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Compressor Clutch Does Not Engage

TEST DESCRIPTION

Steps 1-8:




Steps 9-19:




Steps 20-31:




Steps 32-40:




The numbers below refer to the step numbers on the diagnostic table.
4. The HVAC control assembly is inoperative when the module does not respond to any operator control requests.
21. When the blower motor is in the OFF position, a voltage is applied to the OFF blower motor control circuit. The A/C system will not operate if a voltage is applied to the OFF blower motor control circuit.
26. Ensure to test both A/C request circuits that connect to the A/C high pressure switch.