Having problems with your 1995 Honda Accord ?

The D4 is flashing can you tell me why - 1995 Honda Accord

Posted / edited by AnonymousUser on : 24-09-2018

Answers :

This is involved. When the D4 light blinks, it is indicating a problem \015\012with the input or output systems for the A/T. If you find your Service \015\012Check Connector (it should be near or at the top of the kick panel on \015\012the passenger's side; it's usually blue and has two holes in it; it is \015\012at the end of a wire so don't look for a fixed unit; it is often simply \015\012tucked in behind the top of the kick panel. You should pull the kick \015\012panel out to find it) you can insert a paper clip so that it connects \015\012the two holes. Then, if you turn your ignition to ON II (do not start \015\012the car) the D4 light will blink out a code, using both long and short \015\012blinks. The blinks have to be carefully counted. Problem codes 1 \015\012through 9 care indicated by short blinks. Problem codes 10 through 15 \015\012are indicated by a series of long and short blinks (you have to add them\015\012 together to get the code).

Locate the two-pin female diagnostic connector behind the glove box. Use\015\012 a very small jumper wire or paper clip to connect the two pins. Turn \015\012key on, (do not start the engine). The D4 light should start flashing. \015\012Note that it may do long and short flashes. The long flashes mean 10. \015\012(Example, three long flashes followed by two short flashes means trouble\015\012 code 32.) Possibly it could pause and display several codes, so be sure\015\012 and let it run through it's cycle a few times and carefully count the \015\012flashes.
\015\012There are more than 40 codes listed in the service manual, so respond \015\012with yours and I'll tell you what the service manual says about it.\015\012\011\011

I tell you all this to indicate that the procedure is fairly involved, \015\012and since you probably don't have a list of what the codes mean, I would\015\012 have to say that it would be best to find, if you can, a Honda dealer \015\012to read the codes and check your transmission. Most of these problems \015\012are connector or sensor related and are usually indicated by the \015\012transmission not shifting from one gear to another, or by the \015\012transmission jerking hard when it shifts. If your having no problems \015\012and you are in a position to not have access to a Honda service \015\012department, you can find the backup radio fuse in your engine \015\012compartment fuse box and take it out(not with the car running) for 10 \015\012seconds or so, then put it back. It will clear the computer. If the D4\015\012 starts blinking again, it would indicate that the warning was not just a\015\012 glitch.

Hope helps.
I have a 1994 that is doing the same thing. I checked the codes and I am receiving 14 which is the IAC Valve. I took it off and cleaned it but it is still doing the same thing.
\015\012It has rough shifting and surging sometimes with the rpms going up and down when you are attempting to accelerate on a merge type situation.
\015\012I have read that it could be the shift solenoid, throttle position sensor, transmission output sensor, or the vehicle speed sensor. All of these cost 100 to 200 plus dollars and I am not in a position to bring it to a dealer to test these components or go broke buying these parts one at a time to try to see if it fixes the problem.
\015\012Is there any way I can test these parts myself?
Repair Help & Product Troubleshooting for 1995 Honda Accord

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