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: SRS Control Module (SRSCM) Repair procedures
Removal 1. Remove the ignition key from the vehicle. 2. Disconnect the battery negative cable and wait for at least three minutes before beginning work. 3. Remove the floor console. (Refer to Body - "Floor Console Assembly") 4. Pull up the lock (C), of the SRSCM connector, then disc ...

Hyundai Sonata LF 2014-2019 Service Manual: Specifications
Specifications ItemsSpecificationsRated voltage5VLoadMax. 1mA (Relay load)Illuminations (LUX)501.42 ± 0.31V1002.63 ± 0.58V1503.84 ± 0.84V ...