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Sedans Toyota Avalon Toyota Avalon 2005-
14780 messages, Last post on Dec 02, 2009 at 2:06 PM
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Replying to: rpfingsten (Feb 13, 2007 4:28 am) |
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Replying to: bobwiley (Feb 12, 2007 5:23 pm) I am not trying to say your car doesn't have a problem, but how do you "step" on the gas while rolling through a yield. Is it a quick "jab" maybe 1/3 way down, or a gentle "roll" of your foot to say 1/3 down? It does make a difference, the accelerator is so sensitive that the computer can get confused quite easily. For example, a quick stab at the pedal followed by an ever so slight reduction in pressure can make the car downshift and rev the engine then immediately cut back the revs. I really think this is what you are feeling. With my Av I had a slight learning curve with the scenario you mention (yield sign) I find the car is most responsive to slow even pressure of the gas pedal, rather than a immediate push to 1/3 or 1/2 open throttle. Of course if I need to merge in a hurry (quite common here in NJ) I just mash it to the floor and get an immediate downshift.
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Replying to: rpfingsten (Feb 13, 2007 4:28 am) Bob |
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Replying to: tjc78 (Feb 13, 2007 4:52 am) Bob
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Replying to: fin (Feb 12, 2007 5:50 pm) I have also noticed that in the situation that bobwiley describes, that when I accelerate after slowing to say 10 MPH, the transmission downshifts and the engine revs in away that I would not allow if I were driving a stick shift. This reving is very short in duration, the acceleration is smooth and prompt, so it is not a problem for me. I wonder if changes have been made in the software controlling the transmission in the 2007. I also have a 1997 Avalon that I still enjoy driving but in my opinion the 2007 is a quantum leap forward
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Replying to: blackdog4 (Feb 13, 2007 8:39 am) No, that's exactly what I thought at one time. You're losing the engine braking drag because that drag on a FWD vehicle can easily result in loss of control, directional control, if the roadbed happens to be slippery. You may notice that it also happens at higher speeds, the transaxle upshifts upon a FULL lift-throttle event. Look around, Google for: wwest "throttle lag" hesitation For more detail. Or start by reading the post I just added for the Suzuki SX4 thread.
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Replying to: wwest (Feb 13, 2007 11:44 am) |
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Replying to: wwest (Feb 13, 2007 12:12 am) |
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Replying to: bobwiley (Feb 13, 2007 7:33 am) This to me is "transmission slipping" for whatever reason you want to use. Worn out clutches act this way and poor computer selection for the shifting timing act this way.. Anyway it happens. I have used the manual shift a number of times until I found I was in 3rd gear doing 60 mph. ange
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Replying to: jlsexton (Feb 11, 2007 1:44 pm) There is way to know when you are close. I angled the camera so I could not see anymore ground and still had 12 inches before touching anything. The electronic box is designed for the Avalon navigation computer unit in the trunk. You disconnect two multiwire terminals and install the box terminals and then replace the Avalon terminals on top. The power source to the camera part comes from the back up wire. When the shift lever is placed in reverse, the back up light gets power and so does the box sending the camera signal to the factory navigation screen. When shifting to drive the normal navigation unit comes on. I had to run wires to fuse box under the dash for power and ground. I looked at the $100 wireless units. Some can be turned on all of the time or only come on when wired to the back up lights. I was afraid to get one because of the small angle viewed and poor picture quality. I did not want a blank screen mounted somewhere up front. Check the internet re back up cameras. There many out there. ange
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