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1st Generation (1995-1999) Specific discussion of the first generation Toyota Avalon

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Old 06-27-2005, 07:53 PM   #1 (permalink)
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Transmission Problem 97 Avalon

Hello everyone. I'm new to ToyotaNation, and would like your help. About to pull my hair out with this problem. We own a 97 Avalon....the best car we've ever owned until now. Never had the first minutes problem with this car until now. About a month ago the "check engine" light came on and I had it read. P0773 - Shift Solenoid E - Electrical. So, I called my Toyota mechanic who referred me to a local transmission shop which I took it to. They ran diagnostics and did what they called a soft overhaul of the transmission, including replacing the solenoids and re-doing anything inside that appeared to be worn - at the price of $1600 bucks. By the way, it shifted flawlessly before and during all this, and still does!! Well, I thought after I got it out that it was fixed for sure. The light came on again a few days after....same code, so I took it back. They said they are gathering information by being members of a forum/website etc., themselves, reset the code and said drive it and bring it back if it happens again. OK, it happened again just yesterday, same code. So, I'm at a loss! Don't know what to do other than to keep taking it back to them since the trans rebuild is under warranty, but this is getting aggravating. Any light shed on this from some of you guys who know alot more than I do about these things would be appreciated. Thanks to all!
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Old 06-29-2005, 09:18 AM   #2 (permalink)
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well I dunno how to help but I can say that you could post in teh camry gen 3 forum. There are more people their that are knowledgable about the 1mz-fe. but don't cross post, just start a thread about problems with the code.
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Old 09-16-2005, 09:13 AM   #3 (permalink)
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My check engine light would have been on for 16 months/ 16,000 miles-I removed the bulb-for code P0773, trans. solenoid. See Haynes manual or other reference on removing the bulb, takes 10 minutes.I have travelled all over the SE without problems during this time. I think this solenoid is related to the Power setting on transmission, the button on center dash that lets engine run higher RPM's before shifting when more power is desired.I have never had occasion to use the Power setting since MPG is affected and I have no desire to race the car. I have an OBDII code reader ($99.00 at WalMart)and check occasionally for other trouble codes.
Don't worry, be happy, keep driving.
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Old 09-16-2005, 05:39 PM   #4 (permalink)
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there are 4 solenoids in trans, 2 shift, 1 shift "E" and SL... my guess is they haven't replaced the correct one yet. It is very confusing because the dealer calls them solenoids 1.2.3.4. the one you need controls lockup, so its also costing you some extra coin for gas.

I can get you the correct toyota part number of the solenoid you need on monday. then you can refer it to this shop.

let me know.
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Old 09-16-2005, 07:42 PM   #5 (permalink)
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toyota solenoids are fucked up with how theyre labeled. ever source cited calls them something else.

as far as i can tell solenoid e is for the torque converter clutch. if i remember correctly, you can short te1 to tc in dlc3 to engage it.

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Old 10-21-2006, 07:37 PM   #6 (permalink)
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I have a 97 Corolla doing the same exact thing. CEL on and pulled code P0773 code. Took to the dealer, they could not duplicate the issue as it started for them after I towed in to them. Took to transmission shop, ended up replacing all three solenoids, etc. Ran for one day then would not start again....then Replaced the computer since it was spewing codes(oh, and btw, had to replace the solenoids again as the computer fried them) and ran fine....again.....for 3 days...took back to trans shop..pulled P0773 code again....I took it out on the freeway to bring up to temperature in order to duplicate the problem and BOOM, CEL came on again and it exibits the same problems as before..had to tow back to trans shop..can anyone help???? What else is in the circuit that could be bad?
thanks,
Kent

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Old 11-21-2006, 05:37 PM   #7 (permalink)
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Quote:
Originally Posted by GarWil99
Hello everyone. I'm new to ToyotaNation, and would like your help. About to pull my hair out with this problem. We own a 97 Avalon....the best car we've ever owned until now. Never had the first minutes problem with this car until now. About a month ago the "check engine" light came on and I had it read. P0773 - Shift Solenoid E - Electrical. So, I called my Toyota mechanic who referred me to a local transmission shop which I took it to. They ran diagnostics and did what they called a soft overhaul of the transmission, including replacing the solenoids and re-doing anything inside that appeared to be worn - at the price of $1600 bucks. By the way, it shifted flawlessly before and during all this, and still does!! Well, I thought after I got it out that it was fixed for sure. The light came on again a few days after....same code, so I took it back. They said they are gathering information by being members of a forum/website etc., themselves, reset the code and said drive it and bring it back if it happens again. OK, it happened again just yesterday, same code. So, I'm at a loss! Don't know what to do other than to keep taking it back to them since the trans rebuild is under warranty, but this is getting aggravating. Any light shed on this from some of you guys who know alot more than I do about these things would be appreciated. Thanks to all!
GarWil99-Did you ever resolve the problem? If so, what was the solution?
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Old 11-21-2006, 05:59 PM   #8 (permalink)
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The manual states this code is related to a problem with Shift Solenoid Valve SL (solenoid E). From what I can figure out this eventually controls lock-up of the torque converter. The ECM is supposed to set the code if this solenoid has a resistance of 8 ohms or less when energized or 100 ohms or more when not energized. Or it could be a bad electrical connection/wiring causing a high ohm reading or bad ECM.

Being far from an expert on automatics, I still wonder if the manual states the trouble code refers specifically to this solenoid (whatever it does), why can’t the dealer test it and the wiring, or just replace the part. Is this one of those, the code does not tell the whole story issues.
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Old 12-04-2006, 01:08 PM   #9 (permalink)
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I think we are zeroing in on my specific problem. Last week the car exhibited the problem again after running for 30 minutes on the freeway. I called my mechanic and he came out with his laptop and we captured the state of the problem. The car was in 'fuel cut off' for some reason and we were pulling a P0773 code from the transmission. At this point, the engine was running but would not accelerate due to the 'fuel cut off' state. We touched the wire harness to the tranmission and all of a sudden, the engine was running fantastic, so we feel that there is a short in the wiring harness to the transmission. Its at the shop....again...to examine and test the wiring.
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Old 01-10-2007, 01:20 PM   #10 (permalink)
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P0773 Code

Well, just an fyi...turns out that replacing the wiring component inside the tranmission as well as outside to the computer solved the issue.
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Old 06-02-2007, 04:55 PM   #11 (permalink)
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I had posted some time ago about my issues with this shift solenoid E code - P0773 on my 1998 Avalon. Had a local shop replace the shift solenoid, CEL came on the next day. When I took it back to the shop he disconnected and cleaned all the electrical connections to the transmission - I think he said there were four of them and one of them had some oil around it. It has been ten days now and no CEL. So maybe cleaning the connections ought to be the first step when this code shows up.
Chuck
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