2014 Mazda CX-5 Grand touring Blower motor does not run. I've replaced the blower motor, the blower motor resistor, checked the fuses...no luck. Is there anything else I should be looking at?
Blower motor not working
- Thread starter fightingcec
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- cx-5 electrical
Look at the wiring and the voltages at various points of the circuit. Maybe look at the wiring diagram for your car and see what else participates in the circuit. Stop replacing parts until you know the root cause or at least have it narrowed down.
Regardless, it is unusual that it doesn't run at all. Usually the system is designed to fail where at least fan will run at max speed when told to run on high, and only on high or off. This leads me to believe you have no power at all going into the circuit. You really can't figure out modern cars without a wiring diagram and at least a multimeter.
Regardless, it is unusual that it doesn't run at all. Usually the system is designed to fail where at least fan will run at max speed when told to run on high, and only on high or off. This leads me to believe you have no power at all going into the circuit. You really can't figure out modern cars without a wiring diagram and at least a multimeter.
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THanks for the answer. I stopped replacing parts...LOL! I checked for DTC's - none at this point. THis is a Automatic Temperature control vehicle - does that play into why I might not have any fan at all? In answer to your suggestion, I have tested the power at the connections to the resistor, the motor and the harness where those to merge and dive to the back side of the Climate control unit. I might just give up and pass this off to my mechanic - much better diagnostician than I. Thanks again - have a great weekend. Cheers from San Diego.
-Joe
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A 2014 probably won't throw codes for this. Maybe an expensive reader will get something from the BCM. Usually these things will activate the fan when you crank the temps all the way to the top at least. That would have at least ruled out the basics. If the BCM is in full control of everything, then that might be the next issue if all your powers and grounds are looking good. But again, I don't have this year's wiring diagram so it's hard to tell where to point the finger.
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I checked both relays in the fuse panel. There is 100 ohms between 85 and 86 for both of them.
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Did you put 12v directly to the new blower motor to verify operation before installing.
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No, I did not check that. I did check voltage coming from the plug - there is no power there.
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