volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Connecting fault reader V.A.G 1551 and selecting engine electronics control unit > < Function
Mono-Motronic Injection and Ignition system
Self diagnosis
Technical data of self diagnosis

Equipped with

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

     1)     Will be cancelled after 10th engine start if fault has not occurred again.

Selectable functions

Function

Ignition switched on

Engine idling

02

Interrogate fault memory

-

x

03

Final control diagnosis

x

-

04

Introduction of basic setting

x

x

     1)     The displayed figures in this function also the measuring value blocks required are described in the respective repair procedures.
          Other measuring value blocks and figures output by the control unit, are currently not required by the service department.

Function

Ignition switched on

Engine idling

05

Erase fault memory

-

x

06

End output

x

x

08

Read measuring value block

x

x

     1)     The displayed figures in this function also the measuring value blocks required are described in the respective repair procedures.
          Other measuring value blocks and figures output by the control unit, are currently not required by the service department.

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