Dyno-Scan for Android User Guide
Contents
1. Auterra Dyno Scan Live Data file y Email Search 2 06 KB me 13 5 KB FAE Sample ac FAE Sample pt fa OneDrive Mee Auterra Dyno Scan Acceleration fi eye Auterra Dyno Scan Power Torque 6 96 KB 4 30 KB Y Homegroup settings_private xml tuning layout sc XML File SC File WW This PC 394 bytes 2 06 KB ly Desktop E Documents jy Downloads Hb Music Pictures 2 SAMSUNG SM G900V 8items 1itemselected 13 5 KB Figure 20 Auterra Android Directory Open Live Data File on PC The Android Live Data file contains both OBD II sensor data and positional information from the GPS build into your Android phone To view recorded GPS data Google Earth is used The Dyno Scan for Windows software automatically interacts with Google Earth to display vehicle positional information Google Earth is a free PC application available for download from Google 1 Start the Dyno Scan for Windows software on your PC 2 Optionally go to the Tools gt Options menu option Google Earth tab and select Enable Google Earth checkbox This option requires that you have Google Earth installed on your PC Select File gt Open gt Live Data File and select a recorded file Select the Analyze button at the bottom left of the Navigation pane Select the Analyze Live Data icon oOo a hh O The recorded data is shown on the Analyze Live Data screen 46 Windows PC Software il a Auterra Dyno Scan LiveDataSample ld a Kn p2. Consistent vehicle setup use the same tire pressure same number of passengers no A C windows rolled up low beams on radio and other accessories off Automatic transmission most automatic transmissions will want to downshift under hard acceleration Experiment with higher starting RPM or roll the throttle on slowly at first to prevent a downshift Manual transmission ensure the clutch is completely out when the data collection starts Steady throttle do not blip the throttle during the countdown period Keep the throttle and RPM steady Maximum throttle keep the throttle fully floored until maximum RPM is achieved A dip in the RPM will cause the power torque graphs to terminate early Dyno setup try to obtain current temperature humidity elevation and altimeter pressure before each day of runs Head Tail Wind a windy day will skew the power torque results higher or lower depending on the wind direction A relatively calm day provides the best results Level Ground an uphill climb will make the power torque lower and conversely a downhill run will have higher than expected values Level ground provides the best results Heat soak repeated runs will cause the intake manifold temperature to increase Hot air is less dense and causes a reduction in power torque Just note that the first run may have slightly higher values than subsequent runs if performed back to back Edit Dyno Setup Fil
3. Start the Dyno Scan application on your Android Press the Preferences button Ensure the Demo Mode checkbox is unchecked Go back to the Main Menu screen ON OO A ON Press the Connect button The software will then connect to the vehicle 5 Live Data Sa Connect Live Data j amp Power Torque 4 es r W Acceleration J Preferences Figure 1 Main Menu Screen Sleep Disabled As long as the Dyno Scan software is communicating with the vehicle the Android device will not go to sleep If communication is lost or if the application exits the Android normal sleep functionality will resume Options Menu The options menu displays at the bottom of the screen and is available on the Live Data Power Torque Acceleration and Trouble Codes screen The options menu is displayed using one of the buttons at the bottom of your Android device Your Android will have only one of the following buttons Table 1 Options Menu Access Button Action Button Image Recent Apps Button Long Press Menu Button Press 6 Live Data Gear Ratio Figure 2 Power Torque Options Menu Switching Screens Switching between the Main Menu Live Data Power Torque Acceleration and Trouble Codes screens is performed in one of two ways 1 Swipe left or right to switch screens 2 Open the Options Menu and select Screen to switch screens Live Data Screen The Live Data screen vi
4. EGR B Error EGR Error EGR Temperature B1 S1 EGR Temperature B1 S2 EGR Temperature B2 S1 Intake Manifold Pressure Long Term Fuel Trim B1 Long Term Fuel Trim B2 Long Term Fuel Trim B3 Long Term Fuel Trim B4 Long Term Sec Fuel Trim B1 Long Term Sec Fuel TrimB2 Long Term Sec Fuel TrimB3 Long Term Sec Fuel TrimB4 Manifold Surface Temp Mass Air Flow A Mass Air Flow B Minutes Run with MIL On NOx Concentration B1 S1 NOx Concentration B2 S1 02 B1 S1 Wide Range mA 02 B1 S1 Wide Range V 02 B1 S2 Wide Range mA Turbo A In Compressor Turbo A In Turbine Temp Turbo A Inlet Pressure Turbo A Out Compressor Turbo A Out Turbine Temp Turbo A RPM Turbo B In Compressor Turbo B In Turbine Temp Turbo B Inlet Pressure Turbo B Out Compressor Turbo B Out Turbine Temp Turbo B RPM Variable Turbo A Variable Turbo B Vehicle Speed Warm ups Since DTCs Clrd Wastegate A Wastegate B Air Fuel Ratio overall air to fuel ratio of the vehicle being commanded by the vehicle ECU Air Fuel Ratio BX SX up to 8 air to fuel ratio of the vehicle computed for one bank i e one oxygen sensor Average Economy the average fuel economy of the vehicle over time Battery Voltage the vehicle battery voltage Boost Pressure the pressure measured within the intake manifold Distance Traveled distance traveled by the vehicle This is not the odometer Drive Time the engine running time Fuel Cost the cost
5. fully open Cmd Variable Turbo A up to 2 the variable geometry turbocharger commanded vane position as a percent 20 Live Data Commanded Throttle Actuator displays 0 when the throttle is commanded closed and 100 when the throttle commanded open Commanded EGR up to 3 display 0 when the EGR is commanded off 100 when the EGR system is commanded on and if the EGR is duty cycled somewhere between 0 and 100 Commanded Equival Ratio the commanded equivalence ratio also known as lambda while the fuel system Fuel systems that use conventional oxygen sensors display the commanded open loop equivalence ratio while the system is in open loop Should report 100 when in closed loop fuel Fuel systems that utilize wide range linear oxygen sensors shall display the commanded ratio in both open loop and closed loop operation Commanded Evap Purge displays 0 when no evaporative purge is commanded and 100 at the maximum commanded purge position flow Commanded Intake Air A up to 2 the commanded air intake displayed as a percent Also known as EGR Throttle on compression ignition engineers Commanded Wastegate A up to 2 the commanded wastegate position as a percent 0 is fully closed full boost and 100 fully open dump boost Control Module Voltage power input to the control module Normally the battery voltage less any voltage drop between the battery and the control module Distance Since
6. gt Options menu press the Reset Fuel Used button then press OK 42 Preferences 4 Goto the Live Data screen and monitor the Fuel Used parameter Drive the vehicle normally until the tank is near empty Always have the Average Fuel Economy screen displayed when driving the vehicle Fill up the vehicle and note the gallons used to fill up the vehicle Compute the error in the Dyno Scan Fuel Used parameter and the gallons used to fill up the gas tank MPG correction Dyno Scan fuel used gas pump gallons gas pump gallons x 100 Example 1 2 25 3 gallons 25 6 gallons 25 6 gallons x 100 8 Set the MPG Correction to the computed correction factor Boost Calibration Two different methods are used for expressing pressure gauge pressure and absolute pressure Gauge pressure is referenced to atmospheric pressure The atmospheric pressure at sea level is about 14 7psi and changes slightly with atmospheric conditions Absolute pressure is referenced to Opsi The relationship between the pressures can be expressed as follows absolute pressure gauge pressure atmospheric pressure The Boost Pressure parameter measures the absolute pressure within the vehicle s intake manifold To measure gauge pressure enter a Boost Calibration offset Gauge pressure can be expressed as follows gauge pressure absolute pressure atmospheric pressure The Boost Calibration allows entering the atmospheric pressure in psi s
