Compressor Clutch Does Not Engage
TEST DESCRIPTIONSteps 1-7:
Steps 8-15:
Steps 16-27:
Steps 28-37:
The numbers below refer to the step number(s) on the diagnostic table.
2. The A/C compressor relay output is disabled if engine coolant temperature is above 124°C (256°F).
5. The HVAC control assembly is inoperative when the assembly does not respond to any operator control requests.
For a description of the RPO Code(s) shown in this article/images refer to the RPO Code List found at Vehicle/Application ID. RPO Codes