seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Fuel pump and fuel system: checking > < Fuel delivery system: bleeding
Crash fuel shut off: functioning
Crash fuel shut off: functioning
Vehicles with an airbag are fitted with a crash fuel shut-off. The aim of this system is to reduce the risk of fire in the vehicle in case of collision, by disconnecting the fuel pump by means of the Fuel pump relay -J17-.
At the same time, this system provides better starting performance.
When the door is opened, the fuel pump is activated for 2 seconds in order to build up pressure in the fuel system.
When opening the fuel system:
Observe safety precautions → Chapter.
–  Check the Fuel pump relay -J17- → Vehicle diagnosis, testing and information system VAS 5051.
   

Fuel pump and fuel system: checking > < Fuel delivery system: bleeding