7. AUTERRA SAMSUNG EA ACES REA 2 34 PM Dyno Scan A 4 y ies Acceleration e Trouble Codes gt nO Preferences Dyno Scan for Android User Guide Warnings The exclamation point within the triangle is a warning sign alerting you of important instructions accompanying the product Please observe all warnings A A A A Do not operate the vehicle indoors A running engine produces lethal carbon monoxide exhaust fumes that can seriously harm or kill you if inhaled Only run the vehicle motor outdoors with proper ventilation Many scan tool operations do not require a running motor Do not attempt to operate or observe the scan tool while driving a vehicle Driving requires the full attention of the driver Operating or observing the scan tool will cause driver distraction and could cause a fatal accident Ensure the PC cable and OBD II adapter do not interfere with the vehicle controls A cable dangling in front of the foot pedals gear shifter or steering wheel can interfere with vehicle operation and cause a fatal accident Always ensure the PC cable and OBD II adapter are securely fastened out of the way If the scan tool and PC cannot be safely attached as to not interfere with the vehicle controls then do not drive the vehicle with the OBD II adapter connected to the vehicle Never race or exceed the posted speed limit while on public highways The dynamometer operations require accelerating to high s
8. Auterra s Bluetooth OBD II adapter must be paired with your Android device in order to communicate The pairing process is as follows 1 Plug the Bluetooth OBD II adapter into your vehicle s OBD II connector 2 Turn the vehicle ignition ON the vehicle does not have to be running The Bluetooth OBD II adapter is now automatically placed into discovery mode 3 Go to the Bluetooth settings on your Android device 4 Turn on the Bluetooth feature 3 Installing Android Software 5 Select Scan to scan for new devices The OBD II adapter device name is either BT42 nnnn or RN42 nnnn where nnnn is a letter number combination unique to each Bluetooth OBD II adapter 6 Select the new device and pair the Bluetooth OBD II adapter If prompted the passkey or pairing key is 1234 7 Your OBD II adapter is connected and ready for use Note you only need to pair one time and not each time you use the OBD II adapter 4 Installing Android Software Live Data Getting started with your Dyno Scan for Android software is easy and this section shows you how Connect to Vehicle The Android device must be already paired with the Auterra OBD II Bluetooth adapter If you have not paired already please refer to section Bluetooth Pairing Ensure your Android device has the Bluetooth option enabled Plug the Bluetooth OBD II adapter into your vehicle s OBD II connector Turn the vehicle ignition ON the vehicle does not have to be running
9. DTCs Cleared distance accumulated since DTCs where cleared with a scan tool Distance Traveled MIL On accumulates the vehicle distance traveled while the MIL light is illuminated DPF Delta Pressure BX up to 2 diesel particulate filter delta pressure DPF Inlet Pressure BX up to 2 diesel particulate filter inlet pressure DPF Inlet Temp BX up to 2 diesel particulate filter inlet temperature DPF Outlet Pressure BX up to 2 diesel particulate filter outlet pressure DPF Outlet Temp BX up to 2 diesel particulate filter outlet temperature Driver Demand Torque the requested torque output of the engine by the driver EGR Error up to 3 error as percent of actual commanded EGR Negative percent is less than commanded and positive is more than commanded EGR Temperature BX SX up to 4 the EGR gas temperature Engine Coolant Temp up to 3 engine coolant temperature derived from an engine coolant temperature sensor or a cylinder head temperature sensor Engine Fuel Rate amount of fuel consumed by the engine per unit of time in liters per hour Engine Oil Temp engine oil temperature 21 Live Data Engine Reference Torque display the engine reference torque value This value does not change Engine RPM displays the current engine revolutions per minute value Engine Torque Idle Point the torque limit that indicates the available engine torque that can be provide
10. Menu Vehicle Speed Correction The vehicle speed correction preference adjusts the vehicle speed sensor readings to accommodate a vehicle with an inaccurate speedometer This is a global setting and adjusts the vehicle speed measurements on all screens displaying of using live data The vehicle speed correction preference does not adjust the vehicle dashboard speedometer nor does it calibrate the vehicle speedometer If you vehicle is equipped with a stock tire size you leave this setting at 0 0 Always compute and adjust the vehicle speed correction first before measuring and adjusting the distance correction or MPG correction To compute and adjust the vehicle speed correction factor using is GPS 1 Set Vehicle Speed Correction to 0 2 Select the Live Data screen and monitor the Vehicle Speed parameter 3 Drive the vehicle and keep the vehicle speed stead e g 30 MPH 4 Have a passenger note the Dyno Scan Vehicle Speed and the GPS speed 5 Compute an error percentage vehicle speed correction GPS speed Dyno Scan vehicle speed GPS speed x 100 41 Preferences Example 7 3 30 0 MPH 27 8 MPH 30 0 MPH x 100 6 Set the Vehicle Speed Correction to the computed correction factor Distance Correction The distance correction preference fine tunes the accuracy of the Distance Traveled parameter if necessary The distance correction preference does not adjust the vehicle odometer nor does it calibrate
11. Range V up to 8 shows voltage for linear or wide ratio oxygen sensors 02 Sensor BX SX up to 8 indicates the voltage for conventional 0 to 1V oxygen sensors O2 sensors with a different full scale voltage shall be normalized to this range or if a wide range sensor may use the wide range parameters instead PM Mass Concentration BX SX up to 2 particulate matter mass concentration Reagent Tank Level nominal reagent tank liquid fill capacity as a percent of maximum Rel Throttle A Position up to 2 relative or learned throttle position Relative Throttle Position relative or learned throttle position Relative Accel Pedal Pos relative or learned pedal position Relative Intake Air A up to 2 actual intake airflow position displayed as a percent Also knows as EGR Throttle Position on compression ignition engines Run Time NOx Warn run time of the engine while NOx warning mode is activated Short Term Fuel Trim BX up to 4 indicates the correction being used by the closed loop fuel algorithm If the fuel system is open loop 0 correction should be reported Short Term Fuel Trim BX SX up to 8 indicates the correction being used by the closed loop fuel algorithm If the fuel system is open loop 0 correction should be reported Short Term Sec Fuel Trim BX up to 4 short term secondary O2 sensor fuel trim shall indicate the correction being utilized by the closed loop fu
