Compressor Clutch: Testing and Inspection

COMPRESSOR CIRCUIT

CIRCUIT DESCRIPTION
The A/C amplifier outputs the magnetic clutch ON signal from terminal AC1 to the ECM receives this signal, it sends a signal from terminal ACMG and switches the magnetic clutch relay ON, thus turning on the magnetic clutch.

Wiring Diagram:

Step 1 - 3:

Step 4 - 6:

Step 7:

INSPECTION PROCEDURE

HINT: When using the hand-held tester, start inspection step 1 and when not using the hand-held tester, start from step 2.