The air temperature door is a mechanical cable operated door.

Schematic Reference

HVAC Schematics

Connector End View Reference

Component Connector End Views

Description and Operation

Electrical Information Reference

Scan Tool Reference

Control Module References for scan tool information

1. Start the engine, place the mode switch in the Vent position. Place the blower motor in the high speed position and the air temperature to the coldest setting. The A/C compressor clutch should engage.

⇒	If the HVAC compressor clutch does not engage , refer to the Air Conditioning Compressor Malfunction .

2. Ignition ON, place the blower switch in each speed position, the blower motor should operate in each speed.

⇒	If the blower motor does not function properly in each speed position, refer to Blower Motor Malfunction .

3. Place the recirculation switch in each position. The recirculation door should move from the outside air position to the recirculate position.

⇒	If the recirculation door does not function properly in each position, refer to Air Recirculation Malfunction .

4. Inspect the air temperature door for the following conditions:

•	High effort to operate the air temperature door

•	Broken or binding linkages

•	An obstruction that prevents the air temperature door from moving it's full range

•	Missing seals to the air temperature doors

•	Misaligned seals to the air temperature door

⇒	If any of the above conditions exist, refer to the appropriate corrective action.