Operation CHARM: Car repair manuals for everyone.

Blower Motor: Description and Operation




Blower Motor Control
The A/CCM controls the speed of two blower motors which deliver airflow to the air conditioning unit. The blower motors are regulated by power transistor modules which provide a linear variation of blower speed.

Relationship Manual Control Blower Speed/Voltage


NOTE: Blower motors are inhibited when the engine coolant temperature is below 35 °C and heating is demanded, unless DEFROST is selected.