12. Theory of Operation 25 Dyno Scan for Android 26 Dynamometer Getting Started 26 Dyno Files 27 Dyno Run Screen 27 Edit Dyno Setup File Screen Measure Gear Ratio Screen Adjusting Dyno Setup Parameters after Recording Drag Coefficient and Frontal Area Calculation of Frontal Area Automatic Transmissions Trouble Codes View Trouble Codes Clear Trouble Codes Stored and Pending Diagnostic Trouble Codes Preferences Vehicle Speed Correction Distance Correction MPG Correction Boost Calibration Engine Size Windows PC Software File Types Copy Files to PC Open Live Data File on PC Open Power Torque File on PC Open Acceleration File on PC Open Dyno Setup File on PC Troubleshooting Scan Tool Connects but No Live Data No Communication Scan Tool No Communication Vehicle Lost Communication Live Data Screen Is Blank Clearing Codes Did Not Work or MIL Didn t Turn Off 30 31 34 34 35 35 36 36 37 38 40 41 42 42 43 44 45 45 45 46 47 47 48 49 49 49 49 49 50 50 ii Table of Contents Preface Congratulations on your purchase of an Auterra s Dyno Scan for Android Please take time to read these operating instructions and become familiar with the operating procedure The Auterra Dyno Scan for Android in conjunction with your Android mobile phone or tablet enables access to your vehicle s diagnostic information The A 303 Dyno Scan for Windows Bluetooth kit is requi
13. button 2 Select Gear Ratio from the options menu 31 Dyno Operation Measure Gear Ratio Tire Diameter inches RPM 11951 MPH computed 113 1 MPH real 116 2 Gear Ratio 7 861 Status Idle ME Figure 15 Measure Gear Ratio Dialog 3 Either enter the Tire Diameter into the box or press the Compute button 32 Dyno Operation CE ey Een Coa Compute Tire Diameter Tire Width Tire Ratio 25 Rim Diameter Tire Diameter 12 85 inches Cancel Figure 16 Compute Tire Diameter Dialog 4 Onthe Compute Tire Diameter screen enter the tire width tire ratio and rim diameter Press OK Press the Measure button A 10 second countdown starts During the countdown start driving the vehicle in the gear the gear ratio is to be measured e g 2 gear The vehicle RPM should be between 3000 and 4000 RPM for best results Once the gear and RPM is achieved keep the throttle steady and clutch out if a manual transmission 8 At the end of the countdown the software will measure the gear ratio and display the result Confirming Gear Ratio Result On the Measure Gear Ratio screen are three live values RPM current measured RPM MPH computed computed MPH using only RPM and the gear ratio MPH real real MPH measured via the vehicle s on board computer MPH computed will only display if values are entered into the Tire Diameter and Gear Ratio fields If the computed MPH and real MPH
14. is now stopped and the data saved to your file Layout See the section Select Layout Screen The Screen option allows selecting which system screen to display 10 Live Data Live Data Options Context Menu The Live Data Options context menu is displayed by long pressing any of the Live Data screen cells GA Omg EI voor 10 57AM Live Data Options Select Parameter Select Widget Select Layout Open Layout Save Layout Figure 5 Live Data Options Context Menu Select Parameter 1 Display the Live Data Options menu by long pressing a Live Data screen cell 2 Select the Select Parameter option 3 Select a parameter to monitor Drag your finger to scroll the parameter list up and down 4 The selected cell will update with the newly selected vehicle parameter 11 Live Data ES ink ae oo ea Select Parameter Actual EGR B Duty Actual Engine Torque Air Flow Rate From MAF Air Flow Rate From MAP Air Fuel Ratio Air Fuel Ratio B1 S1 Air Fuel Ratio B1 S1 2 Air Fuel Ratio B1 S2 Figure 6 Select Parameter Menu Select Widget 1 2 3 4 Display the Live Data Options menu by long pressing a Live Data screen cell Select the Select Widget option Select a new widget type for the current cell The cell will update to the newly selected widget type 12 Live Data Select Widget Figure 7 Select Widget Menu Select Layout 1 Display the options menu see Options Menu Al
15. temperature Fuel Rate the rate at which fuel is consumed by the engine in gallons hour or liters hour Hybrid Battery Pack Life the percent remaining life for the hybrid battery pack Ignition Timing Advance ignition timing advance for 1 cylinder not including any mechanical advance Injection Pressure A up to 2 the injection control pressure Intake Air Temp BX SX displays the intake manifold air temperature Intake Air Temperature displays the intake manifold air temperature Intake Manifold Abs PresA up to 2 intake manifold absolute pressure 22 Live Data Intake Manifold Pressure indicates the manifold pressure derived from a Manifold Absolute Pressure sensor Long Term Fuel Trim BX up to 4 indicates the correction being used by the fuel control system in both open and closed loop modes of operation Long Term Fuel Trim BX SX up to 8 indicates the correction being used by the fuel control system in both open and closed loop modes of operation Manifold Surface Temp intake manifold surface temperature Mass Air Flow A up to 2 airflow rate as measured by a vehicle MAF sensor or an equivalent source Minutes Run with MIL On accumulated minutes of engine run time while the MIL light is on NOx Concentration BX SX up to 2 NOx concentration 02 Sensor BX SX Wide Range mA up to 8 shows milliamps for linear or wide ratio oxygen sensors 02 Sensor BX SX Wide
16. the vehicle speedometer The Distance Traveled parameter is used within the Instant MPG and Average MPG parameter computations Therefore an accurate Distance Traveled parameter ensures greatest accuracy of these parameters To compute and adjust the distance correction preference using your vehicle odometer 1 Set the Distance Correction to 0 2 Goto the Live Data screen and monitor the Distance Traveled parameter 3 Drive the vehicle for 25 to 50 miles 4 Compare the Dyno Scan trip computer Distance Traveled value and the vehicle s odometer mileage Compute an error percentage distance correction odometer distance Dyno Scan distance odometer distance x 100 Example 3 3 27 5 miles 26 6 miles 27 5 miles x 100 5 Set the Distance Correction to the computed correction factor Alternatively a GPS may be used in place of the odometer in the above procedure if the vehicle speedometer is not accurate MPG Correction The MPG correction preference fine tunes the accuracy of the Instant MPG Average MPG and Fuel Used parameters due to different fuels or minor vehicle sensor variances The MPG correction preference does not adjust the amount of fuel used by the vehicle Always compute and adjust the distance correction first before measuring and adjusting MPG correction To compute and adjust the MPG correction preference 1 Set the MPG Correction to 0 2 Fill up your vehicle gas tank 3 On the Tools
17. values match throughout the RPM range then the gear ratio and tire diameter values are correct for this vehicle If they do 33 Dyno Operation not match adjust the Gear Ratio field up or down until the computed and real MPH match A computed verses real MPH check in a single gear might be 1 Keep a steady speed at 2000 RPM 2 Confirm the computed and real MPH values match 3 Increase speed to a steady 4000 RPM 4 Confirm the computed and real MPH values match match Driving requires the full attention of the driver Operating or observing the scan tool while driving will cause driver distraction and could cause a fatal accident i Always have a passenger confirm the computed and real MPH readings Computing a gear ratio requires an accurate speedometer If the vehicle s tire size is either smaller or larger than stock and the speedometer has not been recalibrated to the new wheel size then the computed gear ratio will be incorrect This will make the horsepower and torque figures higher or lower than expected Calculating Overall Gear Ratio The overall gear ratio can also be computed if the tire diameter and RPM at a speed is known The following formula computes the overall vehicle gear ratio used by the dyno software overall gear ratio RPM x tire diameter MPH x 336 Example car 3 57 3000 RPM x 26 65 MPH x 336 The preferred method is to use the Dyno Scan to compute the overall gear ratio Adjusting Dy
