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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

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