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Hyundai Tucson: BMS ECU Terminal and Input/Output Signal

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Electrical System / 48V Battery System / BMS ECU Terminal and Input/Output Signal

Terminal Function

Terminal Function

Connector B10-A

Connector B01-B

Connector B01-B

Removal

Removal

  1. Turn ignition switch OFF and disconnect the battery (-) terminal.
  2. Remove the 48V battery assembly.

(Refer to 48V Battery System - "Repair procedures")

  1. Remove the battery cover (A) after loosening the mounting bolts.

Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

  1. Remove the terminal capacitor (A) after loosening the mounting bolts.

Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

  1. Remove the mounting nuts and remove the battery module (-) busbar (A).

Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

  1. Remove the mounting nuts and remove the battery module (+) busbar (A).

Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

  1. Remove the BMS wiring harness terminal after loosening the mounting bolts (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 case assembly after loosening the mounting bolts (A).

Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

  1. Disconnect the BMS & LDC connectors (A).

  1. Remove the BMS & LDC assembly.

Installation

Installation

  1. Install in the reverse order of removal.

Description

Mounted in the power relay assembly (RPA), the main fuse protects the high voltage battery and high voltage circuits from overcurrent.

Specifications

Removal

Removal

  1. Turn the ignition switch OFF and disconnect the battery (-) terminal.
  2. Remove the battery cover (A) after loosening the mounting bolts.

Tightening torque : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

  1. Remove the mounting nuts and remove the main fuse (A).

Tightening torque : 7.5 - 10.5 N.m (0.76 - 1.07 kgf.m, 5.5 - 7.7 lb-ft)

Installation

Installation

  1. Install in the reverse order of removal.

Specifications

Power Relay Assembly (PRA) - Removal

    READ NEXT:

     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

     Battery Pack Assembly Inlet Duct/ Battery Pack Assembly Outlet Duct

    Removal and Installation Battery Pack Assembly Inlet Duct Turn the ignition switch OFF and disconnect the battery (-) terminal. Remove the luggage board (A). Separate the inlet cooling duct (A) in the direction of the arrow. Tigh

     Battery Module Inlet Duct

    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. Tightening

    SEE MORE:

     Ignition switch

    WARNING To reduce the risk of SERIOUS INJURY or DEATH, take the following precautions: NEVER allow children or any person who is unfamiliar with the vehicle to touch the ignition switch or related parts. Unexpected and sudden vehicle mo

     Front Brake Pad

    Loosen the wheel nuts slightly. Raise the vehicle, and make sure it is securely supported. Remove the front wheel and tire (A) from front hub WARNING Be careful not to damage the hub bolts when removing the front wheel and tire (A).

    Information