Symptom Chart

NOTE: Some PCM DTCs may inhibit air conditioning (A/C) operation. If any PCM DTCs are retrieved, diagnose those first. Refer to INTRODUCTION - GASOLINE .

SYMPTOM CHART

Condition	Possible Sources	Action
The blower motor is inoperative	Fuse Circuit(s) Blower motor Blower switch Blower motor resistor	GO to PINPOINT TEST A .
The blower motor does not operate correctly	Circuit(s) Blower switch Blower motor resistor	GO to PINPOINT TEST B .
The air conditioning (A/C) is inoperative/does not operate correctly	Fuse Circuit(s) A/C clutch air gap A/C compressor clutch A/C control relay A/C dual-function pressure switch A/C cycling switch Powertrain control module (PCM) Function selector switch	GO to PINPOINT TEST C .
The air conditioning (A/C) is inoperative - defrost and floor/defrost modes only	Circuit(s) Function selector switch	GO to PINPOINT TEST D .
The air conditioning (A/C) is always on	Circuit(s) Function selector switch A/C clutch air gap	GO to PINPOINT TEST E .
The air inlet door is inoperative	Circuit(s) Function selector switch Broken/binding air inlet door/actuator	GO to PINPOINT TEST F .
Air conditioning (A/C) and RECIRC modes are inoperative	Fuse Circuit(s) Function selector switch	GO to PINPOINT TEST G .
Temperature control/function selector is inoperative	Function selector switch/cable assembly Temperature selector switch/cable assembly Airflow mode door/temperature blend door actuating assembly	GO to PINPOINT TEST H .