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Test the starter signal > < Check engine speed adaptation by switching on the air conditioning system

Octavia Mk1

Check selector lever positions of the automatic gearbox
Check selector lever positions of the automatic gearbox
Special tools and workshop equipment required
t  Handheld multimeter, e.g. -V.A.G 1526 A -
t  Voltage tester, e.°g. - V.A.G 1527-
t  Vehicle system tester -V.A.G 1552 - with cable -V.A.G 1551/3-
t  Measuring tool set -V.A.G 1594 A -
t  Test box -V.A.G 1598/22-
  Note
t  The engine control unit receives the information if a gear is engaged (selector lever in 1/2/3/R/D) or not (selector lever in P or N) from the relay for starter interlock switch and reversing light -J226-.
t  The relay for starter interlock switch and reversing light -J226- switches in the selector lever position P or N earth to the contact 22 at the engine control unit.
–  Connect vehicle system tester -V.A.G 1552- and select address word 01 “Engine electronics”. Ignition switched on.
–  Select 08 for the function “read measured value block” and further select display group 019.
   
The following appears in the display:
Display field 2 must display “0” (selector lever in P or N).
–  Foot brake activated and engage a driving position.
Display field 2 must display “1”.
–  If the readout in the display is not as described, connect the test box -V.A.G 1598/22- at wiring loom to the engine control unit → Chapter.
–  Connect voltage tester between socket 3 (terminal 30) and socket 22.
–  The voltage tester must go out when engaging a driving position.
–  If the voltage tester lights up continuously or not at all, test the wiring of contact 22 at engine control unit to relay for starter lock and reversing light -J226- for short circuit to positive or to earth as well as for interruption → Current flow diagrams and Fitting locations.
–  If there is no fault in the wiring, check the multi-function switch → Automatic Gearbox. → Rep. Gr.01.
  
Reading measured value block 19                      ->
850/rpm      0      1      xxxxxxxx

Test the starter signal > < Check engine speed adaptation by switching on the air conditioning system