Conditions for Setting the DTC
- No excessive load on the engine running.
- Intake air temperature (IAT) decrease compared to starting IAT is greater than -10°C (-18°F), or 10°C (18°F) during the Federal Test Procedure -75 (FTP-75).
- Starting coolant temperature is between -10°C (14°F) and75°C (167°F).
- Starting intake air temperature is higher than -10°C (14°F).
- ECT signal value is less than 75°C (167°F) when the compensated coolant temperature is over 85.5°C (185.9°C)