Hyundai Genesis: Engine Control System / Fuel Pressure Control Valve Description and Operation
Fuel Pressure Regulator Valve is installed on the high
pressure fuel pump and controls the fuel amount flowing into the
injectors in accordance with the ECM signal calculated based on various
engine condition.

Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the VIS valve connector.
3.
Measure resistance between the VIS valve terminals 1 and 2.
4.
Check that the resistance is within ...
Specification
ItemSpecificationCoil Resistance (?)1.04 ~ 1.27 [23°C(73.4°F)]
...
Other information:
Removal
•
Use fender covers to avoid damaging painted surfaces.
•
To avoid damage, unplug the wiring connectors carefully while holding the connector portion.
•
Mark all wiring and hoses to avoid misconnection.
•
...
Inspection
1.
Disconnect the negative battery terminal(-).
2.
Remove the overhead console.
3.
Remove the screws(A) and connector, Remove the hands-free mic(B).
4.
Check the continuity of mic between terminals ...