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Post by philip42h on Feb 22, 2023 19:28:26 GMT
That rings a bell ... it does sound a bit like this recall for the brake assist system. It could be another instance of this issue. Equally, it could be a 'one off' faulty part - stuff like that does happen. Either way, it shouldn't happen again - and if it did, the failing part would be covered by Toyota Relax warranty. But it is really weird / unfortunate that your daughter seems to have encountered this same issue twice ...  Those are US recalls for the Prius, RAV4 and several others Philip, but not the Yaris or Yaris X. There’s no indication that the same kit is used on the Yaris. If you check DVLA there’s no recalls registered for the RAV, for example so it could be that US specs are subtly different. Also Paul doesn’t mention any warning lights coming up on the dashboard which seems to indicate an occurrence of the fault on the US vehicles.. I said only "it does sound a bit like" ... the point being that Toyota have had [rare] issues in this space in the past ...  |
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Post by Paulus17 on Feb 23, 2023 9:34:51 GMT
So we went and picked the Cross up yesterday and i had a good chat with the service manager about what they had done.
Even though nothing was showing any faults anywhere on the puters or dash the obvious thing to do was the ABS they said and that seems to have made all the difference now with the brakes.
The other issue with the lag on pulling off they haven't sorted as they can't see what is or was causing this but all was ok on the two test drives, so could it be linked to the ABS??
Our daughter says there is no power/acceleration at all when this happens when she puts the pedal down, then it will just kick in.
The car and all new Toyotas does have auto braking and it can't be switched off we were told??
The car drove home with no issues and daughter said the brakes feel a lot better, so for now she is happy with it.
Gotta say the service at Listers Toyota in Stratford has been very good, just a pity it's not more local.
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Post by firemac on Feb 23, 2023 10:32:28 GMT
So we went and picked the Cross up yesterday and i had a good chat with the service manager about what they had done. Even though nothing was showing any faults anywhere on the puters or dash the obvious thing to do was the ABS they said and that seems to have made all the difference now with the brakes. The other issue with the lag on pulling off they haven't sorted as they can't see what is or was causing this but all was ok on the two test drives, so could it be linked to the ABS?? Our daughter says there is no power/acceleration at all when this happens when she puts the pedal down, then it will just kick in. The car and all new Toyotas does have auto braking and it can't be switched off we were told?? The car drove home with no issues and daughter said the brakes feel a lot better, so for now she is happy with it. Gotta say the service at Listers Toyota in Stratford has been very good, just a pity it's not more local. Trust it’s all okay now, Paul. Good luck. 👍👍 |
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Post by philip42h on Feb 23, 2023 11:01:46 GMT
... The car and all new Toyotas does have auto braking and it can't be switched off we were told?? The braking systems on modern Toyota hybrid are rather complicated. I don't guarantee to get everything completely correct but here goes ... First, when the driver applies the brakes more gently the system uses regenerative braking to slow the car down - i.e. it allows the car the drive the electric motor(s) to generate electricity to store in the traction battery. Only when the driver applies the brakes more firmly does it add friction braking - i.e. applies the pads to the discs. Assistance for the friction braking comes via an electric pump rather than a vacuum servo or other form of drive from the engine - because the internal combustion engine is unlikely to be running at all under these conditions. And then there are [at least] three driver assist functions associated with the brakes: - Auto Parking Brake - there is no handbrake lever; rather the parking brake is applied automatically when the driver puts the car into Park and released when the driver moves the lever out of Park again. The driver can also apply the parking brake manually in an emergency.
- Auto Brake Hold - this is an optional aid that causes the brakes to remain on after the car has come to rest even after the driver has released the brake pedal; this means that the car will not immediately creep forward as the brake pedal is release and the driver will need to depress the accelerator pedal to make progress again. (I don't use this feature - I prefer to keep my foot on the brake pedal to stay put, and for the car to creep forward as soon as I release it, but I got used to driving automatics that behave this way quite a long time ago.)
- Emergency Brake Assist - if the car detects that you are about to hit something it will scream loudly and apply the brakes for you. My wife's MY21C-HR has this feature which means that she is unable to park within a couple of inches of the garage wall (or, indeed, run into it); my MY20 RAV4 screams loudly but does not automatically apply the brakes to that I can park within an inch of the garage wall and, indeed, run into it!
