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Measured value blocks > < Servicing ignition system

Leon Mk1

  • Power unit
  • SDI diesel injection and preheating system
  • Self diagnosis, V.A.G Inspection Service
  • Self-diagnosis

Technical data of self-diagnosis
Technical data of self-diagnosis
Implementation
t  The data transmission between the control unit and the -V.A.G 1551- or -V.A.G 1552- equipment is carried out in “Rapid data transmission” operative mode.
t  Fault memory: Permanent and volatile memories → Note
1)  If the fault does not reappear after 50 engine starts it is erased from the memory
Interrogate control unit version
The control unit version is displayed when connecting fault reader -V.A.G 1551- or -V.A.G 1552- and selecting the engine electronics control unit → Chapter.
Selectable functions on -V.A.G 1551/1552-
The prerequisites for selecting the desired functions can be determined from the following table.
Selectable functions under address code 01, engine electronics
   
FunctionPrerequisite
Functions of fault reader -V.A.G 1551- or of vehicle system tester -V.A.G 1552-Engine stationary, ignition switched onEngine running at idling speed
00Automatic test sequencenoyes
01Interrogate control unit versionyesyes
02Interrogate fault memoryyes → Noteyes
03Final control diagnosisyesyes
04Basic settingnoyes
05Clear fault memoryyesyes
06End outputyesyes
07Encode control unityesno
08Read measured value blockyesyes

2)  Do so if the engine does not start. The ignition should be switched on.
   

  • Power unit
  • SDI diesel injection and preheating system
  • Self diagnosis, V.A.G Inspection Service
  • Self-diagnosis

Measured value blocks > < Servicing ignition system