Fuel filter unit (672) EDC16

Location

The unit is located on the side of the tank and comprises the following components:

Fuel filter heating element (410)

Fuel temperature sensor (651)

Level switch, water, fuel filter (692)

Main task

The unit filters the fuel, separates any water in the fuel and preheats the fuel if necessary.

Type

Connection, heating element 410

Connected via a 2-pin connector on the top of the unit.

Pin No.	Signal type	Description
1	Power supply	Connected via relay 641 to fuse 36.
2	Ground	Connected to grounding point G33P.

Connection, temperature sensor 651

Connected via a 2-pin connector on the top of the unit.

Connection, level switch 692

Connects via the 3-pin connector underneath the unit.

Pin No.	Signal type	Description
1	Signal	Connected to ECM pin 74(B).
2	Ground	Connected to grounding point G34S.
3	Power supply	Connected to fuse 4 in UEC.