Conditions for Setting DTC

The ECT or IAT is less than 20°F (-6.7°C) at engine start-up, and the ECT sensor is 95°F (35°C) or less after running for 20 minutes.
The ECT or the IAT is 20-50°F (-6.7 to 10°C) at engine start-up, and the ECT sensor is 95°F (35°C) or less after running for 5 minutes.
The ECT or the IAT is more than 50°F (10°C) at engine start-up, and the ECT sensor is 95°F (35°C) or less after running for 2 minutes.