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Hyundai Tucson: 48V Battery System - Description

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. It consists of the engine, motor, 48V voltage battery and control modules.

In Engine supports the motor in case the vehicle needs more power (HEV Mode).

The Mild Hybrid Starter Generator (MHSG) not only drives the vehicle but also generates electric energy during regenerative braking for charging the 48 voltage battery.

MHEV Operation Mode and Power Flow

Component Location

Component Location

  1. Mild Hybrid Starter Generator (MHSG)
  2. 48V Battery
  3. Power Cable

48V Battery Assembly

  1. 48V Battery Assembly
  2. Power relay assembly
  3. Main Fuse
  4. Main relay
  5. Battery Module Assembly
  6. BMS & LDC Assembly
  7. Battery Cooling Fan

1. 48V Battery Assembly

2. Power relay assembly

2. Power relay assembly

3. Main Fuse

3. Main Fuse

4. Main Relay

4. Main Relay

5. Battery Module Assembly

5. Battery Module Assembly

6. BMS & LDC Assembly

6. BMS & LDC Assembly

7. Battery Cooling Fan

7. Battery Cooling Fan

48V Battery System - Removal

    READ NEXT:

     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

     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")

    SEE MORE:

     Driveshaft Assembly- Inspection

    Check the boot for water or foreign objects. Replace any defective parts. Installation The type can replace the wheel side joint boot WARNING When assembling, be careful not to let dust and foreign substances enter. Driveshaft join

     Blower unit assembly

    Components Location Blower unit assembly Components Blower unit assembly Intake actuator Intake duct case LH Intake seal Intake door(l) Intake door(2) Intake duct case RH Climate control actuator PWM blower module B

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