Instruction Manual 30-71XX Infinity Quick Start Guide STOP! THIS PRODUCT HAS LEGAL RESTRICTIONS. READ THIS BEFORE INSTALLING/USING! THIS PRODUCT MAY BE USED SOLELY ON VEHICLES USED IN SANCTIONED COMPETITION WHICH MAY NEVER BE USED UPON A PUBLIC ROAD OR HIGHWAY, UNLESS PERMITTED BY SPECIFIC REGULATORY EXEMPTION. (VISIT THE “EMISSIONS” PAGE AT HTTP://WWW.SEMASAN.COM/EMISSIONS FOR STATE BY STATE DETAILS.
Infinity Quick Start Guide Table of Contents Introduction ............................................................................................................................................................. 1 Software Download Notice 1 12............................................................................................................................................................. Month Limited Warranty 2 Kit..............................................................................
Introduction 1 Introduction Software Download Notice The latest firmware for your Infinity ECU is available at http://www.aeminfinity.com. Follow the instructions in this manual to install InfinityTuner then go directly to aeminfinity.com to download your firmware. 12 Month Limited Warranty Advanced Engine Management Inc.
2 Infinity Quick Start Guide Kit Contents 1x 1x 2x 1x 10 x INFINITY ECU (Varies depending on kit part number) QUICK START GUIDE USB CABLE 4GB FLASH MEMORY DEVICE ECU HARNESS TERMINALS Infinity-8/10/12 Kit Contents © 2014 AEM Performance Electronics
Introduction Infinity-6/8h Kit Contents © 2014 AEM Performance Electronics 3
4 Infinity Quick Start Guide Background The Infinity platform is very different from previous generation AEM EMS products. The hardware (circuit board assembly) is designed around a very advanced automotive grade microcontroller (processor or “chip”). Several layers of software reside on this chip that allow for real time firmware programming without the need to write computer code. This technology has allowed AEM to develop advanced control models never before used on other AEM EMS products.
Introduction 5 Software Software Installation All current Infinity Tuner software installations and drivers are available for download from AEM at http://www.aemelectronics.com/products/support 1. Run the setup.exe. Hit Next> and follow the instructions on each page. 2. Read and accept the terms of agreement and pick your desired location for Infinity Tuner to be installed. Hit Next> and allow the software to complete installation. 3. You may now exit the Infinity Tuner installer.
6 Infinity Quick Start Guide 2. Open the device manager. How to find your device manager is described below.
Software 7 For Windows 7 users you may simply search for and open the “Device manager” using the search bar under the start tab. You should see a window that looks similar to the Device manager shown above on the left hand side. For Window XP users right click on “My Computer” under the start tab. Click on “Manage.” Select “Device Manager.” You should see a window that looks similar to the Device manager shown above on the right hand side.
8 Infinity Quick Start Guide 3. Next look for a device labeled something close to “AEM Infinity-10 EMS.” It may be listed under “Other devices.” Right click “AEM Infinity-10 EMS” and select Update Driver Software. When prompted with “How do you want to search for driver software?” select the second option, “Browse my computer for driver software Locate and install driver software manually.” USB driver files can be downloaded from http://www.aemelectronics.
Software 9 Plot Data and Control AEM supplied layout files will come pre-loaded with several “Plot Control” windows. (Users can always add, delete or edit them as desired.) These are special controls that allow real time data logging and playback. To begin a PC log, go to the Log menu and select Start recording or hit the “CTRL + L” hot key. Select Stop recording or hit the “CTRL + L” hot key again to stop logging. A dialog will ask if you want to save the data or not.
10 Infinity Quick Start Guide Additional hot keys available in plot control window: Home – Brings you to the start of the log End – Brings you to the end of the log For Home and End, the current display range is kept, so if viewing 10 seconds worth of data, Home will display the first 10 seconds while End will display the last 10 seconds.
Software 11 Hardware Serial Number All Infinity ECUs are serialized. Be sure this identification tag stays intact. Write the number down to be safe. Infinity ECUs are programmed with cryptographically secure firmware files and each ECU has a unique file set. The serial number is used to identify the correct files for your ECU.
12 Infinity Quick Start Guide Account Registration Account Registration Note: Hardware part numbers shown in the screen shots below are examples only. Refer to your individual ECU part number and serial number when filling out registration information. 1) Go to http://www.aeminfinity.com and click on the “Register Here” button. 2) Enter required information and click the “Register” button.
