Hyundai Sonata: Engine Control System / Rail Pressure Sensor (RPS) Schematic Diagrams

Circuit Diagram

Rail Pressure Sensor (RPS) Troubleshooting
Signal Waveform ...

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. ConditionOutput Voltage (V)Idle Approx. 1.21, ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Thermostat Repair procedures
Removal     Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. 1. Drain engine coolant so that its level would be under the thermostat height. 2. Remove the radiator lower hose. (Refer to Cooling System - "Radiator Hose ...

Hyundai Sonata LF 2014-2019 Service Manual: Auto Head Lamp Leveling Unit Repair procedures
Inspection 1. Ignition "ON". 2. Turn on the head lamp switch. 3. Check for operation. If the aim of the head lamps changes smoothly when the head lamp leveling switch is turned. 4. If the operation does not work well, inspect the connector and terminals to be sure they are all making ...

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