Hyundai Genesis (DH): Fuel Delivery System / Fuel Pump Control Module (FPCM) Repair procedures

Inspection

1.	Connect the GDS on the Data Link Connector (DLC).

2.	If there is DTC on the GDS, replace the FPCM.

Check the output voltage of fuel pressure sensor (FPS).

Specification: 5V

Check the output voltage of fuel pressure sensor (FPS) at idle.

Specification: 1.4 ~ 3.2 V

Test the lower fuel pressure line.

(Refer to Fuel Delivery System - "Fuel Pressure Test")

Specification: Refer to "Specification"

Removal

1.	Turn the ignition switch OFF and disconnect the battery negative (-) cable.

2.	Remove the trunk rear transverse trim.

3.	Fold the luggage side trim (LH).

4.	Disconnect the fuel pump control module connector (A).

5.	Remove the mounting nuts (B), and then remove the fuel pump control module (C) from the vehicle.

Installation

1.	To install, reverse the removal procedure.

Circuit Diagram

Description The fuel pressure sensor (FPS) is installed on top of the low pressure fuel pump and measures the pressure of the low pressure fuel line.

Other information: