Fuel pump unit (689) EDC16

Location

Fuel pump module (689)

Main task

The unit pumps fuel to the high-pressure pump on the engine and measures the amount of fuel in the tank.

Type

The level sensor is a potentiometer.

The pump is 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.
B	Ground, fuel pump	Connected to grounding point G34S.
C	Ground, level sensor	Connected to ECM pin 14(B).
D	Signal, level sensor	Connected to ECM pin 15(B)

Level sensor diagram

Fuel pump diagram