Hardware 13 3) A confirmation email will be sent to the supplied email address. Choose one of the following options: a. Click on the “click here” link. b. Or, copy the code and enter it into the Confirmation Code Box. 4) After entering the code, click on the “Confirm” button. 5) Click on the “your account page” to continue with ECU registration; otherwise click the “Log Off” button.
14 Infinity Quick Start Guide AEM Infinity ECU Registration 1) Go to http://www.aeminfinity.com and log in to your account. 2) Click on the “Register New Product” button.
Hardware 15 3) Enter the Serial Number and Security Code. Serial Number is found on sticker on ECU case. Security Code is included in ECU packaging. 4) Enter Product Registration Information. You must first read and accept the Agreement before completing registration.
16 Infinity Quick Start Guide 5) Read and then accept Usage Agreement by selecting the “I Agree” button. 6) Click the “Complete Registration” button once the Usage Agreement has been accepted.
Hardware Firmware and Configuration Updates 1) Go to http://www.aeminfinity.com and log in to your account. 2) Locate Firmware and Configuration updates. Check for Firmware Updates since last downloaded. Click the “INFO” button to locate Firmware and Configuration files.
18 Infinity Quick Start Guide 3) Locate the desired Configuration file and click the “Download” button. The Configuration file includes the Firmware and the Configuration files as a .pakgrp file. 4) Save the .
Hardware 19 Firmware Update 1) Connect to Infinity Tuner. a. Plug the USB cable from the ECU into your computer USB port and key ignition ON. b. Open Infinity Tuner. 2) Click the Target drop-down list and select “Upgrade firmware…” 3) The ECU should not be running an engine at this time. Select “Yes” when the warning message appears. Note: The firmware update utility is periodically updated and may not match the descriptions below.
20 Infinity Quick Start Guide 4) Begin the Firmware Upgrade process. a. Select the desired Configuration “Image” on the left. i. If no images are present check C:\Program Files (x86)\AEM\Infinity Tuner\ and verify .pakgrp file is there. If not, visit http://www.aeminfinity.com, log in, and download appropriate file. b. Ensure "Keep Calibration Data" check-box is marked to save current calibration. c. Click the “Begin” button to start the upgrade process.
Hardware 21 6) Follow the message at the bottom, and turn the ignition switch back ON when instructed to do so. 7) When the message at the bottom indicates that it’s safe to close the window, click "X” button on the top right of the window. For applications that use a stepper motor idle valve, it's important that a full power reset be done prior to starting the engine. Turn the key off and wait at least 20 seconds before starting. This will allow the stepper valve to park and reset.
22 Infinity Quick Start Guide A firmware update will erase the USB log channel list stored in the ECU memory. This channel list will need to be reset before USB logging will function correctly. See Log Menu for more info. Troubleshooting: If the process hangs at any point, wait at least one minute for it to continue. Some PCs take longer to reconnect to to the ECU during this process. Some PCs may have other processes running that affect the response time of the USB ports.
Tuning Guide 23 process notifying the user of each step along the way. If the import function is done while connected to an ECU, after the import is complete: 1) Turn the key off and wait for the main relay to power down completely. This usually takes about 10 seconds but depends on the model. 2) Turn the key back on. Certain applications with CAN dash requirements must be powered down completely and restarted after an import calibration. If this is not done, error lights may appear on the dash.
24 Infinity Quick Start Guide Wizard Basic Setup Wizard Design The ECU setup wizard is designed to simplify the initial configuration of the Infinity ECU. AEM recommends using the wizard only when connected to the ECU via USB with the power on. Most of the setup wizards require the engine to NOT be running. Exceptions will be clearly stated in the function descriptions. The setup wizard contains general and detailed descriptions with each major function. The most imperative functions are discussed below.
Tuning Guide Wizard Organization The wizard is organized into different sections with expandable menu items on the left hand pane. Use the highlighted arrow below in each section to expand the available sections.
26 Infinity Quick Start Guide Engine Note: This wizard can not be used when the engine is running. Engine Displacement (L) Enter the engine displacement in liters. Min value = 0.250, Max value = 10.0 Number of Cylinders: Enter the number of cylinders within the engine. Min value = 1, Max value = 10 Possible values: 1,2,3,4,5,6,8,10 Engine Cycle Type: Enter the engine type: 2 Stroke or 4 Stroke. Firing Order: Select the firing order of the engine.
