2006 Lexus SC 430 — Service Manual
Home >> Lexus >> 2006 >> SC 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Testing and Inspection >> Component Tests and General Diagnostics >> Compressor Magnetic Clutch Circuit

Compressor Magnetic Clutch Circuit

COMPRESSOR CIRCUIT

CIRCUIT DESCRIPTION

The A/C amplifier outputs the magnet clutch ON signal to the ECM by way of MPX line. The ECM receives this signal, and it sends a signal from terminal ACMG to the magnet clutch relay, turning the magnet clutch ON.

Wiring Diagram:






Step 1-3:




Step 4:




Step 5:




INSPECTION PROCEDURE