4th-Generation Toyota Prius Teardown: Photo gallery (132 parts)

Photographs of TNGA parts/components and a list of parts suppliers



 As a continuation of the series of reports on the teardown analysis of the 4th-generation Prius performed in January 2016 by the Hiroshima Industrial Promotion Organization, this report contains a list of suppliers and a collection of photographs of 132 parts and components, including those not introduced in earlier reports. Transaxle
Transaxle (motor generator)
Inverter circuitry
Inverter circuitry


Previous teardown reports:

4th-Generation Toyota Prius
(Part 1) Powertrain units miniaturized and lightened to achieve 40km/liter fuel economy (Feb. 2016)
(Part 2) New TNGA platform enhances dynamic performance; advanced aerodynamics and chassis technologies (Mar. 2016)
(Part 3) Body structure based on TNGA platform; technologies for sound insulation/absorption, and damping materials (Apr. 2016)


Daihatsu Move (Feb./Mar. 2015)
  (Part 1) Suppliers list, chassis, seats, and electrical components
  (Part 2) Turbo engine and CVT with 3-shaft gear train has lightweight and compact design
  (Part 3) Linear body structure optimizes space

VW Polo (Dec. 2014)
(Part 1) Engine compartment and driver's seat area
(Part 2) 1.2-liter TDI diesel engine and suspensions

Nissan Note (Sep. 2014)
 (Part 1) Major safety technology and advanced driver assistance systems
 (Part 2) Drive unit and supercharger

Honda Accord Hybrid (Feb. 2014)
 (Part 1) Sport Hybrid i-MMD PCU and vehicle chassis components
 (Part 2) SPORT HYBRID i-MMD Battery components and electric servo brake system
 (Part 3) SPORT HYBRID i-MMD drive unit

Honda Fit Hybrid (Dec. 2013)
 (Part 1) Battery components & brake system
 (Part 2) Engine and transmission

Toyota Aqua (Nov. 2012)
 (Part 1) Part suppliers and battery components
 (Part 2) Hybrid systems behind the 35.4km/liter (53 mpg city) car

Nissan Leaf
 (Part 1) Nissan Leaf teardown (Mar. 2012)
 (Part 2) main components disassembled (Sep. 2012)
 (Part 3) body cutaway (Nov. 2012)

List of main suppliers

Item Name Supplier
Engine Airflow sensor Hitachi Automotive Systems, Ltd.
Air cleaner Denso Corp.
Electric water pump Aisin Seiki Co., Ltd.
Throttle body air duct Toyoda Gosei Co., Ltd.
Lambda control sensor Denso Corp.
EGR cooler Maruyasu
EGR cooler control valve Aisan Industry Co., Ltd.
Crankshaft dynamic damper NOK
Damper with a torque limiter Aisin Seiki Co., Ltd.
Fuel injector Denso Corp.
Knock sensor Denso Corp.
Timing chain Tsubakimoto Chain Co.
Chain tensioner Tsubakimoto Chain Co.
Exhaust system Exhaust front tube + Center muffler Futaba Industrial Co., Ltd.
Center tube + rear muffler Futaba Industrial Co., Ltd.
Cooling Radiator condenser assembly Denso Corp.
Grille shutter Aisin Seiki Co., Ltd.
Hybrid system Transaxle Aisin Seiki Co., Ltd.
Drive motor (stator) Denso Corp.
Generator Toyota
Inverter Denso Corp.
DC-DC converter Toyota Industries Corp.
Lithium-ion battery Panasonic
High-voltage wiring harness (battery ~PCU) Sumitomo Wiring Systems, Ltd.,
Sumitomo Electric Industries, Ltd.
Service plug Yazaki Corp.
Hybrid control unit Denso Corp.
Chassis Front strut KYB
Rear shock absorber KYB
Front strut upper insulator Sumitomo Riko
Strut bearig Oiles Corp.
Front strut spring seat Sumitomo Riko
Front strut dust boot Toyoda Gosei Co., Ltd.
Front brake hose Toyoda Gosei Co., Ltd.
Front brake caliper Advics Co., Ltd.
Rear brake caliper Hitachi Automotive Systems, Ltd.
Steering gear JTEKT Corp.
Electric power steering column JTEKT Corp.
Rear suspension height sensor connecting rod THK
Tire Sumitomo Rubber Industries, Ltd.
Road wheel Asahi TEC Corp.
Body Windshield Asahi Glass Co., Ltd.
Back door glass Nippon Sheet Glass Co., Ltd.
Front door glass Asahi Glass Co., Ltd.
Rear door glass Asahi Glass Co., Ltd.
Rear door partition glass Nippon Sheet Glass Co., Ltd.
Fuel filler lid lock Aisin Seiki Co., Ltd.
Interior Front seatbelt Tokai Rika Co., Ltd.
Rear seatbelt Autoliv Inc.
Rear heater duct Inoac Corp.
Front seat Toyota Boshoku Corp.
Rear seat Toyota Boshoku Corp.
Safety and
driver assist
Driver airbag Autoliv Inc.
Passenger airbag inflator Nippon Kayaku Co., Ltd.
Airbag sensor Denso Corp.
Short range radar (for monitoring bling spots) Continental Automotive Corp.
Clearance warning ECU Aisin Seiki Co., Ltd.
Ultrasonic sensor Denso Corp.
Driving support ECU Denso Corp.
Millimeter-wave radar (for monitoring frontal safety) Denso Corp.
Single-lens camera (for monitoring frontal view) Denso Corp.
Electrical Immobilizer ECU Tokai Rika Co., Ltd.
CAN gateway Denso Corp.
Smart-key ECU Denso Corp.
Smart-key receiver (sensor) Denso Corp.
Fuse box Yazaki Corp.
Engine room wiring harness Yazaki Corp.
Main wiring harness Yazaki Corp.
Body wiring harness Sumitomo Wiring Systems, Ltd.,
Sumitomo Electric Industries, Ltd.
Instrument wiring harness Sumitomo Wiring Systems, Ltd.,
Sumitomo Electric Industries, Ltd.
Head-up display Yazaki Corp.
Combination meter Yazaki Corp.
Headlight Koito Manufacturing Co., Ltd.
Electric air compressor Toyota Industries Corp.
High-voltage wiring harness (compressor ~ PCU) Yazaki Corp.
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