Manual Air Conditioning

TROUBLE DIAGNOSIS PROCEDURE FOR A/C SYSTEM

Symptom:
- A/C system does not come on.

Inspection Flow:

MAIN POWER SUPPLY AND GROUND CIRCUIT CHECK

Power Supply Circuit Check for Manual A/C System
Check power supply circuit for manual air conditioning system.








A/C System Circuit

SYMPTOM:
- A/C System does not come on.

CONTROL SYSTEM-A/C CONTROL UNIT
The A/C control unit has a built-in microcomputer which processes information needed for air conditioner operation. The mode door motor, intake door motor, front blower motor and compressor are then controlled.