Just one of several archived threads that discuss problems like yours, on an
early 1990s Accord. This one ends with replacement of the timer unit.

http://groups.google.com/group/rec.a...ba930ed52ced1a

There's better info on testing the timer unit in the thread above than at
the manual page I gave before.

Good prices, pretty fast shipping, for parts like the timer unit:
www.slhonda.com
www.hondaautomotiveparts.com




"Elle" <honda.lioness@nospam.earthlink.net> wrote
> The following PDF file gives cooling fan electrical etc. component
> locations; directions on how to test them; and troubleshooting charts, all
> for your 91 Accord:
>
> http://media.honda.co.uk/car/owner/m...400/16-103.pdf
>
> A manual for your Accord is accessible via
> http://www.honda.co.uk/car/owner/workshop.html
>
> Based on what you say, and going from memory from past posts here, I would
> definitely first test the timer unit. They do go bad, causing the fan to
> go on when it should not.
>
> "Tirthankar" <tirthankar.sahoo@gmail.com> wrote
>> The Fan in front of passengers seat is giving issues. It turns on even
>> when the engine is cold on a morning before started. Recently I had
>> changed Thermo switch at the upper hose and temp sensor at the
>> thermostat housing lower hose. No helped at all.
>> Only mystery is when I go for long drives the fan doesn't turn on. But
>> on cold it does. However on turning on the AC swtich both the condesor
>> fan as well as radiator fan come on. What could be the problem.
>> Now a days I keep the battery terminal disconnected -ve to save the
>> battery. Earlier also the fan used to run till it sucked the battery.
>> Could it be a wiring problem.
>> What is the difference between fan timer unit and fan relay.
>>
>
>