Symptom Chart: Climate Control - Electronic Manual Temperature Control (EMTC)

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.

SYMPTOM CHART

Condition	Possible Sources	Actions
Unable to duplicate the customer concern	Refer to Diagnostic Routine	GO to Pinpoint Test C
Reduced outlet airflow	Refer to Diagnostic Routine	If the A/C is always ON with mode selection switch turned OFF and PCM DTC P1464 is not present, GO to Pinpoint Test H If the A/C is always ON with mode selection switch turned OFF and PCM DTC P1464 is present, GO to Pinpoint Test I If the A/C turns on and off normally with the mode selection switch GO to Pinpoint Test L
The air inlet door is inoperative	Refer to Diagnostic Routine	GO to Pinpoint Test D
Incorrect/erratic direction of airflow from outlets	Refer to Diagnostic Routine	GO to Pinpoint Test E
Insufficient, erratic or no heat	Refer to Diagnostic Routine	GO to Pinpoint Test F
The Air Conditioning (A/C) is inoperative	Refer to Diagnostic Routine	GO to Pinpoint Test G
The Air Conditioning (A/C) is always on	Refer to Diagnostic Routine	GO to Pinpoint Test H
The Air Conditioning (A/C) is always on - Air Conditioning (A/C) mode always commanded ON	Refer to Diagnostic Routine	GO to Pinpoint Test I
Temperature control is inoperative/does not operate correctly	Refer to Diagnostic Routine	GO to Pinpoint Test J
The blower motor is inoperative	Refer to Diagnostic Routine	GO to Pinpoint Test K
The blower motor does not operate correctly	Refer to Diagnostic Routine	GO to Pinpoint Test L
Air Conditioning (A/C) pressure relief valve discharging	High system pressure Air Conditioning (A/C) pressure relief valve	CHECK the high-side system pressure. If the pressure is below the A/C pressure relief valve open pressure, INSTALL a new A/C pressure relief valve. If the system pressure is above the A/C pressure relief valve open pressure, REPAIR the system for a restriction.