GF07.61-P-3018M ME-SFI Safety Fuel Shutoff, Function

GF07.61-P-3018M ME-SFI Safety Fuel Shutoff, Function

Task
^ In the event of mechanical faults at the throttle valve actuator, the engine speed is limited to approx. 1400 rpm by cutting out the fuel injection valves (strong surging engine running
^ Without the engine speed signal TNA, the fuel pump actuation is interrupted.
^ The ME control unit is supplied with a crash signal from the airbag control unit if the airbags are deployed (front crash). In this case, the ME-SFI control unit switches off the fuel pump. The fuel valves are actuated briefly to reduce the pressure in the fuel system.