18. via a scan tool A warm up is defined as the coolant temperature rising by at least 22 C 40 F and the engine temperature reaches at a minimum 70 C 160 F 60 C 140 F for diesels Wastegate A up to 2 actual wastegate position as a percent 0 wastegate is off allow full boost and 100 fully open dump boost 24 Live Data Dyno Operation The Dyno software is designed for easy operation This section provides a detailed instructions on how to operate the Dyno features Dyno operations require driving the vehicle while the software records performance data For increased safety the software does not require user intervention during the test runs All data is recorded for later analysis and audible tones are used to convey instructions to the user while driving Ensure the Android cable and OBD II adapter do not interfere with the vehicle controls A cable dangling in front of the foot pedals gear shifter or steering wheel can interfere with vehicle operation and cause a fatal accident Always ensure the PC cable and OBD II adapter are securely fastened out of the way If the scan tool cannot be safely attached as to not interfere with the vehicle controls then do not drive the vehicle with the OBD II adapter connected to the vehicle The dynamometer operations require accelerating to high speeds Always uses a closed course raceway when performing dynamometer and acceleration tests Never race or exceed the
19. File View Live Data Playback Tools Help D Connect New gt 6 Open E Hold J e r mjo n a oy B AAA a Navigation Es File Properties Bal A ma lez A Wit amp Q Ql Cok Ba aaa fe A E File C Program Files x86 Auterra Dyno Scan LiveDataSample d File z m Analyze Live Data e p e Note El Vehicle Make VIN Year 2000 File Current file name j gt File Properties 1 Run Statistics Bal a e Scan Tool Dyno Analyze 0 000 50 000 100 000 150 000 200 000 250 000 300 000 350 000 400 000 Es Time Sec Not Connected Play 0 LiveDataSample ld Figure 21 Analyze Live Data Screen Open Power Torque File on PC Start the Dyno Scan for Windows software Select File gt Open gt Power Torque File and select a recorded file Select the Dyno button at the bottom left of the Navigation pane Select the Power Torque icon O A OU N gt The recorded data is shown on the Power Torque screen Open Acceleration File on PC 1 Start the Dyno Scan for Windows software 47 Windows PC Software Select File gt Open gt Acceleration File and select a recorded file Select the Dyno button at the bottom left of the Navigation pane Select the Acceleration icon a A WwW N The recorded data is shown on the Acceleration screen Open Dyno Setup File on PC 1 Start the Dyno Scan for Windows software 2 Select File gt Open gt D
20. M TCM Internal Clear Codes Screen Figure 18 Trouble Codes Options Menu Select Clear Codes from the options menu The code are cleared from the vehicle memory and the Check Engine light is turned off Sometimes you need to turn the vehicle ignition key off then on to see the light turn off Stored and Pending Diagnostic Trouble Codes The Stored and Pending Diagnostic Trouble Codes display the vehicle s pending and stored Diagnostic Trouble Codes DTC if any The Diagnostic Trouble Codes screen continually scans for new DTCs even if some DTCs are already shown All DTCs are displayed within 10 to 20 seconds If the vehicle s Check Engine or Service Engine Soon light on the instrument panel is illuminated a stored DTC will be displayed Pending DTCs do not necessarily indicate a faulty component system If the vehicle s test results indicate a failure after additional driving then the Check Engine light is illuminated and a DTC is set in the stored DTC pane Two categories of trouble codes exist generic and enhanced Generic codes are standardized and common to all vehicle manufacturers Enhanced codes are not uniquely defined and may overlap with another manufacture or even the same manufacturer For instance multiple definitions may exist for code P1234 Ford may define it as Engine Oil Pressure Too Low but Toyota s definition could mean something different like System Voltage Unstable The Diagnostic Trouble Co
21. Result Double Tap Cell zooms to full screen Double Tap Cell zooms back to original size Long press Displays the Live Data Options menu Pinch zoom Zooms the line graph in out Drag up down Moves the line graph vertical position when zoomed in 16 Live Data Gauge Widget Gestures The gauge widget responds to the following gestures Gesture Result Double Tap Cell zooms to full screen Double Tap Cell zooms back to original size Long press Displays the Live Data Options menu Meter Widget Gestures The gauge widget responds to the following gestures Gesture Result Double Tap Cell zooms to full screen Double Tap Cell zooms back to original size Long press Displays the Live Data Options menu Supported Parameters The following is a list of all the live parameters supported by the software and a brief description of each parameter Each parameter name ending with a number e g Average Economy 2 provides the same data value as the non numeric ending parameter The distinction is the same parameter is obtained in different ways Not every vehicle supports all parameters A custom list of parameters is created unique to the vehicle connected Parameter Average Economy Average Speed Battery Voltage Boost Pressure Digital In 1 Distance Traveled Drive Time Fuel Cost Fuel Rate Fuel Used Idle Percent Idle Time Instant Economy Absolute Evap Vapor Pres Ab
22. ake Manifold Abs PresA Intake Manifold Abs PresB O2 Sensor B2 S1 02 Sensor B2 S2 O2 Sensor B2 S3 02 Sensor B2 S4 PM Mass Concentrate B1 S1 PM Mass Concentrate B2 S1 Reagent Tank Level Rel Throttle A Position Rel Throttle B Position Relative Accel Pedal Pos Relative Intake Air A Relative Intake Air B Relative Throttle Position Run Time NOx Warn Short Fuel Trim B1 S1 Short Fuel Trim B1 S2 Short Fuel Trim B1 S3 Short Fuel Trim B1 S4 Short Fuel Trim B2 S1 Short Fuel Trim B2 S2 Short Fuel Trim B2 S3 Short Fuel Trim B2 S4 Short Term Fuel Trim B1 Short Term Fuel Trim B2 Short Term Fuel Trim B3 Short Term Fuel Trim B4 Shrt Term Sec Fuel Trim B1 Shrt Term Sec Fuel TrimB2 Shrt Term Sec Fuel TrimB3 Shrt Term Sec Fuel TrimB4 Time Since DTCs Cleared Time Since Engine Start Total Engine Idle Time Total Engine Run Time Total Engine Run wPTO Total Run w IE ACED 1 Total Run w IE ACED 10 Total Run w IE ACED 2 Total Run w IE ACED 3 Total Run w IE ACED 4 Total Run w IE ACED 5 Total Run w IE ACED 6 Total Run w IE ACED 7 Total Run w IE ACED 8 Total Run w IE ACED 9 18 Live Data Commanded Wastegate B Control Module Voltage Distance Since DTCs Clrd Distance Traveled MIL On DPF Delta Pressure B1 DPF Delta Pressure B2 DPF Inlet Pressure B1 DPF Inlet Pressure B2 DPF Inlet Temp B1 DPF Inlet Temp B2 DPF Outlet Pressure B1 DPF Outlet Pressure B2 DPF Outlet Temp B1 DPF Outlet Temp B2 Driver Demand Torque EGR A Error
