Automatic transmission problem

[Tippey764]

Alright i don't even know where to begin here

I drove my car down to a guy on craigslists to get some parts

upon leaving my D4 light was flashing

I go to check the codes and i am getting codes

1
2
3
5
7
8
14

WTF?

Where do i even begin with this?

[xkjnboix]

drain fluid and refill with honda genuine
also pull the rad line and start the car so you can COMPLETELY drain the system from the tq converter. http://www.youtube.com/watch?v=MsdPA...eature=related


http://www.preludepower.com/forums/s...d.php?t=350241

even if this doesnt solve your problem, u have a used car so it should be done so that YOU know the cars history

[cloudasc]

Alright i don't even know where to begin here

I drove my car down to a guy on craigslists to get some parts

upon leaving my D4 light was flashing

I go to check the codes and i am getting codes

1
2
3
5
7
8
14

WTF?

Where do i even begin with this?

Open up your TCU and take a look. Thats a classic sign that something burned up. It probably looks like this:


But on a different part of the board. Heres the fix I went through on my board: http://www.cb7tuner.com/vbb/showthread.php?t=185004

[Tippey764]

It looks like this

i guess that black stuff is the board burnt?

[cloudasc]

It looks like this

i guess that black stuff is the board burnt?

The capacitors on the board leaked, it doesn't look like anything burned out / flared up.

You should be able to use a q-tip and some isopropyle alchohol to clean up the electrolytes (the black stuff) that have oozed onto the board.

Then grab the capacitors listed in my guide, resolder each one, and it should be as good as new. Looks like you got off lucky.

This was a 90-91 tcu correct?

[Tippey764]

this is a 9293 TCU

i'm just going to buy a new TCU since i'm already going to the junkyard tomorrow for other parts.

[cloudasc]

this is a 9293 TCU

i'm just going to buy a new TCU since i'm already going to the junkyard tomorrow for other parts.

I guess old age is creeping up on the 92-93 tcu's now... I guess my guide applies to all of them.

Heres a cool video on capacitors:


If you can find a TCU for less than $5, then grab it up, otherwise it might be cheaper to fix the old one...

also remember this, just because you pick another one up from the junkyard, if you do not replace the capacitors on it, it will blow out again... its just a matter of time.

[Tippey764]

Honestly i don't see myself skilled or patient enough to repair it which is why i just want to replace it and be done with it.

[cloudasc]

Honestly i don't see myself skilled or patient enough to repair it which is why i just want to replace it and be done with it.

I know that feeling well , you may not have the skill/patience, but if you are going out to buy another, you might as well try repairing your old one (or have someone you know that can solder repair it), as sending the old one to the landfill isn't the best for the environment, these tcu's were made before RoHS, so their environmental impact is higher. Better to send 5 capacitors to the trash, then a whole circuit board filled with...

RoHS is often referred to as the lead-free directive, but it restricts the use of the following six substances:
1.Lead (Pb)
2.Mercury (Hg)
3.Cadmium (Cd)
4.Hexavalent chromium (Cr6+)
5.Polybrominated biphenyls (PBB)
6.Polybrominated diphenyl ether (PBDE)

PBB and PBDE are flame retardants used in several plastics.

^^^ Mmmm wouldn't you love to add all this to the water table?

Did you know that almost all of our e-waste ends up getting shipped to other 3rd world countries like china, and we wonder why lead and other new manufactered products that get shipped back to us, end up contaminated.

EDIT: Damn, I guess the fact I am going to be a father soon is sinking in, as the world we leave behind our children are going to have to clean up, just like were having to clean up after our parents generations, and the generations before.

[Tippey764]

I'm not going to throw the old one away. I never throw car stuff away. It will sit on the shelf as a reference or until I feel like learning to fix it.

[cloudasc]

I'm not going to throw the old one away. I never throw car stuff away. It will sit on the shelf as a reference or until I feel like learning to fix it.

Especially for you:

[Tippey764]

[C91BLX7]

In addition to the tcu, some preventive maintenance
Clean the solenoid screens and flush out the old fluid with some nice new dw1.

I did this on my auto and it worked great.

you need two 5 gal buckets and some hose

Take both cooler hoses off, put two new hoses on and put one in each bucket, fill bucket with the suction line to it with 8-12qts of atf, i forget what the capacity is for the cb, start it up and let it suck the new fluid in and pump the old stuff out. you can run all of it through or stop when the fluid coming out looks clean. put the hoses back, take it for a drive, do a drain and fill and clean the magnet on the drain plug. Drove like a brand new transmission and got a good 10k miles out of it with no problems(till the car was totaled) and fluid still looked great. I also was 17 at the time and beat the shit out of it, manual shifting and all.

If you dont like the idea of a flush just do 4 or 5 drain and fills and that should get the old stuff out.

FYI list price for honda atf is $8.23qt my local carquest has it for $6qt

[Accord problems]

I know that feeling well , you may not have the skill/patience, but if you are going out to buy another, you might as well try repairing your old one (or have someone you know that can solder repair it), as sending the old one to the landfill isn't the best for the environment, these tcu's were made before RoHS, so their environmental impact is higher. Better to send 5 capacitors to the trash, then a whole circuit board filled with...

RoHS is often referred to as the lead-free directive, but it restricts the use of the following six substances:
1.Lead (Pb)
2.Mercury (Hg)
3.Cadmium (Cd)
4.Hexavalent chromium (Cr6+)
5.Polybrominated biphenyls (PBB)
6.Polybrominated diphenyl ether (PBDE)

PBB and PBDE are flame retardants used in several plastics.

^^^ Mmmm wouldn't you love to add all this to the water table?

Did you know that almost all of our e-waste ends up getting shipped to other 3rd world countries like china, and we wonder why lead and other new manufactered products that get shipped back to us, end up contaminated.

EDIT: Damn, I guess the fact I am going to be a father soon is sinking in, as the world we leave behind our children are going to have to clean up, just like were having to clean up after our parents generations, and the generations before.

Congrats dude ive been a father for 8 years now its not that hard and its fun.

[Tippey764]

Strange stuff. Car was working perfect this morning. Drove it to ihop and went in to eat. Came out and it was blinking again.

I replaced the TCu today and its all good. New TCU looked to be in great shape.

Thanks for the help.