Low or No A/C Output

SYMPTOM DESCRIPTION:

Poor Air Conditioning performance.

CAUSE/REMEDY:

^ REFRIGERANT LEVEL INCORRECT. Check the A/C system for leaks, replace the receiver drier, and refill the system.
^ EXPANSION VALVE OR OTHER A/C COMPONENTS DEFECTIVE.
^ EVAPORATOR TEMPERATURE SENSOR DEFECTIVE.

SYMPTOM DESCRIPTION:

Cooling capacity diminishes after some time. Air flow from the center and lateral outlets is reduced. Ice vapor comes from the center outlets.

CAUSE/REMEDY:

^ EVAPORATOR TEMPERATURE SENSOR IS SHORTED. Replace the evaporator sensor as necessary.
^ EXPANSION VALVE DEFECTIVE. Replace as necessary.

SYMPTOM DESCRIPTION:

No A/C output

CAUSE/REMEDY:

^ COMPRESSOR CUTOUT CONTROL UNIT OR SYSTEM DEFECTIVE.
^ DOUBLE FUNCTION SWITCH IN RECEIVER DRIER DEFECTIVE.
^ DEFECTIVE A/C COMPRESSOR OR ELECTRO-MAGNETIC CLUTCH.
^ OPEN CIRCUIT AT EVAPORATOR TEMPERATURE SENSOR.
^ CLIMATE CONTROL UNIT DEFECTIVE.