AEM Infinity 506 Series Standalone Engine Management System
AEM INFINITY 506 STAND ALONE ENGINE MANAGEMENT SYSTEM
Fits ALL Scion Models w/ Manual Transmission (we recommend Boomslang Harness for PNP)
THE SERIES 5 PLATFORM
The Infinity 506 and Infinity 508 ECUs are affordable state-of-the-art engine control units designed for four- and six-cylinder racing engines (typically Infinity 506), and racing engines with up to 8 cylinders that are using high-impedance injectors (Infinity 508). A Powersports version is available for Polaris RZR 900, 1000 and XP Turbo applications (PN 30-7112). The Series 5 features a smaller footprint than the Infinity Series 7 at 5.855” x 5.55” x 1.8”, and has a single, weatherproof 80-pin connector.
The Infinity 506 is designed for racing engines with up to 6 cylinders.
SELECTING THE RIGHT INFINITY ECU
Infinity ECU modules are designed for maximum flexibility across many types of applications. ECU modules and harnesses are sold separately for both Supported and Plug & Play applications. Choose the ideal Infinity ECU based on your application’s ignition and fuel injector output requirements using the Infinity Specifications Chart, and then choose between our available Plug & Play or Universal harnesses to create the Infinity solution that suits your specific needs.
SUPPORTED vs. PLUG & PLAY APPLICATIONS
The Infinity ECU delivers comparable tuning functionality regardless of application type. It is available for a wide variety of applications in two distinct forms:
- Infinity Supported applications refer to an engine family or cam/crank pattern for which the Infinity ECU has been tested and validated to run. However, certain ancillary vehicle systems (such as factory instrument clusters, automatic transmissions, and certain drive by wire throttles), may not be supported.
- The setup Wizard included with the InfinityTuner user interface software dramatically simplifies initial tuning configuration to help ensure successful initial startup for Supported applications.
- Wiring is required for Supported applications. AEM offers Universal wiring harnesses in several iterations and detailed application-specific wiring instructions/schematics.
Plug & Play Applications
Infinity Plug & Play applications are available for select vehicles. Plug & Play applications support a vehicle’s engine and most other ancillary vehicle systems, and include application-specific start up calibrations. The Infinity Plug & Play harness (sold separately) connects directly into the vehicle’s factory ECU harness and requires no additional wiring.
200MHz Processor and Real Time Operating System
Late model vehicle ECU’s all run on faster processors. The Infinity ECU is built around a latest-generation 32 bit floating point 200MHz automotive processor and Real Time Operating System (RTOS), which is capable of processing 400 MIPS (millions of instructions per second). By comparison, common competitive systems typically use 20MHz to 50MHz processors. To our knowledge, the Infinity ECU currently has the fastest processing speed of any aftermarket Motorsports ECU available. This allows the Infinity to do more, faster, in a more stable programming environment.
- The Infinity’s 200MHz processor and RTOS makes the Infinity more responsive, for a better driving experience
- The Infinity’s 200MHz processor and RTOS allows for more accurate ignition timing, which enables an engine to create more power
- The Infinity’s faster processor allows it to perform more computational features with no sacrifice in processing performance
- The Infinity’s RTOS ensures strategic processing with optimized load balancing. This means that tuning one feature will not affect the performance of another feature
All Infinity ECU’s come fully enabled, without the need for feature add-on purchases. Combined with AEM’s industry-leading after-purchase support system, including free technical support, the Infinity is the ultimate engine control solution for both professional race teams and weekend track cars.
PROFESSIONAL TUNER TRAINING
Training for the Infinity ECU is available to professional tuners. Contact sales at AEM Performance Electronics at firstname.lastname@example.org or call (310) 484-2322.
The Infinity Series 5 include all of the advanced features found in the Infinity Series 7 including the latest generation 200 MHz automotive processor that can process 400 MIPS. Airflow model-based (VE) tuning eliminates lookup of many correction tables needed in previous generation ECUs. Flex-fuel and multi-fuel capability, on-board wideband air/fuel control, map switching and knock control are included. Engine protection strategies include coolant temp, oil temp, AFR vs. MAP, intake air temp, knock and fuel pressure. Programmable drive-by-wire, variable cam timing, boost control, nitrous control and 2-wheel speed-based traction control are included. Data logging up to 64 GB via a removable USB drive is standard with logging rates up to 1 KHz per channel. The Infinity Series 5 is able to communicate with 3rd party dashes and loggers and is AEMnet enabled. All maps can be password protected. Its sealed enclosure and IP67-rated communications ports are suitable for engine bay mounting.
