Hyundai Sonata: Fuel Pressure Control Valve. Schematic Diagrams
Circuit Diagram

Fuel Pressure Control Valve. Troubleshooting
Signal Waveform
...
Fuel Pressure Control Valve. Repair procedures
Inspection
1.
Turn the ignition switch OFF and disconnect the battery negative
(-) cable.
2.
Disconnect the fuel pressure regulator valve ...
See also:
Before starting
Close and lock all doors.
Position the seat so that all controls are easily reached.
Adjust the inside and outside rearview mirrors.
Be sure that all lights work.
Check all gauges.
Check ...
Repair procedures - Revised
Fuel Pressure Test
1.
Release the residual pressure in fuel line (Refer to “Release
Residual Pressure in Fuel Line” in this group).
...
Power Door Mirror Actuator. Repair procedures
Inspection
1.
Remove the front door quadrant delta cover.
(Refer to the BD group - "Front door")
2.
Disconnect the power door ...
