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: Oil Pump Repair procedures
Removal and Installation 1. Remove the timing chain cover. (Refer to Timing System - "Timing Chain Cover") 2. Remove the pump cover (A). Tightening torque : 8.8 ~ 13.7N.m (0.9 ~ 1.4kgf.m, 6.5 ~ 10.1 lb-ft) 3. Remove the inner rotor (B) and outer rotor (C). 4. Install in the re ...

Hyundai Sonata LF 2014-2019 Service Manual: Stop Lamp Switch Repair procedures
Adjustment 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the lower crash pad. (Refer to Body - "Crash Pad") 3. Remove the knee airbag. (Refer to Rstraint - "Air Bag Module") 4. Confirm the gap between stop lamp switch and bracket. Stop lamp ...