AEM AEM Series II New Firmware available
08-05-13, 08:45 PM
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AEM Series II New Firmware available
About two hours ago the new AEM Series II Firmware was officially released. This has been anticipated for over a year. There are a lot of new improvements that make this ECU an even stronger choice for the RX-7 Community. Some of the new features include..
Flex Fuel Control
There are now a second set of Flex Fuel and Ignition maps along with tables that blend between the primary Fuel and Ignition maps and these Flex maps based on the fuel’s ethanol content. Along with the additional Flex Fuel and Ignition maps, there is a Flex O2 Feedback map, a set of Flex Boost Target tables, a Flex Initial Crank Pulse table, a Flex Crank Injector Time table, a Flex Warm Up Enrichment table, and a Flex Accel vs Coolant Temp table. The fuel’s ethanol content is measured by directly connecting to a GM-type fuel composition sensor (FCS).
Dual Fuel/Ignition Maps
All of the Flex maps and tables can also be utilized through a switch input on applications that do not use a FCS.
O2 Lean Out Protection
An O2 Kill Limit table has been added that establishes a maximum allowable AFR based on engine load. When a lean condition is detected, an Engine Protection Rev Limit is enabled. There is also an optional user configurable Engine Protection Output.
Fuel Pressure Protection
The EMS measures fuel pressure using a user assigned 0-5v analog input. A Fuel Pressure Limit table has been added that establishes a minimum allowable fuel pressure based on engine load. When a low pressure condition is detected, a Fuel Pressure Rev Limit is enabled. There is also an optional user configurable Fuel Pressure Output.
Oil Pressure Protection
The EMS measures oil pressure using a user assigned 0-5v analog input. An Oil Pressure Limit table has been added that establishes a minimum allowable oil pressure based on engine speed. When a low pressure condition is detected, an Oil Pressure Rev Limit is enabled. There is also an optional user configurable Oil Pressure Output.
Coolant Temp Protection
New options have been added to introduce a rev limiter if the engine is too hot or too cold.
Knock Control
The EMS can determine which cylinder is detonating depending on when in the engine cycle the knock sensor was sampled. Ignition and fuel trims will be performed on a per-cylinder basis: if only one cylinder is detected as knocking the fuel and ignition for other cylinders (without knock) will not be changed. The EMS checks the knock sensor in between coil firing events and associates that knock value with the cylinder that last fired. Per-cylinder knock detection is only possible with sequential ignition and does not work with wasted spark ignitions or distributors.
Spare Pressure/Temperature Inputs
There are now two additional spare pressure and temperature channels that allow you to view the inputs in engineering units instead of raw voltages. Looking through the software it seems like there is 4 additional pressure inputs and 2 spare temp inputs.
3 Step Limiter
New 3 Step Rev Limit maps gives fuel, ignition, and ignition retard rev limit based on vehicle speed and gear. Intended to help traction-limited vehicles.
Boost Target Trim Table
New Boost Target Trim table has user selectable analog input. Primarily meant to be used with the AEM 12 Position Universal Trim Pot (AEM Part Number 30-2056).
Battery Filter
New Battery Filter option allows end user to select their desired level of filtering for the Battery Voltschannel.
Calibration ID
Calibration notes can now be stored directly within the calibration for easier identification. Limited to 354 characters.
Initial Crank Pulse
Increased maximum Initial Crank Pulse table value from 50mS to 100mS when option Crank Inject All is ON. Maximum initial crank pulse is 50mS when option Crank Inject All is OFF. Increased maximum initial crank pulse of 100mS is primarily to enhance cold climate starting when using an ethanol blended fuel.
Boost Target RPM Table
Boost Target RPM table rpm breakpoints have been increased from 17 to 21.
Accel Fuel
Additional channels added for better accel fuel reporting.
Switch Retard/Shift Cut
Updated setup options along with the addition of a new Shift Cut Time table.
Internal Logging
Slow speed logging channels increased from 8 to 37.
There is a ton more specific stuff that was added but it would take up too much space. I will be glad to get into more specifics if needed.
