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AC Compressor is not getting power

36012 Views 36 Replies 9 Participants Last post by  Onyxshard88
2006 Frontier, 4.0 V6

I am getting no power to the AC compressor, so the clutch will not engage. I traced it upstream and am also getting no power at the pressure switch. But I do have power on both sides of the AC fuse. I have been unable to locate the AC relay and am wondering if this truck does not have one, at least not a separate one. Might this be IPMD related?

Any suggestions would be highly appreciated.
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Blower resistor? Does your blower fan work on ALL speeds, and does the compressor engage on any speed?

Since you are not getting power to the pressure switch, let's not even worry about refrigerant level/pressure at this point.
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