28 A/C Switch and A/C Compressor Clutch Relay System

INSPECTION PROCEDURE 28 A/C switch and A/C compressor clutch relay system

Description
When an A/C ON signal is input to the ECM, the ECM carries cut control of the idle air control motor, and also operates the A/C compressor magnetic clutch

Probable cause
- Malfunction of A/C control system
- Malfunction of A/C switch
- Improper connector contact, open circuit or short-circuited harness wire
- Malfunction of the ECM





Diagnosis