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Home >> Lexus >> 2000 >> ES 300 V6-3.0L (1MZ-FE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Compressor HVAC >> Compressor Clutch >> Testing and Inspection >> Compressor Circuit
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Compressor Circuit

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

Wiring Diagram:






Steps 1 - 2:




Steps 3 - 5:




Steps 6 - 7:




Steps 8 - 9:




INSPECTION PROCEDURE