Fuel Tank Pressure Sensor
A Fuel Tank Pressure Sensor is used to determine the pressure in the fuel tank of a vehicle. This sensor also monitors the vapors in the engine. The information gathered is sent to the Haltech ECU and if there is an issue, then the check engine light will come on. The fuel tank pressure sensor is used to detect leaks as part of the EVAP, or Evaporative Emissions, system.
|
|
Wiring Tab
Connections
Fuel Tank Pressure Input
Select an appropriate input to use for the Fuel Tank Pressure sensor. An AVI (Analogue Voltage Input) or an SPI (Synchronised Pulsed Input) must 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.
Calibration Tab
This allows calibrations for a Fuel Tank Pressure 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 150psi Pressure Sensor.
From the image below:
1 – Selecting the yellow Open icon on the top left will allow the loading of a pre-configured calibration file.
2 – Selecting the blue Disk icon next to the open icon will allow the saving of your custom calibration file.
Display Tab
Warning Maximum
When the Fuel Tank Pressure reads above this amount, any Fuel Tank pressure items on the ESP software will flash Red as a warning of high Fuel Tank pressure.
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 Fuel Tank Pressure Sensor.
Raw Min
When enabled, this allows for the error code C1036 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 C1037 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)
Related Articles
Fuel Tank Pressure Sensor
A Fuel Tank Pressure Sensor is used to determine the pressure in the fuel tank of a vehicle. The fuel tank pressure sensor is used to detect leaks as part of the EVAP, or Evaporative Emissions, system. On this node, the Fuel Tank Pressure sensor ...Dual Fuel Tank Transfer
The Dual Fuel Tank Transfer function enables the transfer of fuel from a secondary fuel tank into a primary fuel tank for dual tank equipped vehicles. Outputs available include the transfer pump, control solenoid and transfer light. Inputs available ...Manifold Absolute Pressure Sensor
The MAP sensor is used to convert the manifold pressure into an electrical signal for the ECU to use. The sensor works in absolute pressures, thus its calibration is not affected by changes in barometric pressure. The vacuum - and in the case of ...Fuel Pressure Sensor
A Fuel Pressure Sensor can be used with your Elite ECU for datalogging, injector pressure differential tuning and for Engine Protection purposes. Page Contents Wiring Tab Connections Fuel Pressure Input Connection Type AVI Pull up SPI Sensor Type ...Dual Fuel Tank Transfer
The Dual Fuel Tank Transfer function enables the transfer of fuel from a secondary fuel tank into a primary fuel tank for dual tank equipped vehicles. Outputs available include the transfer pump, control solenoid and transfer light. Inputs available ...