Hyundai Sonata: Engine Control System / Rail Pressure Sensor (RPS) Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Engine Control System / Rail Pressure Sensor (RPS) Description and Operation

Description

Rail Pressure Sensor (RPS) is installed on the delivery pipe and measures the instantaneous fuel pressure in the delivery pipe. The sensing element (Semiconductor element) built in the sensor converts the pressure to voltage signal. By using this signal, the ECM can control correct injection amount and timing and adjusts the fuel pressure with the fuel pressure regulator valve if the target pressure and the actual pressure calculated by the RPS output signal are different.

Heated Oxygen Sensor (HO2S) Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Disconnect the HO2S connector. 3. Measure resistance between the HO2S terminals 2 and 5 [B1/S1]. 4. Measure resistance between the HO2S t ...

Rail Pressure Sensor (RPS) Specifications

Specification ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: LCD Modes
Shift to P to edit settings This warning message illuminates if you try to select the other User Settings item when driving. For safety, change the User Settings after parking the vehicle and moving the shift lever to P (Park) position. Quick guide (Help, if equipped) Press and hold the OK butto ...

Hyundai Sonata LF 2014-2019 Owners Manual: System setting and activation
System setting The driver can activate the AEB by placing the ignition switch to the ON position and by selecting 'User Settings', 'Driving Assist', and 'AEB (Automatic Braking System)'. The AEB deactivates, when the driver cancels the system setting. The warning light illuminates on the LCD dis ...