312000119 - 1040A FUEL TANK AND COMPONENTS

SUMBERGED PUMP ASSEMBLY - COMPOSITION

It consists essentially of:

  • an electric fuel pump (1)
  • a fuel filter (2)
  • a float level level gauge (3)
  • a pressure regulator (4)
  • a mesh prefilter (5).

Level gauge electrical values

Reading on multiple instrumentResistance (Ohm)Fuel level (mm)Lower float edge height (mm)
4/4A33 ± 3195186,4 ± 2
3/4B76 ± 3165156,6 ± 2
1/2C134 ± 3125116,9 ± 2
1/4D206 ± 37567,1 ± 2
RE235 ± 35547,2 ± 2
0F299 + 3,5 / -3,310,53 ± 2
The fuel pump connector is illustrated in the diagram below.
1. Level sensor signal2. Level sensor earth3. Pump earth4. Pump signal5. N.C.6. N.C.

Fuel pump

The fuel pump is equipped with a permanent magnet electric motor (1) that controls the pump (2) and a terminal mount cover (3) that contains the electrical and hydraulic connections.The pump stage is single, peripheral flow type with high performance under low voltage and temperature conditions.

The advantages compared to pumps that operate on volumetric principles are as follows:

  • reduced weight
  • limited size.
Fuel pump

Specifications:

  • Capacity = 80 l/h
  • Pressure 4 bar
  • Valve control pressure = 5 bar

Fuel cut off function

There is no inertia switch on this vehicle; the fuel cut off function is managed by the Body Computer Node and by the Engine Management Control Unit according to the signals received by the Air Bag control unit via the CAN.For more details see    See descriptions 1056 PETROL INJECTION SYSTEM