FixVault

Component Function Check

  1. CHECK REFRIGERANT PRESSURE SENSOR FUNCTION 
      1. Start engine and warm it up to normal operating temperature.
      2. Turn A/C switch and blower fan switch ON.
      3. Check the voltage between ECM harness connector terminals as per the following.
        ECM Condition Voltage
        + -
        Connector Terminal Connector Terminal
        F79 108 (Refrigerant pressure sensor signal) F79 125 [Engine is running]
        • Warm-up condition
        • Idle speed
        • Both A/C switch and blower fan motor switch: ON (Compressor operates)
        1.0 - 4.0 V

    Is the inspection result normal?

    YES>>

    INSPECTION END

    NO>>

    Proceed to Diagnosis Procedure .