Oil Temperature Sensor
An Oil Temperature Sensor can be used with your Elite ECU for datalogging and for Engine Protection purposes. Temperature sensors are typically two wire sensors; a signal wire that is connected to an AVI, and a signal ground wire.
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Page Contents |
Wiring Tab
Options
Input Type
Select the type of Oil Temperature Sensor to be connected.
Analogue Voltage
Selected when the supplied calibration data for the sensor is in voltage. This will require an Analogue Voltage Input (AVI) to be used and configured.
Analogue Resistance
Selected when the supplied calibration data for the sensor is in resistance. This will require an Analogue Voltage Input (AVI) to be used and configured.
Thermocouple Type K
Selected when a thermocouple input is to be used. Typically with a Haltech Thermo Couple Adapter (TCA2 or TCA4).
Connections
Oil Temperature Input
Select an appropriate input to use for the Oil Temperature Sensor. An AVI (Analogue Voltage Input) should be used.
Connection Type
AVI
An AVI (Analogue Voltage Input) is suggested.
Pull up
Enables a 1k pull up resistor to 5V.
Typically the pull up should be enabled with any two-wire temperature sensor, and disabled for sensors with their own voltage supply. If the sensor is being shared with another ECU, such as with a piggyback installation with an OEM ECU, then the other ECU will generally include a necessary pull up and this setting should be set to Disabled.
SPI
An SPI (Synchronised Pulsed Input) can be used where there are no available AVIs.
Sensor Type
Set to Hall Effect for all analogue inputs
Pull up
Enables a weak 10k pull up resistor to 5V.
Typically the pull up should be enabled with any two-wire temperature sensor, and disabled for sensors with their own voltage supply. If the sensor is being shared with another ECU, such as with a piggyback installation with an OEM ECU, then the other ECU will generally include a necessary pull up and this setting should be set to Disabled.
Please note pre installed temperature calibrations will require adjustment if used with an SPI.
Calibration Tab
Available only when the Input Type is set to Analogue Voltage or Analogue Resistance. This allows calibrations for an Oil Temperature Sensor to be loaded or saved. A number of calibrations come pre-installed with the ESP Software package. If your sensor is not listed, a custom calibration can be created with the data provided by the sensor manufacturer. The default calibration will be for the Haltech 150C Oil Temperature Sensor.
From the image below:
*1 – Selecting this yellow Open icon will allow the loading of a pre-configured calibration file.
*2 – Selecting this blue Disk icon will allow the saving of your custom calibration file.
Display Tab
Warning Minimum
When the Oil Temperature reads below this amount, any oil temperature items on the ESP software will flash Red as a warning of low oil temperature.
Warning Maximum
When the Oil Temperature reads above this amount, any oil temperature items on the ESP software will flash Red as a warning of high oil temperature.
Diagnostics Tab
The settings in this tab allow limits to be set for the detection of either fault conditions, or conditions that could be considered to cause engine damage related to the Oil Temperature Sensor.
Raw Min
When enabled, this allows for the error code P0197 to be set when the voltage is below the set amount. This is used to detect a short or disconnection with the wiring. If the Engine Protection function is active a DTC Severity level can be selected for this condition if desired. (Default = Disabled)
Raw Max
When enabled, this allows for the error code P0198 to be set when the voltage is above the set amount. This is used to detect a short or disconnection with the wiring. If the Engine Protection function is active a DTC Severity level can be selected for this condition if desired. (Default = Disabled)
Operating Min
When enabled, this allows for the error code P0195 to be set when the Oil Temperature is below the set amount. If the Engine Protection function is active a DTC Severity level can be selected for this condition if desired. (Default = Disabled)
Operating Max
When enabled, this allows for the error code P0196 to be set when the Oil Temperature is above the set amount. If the Engine Protection function is active a DTC Severity level can be selected for this condition if desired. (Default = Disabled)
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