3rd & 4th Generation (1992–1996 & 1997–2001)Toyota Camry Discussion for years: 1992-1996 & 1997-2001
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Hello everyone, I am new to post in this site. I have 94 xle Camry 4cylinder AT with 245k miles. I have read many post here in the past. I started having transmission trouble this past week. The car goes in limp mode and the AT has to be shifted manually. It will clear up if it is driven a few miles. It goes back in limp mode when I cut the car off and start again. Car is OK after it has set overnight, but if you cut it off and start again it goes in limp mode. The car shifts flawless when it is not in limp mode. The Check engine light comes on in limp mode. There is no codes when the OBD1 is jumpered in limp node. The Check engine light or the limp mode will not clear when the EFI fuse is pulled or the battery negative post is disconnected. I have checked the solenoids no. 1 and 2 and they appear to be good. The wiring appears to be good. I have read many postings, but could not find one with this similar problem. I would be grateful for any help with this problem.
If I disconnect the electric connection for the solenoid nos. 1 and 2 at the AT and drive the car shifting manually the gears feel solid. Motor is still in limp mode. I get a blinking o/d light. I check for codes and I do get code 62 and 63. I assume I get those because I have dissconnect the wiring to them.
Trouble codes (what few there are for trans) can only be read when O/D switch is on. A problem with your Throttle Position Sensor will not give a code but could be causing the trans to not shift properly. Have to tested the solenoids to hear a clicking when they shift?
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1995 Camry Wagon LE. 2.2 4cyl, 5S-FE, Auto, 187K
but the real issue is why is it going into limp mode, if it goes in to limp and turns the cel on then you should be able to pull a code as to why it was tripped, if you cant pull a code i would look at a faulty ecu
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Thanks for your replies. I was thinking a a faulty ECU next, but was hoping not. The solenoid were cleaning and click. The ohms check on the solnoid also.
I decide to drive the car to work today and do some testing. Its behaviour has changed some. The car started out fine no CEL and AT shifted perfect. At 25 miles of the 40 mile trip the motor died as I was going slow. When I restarted the CEL was on and the car was in limp mode. I got to work and it was parked undistrubed from 7am to 3:30 pm. I did check for a code when I arrive there was none. The CEL just was lighted constant during the check. I started home and the CEL was out and the car ran perfect for about 10 mile and the CEL came on and the car when in limp mode. I would guess it will be fine in the morning when first started. This is the puzzling thing I have come across.
The CEL just was lighted constant during the check.
If the O/D switch is off then the light is continuous. If on then you should get the code blink from the O/D light when terminals are jumped. If the system is normal you will gt 2 blinks per second. I wonder if you have a problem with the O/D switch? On these intermittent problems with a car this old I would check and clean as many ground wires as you can find.
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1995 Camry Wagon LE. 2.2 4cyl, 5S-FE, Auto, 187K
Started the car this morning and the CEL was out. Car ran as it should. I drove th car about 15 miles without shutting off the switch and the CEL came on and the car when in Limp Mode. No codes availale.
The OD switch works as it should. The OD switch with turn on and off light and control overdrive when it is not in Limp Mode. When in Limp Mode there is no overdrive shift, but the switch will turn the OD light on and off.
I went thru all the ground connection terminals and connectors. I cleaned them and applied an electric grease. Nothing has changed. Car is in Limp Mode. I would guess in the morning the Limp Mode state will be gone. I do not know the exact time the switch has to be off before it clears from Limp Mode.
I replaced the ECU and the car has not went in limp mod as of yet. I think the ECU may have been the problem. I had another problem develop with the airbag light remaining on because of the battery disconnections, etc. I did the Tc and AB pin alternating with a ground wire found here (RS-65). I keep getting code 22 at the airbag light. I found some more info that I used and the light cleared (see below). By step three I started getting a binking airbag light and it was clear.
(1) Turn ignition switch LOCK, and wait at least
2 seconds.
(2) Turn ignition switch ACC or ON, and wait at
least 20 seconds.
(3) Clear malfunction code stored in memory.
(See page RS–65 in manual) This is using the pin
Tc and AB.
(4) Turn ignition switch LOCK, and wait at least
20 seconds.
(5) Turn ignition switch ACC or ON, and wait at
least 20 seconds.
(6) Using SST, connect terminals Tc and El of
DLC1 or DLC2.
SST 09843–18020
(7) Check diagnostic trouble code.
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