Question about 1991 Honda Accord
The problem is the transmission computer located under the riht front carpet and its the smaller of the 2 computers. You need to know what the code is. Use a paper clip and jump between the two wire SCS connector. Turn the key on and count any possible flashes in the check engine light. This connector is usually a blue connector and may be taped to the wire harness on that side with blue tape. If not, look behind the kick panel because they get placed behind this panel.
These cars are very bad about the TCM failing. If you get no flashes when you jump this connector but the light is on, the TCM (Transmission Control Module) has failed. Very common.
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Posted on Feb 09, 2012
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Posted on Jan 02, 2017
Last year in the summer of 2007 I had the same problem with my 1991 Accord dx. I replaced the Transmission Control Unit (TCU) and the light went out and the car has been driving fine every since.
Posted on Oct 18, 2008
Count the number of times the yellow light flashes.
A long flash for ten
A short flash for one
So two long and three short flashes is 23.
Get back to me with the yellow check engine number. That is your CEL (check engine light) CODE
Posted on Dec 10, 2008
I couldve sworn there was a switch. if not, probably the dimmer switch is bad. Take it out and verify operation with a multimeter. Also verify the switch has 12V
Posted on Aug 21, 2009
sounds like a possible bad ground wire, you will need to find out where these 3 items ground and see if they have a ground point in common.
Posted on Oct 13, 2009
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