7B
Insufficient velocity of cooled air
For M13 Engine Diagnosis
Condition Possible Cause Action
Insufficient velocity of cooled air
A/C evaporator clogged or frosted
Check A/C evaporator and A/C evaporator thermistor.
Air leaking from cooling unit or air duct
Repair as necessary.
Blower fan motor faulty
Check blower fan motor referring to Heater Blower Motor Inspection .
Wiring or grounding faulty
Repair as necessary.