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  #1  
Old 02-03-2008, 04:58 PM
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question about code 24

Having dug through the How To section, I came uo with a code 24-duty solonoid C. The Power light kept blinking after start-up. Seems to drive and shift ok, no binding cold or warm, but I don't really want to drive it till I fix it. The car is a 92 lsl.
My question is-will this problem also trigger a Check Engine light? When driving about 2 or so miles the CEL appears. When I shut it off and turn on the key, the CEL lights up for a short time and goes out as normal. How much can it be driven w/o damaging the trans?
Thanks!!!
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  #2  
Old 02-03-2008, 05:44 PM
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Hello Teal 1, you are very welcome, and I wish you luck with your car.

First you should understand there are two main sets of error codes, for the engine or for the transmission.

[there are others, like the A/C and the automatic seatbelts and so on, but the serious ones are as above]

Your CE light needs to be checked out by deriving the codes as shown in the how-to section. This code will relate to some of the engine sensors being out of correct range. It is usually not connected to the transmission codes.

Your code for the transmission shows you have a problem with solenoid C. This controls torque to the rear axle. Usually it indicates a binding rear drive clutch. Are you getting the rear wheels binding or dragging if you turn on loose gravel?

You will need to check if the PO put in a fuse in the under-hood fuse board that disconnects the rear drive. Should he/she have done this it converts the car to FWD only, disconnects the rear, and masks the problem of the rear clutches needing to be replaced.

Read up on this and check it out, and get back with more info.

Joe
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  #3  
Old 02-03-2008, 06:18 PM
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Thanks for the quick reply!!
That pretty much answered my main question-I wasn't sure if a trans code would throw a cel. There is no fuse in the fwd slot-there is no apparant binding hot or cold,(I have a gravel drive,turned car around forward,reverse) but there is a loud howl from the rear-I was thinking wheel bearing(s).
So the rear clutches binding will throw a code but the solonoid may be ok?
I'll do more research when time permits and let you know.
Thanks again!!
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Old 02-03-2008, 09:02 PM
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Quote:
Originally Posted by teal one View Post
Thanks for the quick reply!!
That pretty much answered my main question-I wasn't sure if a trans code would throw a cel. There is no fuse in the fwd slot-there is no apparant binding hot or cold,(I have a gravel drive,turned car around forward,reverse) but there is a loud howl from the rear-I was thinking wheel bearing(s).
So the rear clutches binding will throw a code but the solonoid may be ok?
I'll do more research when time permits and let you know.
Thanks again!!
Code 24 relates only to solenoid C, which provides a means of electrical control of the hydraulic clutches, via the Transmission Control Unit. Fault sensing is dependent on an electrical signal and there is therefore no sensing in respect of the clutches as such.
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Old 02-03-2008, 09:52 PM
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That makes sense. I better do some more research-I had hoped the FSM I got would have more info than it did.
Thanks for the help!
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  #6  
Old 02-03-2008, 10:35 PM
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Well, I couldn't very well go to bed thinking about this,so I drove the car to a different area. Guess the frozen gravel was allowing the rear tires to slip. On pavement,you can feel the bind. So...I read a post from crazyhorse from last year on testing for this problem so I'll go with that for now. I assume changing the solonoid (if needed) is fairly involved. I'll check more things as time permits and keep you posted.
Thanks all!
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Old 02-04-2008, 01:50 AM
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Quote:
Originally Posted by teal one View Post
Well, I couldn't very well go to bed thinking about this,so I drove the car to a different area. Guess the frozen gravel was allowing the rear tires to slip. On pavement,you can feel the bind. So...I read a post from crazyhorse from last year on testing for this problem so I'll go with that for now. I assume changing the solonoid (if needed) is fairly involved. I'll check more things as time permits and keep you posted.
Thanks all!
As Trevor points out solenoid C posts the code [means signal is out of an expected range]

In theory if Solenoid C was your only problem, you could change it for a new one and your problems would go away.

In practice you could put a new solenoid in there and it might still bind, because the clutches may be gone.

Your trans specialist will take off the rear transfer case from the back of the transmission to replace Solenoid C. While he is in there if the clutches are toast, then they must be replaced at the time also.

Joe
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  #8  
Old 02-04-2008, 06:08 PM
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Thanks again!! I won't be able to do much until the weekend-hopefully pull the abs code and the cel code as well and find out where I'm at. ($)
I hope this is all worth it!! For a car that only had a wheel bearing problem right before I bought it, there is sure a lot of stuff wrong with it!! (I've driven it a total of 2 miles since purchase!!)
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  #9  
Old 02-05-2008, 02:29 AM
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Well you know, sometimes owners let things slip and don't attend to servicing and problems build up.

When I got my first car from Japan it had quite a few faults, including a bad gearbox. The good news when you attend properly to these faults is you will find the SVX to be uber-reliable and very satisfying as a car to own and drive.

You will need to attend carefully to the bearing noise, learn how the job should be done before you hand it over to a garage. If they do it wrong you will be back again in a few months. If they do it properly you have no worries.

Joe
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