AEM offers a universal flying lead harness and a Plug & Pin Kit for the Infinity Series 5. Plug & Play adapter harnesses are available for select 4- and 6-cylinder applications. Please visit the Plug & Play section of the website for more information.
- Airflow model based (VE) tuning
- ECU Set Up Wizard simplifies start up
- Flex fuel compatible
- Multi fuel capable
- Drive by wire
- Variable valve control
- Multiple boost control strategies
- Nitrous control
- Wheel speed-based traction control
- Map switching (on-the-fly)
- Dual internal Lambda controllers
- Dual knock sensing circuits
- Data logging up to 64GB, up to 100 channels at 1KHz
- Outputs to 3rd party dashes and data loggers
- Industry leading data transfer speed (up to 480Mb/sec)
- Integrated engine protection strategies
- Sealed enclosure and IP67 rated comms ports
AIRFLOW MODEL BASED CALCULATIONS
Infinity’s airflow model-based systems greatly reduce the amount of time it takes to set up and tune an engine by eliminating many of the lookup and trim tables (correction tables) necessary in previous generation ECUs. The Infinity’s airflow based, or volumetric efficiency (VE) based models calculate an engine’s requirements in real time based on an advanced algorithm that has various modes for calculating air flow. Once the user inputs an engine’s basic parameters (displacement, cylinders, ignition type, and firing order) and methods of calculation for airflow and ignition they can begin setting the engine’s VE table in the software.
InfinityTuner USER INTERFACE SOFTWARE
InfinityTuner is optimized for speed and performance. The software has the power to control a multitude of features found in today’s modern racecars, and features an advanced tuning Wizard to reduce set up time. An ECU Setup Wizard takes complex calibration setup work and simplifies it through a smart interface that features tabs for quick set up of vital engine functions. (SHOW IMAGE OF WIZARD). Each tab includes a description of the function.
InfinityTuner software is highly flexible. It allows you to choose from multiple strategies for boost control, idle control, wheel speed-based traction control, charge air temp blend, launch control and more.
All controls in the Infinity ECU are synched to logged data which allows users to edit calibration data during log playback to minimize tuning time. AEMdata, AEM’s advanced data logging analysis software is also included for reviewing data logs.
ULTRA-HIGH RESOLUTION FUEL CONTROL
The Infinity ECU calculates injector pulsewidth in units of 1/10th of a microsecond (0.0000001 second). Individual cylinder fuel trim is included and user adjustable.
ACCURATE IGNITION TIMING UNDER ANY CONDITION
InfinityTuner software features a 3D ignition trim map (coolant and air temp based), and its back-end timing code is tested to 100,000 RPM. Individual cylinder ignition trim is included.
FLEX FUEL COMPENSATION
Flex fuel compatibility is included, and the Infinity is able to make automatic adjustments for ethanol content in the fuel with the addition of an ethanol content sensor (sold separately).
The Infinity has the ability to run two separate fuel types simultaneously through staged fuel injection
DRIVE BY WIRE CAPABILITY
The Infinity Series 5 ECU can control one drive by wire throttle body and includes auto calibration for DBW sensors. It includes idle control, an optional drive by wire rev limiter (for use as a launch limiter, holding limiter or in conjunction with other rev limiters) and necessary failsafes based on redundant sensor inputs.
The Infinity ECU uses a coolant temp based idle control model. It includes an RPM vs. Engine Speed Rate idle decel feature that provides accurate control of the IAC and allows for adjustment of engine braking. The Infinity’s idle TPS offset provides smoother low idle operation when necessary, like driving in the pits or return lane following a pass.
MULTIPLE BOOST CONTROL STRATEGIES
Choose from time, gear, vehicle speed, switch-based or other boost control strategies. The Infinity’s boost control includes two 2D base duty tables and two 2D boost target tables. The second tables can be used as a trim, and users can choose from multiple strategies including IAT, MAP, Baro (kpa), throttle %, flex fuel content, boost target and more. Please visit our Forum for an in-depth review of the Infinity’s boost control capabilities.
The Infinity’s software allows you to run a single-stage wet or dry nitrous set up (four-stage available soon). This feature includes nitrous timing delay to account for nitrous bleed out, and can be set up for water/methanol injection tuning.
VARIABLE VALVE CAM CONTROL
Set base duty, limit and VVC cam target for up to four cams through the InfinityTuner Wizard. Users are able to achieve a VVC cam target by setting Cam 1 base timing and base duty cycle % in a 2D table, and the software features a 1D base duty % table that controls the base duty cycle for the VVC output, which is tunable based on the VVC target.
