Control Assembly: Description and Operation

DESCRIPTION

NOTE: ATC A/C-heater control shown. MTC A/C-heater control similar.





The front A/C-heater control (1) is located at the center of the instrument panel and uses electrical controls (2 thru 15). These controls provide the vehicle operator with a number of setting options to help control the climate and comfort within the vehicle Automatic Temperature Control (ATC) - Dual Zone - Description and Manual Temperature Control (MTC) - Dual Zone - Description.

The front A/C-heater control allows both the driver and the front seat passenger the ability to individually regulate air temperature for their side of the vehicle. All controls are identified by ISO graphic symbols.

The front A/C-heater control must be recalibrated each time an actuator motor or the A/C-heater control is replaced Procedures.

Prior to replacing an A/C-heater control, check for any diagnostic trouble codes (DTCs) related to the heating-A/C system using a scan tool.

The A/C-heater control cannot be repaired and the entire A/C-heater control must be replaced if found inoperative or damaged.