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Car Forum / Honda Cars / November 2005Accord transmission problem
I know this has been addressed before, but I didn't pay attention because at the time, I didn't have this problem, but now I do... Our 92 Accord 4-cyl automatic transmission (120,000 mi.) is shifting up-and-down randomly (5th to 4th, or 4th to 3rd) while driving. I also notice the D4 light flashing intermittently; it doesn't appear to be a code. Also, when first starting the car, I heard what sounded like relay(s) clattering in the dash for a few seconds. If this is a matter of re-soldering leads on the computer, I can do that, if someone will tell me where it is. Thanks, Tom > I know this has been addressed before, but I didn't pay attention > because at the time, I didn't have this problem, but now I do... [quoted text clipped - 5 lines] > If this is a matter of re-soldering leads on the computer, I can do > that, if someone will tell me where it is. Thanks, Tom ----------------------------- Since automatic trannies run on tranny fluid, you need to tell us when you changed the tranny fluid last, and what (brand) did you put in? How's the level, color, smell? 'Curly' I'm embarassed to admit I don't know when the fluid was changed; someone else had the car for years. I know the level is OK, and doesn't smell burnt. Tom. >> I know this has been addressed before, but I didn't pay attention >> because at the time, I didn't have this problem, but now I do... [quoted text clipped - 14 lines] > > 'Curly' > I know this has been addressed before, but I didn't pay attention > because at the time, I didn't have this problem, but now I do... > Our 92 Accord 4-cyl automatic transmission (120,000 mi.) is shifting > up-and-down randomly (5th to 4th, or 4th to 3rd) while driving. I also > notice the D4 light flashing intermittently; it doesn't appear to be a code. Find a two terminals connector on the side of passenger kick panel. This is a blue two-wire connector. Short the two terminals with a paper clip and turn on the ignition (do not start) Read the flashes of the check engine and/or d4 lights...post the results here and somebody will look it up in the shop manual. Clear the stored codes by pulling the under-hood 'backup' fuse for a minute. > Also, when first starting the car, I heard what sounded like relay(s) > clattering in the dash for a few seconds. Probably a power loss of some sort. This could cause the Transmission computer (TCU) to give false shift sequence. > If this is a matter of re-soldering leads on the computer, I can do > that, if someone will tell me where it is. Thanks, Tom If this were my vehicle I would supply direct battery power and ground to the TCU and try to recreate the symptoms. No apparent codes; just a steady D4 and Check Engine light. >> I know this has been addressed before, but I didn't pay attention >> because at the time, I didn't have this problem, but now I do... [quoted text clipped - 21 lines] > If this were my vehicle I would supply direct battery power and > ground to the TCU and try to recreate the symptoms. > >> I know this has been addressed before, but I didn't pay attention > >> because at the time, I didn't have this problem, but now I do... > >> Our 92 Accord 4-cyl automatic transmission (120,000 mi.) is shifting > >> up-and-down randomly (5th to 4th, or 4th to 3rd) while driving. I also > >> notice the D4 light flashing intermittently; it doesn't appear to be a > >> code. > No apparent codes; just a steady D4 and Check Engine light. Usually [a steady D4 code] means dead TCU or lacking power. Someone with a service manual may verify this. |
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