23. can for Windows e Recorded GPS location is displayed within Google Earth on your PC e Easily save and load your favorite screen layout configurations e Numerous screen layout options with meter graph and dial gauge widgets e Dynamic portrait and landscape orientation changes e Full gesture support including pinch zoom graphs drag zoomed graphs and double tap zoom Minimum Android Requirements Android Smartphone or tablet running Android 2 2 or higher 2 Preface Installing Android Software Installing the Dyno Scan for Android software and pairing the OBD II adapter is easy This section shows you how Software Installation The Dyno Scan for Android software is loaded onto your Android device using the Google Play Store application on your smart device 1 Start the Google Play Store application on your Android 2 Search for DynoScan 3 Install the free Dyno Scan application http play google com store apps details id com auterra dynoscan OBD II Adapter Connections 1 Plug the OBD II cable and Bluetooth OBD ll adapter together using the 9 pin connector 2 Plug the OBD II cable into the vehicle s OBD Il connector The 16 pin OBD II connector is usually located in plain sight underneath the dash near the driver s seat It may also be located behind ashtrays 3 Turn the vehicle ignition ON the vehicle does not have to be running The Bluetooth OBD II is now powered and ready for use Bluetooth Pairing
24. d by the engine at idle speed Engine Torque Point X up to 4 the torque limit that indicates the available engine torque that can be provided by the engine point X of the engine map Equivalence Ratio BX SX up to 16 is defined as the ratio of the fuel to oxidizer ratio to the stoichiometric fuel to oxidizer ratio Evap System Vapor Press evaporative system vapor pressure normally obtained from a sensor located in the fuel tank Exhaust Gas Temp BX SX exhaust gas temperature Exhaust Gas Pressure BX exhaust gas pressure Fuel Injection Timing the start of the mail fuel injection relative to Top Dead Center TDC Positive degrees indicate before TDC Negative degrees indicate after TDC Fuel Level Input indicates the nominal fuel tank liquid fill capacity as a percent of maximum Fuel Rail Press Rel Manifold displays the fuel rail pressure referenced to the manifold vacuum relative pressure Fuel Rail Pressure indicates the fuel rail pressure at the engine referenced to atmosphere gauge pressure Fuel Rail Pressure abs fuel rail pressure at the engine when the reading is absolute Fuel Rail Pressure gauge displays the fuel injection rail pressure at the engine when the reading is referenced to atmosphere gauge pressure Fuel Rail Pressure A up to 2 fuel rail pressure when the reading is referenced to atmosphere gauge pressure Fuel Rail Temp A up to 2 the fuel rail
25. des screen reads and clears both generic and enhanced codes 38 Trouble Codes There are four types of trouble codes P Powertrain B Body C Chassis and U Network Communication The scan tool reads and clears all P codes and depending on the vehicle B C and U codes as well Not all vehicles support retrieving and clearing B C and U codes 39 Trouble Codes Preferences Preferences allow you to set the global system settings Preference Metric Fast Sampling CAN 6x MPG Correction Distance Correction Vehicle Speed Correction Boost Calibration Engine Size Demo Mode Hide Welcome Screen Function English or Metric units of measure Allows faster data sampling on some vehicle protocols Allows querying 6 sensors at a time on CAN bus equipped vehicles Percent correction factor of the computed MPG Percent correction factor of the distance traveled Percent correction factor for the vehicle speed Used to correct for an inaccurate speedometer due to non stock tires sizes Boost pressure calibration Engine size in liters Enables simulation of all vehicle data Useful to test the product without connection to a vehicle Hides the opening welcome screen 40 Preferences Fast Sampling Demo Mode se Bluetoot Hide Welcome ng welcome screen dia MPG Correction Distance Correction yccuracy O Vehicle Speed Correction e accuracy Figure 19 Preferences
26. e B Cmd Fuel Rail Pressure A Cmd Fuel Rail Pressure B Cmd Injection Pressure A Cmd Injection Pressure B Cmd Throttle Actuator A Cmd Throttle Actuator B Cmd Variable Turbo A Cmd Variable Turbo B Command Throttle Actuator Commanded EGR Commanded EGR A Duty Commanded EGR B Duty Commanded Equival Ratio Commanded Evap Purge Commanded Intake Air A Commanded Intake Air B Commanded Wastegate A Equivalence Ratio B1 S3 Equivalence Ratio B1 S3 2 Equivalence Ratio B1 S4 Equivalence Ratio B1 S4 2 Equivalence Ratio B2 S1 Equivalence Ratio B2 S1 2 Equivalence Ratio B2 S2 Equivalence Ratio B2 S2 2 Equivalence Ratio B2 S3 Equivalence Ratio B2 S3 2 Equivalence Ratio B2 S4 Equivalence Ratio B2 S4 2 Evap System Vapor Pres Evap System Vapor Press Exhaust Gas Temp B1 S1 Exhaust Gas Temp B1 S2 Exhaust Gas Temp B1 S3 Exhaust Gas Temp B1 S4 Exhaust Gas Temp B2 S1 Exhaust Gas Temp B2 S2 Exhaust Gas Temp B2 S3 Exhaust Gas Temp B2 S4 Exhaust Pressure B1 Exhaust Pressure B2 Fuel Injection Timing Fuel Level Input Fuel Rail Press Rel Manifold Fuel Rail Pressure Fuel Rail Pressure abs Fuel Rail Pressure gauge Fuel Rail Pressure A Fuel Rail Pressure B Fuel Rail Temp A Fuel Rail Temp B Hybrid Battery Pack Life Ignition Timing Advance Injection Pressure A Injection Pressure B Intake Air Temp B1 S1 Intake Air Temp B1 S2 Intake Air Temp B1 S3 Intake Air Temp B2 S1 Intake Air Temp B2 S2 Intake Air Temp B2 S3 Intake Air Temperature Int
27. e Screen The Edit Dyno Setup File allows changing the vehicle dyno parameters The screen is accessed by pressing the Edit Dyno Setup File button on the Dyno Run screen Weight weight of the vehicle including passengers during the run Gear Ratio the overall gear ratio of the vehicle which includes transmission and axle Tire Diameter the vehicle tire diameter Temperature current outside temperature Elevation elevation at the test track Humidity current outside humidity Pressure current outside altimeter pressure available from www nws noaa gov Altimeter pressure is different than barometric pressure Drag Coef drag coefficient of vehicle Frontal Area the frontal area of the vehicle Use common sense let off the accelerator if something gets in the way of the vehicle 30 Dyno Operation Note an optional text note ETA Mey Co mee Edit Dyno Setup File Name Default ds Weight Tire Diameter Gear Ratio Drag Coef 7 000 0 35 Frontal Area Temperature E E Elevation Humidity 25 Pressure Figure 14 Edit Dyno Setup Dialog The software can measure the gear ratio and compute the tire diameter for you See the Measure Gear Ratio Screen section Measure Gear Ratio Screen The software can measure the vehicle overall gear ratio and compute the vehicle tire diameter 1 Display the Power Torque Options menu by long pressing the Recent Apps or press the Menu
28. el algorithm If the fuel system is open loop 0 correction should be reported Time Since DTCs Cleared engine run time accumulated since DTCs were cleared 23 Live Data Time Since Engine Start indicates the elapsed time since the engine was started while the engine is running Total Engine Idle Time total engine idle time for the life of vehicle Total Engine Run Time total engine run time for the life of vehicle Total Engine Run w PTO total engine run time with PTO power take off engaged for the life of the vehicle Total Run w IE ACED X up to 10 total engine run time with Emission Increasing Auxiliary Emission Control Device active for the life of the vehicle Turbo A In Compressor up to 2 turbocharger compressor inlet temperature Turbo A In Turbine Temp up to 2 turbocharger turbine inlet temperature Turbo A Inlet Pressure up to 2 turbocharger inlet pressure Turbo A Out Compressor up to 2 turbocharger compressor outlet temperature Turbo A Out Turbine Temp up to 2 turbocharger turbine outlet temperature Turbo A RPM up to 2 turbocharger revolutions per minute Variable Turbo A up to 2 variable geometry turbocharger actual vane position as a percent 0 when vanes are fully bypassed and 100 when the vanes are fully utilized Vehicle Speed displays the vehicle road speed Warm ups Since DTCs Cleared number of warm up cycles since all DTCs were cleared
