Grand Caravan V6-3.3L VIN R (2005)
Test 3 - 5
SYMPTOM
FRONT BLOWER MOTOR SPEEDS INCORRECT - 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 module - speeds incorrect
-
Blower motor driver circuit(s) open
-
Blower motor resistor block - open speed
HVAC System Test - MTC