Blower Motor: Testing and Inspection

SYMPTOM: Blower motor does not rotate at all.




INSPECTION FLOW




DIAGNOSTIC PROCEDURE

SYMPTOM: Blower motor does not rotate

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




1. Diagnostic Procedure




2. Check Power Supply For Blower Motor




3. Check Circuit Continuity For Blower Motor




4. Check Blower Motor




5. Check Blower Motor Circuit Between Blower Motor And Resistor




6. Check Circuit Continuity Between Blower Motor Harness Terminals No.2 And Resistor Harness Terminal No.1




7. Check Ground Circuit For Fan Switch




8. Check Resistor After Disconnecting It




9. Check Resistor Harness Connector




10. Check Fan Switch Circuit




11. Check Circuit Continuity Between Fan Switch Harness Terminal And Resistor Harness Terminal




12. Check Fan Switch After Disconnecting It