• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer

Electrical Engineering News and Products

Electronics Engineering Resources, Articles, Forums, Tear Down Videos and Technical Electronics How-To's

  • Products / Components
    • Analog ICs
    • Connectors
    • Microcontrollers
    • Power Electronics
    • Sensors
    • Test and Measurement
    • Wire / Cable
  • Applications
    • Automotive/Transportation
    • Industrial
    • IoT
    • Medical
    • Telecommunications
    • Wearables
    • Wireless
  • Resources
    • DesignFast
    • Digital Issues
    • Engineering Week
    • Oscilloscope Product Finder
    • Podcasts
    • Webinars / Digital Events
    • White Papers
    • Women in Engineering
  • Videos
    • Teschler’s Teardown Videos
    • EE Videos and Interviews
  • Learning Center
    • EE Classrooms
    • Design Guides
      • WiFi & the IOT Design Guide
      • Microcontrollers Design Guide
      • State of the Art Inductors Design Guide
      • Power Electronics & Programmable Power
    • FAQs
    • Ebooks / Tech Tips
  • EE Forums
    • EDABoard.com
    • Electro-Tech-Online.com
  • 5G

Toyota secretive on ‘black box’ data

March 5, 2010 By ECN Staff

(AP) — Toyota has for years blocked access to data stored in devices similar to airline “black boxes” that could explain crashes blamed on sudden unintended acceleration, according to an Associated Press review of lawsuits nationwide and interviews with auto crash experts.

The AP investigation found that Toyota has been inconsistent – and sometimes even contradictory – in revealing exactly what the devices record and don’t record, including critical data about whether the brake or accelerator pedals were depressed at the time of a crash.

By contrast, most other automakers routinely allow much more open access to information from their event data recorders, commonly known as EDRs.

AP also found that Toyota:

– Has frequently refused to provide key information sought by crash victims and survivors.

– Uses proprietary software in its EDRs. Until this week, there was only a single laptop in the U.S. containing the software needed to read the data following a crash.

– In some lawsuits, when pressed to provide recorder information Toyota either settled or provided printouts with the key columns blank.

Toyota’s “black box” information is emerging as a critical legal issue amid the recall of 8 million vehicles by the world’s largest automaker. The National Highway Traffic Safety Administration said this week that 52 people have died in crashes linked to accelerator problems, triggering an avalanche of lawsuits.

When Toyota was asked by the AP to explain what exactly its recorders do collect, a company statement said Thursday that the devices record data from five seconds before until two seconds after an air bag is deployed in a crash.

The statement said information is captured about vehicle speed, the accelerator’s angle, gear shift position, whether the seat belt was used and the angle of the driver’s seat.

There was no initial mention of brakes – a key point in the sudden acceleration problem. When AP went back to Toyota to ask specifically about brake information, Toyota responded that its EDRs do, in fact, record “data on the brake’s position and the antilock brake system.”

But that does not square with information obtained by attorneys in a deadly crash last year in Southlake, Texas, and in a 2004 accident in Indiana that killed an elderly woman.

In the Texas crash, where four people died when their 2008 Avalon ripped through a fence, hit a tree and flipped into an icy pond, an EDR readout obtained by police listed as “off” any information on acceleration or braking.

In the 2004 crash in Evansville, Ind., that killed 77-year-old Juanita Grossman, attorneys for her family say a Toyota technician traveled from the company’s U.S. headquarters in Torrance, Calif., to examine her 2003 Camry.

Before she died, the 5-foot-2, 125-pound woman told relatives she was practically standing with both feet on the brake pedal but could not stop the car from slamming into a building. Records confirm that emergency personnel found Grossman with both feet on the brake pedal.

A Toyota representative told the family’s attorneys there was “no sensor that would have preserved information regarding the accelerator and brake positions at the time of impact,” according to a summary of the case provided by Safety Research & Strategies Inc., a Rehoboth, Mass.-based company that does vehicle safety research for attorneys, engineers, government and others.

One attorney in the Texas case contends in court documents that Toyota may have deliberately stopped allowing its EDRs to collect critical information so the Japanese automaker would not be forced to reveal it in court cases.

“This goes directly to defendants’ notice of the problem and willingness to cover up the problem,” said E. Todd Tracy, who had been suing automakers for 20 years.

Randy Roberts, an attorney for the driver in that case, said he was surprised at how little information the Avalon’s EDR contained.

“When I found out the Toyota black box was so uninformative, I was shocked,” Roberts said.

Toyota refused comment Thursday on Tracy’s allegations because it is an ongoing legal matter, but said the company does share EDR information with government regulators.

“Because the EDR system is an experimental device and is neither intended, nor reliable, for accident reconstruction, Toyota’s policy is to download data only at the direction of law enforcement, NHTSA or a court order,” the Toyota statement said.

Last week, Toyota acknowledged it has only a single laptop available in the U.S. to download its data recorder information because it is still a prototype, despite being in use since 2001 in Toyota vehicles. Three other laptops capable of reading the devices were delivered this week to NHTSA for training on their use, Toyota said, and 150 more will be brought to the U.S. for commercial use by the end of April.

By contrast, acceptance and distribution of data recorder technology by other automakers is commonplace.

General Motors, for example, has licensed the auto parts maker Bosch to produce a device capable of downloading EDR data directly to a laptop computer, either from the scene of an accident or later. The device is available to law enforcement agencies or any other third party, spokesman Alan Adler said.

