Hyundai Sonata: Fuel Delivery System / Fuel Pump Control Module (FPCM) Repair procedures
| Removal |
| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. |
emove the rear seat cushion.
( Refer to Body - "Rear Seat Assembly") |
| 3. |
Remove the fuel pump service cover (A).
|
| 4. |
Disconnect the fuel pump control module connector (A). |
| 5. |
Remove the fuel pressure control module (A) after removing the screws.
|
| Installation |
| 1. |
Install in the reverse order of removal.
|
| Inspection |
| 1. |
Connect the GDS to the vehicle's data link connector (DLC). |
| 2. |
Check any DTCs and if exist, repair according to the DTC guide. |
| 3. |
Check the power supply voltage provided to the fuel pressure sensor (FPS).
|
| 4. |
Check the voltage provided to the fuel pressure sensor (FPS) at idle.
|
| 5. |
Check the fuel pressure in the low fuel line.
(Refer to Fuel Delivery System - "Fuel Pressure Test")
|
Fuel Pump Control Module (FPCM) Schematic Diagrams
Circuit Diagram
Fuel Pressure Control Module (FPCM) Terminal And Input/Output signal
FPCM Terminal Function
Pin No.DescriptionConnected to1Fuel sender ground Fuel Pump 2Fuel pressure sensor (FPS) ...
Fuel Pressure Sensor (FPS) Description and Operation
Description
The fuel pressure sensor (FPS) is installed on the top of the
low pressure fuel pump and measures the pressure in the low pressure
fuel line.
Based on the fuel pressure measured by ...
Other information:
Hyundai Sonata LF 2014-2019 Service Manual: Blind Spot Detection Unit Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rear bumper.
(Refer to Body - "Rear Bumper")
3.
Remove the BSD unit (A) after loosening the mounting nuts.
Take care not to separate the bracket from rear bumper when removing the BSD sensor.
...
Hyundai Sonata LF 2014-2019 Service Manual: Rail Pressure Sensor (RPS) Description and Operation
Description
Rail Pressure Sensor (RPS) is installed on the delivery pipe
and measures the instantaneous fuel pressure in the delivery pipe. The
sensing element (Semiconductor element) built in the sensor converts the
pressure to voltage signal. By using this signal, the ECM can control
co ...
