Operation CHARM: Car repair manuals for everyone.

Auto Setting

The blower motor turns ON. The heater and A/C programmer automatically controls the blower speed. The driver may override the automatic blower control by pressing the fan speed switch.

The heater and A/C programmer evaluates the information supplied by the following components:
^ The heater and the A/C control
^ The network of sensors

The heater and A/C programmer determines whether one of the following modes is required:
^ MID/FLOOR
^ MID
^ FLOOR

The programmer energizes the mode actuator to enter this mode.

The information that is supplied to the programmer determines whether the system will draw the outside air in or recirculate the inside air.