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Home >> Ford >> 2002 >> Focus SVT >> Repair and Diagnosis >> External Pages >> Different car >> Section 543 (HVAC System-General Information) >> Diagnosis And Testing >> Climate Control System >> Symptom Chart
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Symptom Chart

WARNING: This page is about a different car, the 2004 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM

Condition Possible Sources Action
  • The heater blower motor is inoperative/does not operate correctly
  • Fuse(s).
  • Circuit(s).
  • Heater blower motor.
  • Heater blower switch.
  • Heater blower series resistor.
  • The heater blower motor running continuously
  • Circuit(s).
  • Heater blower switch.
  • The air conditioning (A/C) is inoperative
  • Fuse(s).
  • Circuit(s).
  • A/C compressor clutch diode.
  • A/C compressor
  • clutch.
  • A/C wide open throttle (WOT) relay.
  • Refrigerant level.
  • Dual pressure switch.
  • A/C compressor cycling switch.
  • Powertrain control module (PCM).
  • Heater control module.
  • Insufficient air conditioning (A/C) cooling (A/C compressor clutch is working correctly)
  • Engine cooling fan.
  • Refrigerant level.
  • A/C circuit.
  • REFER to WDS for additional engine management diagnostics.
  • CHECK the refrigerant level with the R-134a refrigerant center and REPAIR the system if necessary.