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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

  1. Turn the ignition switch OFF and disconnect the battery (-) terminal.
  2. Remove the luggage board (A).

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

  1. 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)

  1. 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)

  1. 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)

  1. 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)

  1. 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

Installation

  1. Install in the reverse order of removal.

Specifications

48V Battery System -  Repair procedures (Removal)

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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

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