Air Conditioning Problem

Tiny
SOSUME
  • MEMBER
  • DODGE DURANGO
2002 Dodge Durango XLT 4.7L

I have narrowed the problem down to the relay that turns the air compressor on. The PCM should ground one leg of the relay to close the contact which supplies voltage to the compressor. This problem is intermittent. My question is, is there a sensor telling the PCM not to activate the relay or is there a problem with the PCM?

If I ground the coil on the relay the AC runs fine.
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Monday, March 26th, 2007 AT 11:07 AM

3 Replies

Tiny
MERLIN2021
  • EXPERT
Any codes showing?
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Saturday, March 31st, 2007 AT 10:51 PM
Tiny
SOSUME
  • MEMBER
Don't know. I don't have the equipment to check the on-board computer.
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Tuesday, April 10th, 2007 AT 2:51 PM
Tiny
BENDARE2
  • MEMBER
.

Take it to 'auto zone'. They will scan for codes for you.

. Good luck. Ol'Ben
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Friday, April 13th, 2007 AT 7:18 PM

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