Conditions for Running the DTC
- The ignition is OFF for more than 10 hours.
- The ECT Sensor parameter minus the IAT Sensor parameter is less than 8°C (14°F) at engine start-up.
- The ECT Sensor parameter is between -30 and +45°C (-22 and +133°F) at engine start-up.
- The system voltage is between 9-18 volts.
- This diagnostic runs once per valid cold start once the above conditions are met.