
1.Turn the ignition switch OFF and disconnect the battery (-) terminal.
2.Remove the battery.(Refer to Charging System - "Battery")
3.Disconnect the battery sensor connector (A).

4. Remove the battery sensor (A).
Tightening torque :26.5 - 32.4 N.m (2.7 - 3.3 kgf.m, 19.5 - 23.9 Ib-ft)

1. Install in the reverse order of removal.
• For the vehicle equipped with a battery sensor, be careful not to damage the battery sensor when the battery is replaced or recharged.
1)When replacing the battery, the new battery should be of the same type, capacity and brand with the previous one. If a battery of a different type is replaced, the battery sensor may recognize the battery to be abnormal.
2)When installing the ground cable on the negative post of battery, tighten the clamp to the specified torque. An excessive tightening can damage the PCB internal circuit and the battery terminal.
3)When recharging the battery, ground the negative terminal of the booster battery to the vehicle body.
1.Turn the Iginition switch ON and OFF.
2.Park the vehicle for about 4 hours with the hood and all doors closed.
Battery
DC DC converterHyundai Tucson (NX4) 2022-2026 Service Manual: Schematic Diagrams
- Schematic Diagrams
Harness Connector
CONNECTOR NAMEPIN NUMBERNAMEFUNCTION
BATTERY1B +BATTERY +
2GNDBATTERY -
TORQUE1TORQUE2TORQUE1_SUB
&2ANGLE2PWM2
ANGLE3TORQUE4TORQUE2_SUB
SENSOR4POWER2SENSOR POWER2
5TORQUE3TORQUE2_MAIN
6POWER1SENSOR POWER1
7GND1GND1
8TORQUE1TORQUE1_MAIN
...
Hyundai Tucson (NX4) 2022-2026 Owner's Manual: Trailer Towing
Towing a trailer requires experience. The
combination of the vehicle and trailer
itself is not as responsive as the vehicle
by itself. Towing a trailer also requires
additional equipment and adequate
planning before a trip. Plan your trip
according to the speed limits for towing
a trai ...