load (without electrical consumers)
Coolant temperature (requirement for basic setting)
1) Up-to-date specifications:
=> Exhaust emissions test binder
- Allow engine to idle for a few minutes; coolant temperature at least 80°C (display zone 1).
Notes:
◆ When the PRINT key is pressed the current display will be printed out.
◆ Press C before selecting further display groups.
- If the readouts in all the display zones match the specifications, press the ⇒ key.
-> Indicated on display:
Rapid data transfer
Select function XX
- Press keys 0 and 6 for the function "End output" and confirm entry with the Q key.
-> Indicated on display:
Rapid data transfer
06 - End output
- Confirm entry by pressing Q.
-> Indicated on display:
Rapid data transfer
Select function XX

5 - Coding control unit

5.1 - Coding control unit
Notes:
◆ If the correct coding for the vehicle is not displayed, or if the control unit has been replaced, the control unit
must be coded.
◆ Coding is checked via fault reader V.A.G 1551.
◆ During control unit identification a 5-digit code must always be displayed.
◆ Incorrect coding may lead to higher emissions and increased strain on the automatic transmission resulting
from harsh gearshift jolts.
- Connect vehicle diagnostic, testing and information system VAS 5051 (or fault reader V.A.G 1551) and
select engine electronics control unit by entering address word "01" ( => Page
When doing this the ignition must be switched on.
-> Indicated on display:
HELP
Q
HELP
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with respect to the correctness of information in this document. Copyright by AUDI AG.
Audi A8 1994 ➤
102...169 -5...8 %
102...154 -5.0...5.0 %
1...8 0.5...3.0 %
65...75 650...750 rpm
16...34 12...26 %
180...205 80...105 °C
2 .)
4.1 - Basic setting
19