When Monitored and Set Condition
- When Monitored: With the engine running and no fault in the throttle valve actuator.
- Set Condition: The ECT Sensor value is more than 170°C (338°F) for more than 1 second.
| Possible Causes |
| ENGINE COOLANT TEMPERATURE SENSOR SIGNAL CIRCUIT SHORT TO GROUND |
| ENGINE COOLANT TEMPERATURE SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE |
| IMPROPER COOLANT LEVEL |
| ENGINE COOLANT THERMOSTAT |
| ENGINE COOLANT TEMPERATURE SENSOR |
| POWERTRAIN CONTROL MODULE |
For a complete Powertrain Control Module Circuit Diagram, (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .