Compressor Clutch Does Not Engage

HVAC COMPRESSOR CLUTCH DOES NOT ENGAGE (2.2L)

TEST DESCRIPTION

Steps 1 - 3:

Steps 4 - 6:

Steps 7 - 9:

Steps 10 - 12:

Steps 13 - 16:

Steps 17 - 22:

Steps 23 - 29:

Steps 30 - 35:

Steps 36 - 41:

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).
3. Placing the mode switch in any position other than OFF, along with placing the air temperature control switch in a cold setting, activates A/C operation. For the purpose of this and future steps where A/C operation is necessary, bi-level mode is used for consistent testing.
6. The HVAC control assembly is inoperative when the module does not respond to any operator control requests.