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No power at ac compressor

733 Views 4 Replies 3 Participants Last post by  amc49
Working on a 2008 Altima with 3.5, buddy said it needed a compressor, threw a compressor on it, still no ac. Check for power, no power. Check for power out of IPDM, nothing. Switch out IPDM, still nothing. Scan it and find that ac compressor request is not being registered, replaced climate control module. Diag tree has sent me to the BCM. How common are the BCMs??
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Working on a 2008 Altima with 3.5, buddy said it needed a compressor, threw a compressor on it, still no ac. Check for power, no power. Check for power out of IPDM, nothing. Switch out IPDM, still nothing. Scan it and find that ac compressor request is not being registered, replaced climate control module. Diag tree has sent me to the BCM. How common are the BCMs??
I’m having same issues with 2009 coup. Can’t find anything about getting power to compressor. Did you fix yours?
If you do not have at least 20-25 psi of refrigerant in the system, it will NOT come on ever.
Pressure is good, no power from cable, fuse is good
You can't tell if pressure is 'good' without the system running.

You have an ambient temp sensor and a main operating pressure sensor to mess things up as well.
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