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Hyundai Tucson: 48V Battery System

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

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 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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 Water Inlet Fitting

Remove the engine room under cover. (Refer to Engine and Transaxle Assembly - "Engine Room Under Cover") Drain the coolant. (Refer to Cooling System - "Coolant") Disconnect the radiator lower hose (A). Disconn

 Front wheel speed sensor/ Front wheel speed sensor connector

Components Front wheel speed sensor Front wheel speed sensor connector Removal Loosen the wheel nuts slightly. Raise the vehicle, and make sure it is securely supported. Remove the front wheel and tire (A) from the front hub.

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