AUTOMATIC AIR CONDITIONER SYSTEM

AUTOMATIC AIR CONDITIONER

Symptom	Check item	Reference
A/C system does not activate.	Power supply and ground circuit	Diagnosis Procedure
A/C system cannot be controlled.	A/C auto amp.	Diagnosis Procedure
Air outlet does not change. Mode door motor does not operate normally.	Mode door motor	DTC Logic
Discharge air temperature of driver side does not change. The air mix door motor of driver side does not operate normally.	Air mix door motor (driver side)	DTC Logic
Discharge air temperature of passenger side does not change. The air mix door motor of passenger side does not operate normally.	Air mix door motor (passenger side)	DTC Logic
Intake door does not change. Intake door motor does not operate normally.	Intake door motor	DTC Logic
Blower motor operation is malfunctioning.	Blower motor	Diagnosis Procedure
Magnetic clutch does not operate.	Magnetic clutch	Diagnosis Procedure
Insufficient cooling No cool air comes out. (Air flow volume is normal.)	ECV (electrical control valve)	Diagnosis Procedure
	Insufficient cooling	Diagnosis Procedure
Insufficient heating No warm air comes out. (Air flow volume is normal.)	Insufficient heating	Diagnosis Procedure
Noise Noise is heard when the A/C system operates.	Noise	Diagnosis Procedure
Memory function does not operate normally. The setting is not maintained. (It returns to the initial condition)	Memory function	Diagnosis Procedure