Hyundai Sonata LF: Charging System / Battery Troubleshooting

Battery Repair procedures

Removal 1. Remove the air duct. (Refer to Engine Mechanical System - "Air Cleaner") 2. Disconnect the battery (-)terminal (A) and then (+)terminal (B)...

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...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures

Compession Pressure Inspection     If the there is lack of power, excessive oil consumption or poor fuel economy, measure the compression pressure. 1. Make sure the oil in the crankcase is of the correct viscosity and at the correct level and that the battery is correctly charged...

Hyundai Sonata LF 2014-2019 Service Manual: Driver Airbag (DAB) Module and Clock Spring Repair procedures

Removal 1. Disconnect the battery negative cable and wait for at least three minutes before beginning work. 2. Remove the driver airbag module from the steering wheel after pressing the snap fit pin stopper. 3. Remove the wiring fixing clip (C) and disconnect the horn connector (A)...