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Old 06-17-2024, 12:09 PM   #29 (permalink)
loon
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Join Date: Jan 2023
Location: FL
Posts: 31
Drives: 2014 z34 Bl M6
Rep Power: 547
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Reviving this thread to hopefully get some diag help myself.

The A/C Clutch won’t engage when commanded from inside the car.
When using the IPDM test I do hear it toggle on/off.

I think that my problem lies with the outside air temp sensor. It shows an “open circuit” as is indicated by the three blank lines “—-“ on the display. Using a multimeter I determined the sensor is good, and that the return wire doesn’t measure any voltage.

I can’t find where this wire terminates on any of the pinout diagrams, I assume it ends up somewhere in the fuse box or IPDM.

I’m almost certain this is the cause as the a/c stopped working when the damage to the wires happened.

Does anyone know a better way to chase this open circuit down? I’m not the most familiar with electrical work.


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