Kia Niro: Fuel Delivery System / Fuel Pump Repair procedures

Kia Niro 2017 (DE HEV) Service Manual / Engine Control/Fuel System / Fuel Delivery System / Fuel Pump Repair procedures

Inspection

[Fuel sender]

1.	Turn the ignition switch OFF, and then remove battery (-) terminal.

2.	Remove the fuel pump assembly.

Using an ohmmeter, measure the resistance between terminals 1 and 6 of sender connector (A) at each float level.

Pin No.	Description
1	Fuel Sender (-)
2	Fuel pressure sensor (FPS) signal input
3	Fuel pressure sensor (FPS) ground
4	Ground (-)
5	CAN [Low]
6	Fuel Sender (+)
7	-
8	Fuel Pressure Sensor (FPS) Power [+5V]
9	CAN [High]
10	Battery Power (B+)

Also check that the resistance changes smoothly when the float moves from "E" to "F".

Position	Resistance (Ω)	Capacity (L)
E	298 - 305	3.0
1/2	80 - 82	22.5
F	14 - 16	44.1

Removal

1.	Switch "OFF" the ignition and disconnect the negative (-) battery terminal.

2.	Remove the rear seat cushion. (Refer to Body - "Rear Seat Assembly")

3.	Fuel pump service cover (A).

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

5.	Disconnect the fuel pressure sensor connector (B).

6.	Disconnect the fuel feed tube quick-connector (C).

7.	Remove the fuel pump plate cover (B) by using the special service tool (A) [SST NO.:09310-B8100].

8.	Remove the fuel pump (A).

Installation

Install in the reverse order of removal.

Carefully note the fuel pump direction during installation.

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