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

Variable Intake Solenoid (VIS) Valve. Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the VIS valve connector.
3.
Measure resistance betwe ...
Fuel Pressure Control Valve. Specifications
Specification
Item
Specification
Coil Resistance (Ω)
0.5 [20°C(68°F)
...
See also:
Positive Crankcase Ventilation (PCV) Valve. Description and Operation
Operation Principle
...
Transaxle Control Module (TCM). Schematic Diagrams
1. TCM Connector and Terminal Function
2. TCM Terminal Function
Connector [CHG-AG]
Pin
Description
Pin
Description
1
& ...
How does the air bag system operate
Air bags are activated (able to inflate if necessary) only when the ignition
switch is turned to the ON or START position.
Air bags inflate instantly in the event of serious frontal or side co ...
