Honda prelude 1997 tiptronic shift to long and D4 light keeps blinking

SOURCE: 1994 honda accord

The D4 light blinking indicates there is a diagnostic trouble code stored.When a malfunction occurs,the vehicle computer records the code and stores it,then flashes the D4 light to let you KNOW there is a problem.On pre OBD 2 Honda vehicles,1995 and back,Hondas are manual code read,which means you do NOT hook up a scan tool as there is no scan port.The passenger side front kick panel is removed,and a blue 2 wire connector located.Use a jumper wire to short out the connector,then turn the ignition key on,with engine off,not running.This throws the computer into self diagnostic mode,and the D4 or "s" light will flash a series of flashes.The flashes have to be counted,and written down.For example,2 flashes followed by 4 flashes would be a code 24.The code is then looked up with reference material for a description and diagnostic route.Every diagnostic trouble code,has a diagnostic route,for repairing the problem.Again,this informtion,the diagnostic route,is available in reference material from pay sources like All Data Online.After the repair is made,the battery is disconnected to clear the code.Good luck.

SOURCE: Honda Accord 1996 automatic transmission D4 light blinks

i wouldn't worry about it its probably a loose wire somewhere as long as it shifts and drives cool hope this helps regards Jim

SOURCE: Prelude 2.2 vti W reg auto automatic tiptronic gearbox slipping

Hi there. Although the Dealer has changed the oil, did they do a 'Stall Test' whilst the gearbox was cold and again when at normal running temperture? If not, that's what they must do firstly. This will identify whether you have a slipping clutch/s. The Honda autobox also includes what is known as accumulators - these control how each clutch is engaged during acceleration. For example, if you are accelerating slighly/smoothly, you want each gear to be engaged gently and smoothly, whereas, when accelerating hard, you need the gear engaged quickly and hard to aviod clutch slippage. Thus, the fact that you are experiencing a hard engagement might mean that an accumulator/s is seized. If that's the case, it will mean that the autobox will need stripping, cleaning and be checked for worn components. Hope this helps, Scottech.

SOURCE: 94 honda accord ''D4'' gear shift shift selector blinks

Theres a transmission cooling sensor and somtimes the wire comes loose from other repairs being done around it. or its just out. its on the left side sitting on the tranny. THATS WHY your d4 light is blinking

SOURCE: d4 blinking 1995 honda accord

This is 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. If your having no problems and you are in a position to not have access to a Honda service department, you can find the backup radio fuse in your engine compartment fuse box and take it out(not with the car running) for 10 seconds or so, then put it back. It will clear the computer. If the D4 starts blinking again, it would indicate that the warning was not just a glitch.
I really hope that this is helpful; I'm sorry if it is only disheartening.

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