Hyundai Sonata: Engine Control System / Boost Pressure Sensor (BPS) Repair procedures

Inspection
1.
Connect a GDS on the Data Link Connector (DLC).
2.
Measure the output voltage of the BPS at idle and IG ON.

Specification: Refer to "Specification"

Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Disconnect the boost pressure sensor connector (A).
3.
Remove the installation bolt (B), and then remove the sensor.

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.

Boost pressure sensor installation bolt:
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

Boost Pressure Sensor (BPS) Schematic Diagrams
Circuit Diagram ...

Engine Coolant Temperature Sensor (ECTS) Description and Operation
Description Engine Coolant Temperature Sensor (ECTS) is located in the engine coolant passage of the cylinder head for detecting the engine coolant temperature. The ECTS uses a thermistor that ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Cylinder Head Repair procedures
Removal Engine removal is not required for this procedure.     • Use fender covers to avoid damaging painted surfaces. • To avoid damaging the cylinder head, wait until the engine coolant temperature drops below normal temperature before removing it. • W ...

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Failure Diagnosis 1. In principle, ESP and TCS controls are prohibited in case of ABS failure. 2. When ESP or TCS fails, only the failed system control is prohibited. 3. However, when the solenoid valve relay should be turned off in case of ESP failure, refer to the ABS fail-safe. 4. ...

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