Operation CHARM: Car repair manuals for everyone.

Compressor Clutch: Testing and Inspection

COMPRESSOR CIRCUIT

CIRCUIT DESCRIPTION

This is a driving circuit of the A/C magnetic clutch and controlled by the ECU terminal.
- ACS of the A/C amplifier: Output the A/C switch condition �ON� or "OFF".
- THE of A/C amplifier: Output the request signal to drive the magnetic clutch, and send it to ECM.
- ACMG of ECM: Operates the cooler relay assy and drive the magnetic clutch.

Wiring Diagram:






Step 1 - 3:




Step 4 - 5:




Step 6 - 7:




Step 8 - 9:




INSPECTION PROCEDURE