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Home >> Toyota >> 2002 >> 4Runner Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Automatic HVAC Systems >> Circuit Inspection >> Compressor Circuit >> Circuit Description

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 ACT and switches the A/C magnetic clutch relay ON, thus turning on the A/C magnetic clutch.

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