The system is much easier to use than to explain, but does leave rather more scope than an old fashioned traditional car for strange things to happen ... |
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Post by firemac on Feb 23, 2023 11:40:22 GMT
... The car and all new Toyotas does have auto braking and it can't be switched off we were told?? The braking systems on modern Toyota hybrid are rather complicated. I don't guarantee to get everything completely correct but here goes ... First, when the driver applies the brakes more gently the system uses regenerative braking to slow the car down - i.e. it allows the car the drive the electric motor(s) to generate electricity to store in the traction battery. Only when the driver applies the brakes more firmly does it add friction braking - i.e. applies the pads to the discs. Assistance for the friction braking comes via an electric pump rather than a vacuum servo or other form of drive from the engine - because the internal combustion engine is unlikely to be running at all under these conditions. And then there are [at least] three driver assist functions associated with the brakes: - Auto Parking Brake - there is no handbrake lever; rather the parking brake is applied automatically when the driver puts the car into Park and released when the driver moves the lever out of Park again. The driver can also apply the parking brake manually in an emergency.
- Auto Brake Hold - this is an optional aid that causes the brakes to remain on after the car has come to rest even after the driver has released the brake pedal; this means that the car will not immediately creep forward as the brake pedal is release and the driver will need to depress the accelerator pedal to make progress again. (I don't use this feature - I prefer to keep my foot on the brake pedal to stay put, and for the car to creep forward as soon as I release it, but I got used to driving automatics that behave this way quite a long time ago.)
- Emergency Brake Assist - if the car detects that you are about to hit something it will scream loudly and apply the brakes for you. My wife's MY21C-HR has this feature which means that she is unable to park within a couple of inches of the garage wall (or, indeed, run into it); my MY20 RAV4 screams loudly but does not automatically apply the brakes to that I can park within an inch of the garage wall and, indeed, run into it!
The system is much easier to use than to explain, but does leave rather more scope than an old fashioned traditional car
for strange things to happen ... Good explanation, Philip.👍 |
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Post by Paulus17 on Feb 24, 2023 12:45:37 GMT
So we went and picked the Cross up yesterday and i had a good chat with the service manager about what they had done. Even though nothing was showing any faults anywhere on the puters or dash the obvious thing to do was the ABS they said and that seems to have made all the difference now with the brakes. The other issue with the lag on pulling off they haven't sorted as they can't see what is or was causing this but all was ok on the two test drives, so could it be linked to the ABS?? Our daughter says there is no power/acceleration at all when this happens when she puts the pedal down, then it will just kick in. The car and all new Toyotas does have auto braking and it can't be switched off we were told?? The car drove home with no issues and daughter said the brakes feel a lot better, so for now she is happy with it. Gotta say the service at Listers Toyota in Stratford has been very good, just a pity it's not more local. Trust it’s all okay now, Paul. Good luck. 👍👍 Hope so Jim, she seems happier now with the brakes :TU: |
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Post by Paulus17 on Feb 24, 2023 12:54:24 GMT
... The car and all new Toyotas does have auto braking and it can't be switched off we were told?? The braking systems on modern Toyota hybrid are rather complicated. I don't guarantee to get everything completely correct but here goes ... First, when the driver applies the brakes more gently the system uses regenerative braking to slow the car down - i.e. it allows the car the drive the electric motor(s) to generate electricity to store in the traction battery. Only when the driver applies the brakes more firmly does it add friction braking - i.e. applies the pads to the discs. Assistance for the friction braking comes via an electric pump rather than a vacuum servo or other form of drive from the engine - because the internal combustion engine is unlikely to be running at all under these conditions. And then there are [at least] three driver assist functions associated with the brakes: - Auto Parking Brake - there is no handbrake lever; rather the parking brake is applied automatically when the driver puts the car into Park and released when the driver moves the lever out of Park again. The driver can also apply the parking brake manually in an emergency.
- Auto Brake Hold - this is an optional aid that causes the brakes to remain on after the car has come to rest even after the driver has released the brake pedal; this means that the car will not immediately creep forward as the brake pedal is release and the driver will need to depress the accelerator pedal to make progress again. (I don't use this feature - I prefer to keep my foot on the brake pedal to stay put, and for the car to creep forward as soon as I release it, but I got used to driving automatics that behave this way quite a long time ago.)
- Emergency Brake Assist - if the car detects that you are about to hit something it will scream loudly and apply the brakes for you. My wife's MY21C-HR has this feature which means that she is unable to park within a couple of inches of the garage wall (or, indeed, run into it); my MY20 RAV4 screams loudly but does not automatically apply the brakes to that I can park within an inch of the garage wall and, indeed, run into it!
The system is much easier to use than to explain, but does leave rather more scope than an old fashioned traditional car for strange things to happen ...  Thanks Philip for trying to explain :TU: So there is plenty of help with the braking but she was saying she felt the car wasn't braking enough and the service manager said he felt the same with it until they changed the ABS pump so summat must've been wrong with the braking system?? |
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