The Infinity includes up to four separate ignition maps, four separate Lambda maps and two separate VE maps with independent values. Using AEM’s 12 Position Trim Pot, this powerful feature delivers many valuable tuning options including:
- Multiple maps for multiple track conditions (practice map, rain map, qualifying map, FTW map)
- Change boost target
- Change Lambda target
- Change ignition target
- Tie boost, Lambda and ignition targets together and change them all
- Ideal for test mapping during tuning
- Change boost base duty
- Control PWM switches (like water/methanol injection)
- Choose between 2 VE tables for VVC or when restrictors are in place
- Blend between flex fuel ignition maps
- Blend by cam position and gear
Multiple engine protection strategies are incorporated into the Infinity ECU. Available strategies include:
- MAP (create limp mode using Assumed Pressure Ratio table to compensate for pressure if sensor fails)
- Overboost (boost fuel cut until boost/throttle decreases)
- Fuel pressure (injector flow compensated for variations in pressure, sensor required)
- Oil pressure (trigger light or limit RPM if pressure drops below set value, sensor required)
- RPM (rev limiter)
- Coolant temperature, Temp vs. RPM (fuel and ignition cut, sensor required)
- Knock control with feedback
- Lean protection (fuel and ignition cut)
REAL-TIME ADVANCED DIAGNOSTICS
The Infinity’s diagnostics software can be configured to constantly monitor signal and current quality to alert the user of a potential issue before it creates the potential for engine damage.
INTERNAL WIDEBAND CONTROLLER
A Bosch wideband controller is built into the Infinity ECU. This provides highly accurate closed-loop AFR targeting and enables the sensor diagnostics in the ECU to determine the operational condition of the sensor.
LIGHTNING-FAST DATA LOGGING
Infinity’s logging feature supports 2 different file systems. A custom file system option will support 100 channels at up to 1 KHz using a high-performance USB flash drive (sold separately). A standard FAT file system will support 10 channels at up to 1KHz, 20 channels at up to 500Hz or 100 channels at up to 200Hz. The Infinity includes a 4GB USB memory stick and the user can replace this with up to 64GB. Additionally, the user can also log directly to the PC at up to 500Hz when connected.
AEMdata DATA ANALYSIS SOFTWARE
AEMdataprovides an advanced interface for viewing the log files generated by the Infinity ECU.
DUAL KNOCK SENSING
Dual knock signal conditioning circuits allow for precise measurements of knock levels. The Infinity can utilize both Piezoelectric and Flat Response type knock sensors.
The Infinity ECU is constructed using automotive-rated components designed to withstand the harshest racing environments. Its enclosure and connectors are sealed to make it suitable for engine bay mounting. An advanced wear-leveling strategy for flash memory ensures a lifetime of reliable performance.
The Infinity ECU is able to transfer data via USB at up to 480 Mb/second. It features a fully-sealed IP67 communications connection system.
Infinity is AEMnet enabled and will communicate with another AEMnet-equipped device. It is able to output to 3rd party dash/logger devices (not all 3rd party dash/logger devices may be supported). Call AEM technical support at (310) 484-2322 for more information.
INFINITY ECU ADVANCED TUNING PACKAGE
Certain Advanced Tuning functions, hardware outputs and sensor inputs are available for the Infinity Programmable ECU. The Infinity ECU's Advanced Tuning Package is available at no charge for a limited time. Please contact an Authorized AEM dealer or call AEM Performance Electronics at (310) 484-2322 for more info.
INFINITY SERIES 5 EMS CAPABILITIES:
- Airflow model based calculations
- VE-based engine startup
- Multi-fuel capable
- Flex fuel compensated – fuel, ignition and boost with blend
- Multiple boost control strategies (time, gear, vehicle speed, switch and more)
- Drive by wire control (single H-bridge channel)
- 2-step and 3-step programmable launch control
- Anti-lag and rolling anti-lag
- Programmable traction control,up to 2-wheel speed
- No-lift shift
- User configurable soft-cut rev limiters
- User configurable anti-lag
- Map switching (4 Separate ignition maps, 4 separate Lambda target maps, 2 separate VE tables)
- Single stage wet or dry nitrous control
- Integrated engine protection strategies
- Target Lambda table, 10x10
- Open-loop fuel pressure compensation
- O2 lean-out protection
- 2-channel adaptive knock control
- Configurable coil dwell (RPM, voltage and load based)
- Individual cylinder ignition trim (RPM based)
- Individual cylinder fuel trim (RPM based)
- 3D ignition trim maps (coolant and air temp)
- Real-time sensor diagnostics
- Ignition table, 20x20
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