Wen ignited engine doesnt turn on instead ac blower turns on - Mazda Forum - Mazda Enthusiast Forums


Mazda CX-9 This larger SUV adds a V6 option, as well as more cargo room, to the CX-7 option.

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Old 07-13-2018, 06:55 AM
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Default Wen ignited engine doesnt turn on instead ac blower turns on

I have a 2009 mazda cx9. Running all good till today.
to day korning when i tried to start the car the self start did not pick and weirdly the ac automatically starts.
could anyone please help with this issue ?
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Old 07-13-2018, 09:36 AM
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Not sure on the self start, but there is a common & well known fault with the heater fan relays that they malfunction & turn the heater fan on without having the ignition on.

Replace both front & rear blower fan relays.
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