You are here:
Forums
Hybrid Vehicles
Toyota Prius
Toyota Prius - Traction Control vs Vehicle Stability Control

54 messages, Last post on Jul 19, 2009 at 3:17 PM
You are in the Toyota Prius Forum. Your Host is pf_flyer
|
Replying to: pathstar1 (Mar 12, 2007 2:37 pm)
|
|
|
Replying to: dtener (Mar 18, 2007 2:27 pm) Toyota had to set the traction control to very high sensitivity to protect MG2 (motor generator 2 - the one that moves the vehicle most of the time). If you spin the wheels on ice you could over-spin MG2 and destroy it, so TC protects it. Perhaps a little too aggressively. So far every posting of problems I've read has been on a low speed hill such as a driveway. So if you know you will experience snow or slippery conditions on hills, good snow and ice tires are a "really good idea" (tm). If you're wondering why it over-spins MG2, it's due to the design of the HSD. The rotation speed of the ICE (internal combustion engine), MG2, and wheels depends on the speed of the other two devices. If the engine is off or idling and you spin up the wheels you also spin up MG2 (a lot). This is also why you can't have the engine off above 43 MPH - it will over-spin MG2. There is a good visual example of this on Priuschat you can mess with written in flash, I think. |
|
Does anyone know where I can find a list of small sedans (2007 models) that have optional Vehicle Stability Control.
|
|
|
Replying to: mcdougals (Mar 25, 2007 3:54 pm) http://www.safercar.gov/pages/ESC-EquippedVehicles-2007.html |
|
| I'd love to hear more about Prius's performance on snow and ice.Often have to come home from work in snowstorms on a dirt road. I now drive a Subaru (with 4 snow tires in winter). It's a great car but not very fuel-efficient. Thanks for any comments. | |
|
Replying to: lalcott (Jun 07, 2007 2:27 pm) I do use snow tires on the Prius but not on the Outback. We always used the Outback when it's snowing or if we're going on a trip and snow was forecast. We just replaced the second and last Outback with a Hybrid Highlander and will hens forth use that whenever snow threatens. The rest of the time we use the Prius for short and long trips and the Highlander only around town if the Prius is already being used. (I think the Highlander was a mistake but we need a least one 4WD)
|
|
|
Replying to: stevegold (Jun 07, 2007 3:15 pm) I think the HH uses electric motors on the rear wheels, and that will not do for heavy useage (the motors overheat and simply stop working until they cool). However, for basic "occasional" AWD use it will drive those wheels. |
|
|
Replying to: lalcott (Jun 07, 2007 2:27 pm)
|
|
Thanks for comments. My last 4 miles home are uphill with a few steep grades - anyone else who's driven a Prius up hills in snow, please pass on your experience.
|
|
|
Replying to: dtener (Jun 07, 2007 5:20 pm) This has been reported as being fixed by a change to the CU software, allowing the wheels to spin a little bit. |
|
You are here:
Forums
Hybrid Vehicles
Toyota Prius
Toyota Prius - Traction Control vs Vehicle Stability Control
New? Join Now!
Forum Tools
Search Forums
Browse by Vehicle
2010 Toyota Prius



Browse by Board
Browse by Topic
Today's Chats