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Home >> Ford >> 2021 >> Bronco Sport Base >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control System - General Information (2 Of 2) >> Diagnosis And Testing >> Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) >> Symptom Chart: Climate Control - Electronic Manual Temperature Control (EMTC)
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Symptom Chart: Climate Control - Electronic Manual Temperature Control (EMTC)

NOTE: Some Powertrain Control Module (PCM) Diagnostic Trouble Codes (DTCs) may inhibit Air Conditioning (A/C) operation. If any Powertrain Control Module (PCM) Diagnostic Trouble Codes (DTCs) are retrieved, diagnose those first. Refer to the Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Chart.

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods .

Condition Actions
Externally Controlled Variable Displacement Compressor (EVDC) poor performance/does not operate correctly GO to Pinpoint Test B 
A module does not communicate with the diagnostic scan tool Refer to Communications Network .
The temperature control is inoperative/does not operate correctly GO to Pinpoint Test F 
The air inlet door is inoperative GO to Pinpoint Test G 
Incorrect or erratic direction of airflow from outlets GO to Pinpoint Test H 
Insufficient, erratic or no heat GO to Pinpoint Test I 
The A/C is inoperative GO to Pinpoint Test J 
The A/C is always on -- A/C mode always commanded ON GO to Pinpoint Test K 
The blower motor is inoperative GO to Pinpoint Test L 
The blower motor does not operate correctly GO to Pinpoint Test M 
A/C pressure relief valve discharging GO to Pinpoint Test AC 
Insufficient A/C cooling GO to Pinpoint Test AD 
Reduced outlet airflow GO to Pinpoint Test AE 
The electric booster heater is inoperative or does not operate correctly GO to Pinpoint Test AF 
A/C System NVH GO to Pinpoint Test AH