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Market & Tech Reports2012-11-30Clean view

Toyota Aqua (Prius c) teardown: Part 2

Hybrid systems behind the 35.4km/liter (53 mpg city) car

AquaAir CleanerExhaust SystemTraction MotorPCUTeardownAutomotiveSuppliersWorldwide OEM PlantsStatisticsProductionSales

Summary

 Disassembly of Toyota's New Aqua Hybrid (dubbed "Prius c" in the U.S.) was organized for public viewing by the Saitama Automotive Industry Support Center. The key part suppliers and battery components of the Toyota Aqua were posted in the previous report.


Previous report:
"Toyota Aqua (Prius c) teardown: Part 1"


 Reported below (Part 2) are the drive unit consisting of the engine and hybrid transaxle, the power control unit (PCU) affixed with a boost converter*, and the associated system functions of the Toyota Aqua.


* The boost converter is designed to step up the 144VDC input voltage to up to 520VDC; the DC-DC converter is designed to reduce high DC voltage to low DC voltage (12V).
Cutaway model of the drive unit that was exhibited
at the Tokyo Motor Show 2011
* Click on the photo for a larger image.


Related reports:
"Nissan Leaf teardown" 1 (posted in March 2012), 2 (posted in September 2012), 3 (posted in November 2012)

Local Reconstruction Note

This article has been expanded from the visible local mirror text, headings, tags, image captions, tables, and related local article titles. It is presented as a reconstructed reading version, not as a hidden original document.

Toyota hybrid system configuration (THS II)

The source outline identifies this section as part of “Toyota Aqua (Prius c) teardown: Part 2”. Based on the available local metadata, this section should be read through the lens of Aqua, Air Cleaner, Exhaust System, Traction Motor, PCU, Teardown and the visible introduction, figures, captions, and tables.

Engine room before disassembly

The source outline identifies this section as part of “Toyota Aqua (Prius c) teardown: Part 2”. Based on the available local metadata, this section should be read through the lens of Aqua, Air Cleaner, Exhaust System, Traction Motor, PCU, Teardown and the visible introduction, figures, captions, and tables.

Power control unit (PCU) with a boost converter

The source outline identifies this section as part of “Toyota Aqua (Prius c) teardown: Part 2”. Based on the available local metadata, this section should be read through the lens of Aqua, Air Cleaner, Exhaust System, Traction Motor, PCU, Teardown and the visible introduction, figures, captions, and tables.

Gear train disassembly

The source outline identifies this section as part of “Toyota Aqua (Prius c) teardown: Part 2”. Based on the available local metadata, this section should be read through the lens of Aqua, Air Cleaner, Exhaust System, Traction Motor, PCU, Teardown and the visible introduction, figures, captions, and tables.

Related Local Signals

Nearby records in the local archive include Taipei AMPA 2026: Foxconn’s EV Technology; Smart Energy Week 2026: Batteries and Charging; Electrified Vehicle (xEV) Sales Monthly Report (March 2026); Geely i-HEV Intelligent Hybrid Technology Presentation. These titles can be used as adjacent evidence when comparing suppliers, technologies, markets, and reporting periods.