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Check fuel flow rate > < Testing fuel pump

Fabia Mk2

Inspecting proper operation and power supply
Inspecting proper operation and power supply
Test conditions
l  Battery voltage at least 11.5 volts
l  Fuse for protection of fuel pump in fuse carrier below the dash panel O.K.
Vehicles Fabia II
–  Position right rear seat vertically → Body Work; Rep. gr.72.
Vehicles Roomster
–  Fold the rear seat forward and position the middle and rear seat vertically → Body Work; Rep. gr.72.
Continued for all vehicles
   
–  Remove the cover of the fuel delivery unit under the mat.
–  Switch on ignition. The fuel pump must be heard to start running.
–  Switch off ignition.
If the fuel pump does not run:
–  Remove cover from the fuse holder.
  N20-10606
–  Remove fuse for protection of fuel pump from the fuse carrier below the dash panel according to current flow diagrams → Current flow diagrams, Electrical fault finding and Fitting locations.
–  Connect the remote control -V.A.G 1348/3A- with the adapter cable combination from the adapter cable set between the relevant fuse sockets (de-energized) and to battery positive (+).
–  Activate remote control.
If the fuel pump starts running:
–  Testing fuel pump relay -J17- → Vehicle diagnostic tester.
If the fuel pump does not run:
–  Disconnect the plug from the flange at the fuel delivery unit.
Vehicles with engine identification characters BUD, BXW
  S20-0290
–  Connect multimeter for voltage measurement to contacts 1 and 4.
Vehicles with engine identification characters CGGB
–  Connect multimeter for voltage measurement to contacts 1 and 5.
For all vehicles
–  Activate remote control.
Specified value: approx. battery voltage.
If the specified value of the voltage is not reached:
–  Determine and remove open circuit in the wiring according to the current flow diagram → Current flow diagrams, Electrical fault finding and Fitting locations.
If the specified value of the voltage is reached:
  A20-0099
–  Unscrew union nut with wrench -MP1-227 (3217)-.
–  Remove the fuel delivery unit and check whether the electric wiring between the flange and fuel pump is connected.
If no open circuit was detected:
–  Replace fuel delivery unit → Chapter.
  S20-0054

Check fuel flow rate > < Testing fuel pump