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 OF time (A + B).

The blower motor controller controls the blower motor speed.

Wiring Diagram:

INSPECTION PROCEDURE

HINT:
- AUTO A/C: Start inspection from step 1.
- MANUAL A/C: Start inspection from step 2.

Step 1:

Step 1(Continued)-2:

Step 2(Continued)-4:

Step 4(Continued)-6:

Step 6(Continued)-7:

Step 7(Continued):