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Anonymous Posted on Oct 05, 2014

Mazda mpv 2002. Cooling fans will only turn on

Mazda mpv 2002. Cooling fans will only turn on when ac is on. Replaced cfm. Could the cts be giving normal temperature readings and not be turning on fans.

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Kyle Van

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  • Posted on Feb 27, 2015
Kyle Van
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Also check your fan relays, they're located on the left side by the washer fluid in a rectangle black box. If your check engine light isn't on, leave be, they're ok..

  • Kyle Van
    Kyle Van Feb 27, 2015

    Also check your fan relays, they're located on the left side by the washer fluid in a rectangle black box. If your check engine light isn't on, leave be, they're ok..

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2 Related Answers

Anonymous

  • 15 Answers
  • Posted on Feb 21, 2009

SOURCE: program remote control for mazda mpv 2002

Courtesy of: forums.mazdaworld.org

Try this, it works on several 2002 models:


Step 1: Open drivers door and leave open.

Step 2: Lock and unlock the drivers door using the power door lock switch on the door.

Step 3: Insert key into the ignition.

Step 4: Turn key to on position and return to off position. (IMPORTANT - use ON position NOT ACC position). Do this 3 times within 10 seconds. Leave key in the ignition.

Step 5: Open and close the drivers door 3 times. (Door should be left open after this step).

Step 6: ECU should respond by locking and unlocking the doors.

Step 7: Press any button on remote #1. ECU responds by locking and unlocking the car doors.

Step 8: Press any button on remote #2 (etc.) Each time the ECU will respond by locking & unlocking the doors.

Step 9: Remove the key from the ignition and the ECU will respond a final time with a series of door locks and unlocks. You're done

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mike0862

Mikey

  • 6903 Answers
  • Posted on Oct 05, 2014

SOURCE: I have a mazda mpv 2002. Fans do not work unless

The fans will not come on till the temperature is above about 90 degrees so it sounds like yours is working ok! The fans will come on as soon as the AC is turned on!

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I have a mazda mpv 2002. Fans do not work unless the ac is on. Changed the cfm and still the same. Could cooling temp sensor be not signalling the module while still operating normal temperature readings

The fans will not come on till the temperature is above about 90 degrees so it sounds like yours is working ok! The fans will come on as soon as the AC is turned on!
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I have 2002 mazda mpv it keeps overheating when ever am driving, with our without AC. I have replaced gasket, water pump, and things I need to change in the car and yet is still over heating what do I do...

If you already checked the cooling fan system you are a step ahead.
If you have gone through all that you have done. you may have a crack somewhere in the cooling system, external or internal.a mechanic should do a pressure check to test for this possibility
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My fan on my 2003 mazda mpv starts running as soon as i turn on the ignition. could this cause erractic codes

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Fans not coming on for ac or engine cooling what might be wrong the fuse good

There should be a cooling fan relay, usually 1 for the engine and 1 for AC (might be labeled as secondary, or accessory.) I would check that next. A working relay will CLICK when activated. The fans are normally told to turn on by the PCM, which receives a signal from the coolant temperature sensor (CTS). It's possible the CTS is not sending the proper signal to the PCM, but I would first check the relays.
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My mazda mpv 2002 a/c went outcan it be a fuse?

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Cooling fan coming on and off

That's what the auxiliary cooling fan does. Once the engine reaches a temperature thats above the normal opearating temp it will kick on. Hope it helps.
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My 2005 mazda mpv's fan does not shut off after the ignition is turned off. I must turn the ignition back to the starting position and then off again or the fan will continue to run for several minutes...

I have a 2003 MPV with the same problem. There was a recall in 2004 to replace the fan controller module, which apparently would fail regularly. I had mine replaced under the recall although there were no symptoms at the time. Now it appear that the replacement has failed, but I've already used the recall and you can only do it once. Even though your warranty is up the recall still applies if your car is of the model that qualifies. Call your dealer, and he can tell you if you are eligible. It is almost certainly the problem. I don't care how you drive or what the temperature is, your fan shouldn't run immediately after starting or run for more than a couple of minutes after you shut it off.
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