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Engine speed sender: checking > < Continuation for both connector shapes

Leon Mk2

Test conditions
Test conditions
l  Engine must be cold.
Functional check of sender
–  Connect fault reader -V.A.G 1551- (-V.A.G 1552-). Start engine and use address code 01 to select engine control unit. (Connecting fault reader and selecting engine control unit → Vehicle diagnosis, testing and information system VAS 5051.)
   
Indicated on display:
–  Press keys 0 and 8 for the function “Read measured value block” and confirm entry with Q key.
  
Rapid data transfer                 HELP
Select function XX
Indicated on display:
–  Press keys 0, 0 and 1 for “Display group number 1” and confirm entry with Q key.
  
Read measured value block               
Input display group number XXX
Indicated on display: (1...4 = Display fields)
–  Observe coolant temperature value in display zone 2, whilst engine is running. The temperature figure must increase uniformly and without interruption.
  Note!
t  If the display on fault reader jumps by 2...5 °C, it is a control unit fault and not caused by a defective sender.
t  If irregular engine running occurs in certain temperature ranges and the temperature figure does not increase without interruption, the temperature signal is temporarily interrupted and the sender must be renewed.
–  Press →-key.
–  Press keys 0 and 6 for the “End output” function and confirm input with the Q key.
–  Switch off ignition.
If the specification is not obtained:
–  Replace coolant temperature sender -G62- with coolant temperature gauge sender -G2- → Item.
  
Read measured value block            1 →

      

      

    


Engine speed sender: checking >
< Continuation for both connector shapes