Hyundai Tucson: 48V Battery System - Removal
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Electrical System / 48V Battery System / 48V Battery System - Removal
- Turn the ignition switch OFF and disconnect the battery (-) terminal.
- Remove the luggage board (A).

- Disconnect the BMS ECU extension wiring harness connector (A).

- Disconnect the inverter power cables (A).
Tightening torque : 26.5 - 32.4 N.m (2.7 - 3.3 kgf.m, 19.5 - 23.9 lb-ft)

- Disconnect the 12V (+) cable (A).
Tightening torque : 26.5 - 32.4 N.m (2.7 - 3.3 kgf.m, 19.5 - 23.9 lb-ft)

- Separate the inlet cooling duct (A) in the direction of the arrow.
Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

- Remove the outlet cooling duct (A).
Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

- Remove the 48V battery assembly (A).
Tightening torque : 19.6 - 29.4 N.m (2.0 - 3.0 kgf.m, 14.5 - 21.7 lb-ft)

Installation
- Install in the reverse order of removal.
Specifications

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48V Battery System - Repair procedures (Removal)
Turn ignition switch OFF and disconnect the battery (-) terminal.
Remove the 48V battery assembly.
(Refer to 48V Battery System - "Repair procedures")
Remove the battery cover (A) after loosening the mounting bolts.
Tightenin
BMS ECU Terminal and Input/Output Signal
Terminal Function
Connector B10-A
Connector B01-B
Removal
Turn ignition switch OFF and disconnect the battery (-) terminal.
Remove the 48V battery assembly.
(Refer to 48V Battery System - "Repair procedures")
Power Relay Assembly (PRA) - Removal
Removal
Remove the PRA assembly.
(Refer to 48V Battery System - "Power Relay Assembly (PRA)")
Remove the PRA cover.
Remove the mounting bolts and remove the power relay busbar (A).
Disconnect the main relay connector
SEE MORE:
Tire Rotation
Tire Wear
WARNING
Using tires and wheel other than the recommended sizes could cause
unusual handling characteristics
and poor vehicle control, resulting in a serious accident.
Measure the tread depth of the tires.
Tread depth limit : 1.6
Replacement and Air Bleeding
WARNING
Never remove the reservoir tank cap when the engine is hot. Serious
scalding could be caused by hot fluid under high
pressure escaping from the radiator.
WARNING
When pouring engine coolant, be sure to shut the relay box lid
and n
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Owner's Manual
- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual