Condition | Possible Sources | Actions |
|---|---|---|
Reduced outlet airflow | Plugged cabin air filter | INSPECT the cabin air filter. REFER to: Cabin Air Filter (412-00 Climate Control System - General Information, Removal and Installation). If OK, DIAGNOSE for low refrigerant charge, A/C always commanded on or blower motor not operating correctly. |
Improper refrigerant level | CARRY OUT the refrigerant system tests. REFER to: Refrigerant System Tests - 2.3L EcoBoost (201kW/273PS) (412-00 Climate Control System - General Information, General Procedures). REFER to: Refrigerant System Tests - 3.7L Duratec (227kW/301PS) (412-00 Climate Control System - General Information, General Procedures). REFER to: Refrigerant System Tests - 5.0L 32V Ti-VCT (412-00 Climate Control System - General Information, General Procedures). REFER to: Refrigerant System Tests - 5.2L 32V Ti-VCT (412-00 Climate Control System - General Information, General Procedures). If refrigerant charge is OK, GO to Pinpoint Test H | |
Blower motor | GO to Pinpoint Test K | |
The air inlet door is inoperative | Refer to Pinpoint Test | GO to Pinpoint Test D |
Incorrect or erratic direction of airflow from outlets | Refer to Pinpoint Test | GO to Pinpoint Test E |
Insufficient, erratic or no heat | Refer to Pinpoint Test | GO to Pinpoint Test F |
The A/C is inoperative | Refer to Pinpoint Test | GO to Pinpoint Test G |
The A/C is always on — A/C mode always commanded ON | Refer to Pinpoint Test | GO to Pinpoint Test H |
Temperature control is inoperative/does not operate correctly | Refer to Pinpoint Test | GO to Pinpoint Test I |
The blower motor is inoperative | Refer to Pinpoint Test | GO to Pinpoint Test J |
The blower motor does not operate correctly | Refer to Pinpoint Test | GO to Pinpoint Test K |
Insufficient A/C cooling | Improper refrigerant level | CARRY OUT the refrigerant system tests. REFER to: Refrigerant System Tests - 2.3L EcoBoost (201kW/273PS) (412-00 Climate Control System - General Information, General Procedures). REFER to: Refrigerant System Tests - 3.7L Duratec (227kW/301PS) (412-00 Climate Control System - General Information, General Procedures). REFER to: Refrigerant System Tests - 5.0L 32V Ti-VCT (412-00 Climate Control System - General Information, General Procedures). REFER to: Refrigerant System Tests - 5.2L 32V Ti-VCT (412-00 Climate Control System - General Information, General Procedures). If OK, DIAGNOSE for a temperature door actuator not operating correctly. |
Temperature door actuator | GO to Pinpoint Test I |
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.