Spokesmen from Ford and Chrysler said their recorder data is just as accessible. “We put what you would call ‘open systems’ in our vehicles, which are readable by law enforcement or anyone who has a need to read that data,” Chrysler spokesman Mike Palese said.

Nissan also makes its EDR data readily available to third parties using a device called Consult, spokesman Colin Price said. The program allows access to a host of vehicle data, from diagnosing the cause of a check-engine light to downloading EDR data after a crash, he said.

However, Honda does not allow open access to its EDR data. Spokesman Ed Miller said the data is only readable by Honda and is made available only by court order.

In many cases, attorneys and crash experts say EDR data could help explain what happened in the moments before a crash by detailing the positions of the gas and brake pedals as well as the engine’s RPM.

“Had Toyota gotten on the stick and made this stuff available early on, I think they’d be in a better position than they are now,” said W.R. “Rusty” Haight, owner of a San Diego-based collision investigation company.

In congressional hearings on the recalls last week, U.S. Transportation Secretary Ray LaHood said Toyota’s EDR data cannot be read by a commercially available tool used readily by other automakers. “Toyota has a proprietary EDR, which is the system that only they can read,” LaHood said.

The AP review of lawsuits around the country found many in which Toyota was accused of refusing to reveal EDR and other data, and not just in sudden acceleration cases.

In Kentucky, to cite one example, a recent lawsuit filed by Dari Martin over a wreck involving a 2007 Prius sought information from Toyota to bolster his claim that the car’s seatbelt was defective. Toyota refused, contending there was no reliable way to validate the EDR data and that an engineer would have to travel from New Jersey or California at a cost of some $5,000 to retrieve it.

“There is simply no justifiable reason for Toyota not to disclose this information,” Martin’s lawyers said in a court filing.

Lawsuits in California and Colorado have accused Toyota of systemically withholding key documents and information in a wide variety of accident cases, but no judge or jury has found against the car company on those allegations.

Some crash experts say Toyota shouldn’t bear too much criticism for failing to capture large amounts or specific kinds of data, because EDR systems were initially built for air bag deployment and not necessarily to reconstruct wrecks. They also vary widely from vehicle model to model, said Haight, the San Diego collision expert.

“That doesn’t mean I’m hiding something or preventing you from getting something,” Haight said. “It simply means that, in the development of a car, other considerations took priority – nothing more.”

Filed Under: Automotive/Transportation, Components

Primary Sidebar

EE Training Center Classrooms

EE Classrooms

Featured Resources

  • EE World Online Learning Center
  • CUI Devices – CUI Insights Blog
  • EE Classroom: Power Delivery
  • EE Classroom: Building Automation
  • EE Classroom: Aerospace & Defense
  • EE Classroom: Grid Infrastructure
Search Millions of Parts from Thousands of Suppliers.

Search Now!
design fast globle

R&D World Podcasts

R&D 100 Episode 8
See More >

Current Digital Issue

June 2022 Special Edition: Test & Measurement Handbook

A frequency you can count on There are few constants in life, but what few there are might include death, taxes, and a U.S. grid frequency that doesn’t vary by more than ±0.5 Hz. However, the certainty of the grid frequency is coming into question, thanks to the rising percentage of renewable energy sources that…

Digital Edition Back Issues

Sponsored Content

New Enterprise Solutions for 112 Gbps PAM4 Applications in Development from I-PEX

Positioning in 5G NR – A look at the technology and related test aspects

Radar, NFC, UV Sensors, and Weather Kits are Some of the New RAKwireless Products for IoT

5G Connectors: Enabling the global 5G vision

Control EMI with I-PEX ZenShield™ Connectors

Speed-up time-to-tapeout with the Aprisa digital place-and-route system and Solido Characterization Suite

More Sponsored Content >>

RSS Current EDABoard.com discussions

  • How to reduce the ring and spike on VDS of MOSFET
  • Variable Frequency and Amplitude Oscillator Circuit
  • Simulation and PCB are not even similar
  • Op-amp simulation
  • Where is the location of the Buck Snubber Circuit?

RSS Current Electro-Tech-Online.com Discussions

  • How to power up two stereo audio amplifiers from a single source of power supply
  • Nokia 5110 HW in Oshonsoft
  • Drill speed controller fault
  • alternate of 80386/486 microprocessor
  • looking for resistor for my treadmill.

Oscilloscopes Product Finder

Footer

EE World Online

EE WORLD ONLINE NETWORK

  • 5G Technology World
  • Analog IC Tips
  • Battery Power Tips
  • Connector Tips
  • DesignFast
  • EDABoard Forums
  • Electro-Tech-Online Forums
  • Engineer's Garage
  • Microcontroller Tips
  • Power Electronic Tips
  • Sensor Tips
  • Test and Measurement Tips
  • Wire & Cable Tips

EE WORLD ONLINE

  • Subscribe to our newsletter
  • Lee's teardown videos
  • Advertise with us
  • Contact us
  • About Us
Follow us on TwitterAdd us on FacebookConnect with us on LinkedIn Follow us on YouTube Add us on Instagram

Copyright © 2022 · WTWH Media LLC and its licensors. All rights reserved.
The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of WTWH Media.

Privacy Policy