Hyundai Sonata: Engine Control System / Rail Pressure Sensor (RPS) Repair procedures

Inspection
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Measure the output voltage of the RPS at idle and various engine speed.
Condition
Output Voltage (V)
Idle
 Approx. 1.2
1,500 rpm
2.2 ~ 2.5
6,300 rpm
 Approx. 3.0

Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - “Release Residual Pressure in Fuel Line”)
   
When removing the fuel pump relay, a Diagnostic Trouble Code (DTC) may occur. Delete the code with the GDS after completion of “Release Residual Pressure in Fuel Line” work.
3.
Remove the intake manifold.
(Refer to Engine Mechanical System - “Intake Manifold")
4.
Remove the injector foam (A).

5.
Disconnect the rail pressure sensor connector (A), and then remove the sensor (B) from the delivery pipe.

Installation
   
Install the component with the specified torques.
Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.
1.
Install in the reverse order of removal.

Rail Pressure Sensor Installation:
30.0 ~ 35.0 N.m (3.0 ~ 3.6 kgf.m, 22.1 ~ 25.8 lb-ft)

Rail Pressure Sensor (RPS) Schematic Diagrams
Circuit Diagram ...

Accelerator Position Sensor (APS) Description and Operation
Description Accelerator Position Sensor (APS) is installed on the accelerator pedal module and detects the rotation angle of the accelerator pedal. The APS is one of the most important sensors ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Special Service Tools
Special Service Tools Tool(Number and Name)IllustrationUse09581-11000Piston expanderSpreading the rear disc brake piston.09580 - 0U000Brake piston adjusterRemoval and installation of the rear disc brake piston.09581-2T100Piston expanderSpreading the front disc brake piston. ...

Hyundai Sonata LF 2014-2019 Service Manual: Temperature Control Actuator Description and Operation
Description The temperature control actuator is located at the heater unit. It regulates the temperature by the procedure as follows. The signal from the control unit adjusts the position of the temperature door by operating the temperature switch. Then the temperature will be regulated by ...

© 2018-2022 www.hsonatalf.org