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Discussion Starter · #1 ·
06 PT Cruiser.... trouble shooting problem with fans not operating. Have bypassed the relays and both hi/lo speed fans work. At the harness connector leading to the relays, I get no energizer signal to the relays, with A/C on and engine at operating temperature. This leads me to believe that it could be a PCM issue, as I believe the ECT sensor only has to do with low speed fan operation for engine cooling, and the high speed fan should come on whenever the compressor is running.

Is this correct...??

thanks for the input.
 
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