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Blower Motor: Testing and Inspection

TROUBLE DIAGNOSIS PROCEDURE FOR BLOWER MOTOR SYMPTOM:
- Blower motor does not rotate at all.




INSPECTION FLOW




Steps 1 - 2:




Steps 3 - 5:




Steps 6 - 9:




Steps 10 - 12:




BLOWER MOTOR CIRCUIT SYMPTOM:
- Blower motor does not rotate.







ELECTRICAL COMPONENTS INSPECTION
Fan Control Switch

Check continuity between terminals at each switch position.

Blower Motor
Confirm smooth rotation of the blower motor.
- Ensure that there are no foreign particles inside the intake unit.







Fan Resistor
Check resistance between terminals.