seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

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If approximately -33 ?C is displayed, proceed as follows: > < Intake air temperature transmitter: test

Leon Mk2

Testing procedure
Testing procedure
–  Attach the unit -V.A.G. 1551- (-V.A.G. 1552-). Switch on the ignition and enter “direction code” 01 to select the engine control unit. (Fault finder: Connect and select the engine control unit → Vehicle diagnosis, testing and information system VAS 5051.)
   
Display reading:
–  Press the 0 and 8 buttons for the function “Read measurement values block” and confirm the entry with the Q button.
  
Rapid data transfer                 HELP
Select function XX
Display reading:
–  Press buttons 0, 0 and 5 for “display group 5” and confirm the entry with the Q button.
  
Read measurement values block       HELP
Enter display group number XXX
Display reading: (1...4 = display fields)
Functional test of the transmitter
–  Read the value for the intake air temperature that appears in field 4.
  
Read measurement values block 5        →
         1         2         3         4
Value displayedCauseContinue testing
approx. -33 °CBreak or short circuit to positive
→ Chapter
approx. 118 °CShort circuit to earth → Chapter
Approximate ambient
temperature → Note

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→ Chapter

[amp ]sup1;)[amp ]tab;If a temperature is displayed that is lower than the transmitter's ambient temperature, the transmitter cables should first be checked with respect to contact resistance. Bear in mind that the transmitter may become heated by radiated heat while the vehicle is stopped.
1)  Hier hat der Redakteur keine Fussnote eingegeben.
   

If approximately -33 ?C is displayed, proceed as follows: > < Intake air temperature transmitter: test