Function Explanation (DTC Detection Outline)
- If the engine coolant temperature detected by the ECT sensor is not rising 0.7°C {1°F} or more during a 5 min period after the engine is started, the PCM determines an ECT sensor malfunction and stores a DTC.
COMPONENT OPERATIONS
| Component No | Refer to | ||
|---|---|---|---|
| 1 | Engine coolant temperature detected by ECT sensor | ||
| 2 | Base engine coolant temperature(1) + specified temperature | ||
| 3 | Base engine coolant temperature(1) | ||
| 4 | Normal | ||
| 5 | Abnormal | ||
| 6 | Engine coolant temperature does not increase to standard or more within specified period of time after engine is started | ||
| 7 | Engine start | ||
| 8 | After specified period of time since engine start | ||
| 9 | Time | ||
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