Oil Pressure And Temperature Sensor
The oil pressure and temperature sensor is located at the front of the cylinder block, under the oil filter and housing assembly. The sensor is located in a threaded hole in the cylinder block.
The oil pressure and temperature sensor has a 3-pin connector.
The 3-pin connector provides the following connections:
- A 5V reference voltage from the PCM .
- An oil pressure and temperature signal output to the PCM .
- A ground connection.
The sensor provides a PWM signal that contains information about the self-diagnosis of the sensor, pressure and temperature. The pressure is measured using a piezo-resistive pressure cell and the temperature is measured using an integrated diode.
The sensor measures pressure between 0.5 bar (7.3 psi) to 10.5 bar (152.3 psi) and temperature between -40°C (-40°F) to +150°C (302°F).
The PCM outputs the engine oil pressure state on the FlexRay systems bus for use by the BCM /GWM . The BCM /GWM provides the oil pressure value for the IPC on the High Speed (HS) Controller Area Network (CAN) Human Machine Interface (HMI) systems bus. The signal is used by the IPC to provide oil pressure information to the driver.
In the event of the oil pressure falling below the operating threshold of the sensor:
- The PCM sends a message to display a low oil pressure warning in the IPC message center.
- Illuminates an oil pressure warning indicator in the IPC .