audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Coding control unit > < Final control diagnosis
Motronic Injection and Ignition System (4-cyl.) 08.97ä
Basic setting
Basic setting

With the engine not running, the following operation can be performed in the basic setting mode:

  • ◆ Adaption of throttle valve control part to engine control unit
    =>Display Group 098

With the engine running, the following operations can be performed in the basic setting mode:

  • ◆ Learning process for lambda control
    =>relevant Display Group
  • ◆ Fault-finding by switching lambda control on and off
    , Display Group 099

Test conditions for operations with engine running

  • ● Coolant temperature at least 80 °C
  • ● Electrical consumers switched off (radiator fan must not run during the check)
  • ● Air conditioner switched off
  • ● Gear selector lever in P or N position
  • ● No faults stored in fault memory
  • ‒ Connect fault reader V.A.G 1551 (V.A.G 1552) and select engine electronics control unit with the "Address word" 01. When doing this the engine must be running at idling speed.
    (Connecting fault reader and selecting engine electronics control unit .)
 
→ Indicated on display:
Rapid data transfer    HELP
Select function XX
  • ‒ Press keys 0 and 4 for function "Basic setting" and confirm entry by pressing Q.
 
→ Indicated on display:
Introduction of basic setting    HELP
Input display group number XXX
  • ‒ Select the required display group number from the Display Group Overview in the "Read measured value block" section.

Note:

Display Group 001 is used here as an example to illustrate the procedure.

  • ‒ Enter "001" for Display Group 001.
 
→ Indicated on display:
Basic setting    Q
Enter display group number    001
  • ‒ Press Q to confirm entry.
 
→ Indicated on display:
System in basic setting 1    ⇒
    1    2    3    4

Notes:

  • ◆ Press the PRINT key at any time to print out the message currently being displayed.
  • ◆ Before selecting more display groups, press C.
  • ‒ If all the display zones show the specified values, press the ⇒ key.
 
→ Indicated on display:
Rapid data transfer    HELP
Select function XX
  • ‒ Press keys 0 and 6 for the function "End output" and confirm entry with the Q key.

Coding control unit > < Final control diagnosis