Tuning Guide 27 Airflow Calculation Method: Select how the airflow calculation is processed. There are 3 options: VE: This is the default configuration. Airflow is calculated using the speed density algorithm. 0–5V MAF: Airflow is calculated using a 1-axis lookup table that has an analog (0–5V) input from a typical OEM MAF sensor.
28 Infinity Quick Start Guide Tuning Preferences Calibration data is automatically saved to ECU flash memory at key off if the "Key Off Commit" function is selected in the Tuning preferences wizard page. Proper power sequencing is critical in order to avoid problems. If power is removed from both pins C1-10 and C2-50 (Infinity 8/10/12 hardware) before this action is completed, the ECU may become inoperable and require reprogramming at AEM.
Tuning Guide Cam/Crank Choose the Cam/Crank timing type that will be used. The description field notes important information about edge selections and wiring requirements.
30 Infinity Quick Start Guide Additional settings exist to adjust noise cancellation. For more details see Noise Cancellation Injector Setup Number of Injectors The drop down box allows the user to select the desired Number of Injectors.
Tuning Guide 31 Has Secondary Injectors If secondary injectors will be used, select this check box. A new fuel type menu is now visible labeled Fuel Type (Secondary Injectors). See Staged Injection for additional tuning information. Note: If secondary injectors are being used, the option Has Secondary Injectors must be selected and the table must be filled out indicating any injector number greater than the number of engine cylinders as secondary.
32 Infinity Quick Start Guide Fuel Type This drop down menu contains the following setup information for primary (and secondary fuel types, if selected). -Gasoline -Ethanol -Methanol -E85 -Flex Fuel Phasing The default injector phasing for the primary injectors is determined from the Firing Order information from the Ignition Wizard. There is a fixed offset of 540 for injectors. After this offset is added, the system checks to see if the result is less than 720.
Tuning Guide 33 Fuel Pressure Regulator Reference Allows the user to choose the proper reference pressure for the fuel pressure regulator. The drop down menu has the following options: Manifold Vacuum Reference: This should be selected if the fuel pressure regulator's port is connected to a vacuum or vacuum/boost source. Atmospheric Reference: This should be selected if the fuel pressure regulator's port is open to atmosphere or if a dead end fuel system is used where fuel pressure is constant.
34 Infinity Quick Start Guide Primary Injector Flow Selection This database allows the user to select proper primary injector flow data. InjFlowRate [cc/sec], 1-Axis lookup table of flow vs injector pressure. InjOffset [us/10], 2-Axis lookup table of PW offset vs battery voltage and injector pressure Secondary Injector Flow Selection If Secondary Injectors were selected in the Injector Setup Wizard, this Secondary Injector Flow Selection database will be enabled.
Tuning Guide 35 NOTE: If the Setup Wizard does not contain your specific fuel injector type, you can modify the InjFlowRate table manually. If you do not know the different flow rates at different fuel pressures, choose a flow rate (based on Manufacturers specs) at a known pressure and populate the entire row with that value. For example, you have a fuel injector that is not listed in the Wizard Selection. You know that it flows 475 cc/min at 45 psi.
36 Infinity Quick Start Guide Steps Set TPS Volts Min Press this button when the throttle pedal is fully released. This will write the current value of Analog7 [V] to the Throttle_raw [%] Analog In conditioner and display the resultant value on the TPS Min Volts: X.XX display. Set TPS Volts Max Press this button after the throttle pedal is fully depresses. This will write the current value of Analog7 [V] to the Throttle_raw [%] Analog In conditioner and display the resultant value on the TPS Max Volts: X.
Tuning Guide 37 Ignition Sync The engine's ignition timing must be synchronized with the Infinity Tuner's ignition timing display. This is crucial with older vehicles that have adjustable distributors, adjustable cam angle sensors, etc. Most modern engines do not utilize a manual adjustment for ignition timing. However, this wizard should always be used for verification as sensors can be frequently installed backwards or upside down. This can catch a problem before damage occurs.
38 Infinity Quick Start Guide The button labeled Large edits the CamSyncAdjustment TrigOffset [degBTDC] channel in 1.0 deg steps. The range is 0 to 719 degrees. The button labeled Small edits the TrigOffset [degBTDC] channel in 0.1 deg steps. The TrigOffset [degBTDC] is adjustable by Resolution. The Resolution setting has a range of 0.25 deg to 2.0 degrees in 0.25 degree increments.
