Hyundai Sonata: Rail Pressure Sensor (RPS). Repair procedures - Engine Control System - Engine Control/Fuel SystemHyundai Sonata: 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
  2.0 ~ 2.2
6,300 rpm
  Approx. 2.8


Removal

1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line” in this group).
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 “Intake And Exhaust System” in EM group).
4.
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.
Installation is reverse of removal.
Rail Pressure Sensor Installation: 18.0 ~ 22.0 N.m (1.8 ~ 2.2 kgf.m, 13.3 ~ 16.2 lb-ft)

    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 senso ...

    See also:

    Outside rearview mirror
    Be sure to adjust mirror angles before driving. Your vehicle is equipped with both lefthand and right-hand outside rearview mirrors. The mirrors can be adjusted remotely with the remote switch. The ...

    Schematic Diagrams
    Circuit Diaram ...

    Shift lock system
    For your safety, the automatic transaxle has a shift lock system which prevents shifting the transaxle from P (Park) or N (Neutral) into R (Reverse) unless the brake pedal is depressed. To shift ...