Hyundai Sonata: Charging System / Battery Sensor Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Engine Electrical System / 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: General Safety Information and Caution
Precautions General Precautions Please read the following precautions carefully before performing the airbag system service. Observe the instructions described in this manual, or the airbags could accidentally deploy and cause damage or injuries. • Except when performing electrical ins ...

Hyundai Sonata LF 2014-2019 Owners Manual: ECO mode
When the Drive Mode is set to ECO mode, the engine and transmission control logic are changed to maximize fuel efficiency. When the ECO mode is selected by pressing the DRIVE MODE button, the ECO indicator will illuminate. If the vehicle is set to ECO mode, when the engine is turned OFF and r ...