Symptom Chart: Climate Control - Electronic Manual Temperature Control (EMTC)
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to: Diagnostic Methods .
Symptom Chart
| Condition | Possible Sources | Actions |
|---|---|---|
| A module does not communicate with the diagnostic scan tool | Fuse(s) Wiring, terminals or connectors |
REFER to: Communications Network . |
| Externally Controlled Variable Displacement Compressor (EVDC) poor performance/does not operate correctly | Refer to Pinpoint Test | GO to Pinpoint Test N |
| Unable To Duplicate The Customer Concern And No Diagnostic Trouble Codes (DTCs) Present | Refer to Pinpoint Test | GO to Pinpoint Test C |
| Reduced outlet airflow | Plugged cabin air filter | INSPECT the cabin air filter. Refer to: Cabin Air Filter . 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) . Refer to: Refrigerant System Tests - 3.7L Duratec (227kW/301PS) . Refer to: Refrigerant System Tests - 5.0L 32V Ti-VCT . Refer to: Refrigerant System Tests - 5.2L 32V Ti-VCT . 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) . Refer to: Refrigerant System Tests - 3.7L Duratec (227kW/301PS) . Refer to: Refrigerant System Tests - 5.0L 32V Ti-VCT . Refer to: Refrigerant System Tests - 5.2L 32V Ti-VCT . If OK, DIAGNOSE for a temperature door actuator not operating correctly. |
| Temperature door actuator | GO to Pinpoint Test I | |
| A/C pressure relief valve discharging | A/C pressure relief valve | CHECK the high side system pressure. Refer to: Specifications . If the pressure is below the A/C pressure relief valve open pressure, INSTALL a new A/C pressure relief valve. Refer to the appropriate Climate Control Systems article for the procedure. |
| High system pressure | CHECK the high side system pressure. Refer to: Specifications . If the system pressure is above the A/C pressure relief valve open pressure, REPAIR the A/C system for a restriction. | |
| Climate control does not operate only when remote start is used | IPC information display settings Non-Ford approved remote start system installed |
VERIFY Remote Start - Message Center Set To Auto, or Remote Start - Message Center Set To Last User Settings. Refer to: Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) - System Operation and Component Description . VERIFY module communications network operation. DIAGNOSE Diagnostic Trouble Codes (DTCs) if present. |