Fuel Pump Control Unit: Service and Repair

Control module fuel pump (FP), replacing

Note! Some variation may occur. However, the essential information in the illustrations is always correct.

Removal





Vehicles with fuel pump module located on fuel tank




Open Luggage Compartment Lid/tailgate

Remove:
- luggage compartment mat/floor hatches and side panels on the right side
- backseat's seat cushion
Fold the rear seat backrest forward.
Remove the right side upholstery Refer to: Upholstery, side cushion, replacing Upholstery, Side Cushion, Replacing
Remove the right part of the backrest
Use new bolt, 1 pc. M10.
Tighten with 50 Nm.




Remove bracket for child seat from the floor.
Use new bolt and nut.
1 pc. M10, tighten with 50 Nm.
1 pc. M12, tighten with 80 Nm.

Move aside the insulating mat.





Remove:
- right floor hatch over fuel tank
- the cable harness





Disconnect:
- cable harness' connectors by wheel housing/sill and fuel pump
- cable from brackets




Cut off the cable harness as shown. This is done to make it easier to remove the cable harness.
Remove the remaining part of the cable harness with connector.




Raise the car

Remove:
- the connector from the control unit
- control module from the vehicle
- cable harness from its brackets
- cable harness from the vehicle
Check that the fuel line is located in its clamps.

Vehicles with fuel pump module located in spare wheel well's right trailing edge.





Remove:
- luggage compartment mat/floor hatches so that spare wheel well can be released
- the connector from the control unit
- the control module from Velcro fastener

Installation

Vehicles with fuel pump module originally located on fuel tank.




Connect a new cable harness to the connector by the sill and the fuel tank.
Place the cable harness in the seal ring's slot and in the bracket on the body.
Install the floor hatch and tighten with 6 Nm.
Check carefully that the seal is in place when the hatch is installed.




Open the vehicle's cable channel and lay down the cable harness.
Close the cable channel.




The control module shall be placed in the spare wheel well's rear part on the right side, between the two markings and below the bead of sealing compound.
Remove the protective tape from the self-adhesive Velcro fastener and install the control module.
Plug in the connector from the cable harness to the control module.

To install, reverse the removal procedure.

Vehicles with fuel pump module originally located in spare wheel well's right trailing edge.





Install:
- new control module
- the connector to the control module
- the luggage compartment mat/floor hatches