Hyundai Elantra: Charging System / Battery Sensor Description and Operation

Hyundai Elantra AD (2016-2020) 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 Elantra AD (2016-2020) Service Manual: Battery Repair procedures
Removal Battery 1. Turn the ignition switch OFF. 2. Disconnect the battery (-) terminal (A). 3. Remove the battery (+) terminal (B). 4. Remove the battery mouting bracket (A). 5. Remove the battery insulation pad after removing the battery (B). Battery tray 1. Remove ...

Hyundai Elantra AD (2016-2020) Service Manual: Blower Resistor (Manual) Repair procedures
Inspection 1. Measure the resistance between the terminals. 2. The measured resistance is not within specification, the blower resistor must be replaced. (After removing the resistor) Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad center panel. ...