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If the display reads 91 mbar, continue the test as follows: > < Intake manifold pressure sender: testing

Leon Mk2

Test process
Test process
–  Connect the -V.A.G. 1551- (-V.A.G. 1552-). Switch on the ignition and enter “address code” 01 to select the engine control unit. (Fault reader: Connecting and selecting the engine control unit → Chapter.)
   
The display reads:
–  Press 0 and 8 for the function “Read measurement value block” and press Q to confirm the entry.
  
Rapid data transmission             HELP
Select function XX
The display reads:
–  Press 0, 0 and 3 for “Display group number 3” and press Q to confirm the entry.
  
Read measurement value block HELP
Enter display group number XXX
The display reads: (1...4 = display fields)
–  Read the intake manifold pressure value in field 2 and store the value.
–  Open the throttle valve briefly. In doing so, the intake manifold pressure should increase briefly.
If the value displayed holds constant at 91 mbar or 1254 mbar:
  
Read measurement value block     3     →

      

      

    
Displayed valueCauseContinue test
91 mbarOpen circuit or short circuit to earth → Chapter
1254 mbarShort circuit to positive → Chapter


      

      

    
       
      
     
      

      

    


If the display reads 91 mbar, continue the test as follows: >
< Intake manifold pressure sender: testing