Home >> Ford >> 2003 >> Explorer 4.0 K, RWD >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System - Climate Control System >> Diagnosis And Testing >> Climate Control System >> Pinpoint Tests >> Pinpoint Test X: The Temperature Control Is Inoperative Using The Rear Auxiliary Climate Controls >> Possible Causes