HVAC Compressor Controls System Check. Pontiac Firefly (Canada) 1998

For 1990-2009 cars only

Makes 🢒 Pontiac 🢒 1998 🢒 Firefly (Canada) 🢒 Engine 🢒 Engine Controls - 1.0L 🢒 HVAC Compressor Controls System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

•	The blower motor runs.

•	The A/C compressor clutch engages.

•	Cold air is delivered to the passenger compartment.

•	The A/C condenser fan motor runs.

•	The A/C compressor control module may cycle the A/C compressor clutch and the A/C condenser fan motor ON and OFF.

•	HVAC Compressor Clutch Does Not Engage

•	TXV Air Conditioning (A/C) System Diagnosis

•	Condenser Fan Inoperative

Turn the A/C switch to the OFF position.

•	The A/C compressor clutch disengages.

•	The A/C condenser fan motor stops running.

•	Condenser Fan Always On

•	HVAC Compressor Clutch Does Not Disengage

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.