29. evious complete 48 hour period of engine operation or the period needed for a demanded reagent consumption of at least 15 liters whichever is longer Avg Reagent Consumption average reagent consumption by the engine system either over the previous complete 48 hour period of engine operation or the period needed for a demanded reagent consumption of at least 15 liters whichever is longer Barometric Pressure barometric pressure normally obtained from a dedicated barometric sensor Note some weather services report barometric pressure adjusted to sea level In these cases the reported value may not match the displayed value Boost Pressure A up to 2 the actual turbocharger supercharger pressure Calculated Load Value indicates a percentage of peak available torque Reaches 100 at wide open throttle at any altitude or RPM for both naturally aspirated and boosted engines Catalyst Temp Bank X Sensor X up to 4 the catalyst substrate temperature Chrg Air Cooler Temp BXSX up to 4 the charge air cooler temperature Cmd Boost Pressure A up to 2 the ECU commanded turbocharger supercharger pressure Cmd Fuel Rail Pressure A up to 2 the commanded fuel rail pressure when the reading is referenced to atmosphere gauge pressure Cmd Injection Pressure A up to 2 the commanded injection control pressure Cmd Throttle Actuator A up to 2 the commanded throttle actuator 0 fully closed and 100
30. ews and records live sensor data from the vehicle Graph Meter and Gauge widgets are available in addition to different layout options The Live Data screen support multiple gestures such as long press double tap pinch zoom drag and swipe 7 Live Data gt 1 Dyno Scan Recording Yukon id Figure 3 Live Data Screen Live Data Options Menu The Live Data options menu is displayed by long pressing the Recent Apps or Menu button This menu has three options Layout Record and Screen 8 Live Data Record The Record option brings up the Record menu To record data follow the steps below 1 Display the Live Data Options menu by long pressing the Recent Apps or press the Menu button 2 Select the Record menu option 9 Live Data GAO RAG Fa 258331 PM Record Start Recording Stop Recording New Live Data File Select Live Data File Figure 4 Record Menu 3 Select the New Live Data File menu option 4 Enter a name for the recorded data Touch the File Name box to bring up the keyboard Press Create File Display the Live Data Options menu by long pressing the Recent Apps or press the Menu button Select the Record menu option Select the Start Recording menu option Data is now being recorded to your file Display the Live Data Options menu by long pressing the Recent Apps or press the Menu button 10 Select the Record menu option 11 Select the Stop Recording menu option 12 The data
31. he quality and performance of the Software is with you Should the Software prove defective you assume the cost of all necessary servicing repair or correction AUTERRA OR ITS PRINCIPALS SHAREHOLDERS OFFICERS EMPLOYEES AFFILIATES CONTRACTORS SUBSIDIARIES OR PARENT ORGANIZATIONS SHALL NOT BE LIABLE FOR ANY INCIDENTAL INDIRECT OR CONSEQUENTIAL DAMAGES OR OTHER DAMAGES INCLUDING BUT NOT LIMITED TO LOSS OF PROFITS LOSS OF REVENUE LOSS OF DATA LOSS OF USE OF THE PRODUCT OR ANY ASSOCIATED EQUIPMENT DOWNTIME AND CONSUMER S TIME OR FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY OR CONDITION DAMAGE TO THE VEHICLE BREACH OF CONTRACT NEGLIGENCE STRICT LIABILITY OR ANY OTHER LEGAL THEORY RELATED TO THIS PRODUCT Copyright 1998 2014 Auterra LLC All rights reserved Trademarks Windows is a registered trademark of Microsoft Corporation Google and Google Earth are trademarks of Google Inc iii Table of Contents Table of Contents Table of Contents i Preface 1 Key Features 1 Minimum Android Requirements 2 Installing Android Software 3 Software Installation 3 OBD II Adapter Connections 3 Bluetooth Pairing 3 Live Data 5 Connect to Vehicle 5 Sleep Disabled 6 Options Menu 6 Switching Screens 7 Live Data Screen 7 Live Data Options Menu 8 Live Data Options Context Menu 11 Live Data Screen Gestures 16 Graph Widget Gestures 16 Gauge Widget Gestures 17 Meter Widget Gestures 17 Supported Parameters 17 Dyno Operation 25
32. icients frontal areas and vehicle weights The web site www carfolio com has specifications for thousands vehicles Many frontal areas on the Internet are listed in metric square meter m To convert to square feet f multiply the metric frontal area by 10 76 2 11 m x 10 76 22 71 f Calculation of Frontal Area Frontal area can be calculated for any car The frontal area represents the front projection area of the vehicle If one takes a straight on picture of the front of a vehicle it is the area included in the outline Use the following to calculate 1 Calculate the area of a rectangle which would encompass the front of the vehicle multiply width by the height 2 Adjust the figure obtained above for areas not included such as top rounded corners etc Typical adjusting values are 85 percent for cars and 100 percent for trucks Automatic Transmissions The software uses the gear ratio on the power torque run which is performed under heavy acceleration The gear ratio run however is performed under essentially a no load condition where the torque converter slippage is negligible Therefore for automatic transmissions the measured gear ratio may have to be lowered by 5 to 15 to account for the torque converter slippage Otherwise the power and torque curves will show lower than expected results 35 Dyno Operation Trouble Codes The Trouble Codes screen shows the vehicle diagnostic trouble code DTC number a
33. n Scan Tool Lost Communication If the Lost Communication dialog appears this means the software initially established communication but subsequently lost it Try the following remedies 1 Ensure the OBD II Adapter is securely plugged into the vehicle s OBD II connector 2 Ensure your Android is within range of the OBD II Bluetooth adapter 49 Troubleshooting Live Data Screen Is Blank Long press any Live Data screen cell and a popup menu will display to select parameters Clearing Codes Did Not Work or MIL Didn t Turn Off There are a few possible causes for the check engine light not to extinguish or the DTCs to reappear on the scan tool First if the problem is not fixed the DTC may return immediately for problems such as misfires open or shorted sensors etc Second some vehicles cannot be running when the memory is cleared In these cases ensure the key is on but the engine is off before attempting to clear the memory Last some vehicles require after the codes are cleared for the ignition key to be turned off and then on again before the MIL light actually turns off 50 Troubleshooting
34. nd the code definition You can also clear trouble codes on this screen This section shows you how View Trouble Codes 1 Press Connect on the Main Menu to connect to the vehicle 2 Press the Trouble Codes button 3 Wait about 30 seconds and any stored trouble codes will automatically be displayed 36 Trouble Codes Generic Evaporative Emission Control System Leak Detected fuel cap loose off Generic Engine Oil Pressure Too Low Generic Evaporative Emission Control System Purge Control Valve Circuit Open Generic Power Steering Pressure Sensor Generic Power Steering Pressure Sensor Circuit Intermittent Generic PCM ECM TCM Internal Temperature Sensor Circuit Generic Pressure Control Solenoid B Stuck On Generic TCM Power Relay Sense Circuit Figure 17 Trouble Codes Screen Clear Trouble Codes 1 Press Connect on the Main Menu to connect to the vehicle 2 Press the Trouble Codes button 3 Display the Trouble Codes Options menu by long pressing the Recent Apps or press the Menu button 37 Trouble Codes Generic Evaporative Emission Control System Leak Detected fuel cap loose off Generic Engine Oil Pressure Too Low Generic Evaporative Emission Control System Purge Control Valve Circuit Open Generic Power Steering Pressure Sensor Generic Evaporative Emission Control System Purge Control Valve Circuit Open Generic Power Steering Pressure Sensor Circuit Intermittent Generic PCM EC
