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Re: transmission and check ingine light
Your vehicle’s computer system has self-testing capability. When the computer senses that there is a problem with some of the components it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem and you should have the car diagnosed and repaired. First step is to see what codes are in your computer and if they are transmission codes.
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if u want it to kick down later simply adjust more slack in the cable if u want it to kick down earlier make it tighter check the slack at the throttle body side adjust it to have about 1/4 inch slack drive and adjust acordingly
This is a bit involved. When the D4 light blinks, it is indicating a problem with the input or output systems for the A/T. If you find your Service Check Connector (it should be near or at the top of the kick panel on the passenger's side; it's usually blue and has two holes in it; it is at the end of a wire so don't look for a fixed unit; it is often simply tucked in behind the top of the kick panel. You should pull the kick panel out to find it) you can insert a paper clip so that it connects the two holes. Then, if you turn your ignition to ON II (do not start the car) the D4 light will blink out a code, using both long and short blinks. The blinks have to be carefully counted. Problem codes 1 through 9 care indicated by short blinks. Problem codes 10 through 15 are indicated by a series of long and short blinks (you have to add them together to get the code).
I tell you all this to indicate that the procedure is fairly involved, and since you probably don't have a list of what the codes mean, I would have to say that it would be best to find, if you can, a Honda dealer to read the codes and check your transmission. Most of these problems are connector or sensor related and are usually indicated by the transmission not shifting from one gear to another, or by the transmission jerking hard when it shifts. The belt problem you are hearing is probably related. I hope this is of some help.
Usually the VSS - You can check the code by jumping the "test wire/plug" located behind the pass side plastic kick panel on the lower right. It has a blue tip, place a small wire or a paper clip in the terminals to make a connection. Turn your key forward two clicks to the ACC (not start). Count how many times your "D" light flashes. If it flashes 4 times, you need the VSS changed.
Go to eBay and type: 93 Accord VSS
It's cheap there, Autozone charges over $100.
If it's not that then consider a malfunction in your TCU (Transmission Control Unit) located under the pass side floor carpet by where they put their feet. It's the smaller of the 2 control units. Sometimes there are 2 capacitors that burn out in there. You'd need a Phillips screwdriver to take the TCU apart to look at the circuit board, etc.
If it's not that then consider changing your trans fluid, wiping the magnet tip drain bolt clean and cleaning your shift solenoids. You'll need about 2.5 quarts and it must say Import or Honda Approved on the ATF container. HONDA DOES NOT RECOMMEND GETTING A TRANSMISSION FLUSH. Good luck...
probably the switch underneath the brake pedal. take off the drivers kick panel and look up underneath and behind the pedal arm to see if there is a small switch behind it. its probably pushed out of the way.
the drive light is flashing what it is doing it is storing a code if it was a used trans more than likely you got hold of a bad trans make sure all of the wiring connectors are hooked up to the trans and that none of the wires were pulled out of the connectors but by the way you are describing the problem you have a bad trans