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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC Systems (Service Information) >> Plumbing >> Compressor, A/C >> Diagnosis and Testing >> A/C Clutch >> Coil Resistance Test

Coil Resistance Test

  1. Disconnect and isolate the negative battery cable.
  2. Disconnect the wire harness connector from the A/C clutch coil connector.
  3. Use an ohmmeter and Back Probe Tool 6801, measure the resistance of the A/C clutch coil at the coil connector terminals.
  4. See the A/C Clutch Coil Specifications chart for the acceptable A/C clutch coil resistance. Specifications apply for a work area temperature of 21° C (70° F).
    1. If the A/C clutch coil reading is below specifications, the coil is shorted and must be replaced.
    2. If the A/C clutch coil reading is above specifications, the coil is open and must be replaced.
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