7B
Velocity of cooled air is insufficient
For K9K Engine Diagnosis
Condition Possible Cause Action
Velocity of cooled air is insufficient
A/C evaporator clogged or frosted
Check A/C evaporator A/C evaporator temperature sensor.
Air leaking from cooling unit or air duct
Repair as necessary.
Heater blower motor faulty
Check blower motor referring to Heater Blower Motor Inspection .
Wiring or grounding faulty
Repair as necessary.