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Home >> Scion >> 2013 >> FR-S Standard Trans >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System (For Manual Air Conditioning System) (Diagnostics & Circuit Tests) >> AIR CONDITIONING SYSTEM (for Manual Air Conditioning System) >> Circuit Tests >> Air Conditioning Compressor Magnetic Clutch Circuit >> Description

Air Conditioning Compressor Magnetic Clutch Circuit: Description

When the No. 3 heater control sub-assembly is turned on, a magnetic clutch on signal is sent from the AC terminal of the ECM. Then, the engine room junction block assembly turns on to operate the magnetic clutch assembly.