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Automatic test cycle > < Fault memory

Leon Mk2

Engine control unit fault memory: consulting and clearing
Engine control unit fault memory: consulting and clearing
Special tools and workshop equipment required
t  Fault reader -V.A.G 1551- or Vehicle systems checker -V.A.G 1552- with Lead -V.A.G 1551/3B-
Work sequence
  Note!
All functions carried out until now with the -V.A.G 1551/1552- can also be carried out with the new -VAS 5051-.
–  Connect the -V.A.G 1551- (V.A.G. 1552). Start the engine and enter “address code” 01 to select the engine control unit. (Fault reader: Connecting and selecting the engine control unit → Chapter.)
Only if the engine does not start:
–  Operate the starter motor for about 6 seconds. Then do not switch off the ignition.
–  Press Print to activate the fault reader printer. The button should light up.
   
The display reads:
–  Operate the fault reader bearing in mind the message on the display:
–  Press 0 and 2 for the function “Consult fault memory” and press Q to confirm the entry.
  
Rapid data transmission             HELP
Select function XX
The display shows the number of faults stored or “No fault found”.
If no fault is stored:
–  Press →.
If one or more faults are stored:
Stored faults are displayed and printed out in succession.
  
X faults found                          

      

      

    
      

      

    
Once stored faults are printed out, the display will read:
– 
          Press 0 and 5 for the function “Clear fault memory” and press Q to confirm the entry.

      		 
      
    
Rapid data transmission             HELP
Select function XX                      

      

      

    
      

      

    
The display reads:
 
      Note!
The fault memory will not clear if the ignition is switched off between consulting and clearing the fault memory.
– 
          Press →.

      		 
      
    
Rapid data transmission               ->
The fault memory is clear               

      

      

    
      

      

    
The display reads:
– 
          Press 0 and 6 for the function “End data transmission” and press Q to confirm the entry.

      		 
      
    
Rapid data transmission             HELP
Select function XX                      

      

      

    
      

      

    
The display reads:
– 
          Switch off the ignition.
– 
          Eliminate faults on the print out, using the fault table: Codes P0 SAE  → Chapter, Codes P1 SAE  → Chapter.
– 
          Consult the conformity code  → Chapter. If the fault memory has been cleared or the permanent positive voltage supply to the engine control unit disconnected, generate the conformity code again  → Chapter.

      		 
      
    
Rapid data transmission             HELP
Enter address code XX                   

      

      

    


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