Toyota Yaris Electric Brakes Problems

9 Май 2014 | Author: | Комментарии к записи Toyota Yaris Electric Brakes Problems отключены
Toyota Yaris Electric Cars

Electric Brakes Problems of Toyota Yaris

Crash was involved with the Toyota Yaris h/b. I was driving my 2009 Toyota Yaris (CA. 30k miles) home from work under normal road conditions. As I approached a red light, I was alarmed to find that the brakes were compromised and the braking power was reduced. I had to swerve onto the shoulder to avoid hitting the back end of the car in front of me.

At this point, I was only 2 miles from home and decided to proceed carefully. As I was turning off a main road and into my neighborhood, the brakes completely failed, and I was not able to complete the turn. The car careened off the road, over the curb, up a small embankment, and smashed head-on into a stone wall. The airbag deployed, and the front end sustained considerable damage.

The car will most likely be totaled. Thankfully, I was not injured, but I shudder to think at what the outcome could have been under different circumstances. The car had no known mechanical problems or accidents prior to this event, was serviced regularly, and driven responsibly. I consider this to be a serious problem that needs to be resolved. It was Feb.

23, 2011 when this electric brakes issue occurred.

The vehicle identification number (VIN) of the car was JTDBT923X7_. This is more for info than a complaint. My brake service light and abs service stays on my 2007 Toyota Yaris. With all the Toyota recalls this model is not on the recall list. I took it to my dealer to get repaired.

They analyzed the problem and said a wire going to my brake had shorted out and causing the problem. I was told it was ok to drive and use the brakes. They had to order the parts to repair in a couple of days. I thought that I would let you know of my problem which may not be related at all with the other Toyota recall problems, but I don’t really know.

This problem occurred on Tuesday, February 9, 2010.

The vehicle involved is a 2007 Toyota Yaris. My abs and brake lights came on at the same time on my 2007 Yaris sedan. The manual states to stop driving the car and contact the dealer immediately. The car is a daily commute car with 75,000 miles at the time. The problem was an internal failure of the right rear wheel speed sensor.

The dealer replaced the sensor (part number 42450-52060 / hub brg assy r), and cleaned corrosion from the wiring harness where it connects to the speed sensor. The total repair cost was over $650. The amount of corrosion on a car just over 2 years old on the rear abs wheel speed sensors shows a potential design flaw in this part and how it is attached on the Yaris vehicle line.


This failure disables the abs system and causes erratic operation. On one occasion on the way to the dealer while the abs light was off I had a brake anomaly. I applied the brakes at a parking lot stop sign at slow speed (

5mph) and the abs kicked in and I couldn’t stop. The weather and street was dry. It took more than 25ft to stop! the corrosion at this connection is causing intermittent operation of the abs system which is a safety concern. It was Jan.

9, 2009 when this electric brakes issue occurred.

The vehicle having this issue was a 2007 Toyota Yaris. Vehicle identification number (VIN): JTDBT92347_. Thirteen months have passed and now I have a failure of the left rear wheel speed sensor to match the failed right rear wheel speed sensor that was replaced.

The repair action will be to replace the sensor and wiring harness. Due to excessive corrosion, the dealer is recommending replacement of both the left and right rear wheel speed sensor wiring. This will be the third rear wheel speed sensor failure on two Yaris that I have had to deal with in 14 months. The cold weather and salt used on the roads during a snowy winter appear to wreak havoc on the connection between the wiring harness and the rear wheel speed sensors on the Yaris sedans. A little internet research will lead you to the conclusion that this is a very common problem in canada or anywhere where salt is used on the roads in winter.

Since this problem does not present itself on the corolla in the same way, then there must be a design issue on the Yaris. A proper water/weather tight connection between the wiring harness and the rear wheel speed sensors would solve this issue. This is a safety issue as the intermittent connection causes erratic operation (if any) of the abs on these models.

I believe there is a TSB released on this subject, but no recall. Consumers (me) are footing the bill for this defect. Three times and counting.

It was 02/13/2010 when this electric brakes issue happened.

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