seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

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Needle movement sender: checking > < Check the slide travel sender G149

Leon Mk2

Check the dosifier N146
Check the dosifier -N146-
–  Remove 10-pin connector -2- (connector to the fuel measuring system servomechanism of the injector pump).
   
–  Test resistance between contacts 5 and 6 of connector -2-. Specification: 0,5...2,5 Ω
–  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 not obtained:
–  Replace injector pump → Chapter
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 5 + socket 2 Contact 6 + socket 116 and 121 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

Needle movement sender: checking > < Check the slide travel sender G149