Blower Motor: Testing and Inspection

FRESH AIR RECIRCULATION SWITCHING ACTUATOR







The intake selection switch is located on the control panel. Pressing the switch will shift between recirculation and fresh air modes.

BLOWER MOTOR CHECKING (AUTOMATIC)
Connect battery voltage and check blower motor rotation.

POWER TR CHECKING
Operating the blower switch as AUTO=>LOW=>HIGH=>AUTO, and measure voltage between pins 1 and 2.







CHECK

BLOWER MOTOR CHECKING (MANUAL)




Connect the battery voltage and check the blower motor rotation.