35. no Setup Parameters after Recording The recorded files can be opened using the Dyno Scan for Windows PC software In the case of the Power Torque files the dyno setup parameters e g gear ratio or elevation can be dynamically changed on the File Properties pane on your PC and a new HP torque curve drawn with the newly entered parameters Drag Coefficient and Frontal Area Common drag coefficients are usually in the range of 0 25 to 0 45 the lower the number the less wind drag on the vehicle Frontal areas are usually in the range of 17 to 28 sq ft the lower the number the less frontal area Smaller vehicles have lower frontal areas To get an understanding for these numbers refer to the table below 34 Dyno Operation Table 2 Drag Coefficients and Frontal Areas Vehicle Drag Coefficient Frontal Area sq ft 2005 BMW 325i 0 30 22 7 2005 Chevrolet Corvette Z06 0 31 22 4 2006 Porsche Cayman 0 29 21 3 1999 Chevy Cavalier 0 36 21 5 2000 Ford Taurus 0 32 23 7 2000 Chevy Silverado 1500 2WD 0 45 28 0 2000 Ford Explorer 0 45 25 8 2002 Honda Insight 0 25 20 5 2002 Honda Civic Hatchback 0 36 20 5 2000 Acura Integra 0 32 20 1 2000 Volvo S40 0 32 20 9 2000 Mercedes E320 0 29 22 3 2000 Chrysler LHS 0 31 23 1 See the Auterra Vehicle Specifications document for more information on your specific vehicle make and model An Internet search is another good source of drag coeff
36. nomy and more The Dyno Scan for Android tests the vehicle in a completely real world situation that includes powertrain losses drag from disk brakes and wheel bearings tire rolling resistance etc everything a vehicle sees on the street Aerodynamic drag is compensated for within the calculations So whether your vehicle has the aerodynamics of a Chevy Suburban or a Porsche 911 the power calculations can correct for losses due to wind drag Weather conditions affect the output of an internal combustion motor A correction factor is applied to compensate the measurements for weather conditions and elevation The industry standard document for horsepower and torque corrections is SAE J1349 The Dyno Scan for Windows software applies this correction factor to all horsepower and torque measurements By applying these correction factors to the dyno results a vehicle dyno d in Denver on a hot day will give the same results as a chilly day in San Diego Using the Dyno Scan for Windows measurements generated are comparable with one another the world over The dyno runs are performed in a single gear Any gear will work however increased accuracy is obtained if the software has an increased measurement duration For instance the time to accelerate from 1000 RPM to 5000 RPM in 1 gear is a shorter duration than it would be in 3 gear Therefore using 2 or 3 gear for dyno runs offers longer test durations for greater accuracy Exte
37. nsive comparison testing on a Dynojet chassis dynamometer has shown the Dyno Scan to be extremely accurate Dynamometer Getting Started Using the dynamometer features requires a few one time configurations This section summarizes those steps 1 Obtain the drag coefficient frontal area and vehicle weight 2 Measure gear ratio of your vehicle 3 Create a Dyno Setup file 4 Create a Power Torque or Acceleration file 26 Dyno Operation Dyno Files The Dyno feature use three storage file types Power Torque stores Power Torque run data Acceleration stores Acceleration run data Dyno Setup stores Dyno setup variables such as vehicle weight elevation humidity etc Dyno Run Screen A Dyno Run is performed on either the Power Torque or Acceleration screens 1 Display the Power Torque Options or Acceleration Options menu by long pressing the Recent Apps or press the Menu button Gear Ratio Figure 11 Power Torque Options Menu 2 Select Dyno Run from the options menu 27 Dyno Operation 2 Dyno Run Run Destination File Dyno Setup File Edit Dyno Setup File Status Idle MN ee Figure 12 Dyno Run Dialog 3 Select an existing Run Destination File in the dropdown or press New to create a new file 4 Select an existing Dyno Setup File in the dropdown or press New to create a new file 5 Optionally press Edit Dyno Setup File to edit the dyno setup parameters for the currently selected D
38. peeds Always uses a closed course raceway when performing dynamometer and acceleration tests Terms of Use The Software contains proprietary and confidential information that is protected by applicable intellectual property and other laws You may not modify or sell works based on the Software The Software is for your personal use We grant you a personal and non exclusive license to use the object code version of the Software on a single Windows based personal computer provided that you do not and do not allow any third party to copy modify reverse engineer create derivative works from assign or otherwise transfer any right in the Software and you will not modify the Software by any means Disclaimer The Product is the complete Dyno Scan for Windows product including hardware software user manual and packaging Auterra LLC assumes no responsibility for any loss or claim by third parties which arise through the use of this Product Auterra LLC assumes no responsibility for any damage or loss caused by deletion of data as a result of a Product malfunction Be sure to backup copies of all important data on other media to protect against data loss The Software and all accompanying files data and materials are provided as is without warranty of any kind either expressed or implied including but not limited to the implied warranties of merchantability and fitness for a particular purpose The entire risk as to t
39. per gallon or liter of fuel Fuel Used amount of fuel used by the vehicle Idle Percent the ratio of Drive Time vs Idle Time Idle Time the engine idling time defined as the motor running with the vehicle speed at 0 Instant Economy is defined as the instantaneous fuel economy of the vehicle e g MPG Absolute Evap Vapor Pres the evaporative system vapor pressure normally obtained from a sensor located in the fuel tank or a sensor in an evaporative system vapor line 19 Live Data Absolute Load Value indicates a percentage of peak available torque The normalized value of air mass per intake stroke displayed as a percent Absolute Throttle Position up to 3 the absolute throttle position not the relative or learned throttle position Usually above 0 at idle and less than 100 at full throttle Accelerator Pedal Pos up to 4 the absolute pedal position not the relative or learned pedal position Actual EGR A Duty up to 2 actual EGR displayed as a percent Actual Engine Torque the calculated output torque of the engine Air Flow Rate From MAF indicates the airflow rate as measured by the mass airflow sensor Alcohol Fuel Percentage percentage of alcohol fuel contained in ethanol or methanol fuels Ambient Air Temperature displays the ambient air temperature Avg Demanded Consumption average demanded reagent consumption by the engine system either over the pr
