'94 940 Cooling Fan not turning off
Hey all. This is my first post here. Here goes...
The electric fan in my '94 940 is not shutting off as soon as it used to and is draining the battery. I should point out that It does shut off eventually, it just takes a while. The car is equipped with a bosch ignition system. To my knowledge, the ECU uses a temp signal from the ECT to control when the fan turns on/off. I've recently replaced the ECT so I've ruled that out. This leaves the culprit to be a sticking cooling fan relay, found behind the battery. It looks like this: http://www.auto-electrical-parts.com...3162650oes.jpg Is there a way to test this relay to determine if its sticking? I dont really understand how this relay works, and any help would be really really appreciated!!! Thanks again! Roland p.s. I've already tried looking for a thermo sensor in the radiator which might control the fan, and I dont believe my system uses one. |
RE: '94 940 Cooling Fan not turning off
I always have a tester relay to use but try looking at the wiring diagram in the link and see if it helps.
http://www.volvotechinfo.com/WD123/ |
RE: '94 940 Cooling Fan not turning off
My car had a problem that when i turned it off the front fan cotinued to run, but it got fixed by itself
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Hi! I have the same problem on my 1996 940. I already changed the ECT Sensor and the relay, an the fan is still working ALL THE TIME. I have been searching for the Thermoswitch too but didn't find it.
You solved the problem? |
the thermoswitches that control the fan are on the radiator manifold at the bottom of the radiator. in many configurations, the A/C also turns on the fan.
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