Fuel pump unit (689), EDC16

Location

The unit is located on the tank and comprises:

Level sensor, fuel (46)

Fuel pump motor (323)

Main task

The unit supplies the high-pressure pump on the engine with fuel and measures the quantity of fuel in the fuel tank.

Type

The level sensor is a potentiometer.

The pump comprises an electric motor that drives a turbine pump.

Connection

Pin no.	Signal type	Description
A	Power supply, fuel pump	Connected to fuel pump relay 102 via fuse 15 on the instrument panel fuse board.
B	Ground, fuel pump	Connected to grounding point G5.
C	Signal, level sensor	Connected to MIU pin 15.
D	Ground, level sensor	Connected to MIU pin 31.