Rick's Free Auto Repair Advice

Posts Tagged: Toyota no AC

Toyota no AC and B1479 trouble code

Diagnose and fix Toyota no AC Late model Toyota vehicles use a refrigerant flow sensor in addition to the normal low and high pressure switches. The flow sensor is located in the AC compressor. The ECM uses information from the flow sensor to vary engine idle speed to prevent stalling. If the sensor is bad, the AC amplifier won’t send the proper digital signal to the ECM and the ECM won’t engage the AC compressor clutch. You wind up with a Toyota no AC condition. Toyota no AC symptoms The … Read More

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