Power Supply and Ground Circuit For Front Air Control
POWER SUPPLY AND GROUND CIRCUIT FOR FRONT AIR CONTROLDescription
COMPONENT DESCRIPTION
FRONT AIR CONTROL
The front air control has a built-in microcomputer which processes information sent from temperature control dial and various switches needed for air conditioner operation. The air mix door motor, mode door motor, intake door motor, blower motor and compressor are then controlled.
POTENTIO TEMPERATURE CONTROL (PTC)
The PTC is built into the front air control.
Component Function Check
COMPONENT INSPECTION
SYMPTOM: A/C system does not come on.
INSPECTION FLOW
Step 1-4:
Diagnosis Procedure
DIAGNOSIS PROCEDURE FOR A/C SYSTEM
SYMPTOM: A/C system does not come on.
Step 1-2:
