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Blower Motor Circuit

Blower Motor Circuit

DESCRIPTION




The blower motor is operated by signals from the A/C amplifier. Blower motor speed signals are transmitted by changes in the duty ratio.

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 2-4:




Step 4 (Continued)-6:




Step 7:




Step 8:




INSPECTION PROCEDURE