DTC Set Conditions
- Check Conditions -
Engine coolant temperature was 45°F (7°C) or more immediately before the engine was stopped during the last drive cycle. Engine coolant temperature was 45°F (7°C) or more when the engine started.
- Judgement Criteria
Engine coolant temperature fluctuates within 1.8°F (1°C) after 5 minutes have passed since the engine was started. However, time is not counted during the following conditions:
- Intake air temperature is 140°F (60°C) or more.
- Volume air flow sensor output frequency is 70 Hz or less.
- During fuel shut-off operation.
Only one monitor during each drive cycle.