volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Connecting fault reader V.A.G 1551 and selecting engine electronics control unit > < Function
Motronic injection and ignition system (4-Cyl. engine)
Self diagnosis
Technical data of self diagnosis

Equipped with

  • ◆ Fault memory: Non-volatile memory and volatile memory1)
  • ◆ Rapid data transmission

     1)     Will be cancelled after 40th engine start if fault has not occurred again.

Selectable functions

Function

Ignition switched on

Engine idling

02

Interrogate fault memory

x

x

03

Final control diagnosis

x

-

04

Introduction of basic setting1)

-

x

05

Erase fault memory

-

x

06

End output

x

x

08

Read measuring value block

x

x

Connecting fault reader V.A.G 1551 and selecting engine electronics control unit > < Function