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Intake manifold temperature sender: testing > < Clutch pedal switch: testing

Leon Mk2

Test process
Test process
–  Attach the -V.A.G. 1551- (-V.A.G. 1552-) and, with the corresponding “address code” 01, select the engine electronics control unit. When doing so, the ignition must be on. (Fault reader: connecting and selecting the engine electronics control unit → Vehicle diagnosis, testing and information system VAS 5051.)
   
Reading on the display:
–  Press 0 and 8 for the function “Read measured value block” and confirm the entry with the Q button.
  
Rapid data transmission             HELP
Select function XX
Reading on the display:
–  Press 0, 0 and 6 for “Display group number 6” and confirm the entry with the Q button.
  
Read measured value block               
Enter value group number XXX
– 
–  Watch the value displayed in field 2. Target value: 0 0 0
  
Read measured value block 6            →
0 km/h     0 0 0     0.0 %           255
– 
–  Depress the clutch pedal. The left-hand digit should change to 1. Target value: 1 0 0
If the target values are not reached:
–  Press →.
–  Press 0 and 6 for the function “End data transmission” and confirm the entry with the Q button.
–  Switch off the ignition.
–  Remove the clutch pedal switch connector Location of components, → Chapter.
  
Read measured value block 6            →
0 km/h     1 0 0     0.0 %           255
–  Measure the resistance at the switch contacts. Target value Clutch without depressing: 10 Ω max. Clutch depressed: ∞ Ω
If the target values are not reached:
–  Replace the clutch pedal switch -F36-.
If the target values are reached:
  N23-0099
–  Attach the test box -V.A.G. 1598/31- to the wiring harness of the control unit.
  E23-0032
–  Test for open circuits in the wiring between the test box and the connector, following the wiring diagram. Contact 1 + female contact 1 Contact 1 + female contact 2 Contact 2 + female contact 66 Wiring resistance: 1.5 Ω max.
–  Also test for short circuits between wires, to vehicle earth and to positive battery. Target value: ∞ Ω
If no fault is found in the wiring:
–  Replace the direct diesel injection system control unit -J248- → Anchor.
  N23-0100

Intake manifold temperature sender: testing > < Clutch pedal switch: testing