Hyundai Equus: Fuel Pump Control Module (FPCM) Description and Operation
Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Engine Control/Fuel System / Fuel Delivery System / Fuel Pump Control Module (FPCM) Description and Operation
Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Engine Control/Fuel System / Fuel Delivery System / Fuel Pump Control Module (FPCM) Description and Operation
| Description |
The fuel pump control module (FPCM) is installed on the right
side of the trunk compartment. It controls the BLDC (Brushless DC)
motor mounted inside the variable low pressure fuel pump. This module
compares the target fuel pressure data received from the ECM to the
current fuel pressure measured by the fuel pressure sensor (FPS) and,
based on the data from the FPS, controls the 3-phase duty function of
the low pressure fuel pump to generate the target pressure.
| Operation |
| 1. |
The ECM receives the target fuel pressure signal through CAN communication with the FPCM. |
| 2. |
The FPS applies the current low fuel pressure value to the FPCM. |
| 3. |
The FPCM controls the 3-phase duty function of the low pressure fuel pump. |
| 4. |
The FPS applies the current low fuel pressure value to the FPCM. |
| 5. |
It controls the low pressure fuel pump based on the RPM and vehicle load to provide a consistent flow rate. |
Over Pressure Valve (OPV) Repair procedures
Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Release the residual pressure in fuel line.
(Refer to Fuel Delivery System -"Release Residual Pressu ...
Fuel Pump Control Module (FPCM) Specifications
Specification
ltemSpecificationSupply Voltage (V)8~18Supply Current (A)Max. 10Fuel Pressure (kpa)Starting600Drive350 ~ 500Stop20 Under
...
See also:
Blind Spot Detection Unit Schematic Diagrams
Circuit Diagram
...
Climate Seat Unit Repair procedures
Removal
Front Seat - Climate control system Seat Blower
1.
Disconnect the negative (-) battery terminal.
2.
Remove the front seat.
(Refer to Body - "Front Seat Assembly")
3.
Remove the f ...
Oil Pump Components and Components Location
Components Location
1. Oil seal2. Reaction shaft3. Housing4. Cover5. O-Ring6. Reaction shaft7. Snap ring8. Needle bearing9. 8LR/B return spring10. 8LR/B piston
...
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