skoda Workshop Repair Guides

Skoda Workshop Service and Repair Manuals

ABOUT US
Test data bus > < Test signal of PAS pressure switch

Octavia Mk1

Test the signal of the clutch pedal switch
Test the signal of the clutch pedal switch
For vehicles 08.97 ►
Special tools, test equipment and aids required
t  Vehicle system tester -V.A.G 1552 - with cable -V.A.G 1551/3-
Test sequence
–  Connect vehicle system tester -V.A.G 1552- and select address word 01 “Engine electronics”. Engine idling.
–  Select 08 for the function “read measured value block” and further select display group 019.
   
Observe display value in the display field 4. (3rd position from right).
Specified value: x x x x x 1 x x
–  Depress the clutch pedal and observe the display value in the display field 4.
Specified value: x x x x x 0 x x
–  End the test using the function 06 “End output”.
If the specified value is not reached:
–  Connect the test box -V.A.G 1598/22 - to the wiring loom of the engine control unit → Chapter.
–  Check wiring between the test box and the 2-pin plug for continuity according to the current flow diagram.
   Contact 2+bush 21
   Cable resistance max. 1.5 Ω.
If the specified value is reached:
–  Check the cables between the 2-pin plug contact 1 and the fuse 34 for interruption according to the current flow diagram. Cable resistance: max. 1.5 Ω → Current flow diagrams and Fitting locations
  
Reading measured value block 19                      ->
850/rpm      0      1      00000100

Test data bus > < Test signal of PAS pressure switch