My wifes CRD A/C won't work. The clutch will not ingage. I looked at the service manual and saw where the Diesel models have input or output to the ECM. Has anyone had this problem? I gave the system some R134 so don't think its the hi/low pressure switches. I swapped the A/c relay and checked the fuse all were good.

Thanks

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John
2 X 2006 CRD Sport
Mine Light Blue, Hers Dark Blue
GDE ECO Tune
Fumoto
Samco Hoses

I had a problem in this area with my 2002 Export CRD....had to replace both wires going from the AC relay to the clutch...fortunately had the circuit diagrams.

You will need to trace the problem down with a Multimeter...maybe the high/low pressure sensors have gone faulty...I have seen one post where this was the case.....maybe the clutch coil has burnt out

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2002 Export CRD 2.5 Sport

I'm thinking the clutch coil is the culprit

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John
2 X 2006 CRD Sport
Mine Light Blue, Hers Dark Blue
GDE ECO Tune
Fumoto
Samco Hoses

I had this problem, twice. My issue was a low pressure switch.

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Mike Rausch
Bear, Delaware
2006 Liberty Sport CRD 253K

will look at the LP switch again and see if I missed anything.

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John
2 X 2006 CRD Sport
Mine Light Blue, Hers Dark Blue
GDE ECO Tune
Fumoto
Samco Hoses