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:
CVVT Oil Control Valve (OCV). Description and Operation
Description
Continuous Variable Valve Timing (CVVT) system advances or retards the
valve timing of the intake and exhaust valve in accordance with the ECM control
signal which is calculated ...
Warnings and indicators
All warning lights are checked by turning the ignition switch ON (do not start
the engine). Any light that does not illuminate should be checked by an authorized
HYUNDAI dealer.
After starting th ...
Power Seat Control Switch. Repair procedures
Inspection
With the power seat switch in each position, make sure that continuity
exists between the terminals below. If continuity is not as specified, replace
the power seat switch.
A ...
