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  1.  Home
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  5.  Toyota bZ4X 2022MY (EU)
Toyota bZ4X 2022MY (EU)

Key Features

  • The bZ4X is Toyota’s first battery electric vehicle based on the e-TNGA platform which was jointly developed with Subaru.
  • Depending on the market and powertrain type, different battery pack variants are installed.
    • 71.4 kWh* (assumed supplier: Prime Planet Energy & Solutions)
    • 72.8 kWh (assumed supplier: CATL)
  • The electric drive units (e-motor, inverter & gearbox) for the vehicle are developed and produced by BluE Nexus, a joint venture by AISIN and DENSO.
    • Front-wheel drive: 1 x 150 kW
    • All-wheel drive: 2 x 80 kW*
  • On-board charger, 12 V DC/DC converter and other HV functions are combined in an electricity supply unit provided by DENSO.

*: Covered in the FEV benchmarking program

HV Battery

  • Assumed cell supplier is Prime Planet Energy & Solutions (PPES), a joint venture between Panasonic and Toyota.
  • In total 96 prismatic cells are equally distributed among 4 battery modules and connected in series to deliver the nominal voltage level of 355 volts.
  • The battery cells are liquid cooled (water-glycol mixture) using a separate cooling plate.
  • Main housing components are made of steel sheet metal (main housing & cover) and aluminum (extruded side profiles & underbody protection plate).
Download Sample Report

Front & Rear EDU (Electric Drive Unit)

  • The electric drive units (EDUs) were developed by BluE Nexus, a joint venture of Aisin and Denso.
  • Each EDU includes:
    • Integrated inverter using Denso semiconductors
    • Oil-cooled PMSM motor with hairpin windings
    • 1-speed reducer gearbox
  • To realize economies of scale, several identical parts are used for front and rear EDU.
  • A park lock is included in the front EDU, park lock gear and intermediate gear are realized as one component.
Download Sample Report

Electricity Supply Unit (ESU)

  • The Toyota bZ4X is equipped with an Electricity Supply Unit (ESU) provided by Denso that combines several power electronics functions:
    • Power distribution to the electric drive units, HV battery, cabin heater and A/C compressor
    • 12 V DC/DC converter
    • On-board charger
  • Two cast housings are used to integrate the functions:
    Power distribution in the upper housing, DC/DC converter & on-board charger in the lower housing
  • Liquid cooling (water glycol mixture) is only applied to the components located in the lower housing.

Benchmarking Report Overview

The following reports are available:

  • M1.1 – Level-1 Benchmark
    Level-1 benchmark delivers a first vehicle overview and comparison of key performance indicators within FEV scatter bands.
  • M2.1 – Energy Consumption
    Investigate in detail vehicle energy consumption on legislative cycles installing a comprehensive sensor instrumentation.
  • M2.2 – Control Strategy
    Capture detailed measurement data during driving cycle and critical mission tests and analyze vehicle control strategy.
  • M2.4 – Charging Performance
    Equip an air-conditioned chassis Dyn. with a high-power DC charger to test the charging performance under different temperature conditions.
  • M3.11 – Design Benchmark HV Battery
  • M3.12 – Design Benchmark EDU (e-Axle)
  • M3.13 – Design Benchmark Electronics (OBC & DCDC)
  • M3.21 – Cost Benchmark HV Battery (sold as a set with M3.11 – Design Benchmark HV Battery)

For further details including content and price, please contact:

MarkLines Co., Ltd., Consulting Services Department
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