Rear Blower Motor Speeds Incorrect - MTC
Test 1-2:
Test 3-5:
Test 5-9:
Test 10:
SYMPTOM
REAR BLOWER MOTOR SPEEDS INCORRECT - MTC
POSSIBLE CAUSES
- Rear blower rear control switch
- Rear blower motor driver circuit(s) shorted to ground
- A/C - heater control module
- Rear blower rear control switch
- Rear blower motor driver circuit(s) shorted to voltage
- Rear blower motor front control feed circuit shorted to voltage
- Rear blower driver CKT(s) shorted to rear blower front control feed CKT
- Rear blower motor driver circuits shorted together
- A/C - heater control module
- Rear blower motor driver circuit(s) open
- Rear blower motor resistor block