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Blower Speed Does Not Correspond With Control Setting - MTC

Test 1 - 3:




Test 4 - 5:






SYMPTOM
BLOWER SPEED DOES NOT CORRESPOND WITH CONTROL SETTING - MTC

POSSIBLE CAUSES
- Blower motor driver circuit(s) shorted to ground
- Blower motor driver circuit(s) shorted to voltage
- Blower motor driver circuits shorted together
- A/C heater control
- Blower motor driver circuit(s) open
- Blower motor resistor block
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