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Additional signals: checking > < Engine control unit

Leon Mk1

Check the beginning of injection valve N108 as follows:
Check the beginning of injection valve -N108- as follows:
–  Uncouple the 10-pin connector for the beginning of injection sender (connector to the fuel measuring system servomechanism of the injector pump).
   
–  Measure resistance between contacts 9+10 of connector -2-. Specification: 12,0...20,0 Ω
If the specification is not obtained:
–  Replace beginning of injection valve -N108- → Item
–  Interrogate fault memory, repair faults and then erase fault memory. -VAS 5051-; Vehicle self-diagnosis, fault memory: consulting and clearing → Anchor
If the specification is obtained:
  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 9 + socket 114 Contact 10 + socket 2 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- → Chapter.
  E23-0076

Additional signals: checking > < Engine control unit