Hyundai Sonata: Charging System / Battery Sensor Description and Operation

Description
Vehicles have many control units that use more electricity. These units control their own system based on information from diverse sensors. It is important to have a stable power supply as there diverse sensors giving a variety of information. Battery sensor is mounted on battery (-) terminal. It transmits battery voltage, current, temperature information to ECM. ECM controls generating voltage by duty cycle based on these signals.

Battery Troubleshooting
Troubleshooting ...

Battery Sensor Repair procedures
Removal 1. Disconnect the battery negative (-) cable. 2. Disconnect the battery sensor connector (A). 3. Remove the battery negative (-) cable after removing the bolts (B). Installation ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Spark Plug Description and Operation
Description A spark plug is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture therein by means of an electric spark, while containing combustion pressure within the engine. A spar ...

Hyundai Sonata LF 2014-2019 Service Manual: AVN Keyboard Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Using a screwdriver or remover, separate the center fascia panel (A). 3. Remove the center fascia panel (A) after disconnect the connector. 4. Remove the AVN keyboard unit (A) after loosening the screws. Installation 1. ...

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