B1479 Refrigerant flow sensor circuit fault. The A/C amplifier reads an abnormal refrigerant flow signal from the compressor

Category
Body
Severity
Body Warning Light
Applies to
Toyota, Lexus and Scion models that use this code

What does B1479 mean on a Toyota?

B1479. Refrigerant flow sensor circuit fault. The A/C amplifier reads an abnormal refrigerant flow signal from the compressor. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of B1479

How to fix B1479

  1. Confirm the code and read A/C data
  2. Check the refrigerant charge
  3. Inspect and reseat the compressor flow sensor connector
  4. Test the flow sensor circuit and signal
  5. Replace the compressor or sensor only after tests fail