Question about Honda Odyssey

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One cooling fan works the other doesnot.Is it the fan or fuse or both? thanks

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The second fan may come on at a higher temp ... ? You don't mention the model year. I know this technique has been used by Honda over the years. It saves 'energy' and improves efficiency.

Posted on Aug 07, 2010

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It could be the fuse, relay, wiring or thermostat connection.

Posted on Aug 07, 2010


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3 Answers

Cooling fans will not come on


Fan Relay switch is stuck open. This of course assumes your temperature sensor is working appropriately. Which I assumed since you seem to know that the engine is running hot.

Replace the fan relay switch. The relay switch is tripped when the temperature sensor tells the computer the engine is too hot.

Until you get the relay switch replaced, you can either by-pass the relay switch and directly connect the fans to the battery, or turn on your A/C ALL the time and use it at a minimum setting. This will keep the cooling fans running at all times.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Jul 26, 2009 | Volkswagen Jetta Cars & Trucks

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2003 malibu cooling fans don't work. I have replace the relay and the temp sensor and still nothing. When ever I disconnect the temp sensor the fans come on and work normally, but later in the day I see...

okay pull the temp sensor connector ( disconnect it) and turn car on if the fans run then its the temp sensor.... part # wt3000.
Theres also 3 relays that turn the fans on in the fuse box cooling mode fan relay @15 which is part number 7234. and cooling one # 1 which is 3604, and cooling fan #2 which is 7236.
I have the same car...give me a fan clutch cooling system anyway of the week. simple and efective no problems.

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1 Answer

Cooling fan won't work


cooling fan not working could be a lot of things.

first , test the fan itself, put a direct 12 volts to the fan terminal and watch if it would run.( be careful of the blades ), if it does not run, could be carbon brush. replace if necessary.

if it runs, check relay circuits. one for A/C and the other one for high temperature of engine.

check also for fuses with label " cooling fan" or "radiator fan". check all fuses just to be sure.

tnx 4 using Fixya,


Dec 11, 2008 | 2001 Volvo S60

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