DTC Set Conditions
- Check Conditions -
Engine coolant temperature was 45°F (7°C) or more immediately before the engine was stopped at the last drive.
- 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 if any of the following conditions are met:
- 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.
- The ECM (M/T) or PCM (A/T) monitors for this condition once during the drive cycle.