EB Turbo
Flex Fuel Control
There are now a second set of Flex Fuel and Ignition maps along with tables that blend between the primary Fuel and Ignition maps and these Flex maps based on the fuel’s ethanol content. Along with the additional Flex Fuel and Ignition maps, there is a Flex O2 Feedback map, a set of Flex Boost Target tables, a Flex Initial Crank Pulse table, a Flex Crank Injector Time table, a Flex Warm Up Enrichment table, and a Flex Accel vs Coolant Temp table. The fuel’s ethanol content is measured by directly connecting to a GM-type fuel composition sensor (FCS).
Dual Fuel/Ignition Maps
All of the Flex maps and tables can also be utilized through a switch input on applications that do not use a FCS.
O2 Lean Out Protection
An O2 Kill Limit table has been added that establishes a maximum allowable AFR based on engine load. When a lean condition is detected, an Engine Protection Rev Limit is enabled. There is also an optional user configurable Engine Protection Output.
Fuel Pressure Protection
The EMS measures fuel pressure using a user assigned 0-5v analog input. A Fuel Pressure Limit table has been added that establishes a minimum allowable fuel pressure based on engine load. When a low pressure condition is detected, a Fuel Pressure Rev Limit is enabled. There is also an optional user configurable Fuel Pressure Output.
Oil Pressure Protection
The EMS measures oil pressure using a user assigned 0-5v analog input. An Oil Pressure Limit table has been added that establishes a minimum allowable oil pressure based on engine speed. When a low pressure condition is detected, an Oil Pressure Rev Limit is enabled. There is also an optional user configurable Oil Pressure Output.
Coolant Temp Protection
New options have been added to introduce a rev limiter if the engine is too hot or too cold.
Knock Control
The EMS can determine which cylinder is detonating depending on when in the engine cycle the knock sensor was sampled. Ignition and fuel trims will be performed on a per-cylinder basis: if only one cylinder is detected as knocking the fuel and ignition for other cylinders (without knock) will not be changed. The EMS checks the knock sensor in between coil firing events and associates that knock value with the cylinder that last fired. Per-cylinder knock detection is only possible with sequential ignition and does not work with wasted spark ignitions or distributors.
Spare Pressure/Temperature Inputs
There are now two additional spare pressure and temperature channels that allow you to view the inputs in engineering units instead of raw voltages. Looking through the software it seems like there is 4 additional pressure inputs and 2 spare temp inputs.
3 Step Limiter
New 3 Step Rev Limit maps gives fuel, ignition, and ignition retard rev limit based on vehicle speed and gear. Intended to help traction-limited vehicles.
Boost Target Trim Table
New Boost Target Trim table has user selectable analog input. Primarily meant to be used with the AEM 12 Position Universal Trim Pot (AEM Part Number 30-2056).
Battery Filter
New Battery Filter option allows end user to select their desired level of filtering for the Battery Voltschannel.
Calibration ID
Calibration notes can now be stored directly within the calibration for easier identification. Limited to 354 characters.
Initial Crank Pulse
Increased maximum Initial Crank Pulse table value from 50mS to 100mS when option Crank Inject All is ON. Maximum initial crank pulse is 50mS when option Crank Inject All is OFF. Increased maximum initial crank pulse of 100mS is primarily to enhance cold climate starting when using an ethanol blended fuel.
Boost Target RPM Table
Boost Target RPM table rpm breakpoints have been increased from 17 to 21.
Accel Fuel
Additional channels added for better accel fuel reporting.
Switch Retard/Shift Cut
Updated setup options along with the addition of a new Shift Cut Time table.
Internal Logging
Slow speed logging channels increased from 8 to 37.
There is a ton more specific stuff that was added but it would take up too much space. I will be glad to get into more specifics if needed.
EB Turbo
08-06-13, 03:57 PM
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Do you have a Series II ECU? If you do you can add a flex fuel sensor, make sure your fueling system is capable for flex fuel and you can tune E85 and then for blends of flex. If you are running a Series I, this does not apply to your ECU. You will ne3ed to upgrade to a Series II to take advantage of this firmware update.
EB Turbo
EB Turbo
08-06-13, 07:02 PM
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If you have a kit that came with a flex fuel option/connector all you need to do is plug the sensor in and calibrate the ecu for flex fuel.
EB Turbo
EB Turbo
