Oil Level Monitoring
Oil level monitoring is provided by an oil level and temperature sensor that measures the oil level in the sump. The oil level can be displayed in the message center of the instrument cluster.
Oil Level and Temperature Sensor
The oil level and temperature sensor supplies the engine control module (ECM) with a signal containing the level and temperature of the oil in the sump. The oil level and temperature sensor is secured to the bottom of the sump with three screws and sealed with a gasket.
The oil level and temperature sensor sends an ultrasonic pulse vertically upward and measures the time taken for the pulse to be reflected back from the top surface of the oil. This time is compared with the time taken for an ultrasonic pulse to travel a reference distance within the oil level and temperature sensor to determine the oil level. The oil level reading is combined with the oil temperature reading and transmitted in a pulse width modulation (PWM) signal to the engine control module (ECM).
Oil Level and Temperature Sensor Specifications
| Feature | Details |
|---|---|
| Power Source | Battery Voltage |
| Level Accuracy | ±2 mm (±0.08 in.) at temperatures of -30 °C (-22 °F)) and above; (±4 mm (±0.16 in.) at temperatures below -30 °C (-22 °F)) |
| Temperature Accuracy | ±2 °C (±3.6 °F) |
| Operating Level Range | 116 to 147 mm (4.57 to 5.79 in.) |
| Operating Temperature Range | -40 to 160 °C (-40 to 320 °F) |