Hyundai Elantra: Charging System / Battery Sensor

Hyundai Elantra (CN7) 2021-2025 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.

Repair procedures

Removal

1.	Turn the ignition switch OFF.

Disconnect the battery (-) terminal (A).

Battery (-)terminal installation :

4.0 - 6.0 N.m (0.4 - 0.6 kgf.m, 3.0 - 4.4 lb-ft)

3.	Remove the battery. (Refer to Engine Electrical System - "Battery")

Remove the battery negative (-) cable after removing the bolts (A).

Battery sensor cable installation bolt :

10.8 - 13.7 N.m (1.1 - 1.4 kgf.m, 8.0 -10.1 lb-ft)

Installation

1.	Install in the reverse order of removal.

Battery

Description and operation Description1.The CMF (Closed Maintenance Free) battery is, as the name implies, totally maintenance free and has no removable battery cell caps...

Starting System

Other information:

Hyundai Elantra (CN7) 2021-2025 Service Manual: Shift Cable

Components and components location Components1. Shift lever knob & boots assembly2. Shift lever assembly3. Shift cable4. Manual control lever5. Shift cable retainer Repair procedures Removal1.Remove the air cleaner assembly and air duct.(Refer to Engine Mechnical System - "Air cleaner")2. Remove the battery and tray.(Refer to Engine Electrical System - "Battery")3.Remove the shift ..

Hyundai Elantra (CN7) 2021-2025 Service Manual: Special service tools

Special Service Tools Tool (Number and Name) Illustration Application RKE Battery Checker(09954-2P100)Measuring the RKE battery voltage...

Manual climate control system

To defog inside windshield

[A] : Type A, [B] : Type B

1. Select any fan speed except “0” position.

2. Select the desired temperature.

3. Select the or position.