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Motor for flap in intake manifold: checking > < Fuel cut-off valve: checking

Leon Mk2

Checking process
Checking process
–  Checking the fuel cut-off valve -N109- is carried out with the final control diagnosis -VAS 5051-: Vehicle self-diagnosis → Anchor
Only if the engine does not stop:
–  Extract the fuel cut-off valve -N109- and eliminate possible metal particles or dirt.
–  Repeat the final control diagnosis and if the engine continues to run, check the fuel cut-off valve as follows:
–  Switch on ignition.
The fuel cut-off valve -N109- should activate briefly.
If the valve does activate:
–  Switch off ignition.
   
–  Uncouple the 10-pin connector -arrows- from the injector pump.
–  Switch on ignition.
–  Connect diode test lamp -V.A.G 1527 B- between contact 8 of the connector -1- and vehicle earth. The LED should flash
If the LED does not flash:
  E23-0076
–  Connect test box -V.A.G 1598/31- to control unit wiring harness. The engine control unit remains disconnected.
  E23-0084
–  Check wiring for open circuit between test box and connector using current flow diagram. Contact 8 + socket 120 Wire resistance: 1,5 Ω Max.
–  Additionally check wires for shorts to one another, to vehicle earth or to battery positive. Specification: ∞ Ω
If no wiring fault is detected:
–  Replace diesel direct injection control unit -J248- → Anchor.
  E23-0076

Motor for flap in intake manifold: checking > < Fuel cut-off valve: checking