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Hyundai Equus: Fuel Pump Control Module (FPCM) Description and Operation
| Description |
| 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
Fuel Pump Control Module (FPCM) SpecificationsAir Filter Repair procedures
Removal
•
A plug protects the air inlet of the reservoir tank from dust
or other particles. Do not remove the plug except when assembling or
disassembling the reservo ...
Canister Close Valve (CCV) Description and Operation
Description
Canister Close Valve (CCV) is normally open and is installed
on the canister ventilation line. It seals evaporative emission control
system by shutting the canister from the atmosph ...
Fuel Tank Repair procedures
Removal
1.
Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")
2.
Turn the ignition switch OFF and disconnect the negative ...