FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Blower Motor Circuit

Blower Motor Circuit

DESCRIPTION




The blower motor is operated by signals from the A/C amplifier. The blower motor speed is controlled using various duty ratios.
Duty Ratio: The duty ratio is the ratio of the blower motor ON time (A) to the total of the blower motor ON and OFF time (A + B).
The blower motor controller controls the blower motor speed.

Wiring Diagram:






Step 1:




Step 1(continued)-3:




Step 4-5:




Step 6-7:




Step 7(continued):




INSPECTION PROCEDURE