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Hyundai Tucson: 48V Battery System

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Electrical System / 48V Battery System

48V Battery System - Description

Description The Mild Hybrid Electric Vehicle (MHEV) uses hybrid power source (Engine, MHSG), so its fuel efficiency is relatively high and exhaust emission is very small compared to the traditional vehicle which uses only engine as power source

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

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

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Programming the max. T/gate opening (Garage Position)

The customizable Programmed Basic Position is set equal to the Maximum Basic Position after the Learned Mechanical End Position is learned. The customer can change the Programmed Basic Position to any new position between the Maximum

Charging System - Cleaning

Make sure that the ignition switch and all accessories are in the OFF position. Disconnect the battery cables (negative first). Remove the battery from the vehicle. WARNING Care should be taken in the event the battery case is cracked o