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Checking idling speed > < Wiring and component test with test box V.A.G 1598/22

A4 Mk1

Motronic Fuel Injection and ignition system (4-cyl.) 07.96ä
Servicing the Motronic injection system
Renewing engine control unit

Removal and installation

Fitting location => Fitting locations overview, Page 24-4

Switch off ignition before pulling off or attaching control unit connector.

  • ‒ Encode control unit .
  • ‒ Carry out adaptation of the throttle valve control unit => Page 24-59

Adapting engine electronics control unit to electronic immobilizer

Test conditions

  • ● Authorised vehicle key available
  • ‒ Connect fault reader V.A.G 1551 or vehicle system tester V.A.G 1552 using cable V.A.G 1551/3.
  • ‒ Switch the ignition on.
  • ‒ Press key 1 for "Rapid data transfer".
  • ‒ Press keys 2 and 5 for address word "Immobilizer" and confirm entry by pressing Q.
  • ‒ Press the ⇒key.
 
→ Indicated on display:
Rapid data transfer      HELP
Select function XX
  • ‒ Press keys 1 and 0 for function "Adaptation" and confirm entry with Q key.
 
→ Indicated on display:
Adaptation
Enter channel number XX
  • ‒ Press key 0 twice for "Channel number 0" and confirm entry with Q key.
 
→ Indicated on display:
Adaptation    Q
Erase learned values?
  • ‒ Confirm input with Q key.
 
→ Indicated on display:
Adaptation    ⇒
Learnt values have been erased
  • ‒ Finish adjustment by pressing ⇒ key.

Note:

The engine control unit identity is read into the immobilizer control unit the next time the ignition is switched on.

Checking idling speed > < Wiring and component test with test box V.A.G 1598/22