Oil Metering Pump
The Oil Metering Pump function allows for control of the stepper motor controlled oil injection system used on some Mazda Rotary engines. This provides a feedback signal to let the Elite ECU know the position of the valve, and a stepper motor output to control the motor. A 3D table is provided for tuning of the amount of oil to be injected.
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Page Contents |
Wiring Tab
Connections
Feedback Input
Select an appropriate input to use for the Brake Pressure Sensor. An AVI (Analogue Voltage Input) should be used.
Output
The stepper motor outputs are the only available selection for this function.
Drive Type
The Mazda stepper motor will use Low Side. (Default = Low Side)
Range
The amount of steps that move the valve from 0% to 100% open. (Default = 200)
Max Speed
The maximum speed in steps per second that the motor can move without loosing track of its position. (Default = 50)
Invert
Select when you require the valve to move in the opposite direction. (Default = Disable)
Oil Metering Tab
This allows for calibration of the fully closed and fully open positions of the motor. The voltage can be viewed by monitoring the AVI channel selected for the Feedback Input.
Minimum Voltage
The voltage read by the sensor when the motor has fully closed the valve. This will be considered 0% open.
Maximum Voltage
The voltage read by the sensor when the motor has fully opened the valve. This will be considered 100% open.
Related Tables
Oil Metering Pump – Target Position
Typically mapped over 3D with RPM and Engine Load, this table will be position of the valve from 0 to 100%. Low air flow conditions will use small values, and high airflow conditions will use large values. Up to 3D mapping is available.
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