Tuning Guide 39 Modified Values Calibration table changes that haven't been committed to flash memory are highlighted as shown below. Conditions that will reset the display are as follows: 1. Manually committing changes through the Target > Commit modifications menu command 2. Manually committing changes using the hot key combination [Ctrl Shift C] 3. Opening and closing the Setup Wizard. Note the Setup Wizard automatically commits ALL changes to memory every time it is closed. 4.
40 Infinity Quick Start Guide The Volumetric Efficiency is combined with temperature sensor data to estimate a compensated Mass Airflow. The ChargeTempBlend table dictates what ratio of air temperature to coolant temperature is used at specific Engine RPM to adjust the density of the inducted air. A higher number gives priority to Coolant Temperature, and is seen at lower Engine RPM.
Tuning Guide 41 The suggested tuning method is to set the AFR using the LambdaTargetTable or AFR Target Table to a value safe and suitable for the engine. For normally aspirated engines a value of 13.0:1 or 0.887 lambda is usually sufficient at all operating conditions. For boosted applications, the operating conditions dictate a safe AFR. Please consult a tuner knowledgeable in your engine’s requirements for help.
42 Infinity Quick Start Guide value. The Injector Flowrate is very important in determining the fuel requirements. The Infinity ECU uses actual Injector Flowrate [cc/min] to determine the proper injector pulse width. The InjFlowRate [cc/min] table is calibrated from the Setup Wizard: Injector Flow, however the table can be modified manually for unlisted injectors. Now that the base injector flow rate has been determined, the Infinity ECU applies a few more compensating factors.
Tuning Guide 43 A second WallWetting table is also available for even more transient fuel compensation functionality. See the WallWetting2 Table topic for more information. LamdaAfterStartTrim is a 2-axis table that is used to modify the Lambda (AFR) for specified time after starting the engine. This table adds a lambda offset for a small period of time after the engine is started.
44 Infinity Quick Start Guide Target Lambda To control the engine's fuel delivery system, the Infinity can be programmed to run open loop and/ or closed loop O2 feedback. Closed loop uses feedback from the oxygen sensor to make temporary, but immediate, corrections to the injection to maintain a target air fuel ratio (AFR) or lambda. The type of the O2 sensor will determine how lambda target can be controlled.
Tuning Guide 45 Tuning Target Lambda The first step before tuning: 1. Open Infinity Tuner and connect to the ECU. 2. Open the Lambda Tab and confirm the Lambda1Cal Table is set up for the oxygen sensor used. 3. Open the Lambda Control Wizard and check the Lambda 1 Feedback Enable and/or Lambda Feedback Enable boxes. 4. Set the Lambda Feedback Max Speed. Wideband O2 sensors are accurate in most situations so this can be activated all the time, if need be. 5.
46 Infinity Quick Start Guide Wiring, Pinouts and Schematics Wiring Wire Harness Options Universal Several harness build options are available for the Infinity.
Wiring, Pinouts and Schematics 47 Tools AEM recommends using the following proper crimp tool for all Infinity ECU terminations, Molex Part No: 63811-4200. This tool is available in many places. One is shown below. Web address: http://www.newark.
48 Infinity Quick Start Guide A cheaper, but lower quality, alternative is the following crimp tool, Molex Part No: 63811-1000. This tool is available in many places. One is shown below. Web address: http://www.newark.
Wiring, Pinouts and Schematics 49 Idle Air Control Valve Requirements Many Toyota, Mitsubishi, and other vehicles use an Idle Air Control Valve with a Unipolar Stepper Motor (6-pin connector) and MUST be modified. See picture below. A Bipolar Stepper Motor (e.g., GM) will have a 4-pin connector and DOES NOT need to be modified. *This info does not apply to vehicles that utilize IACV solenoids.
50 Infinity Quick Start Guide Step 1: Disconnect connector from IACV housing and gently remove the retainer from the connector. Step 2: Use a small flat-blade screwdriver/pick to move the terminal locks while pulling the BlackRed wires out from the backside of the connector.
Wiring, Pinouts and Schematics Step 3: Use heat shrink to insulate both 12V wires and then zip-tie the insulated wires to a nearby loom. Step 4: Reinstall the retainer, and then plug the connector back into the IACV.
