Hyundai Sonata: 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). 3. Remove the TCM. (Refer to Autom ...

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 s ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
Replacement     • Put on gloves to protect your hands.     • When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage. • Ta ...

Hyundai Sonata LF 2014-2019 Service Manual: Curtain Airbag (CAB) Module Repair procedures
Removal 1. Disconnect the battery negative cable and wait for at least 3 minutes before beginning work. 2. Remove the roof trim. (Refer to Body - "Roof Trim Assembly") 3. Disconnect the curtain airbag harness connector. 4. After loosening the mounting bolts and nuts remove the curta ...