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Toyota recalling 800k Camry, Avalon and Venza models for AC issue

Toyota has announced plans to voluntarily recall 803,000 vehicles from model years 2012 and 2013, over concerns with the air conditioning condenser housing. The recall covers the Camry, Camry Hybrid, Avalon, Avalon Hybrid and Venza, although the exact split between affected models wasn't available.
According to Toyota, the condenser can leak onto an airbag control module, which in turn could cause a short circuit. In most cases, this will just lead to an airbag warning light, but in rarer instances, the airbags could fail to deploy or pop out of their own accord. There's also a concern over a loss of power steering if the airbag control module develops a short.
It's unclear if there have been any injuries or crashes relating to the defects. Toyota will begin informing owners of affected vehicles via first class mail, and will ask them to report to dealerships for recall work, involving the installation of a cover on the condenser housing.

Toyota finds 10% MPG improvement in hybrid PCU

Keeping up its from-all-angles approach to efficiency, Toyota has found yet another way to eke out up to ten percent more precious MPGs in its hybrid vehicles, this time electronically. The automaker has announced the development of new silicon carbide (SiC) power semiconductors for use in power control units, which it will begin testing on Japanese roads within the next year. The PCU using the silicon carbide compound offers less electrical resistance, which improves efficiency when passing current between the battery and electric motor. It also loses less power after shutting off, and can operate at a higher frequency. The net power loss of the new PCU is just one-tenth of the current silicone-only version (the latter accounting for 20 percent of total electrical power loss in today's hybrids). The result, so far, is a claimed five-percent improvement in fuel economy in test vehicles, with the potential of ten percent by the time the new SiC power semiconductor comes to market. Additionally, the carbide wafers allow for smaller a power module, coil and capacitor, thus allowing the entire PCU to be 80 percent smaller (see the side-by-side comparison in the accompanying photo, which you can click to enlarge). We've got a while to wait before we start to see the carbide technology to start making a real-world impact. Toyota aims to begin using the SiC units in 2020. By then, with improvements in the company's other key efficiency factors - engine technology and aerodynamics - cars like the Prius will likely see significant gains in fuel economy. Read more in the press release below. Toyota Develops 'Diamond-like' Computer Chips to Boost Hybrid Mileage May 20, 2014 Toyota City, Japan – Toyota is using one of the hardest materials in nature after diamonds to develop a semiconductor chip it hopes will improve the fuel efficiency of its hybrids, such as the Prius, by as much at 10 percent. The company and its partners announced today that they have developed a silicon carbide (SiC) power semiconductor for use in automotive power control units. Toyota plans to begin test-driving vehicles with the technology on public roads in Japan within a year. The chips, made from carbide - one of the hardest materials in nature, theoretically have superior characteristics such as one-tenth the electrical power loss and 10 times the drive frequency. Toyota said the chips would also allow it to reduce the size of current automotive power control units by 80 percent.

Toyota settles complaints with states Attorneys General for $29 million

Toyota announced today that it has reached a settlement with the Attorneys General of 29 states and one US territory that will resolve their complaints relating to recalls performed by the automaker from 2005-2010, including those related to sticky accelerators and malfunctioning floor mats that may have contributed to cases of unintended acceleration.
The settlement includes a payout of $29 million to be divided among the states and US territory, as well as a commitment from Toyota "to take steps to make vehicle information more easily accessible to consumers to help them operate their vehicles safely and make more informed choices." The settlement also has Toyota continuing its rapid-response service teams and quality field offices that were put in place shortly after the largest of the recalls from 2010, as well as a "range of customer care amenities for owners of vehicles subject to certain recalls," though the press release below isn't specific about what those amenities might be.
This settlement marks the second major step in the last few months that Toyota has taken to settle legal disputes surrounding the unintended acceleration recalls, the first being a $1.4 billion settlement to address economic loss suffered by owners of current and past Toyota vehicles that may have lost value on account of these recalls.