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HVAC Compressor Clutch Does Not Engage

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Test Description 

The numbers below refer to the step numbers on the diagnostic table.

2. The A/C compressor relay output is disabled if engine coolant temperature is above 121°C (250°F).

5. The HVAC control assembly is inoperative when the assembly does not respond to any operator control requests.

Fig 1: HVAC Compressor Clutch Does Not Engage (1 Of 5)
G01269522Courtesy of GENERAL MOTORS CORP.
Fig 2: HVAC Compressor Clutch Does Not Engage (2 Of 5)
G01269523Courtesy of GENERAL MOTORS CORP.
Fig 3: HVAC Compressor Clutch Does Not Engage (3 Of 5)
G01269524Courtesy of GENERAL MOTORS CORP.
Fig 4: HVAC Compressor Clutch Does Not Engage (4 Of 5)
G01269525Courtesy of GENERAL MOTORS CORP.
Fig 5: HVAC Compressor Clutch Does Not Engage (5 Of 5)
G01269526Courtesy of GENERAL MOTORS CORP.
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