FixVault

Open Circuit Check

  1. Turn off the ignition switch and disconnect the ECM and FATC controller connector.
  2. Measure resistance between P-CAN HIGH terminal (LOW terminal) of the HVAC Control Module harness connector and P-CAN HIGH terminal (LOW terminal) of the ECM harness connector.

    Specification:  Approx. below 1Ω

  3. Is the measured value within specifications?

    YES 

    NO