Condition Possible Sources Actions only APIM 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 L The air inlet door is Refer to Pinpoint Test GO to Pinpoint Test D inoperative Incorrect or erratic direction of Refer to Pinpoint Test GO to Pinpoint Test E airflow from outlets 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 Refer to Pinpoint Test GO to Pinpoint Test H mode always commanded ON Temperature control is Refer to Pinpoint Test GO to Pinpoint Test I inoperative/does not operate correctly — driver side Temperature control is Refer to Pinpoint Test GO to Pinpoint Test J inoperative/does not operate correctly — passenger side The blower motor is Refer to Pinpoint Test GO to Pinpoint Test K inoperative The blower motor does not Refer to Pinpoint Test GO to Pinpoint Test L operate correctly 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
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Source reference 3453
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.