40. posted speed limit while on public highways Do not attempt to operate or observe the scan tool while driving a vehicle Driving requires the full attention of the driver Operating or observing the scan tool will cause driver distraction and could cause a fatal accident Theory of Operation A dynamometer or dyno for short is used to measure the power produced by an engine Until now automotive dynos were either crankshaft dynamometers or chassis dynamometers Crankshaft dynos require the motor to be removed from the vehicle The power is measured directly at the crankshaft or flywheel and is not affected by transmission and 25 Dyno Operation axle powertrain losses Vehicle manufacturers spec crankshaft power on new cars and trucks Chassis dynos test the entire vehicle The vehicle is tied down to a large machine and the drive wheels are placed over a rotating drum The chassis dyno tests the entire powertrain system not just the crankshaft power This is a more realistic test since it measures the power delivered to the wheels not just the crankshaft As such the power figures measured are always less than with a crankshaft dyno since the powertrain robs some power from the vehicle Dyno Scan for Android The Auterra Dyno Scan for Android software is designed expressly for the automotive enthusiast It uses the OBD II computer port located on all 1996 and newer automobiles to compute engine power acceleration times fuel eco
41. red to run the Dyno Scan for Android software This kit contains the Bluetooth OBD II adapter The Android software offers features such as read and clear trouble codes turn off the Check Engine light and display live sensor data from the vehicle The Dyno software adds a performance measuring package that includes a dynamometer acceleration tests and fuel economy measurements Key Features Dyno Scan for Android offers a multitude of diagnostic and performance measuring features e Works with Auterra s Bluetooth adapter included within the A 303 Dyno Scan for Windows Bluetooth kit e Android and Windows PC platforms supported with Auterra s Bluetooth OBD II adapter e All 1996 and later vehicles supported including American Asian and European e Wirelessly view and record data from your vehicle using Bluetooth e Record vehicle sensor data and GPS position data e Open files recorded on Android with the Dyno Scan for Windows software e Read clear vehicle diagnostic trouble codes e Integrated DTC database with thousands for trouble code definitions e Software supports 264 live vehicle parameters e CAN 6x mode for 600 faster data throughput vehicle dependent feature e Measure horsepower and torque e Measure acceleration times such as 0 60MPH and 1 8mile times 1 Preface e Measure vehicle overall gear ratio e Open Android recorded data live data power torque and acceleration on your PC using Dyno S
42. solute Load Value Absolute Throttle Pos B Absolute Throttle Pos C Parameter EGR Temperature B2 S2 Engine Coolant Temp Engine Coolant Temp 1 Engine Coolant Temp 2 Engine Fuel Rate Engine Oil Temp Engine Reference Torque Engine RPM Engine Torque Idle Point 1 Engine Torque Point 2 Engine Torque Point 3 Engine Torque Point 4 Engine Torque Point 5 Equivalence Ratio B1 S1 Equivalence Ratio B1 S1 2 Equivalence Ratio B1 S2 Equivalence Ratio B1 S2 2 Parameter O2 B1 S2 Wide Range V 02 B1 S3 Wide Range mA O2 B1 S3 Wide Range V 02 B1 S4 Wide Range mA O2 B1 S4 Wide Range V 02 B2 S1 Wide Range mA 02 B2 S1 Wide Range V 02 B2 S2 Wide Range mA 02 B2 S2 Wide Range V 02 B2 S3 Wide Range mA 02 B2 S3 Wide Range V 02 B2 S4 Wide Range mA 02 B2 S4 Wide Range V O2 Sensor B1 S1 O2 Sensor B1 S2 O2 Sensor B1 S3 O2 Sensor B1 S4 17 Live Data Absolute Throttle Position Accelerator Pedal Pos D Accelerator Pedal Pos E Accelerator Pedal Pos F Actual EGR A Duty Actual EGR B Duty Actual Engine Torque Air Flow Rate From MAF Alcohol Fuel Percentage Ambient Air Temperature Avg Demanded Consumption Avg Reagent Consumption Barometric Pressure Boost Pressure A Boost Pressure B Calculated Load Catalyst Temp B1 S1 Catalyst Temp B1 S2 Catalyst Temp B2 S1 Catalyst Temp B2 S2 Chrg Air Cooler Temp B1S1 Chrg Air Cooler Temp B1S2 Chrg Air Cooler Temp B1S2 Chrg Air Cooler Temp B2S1 Cmd Boost Pressure A Cmd Boost Pressur
43. ternatively display the Live Data Options menu by long pressing a Live Data screen cell Select the Select Layout option Select a layout option from the list The screen will update to the newly selected layout 13 Live Data Gx OGG pni 3 0 PM Figure 8 Layout Menu Open Layout 1 2 3 4 Display the Live Data Options menu by long pressing a Live Data screen cell Select the Open Layout option Select a previously saved layout from the list The screen layout widgets and parameters displayed will then change to the settings stored within the layout file 14 Live Data ESA bok 3H oe on eae Open Layout logging sc tuning layout sc Figure 9 Open Layout Menu Save Layout 1 a A WwW N Display the Live Data Options menu by long pressing a Live Data screen cell Select the Save Layout option Enter a name to save the current layout Press Create File The current layout is now saved 15 Live Data New File File Name Y layouts la youth gt Ue lala lsisizieliolo giwlelritlyjulijolp laisidi lod n E iki th zi xc vi bin mi slo Y es Il one Figure 10 New File Dialog Live Data Screen Gestures The Live Data screen responds to the following gestures Gesture Result Swipe Right Go to Main Menu screen Swipe Left Go to Power Torque screen Graph Widget Gestures The graph widget responds to the following gestures Gesture
44. tware File Types The software uses these different files extensions Table 3 File Types File Type File Description Extension Live Data File Id Live data files store live parameter recordings Power Torque File pt Stores power torque run data Acceleration File ac Stores acceleration run data Dyno Setup File ds Stores vehicle and environmental setup information Screen Config SC Screen configuration file Copy Files to PC To copy the recorded data from your Android to a Windows PC follow the procedure below 1 2 3 4 Plug the Android device into your Windows PC using a USB cable Ensure you are logged into your Android device Go to the Phone gt Auterra directory Copy the recorded data from the phone to somewhere on your Windows PC 45 Windows PC Software MIEN ile Home Share View T ES x Cut k x lt j J Fy New item gt P open X BB select all a Copy path j T Easy access z P Edit Select none Paste A Move Copy Delete Rename New Properties a Paste shortcut to to folder il C7 o gt History gr invert selection ganize Ney Oper M J ThisPC SAMSUNG SM G900V Phone gt Auterra Y Search Auterra A Ai Favorites Mile Default ds Bi Defaultid E Desktop E dee Auterra Dyno Scan Dyno Setup file UA Auterra Dyno Scan Live Data file a 617 bytes 26 3 KB l Downloads Recent places h logging sc AE my recording ld j q SC File
45. uch that a gauge pressure reading may be obtained boost pressure absolute pressure Boost Calibration Two factors affect the Boost Calibration accuracy weather conditions and elevation changes the later being more significant Enter a new Boost Calibration for the most accurate gauge pressure measurements The boost calibration does not adjust the turbo boost pressure of the vehicle To compute a Boost Calibration correction factor 1 Connect Dyno Scan to your vehicle Ensure your vehicle is not running Select the Boost Calibration option to 0 Go to the Live Data screen and monitor the Boost Pressure parameter a A O N The Boost Pressure parameter will display This is your Boost Calibration correction factor With the Boost Calibration preference at 0 and the vehicle off the Boost Pressure value shown is atmospheric pressure 6 Set the Boost Calibration to the value measured above 43 Preferences Engine Size The Engine Size preference is used in the following parameters Instant Economy 2 Average Economy 2 Fuel Used 2 and Air Flow Rate From MAP Ensure you enter an accurate engine size in liters if you use these parameters 44 Preferences Windows PC Software Auterra s Windows and Android software share the same file format Files save on Android can be opened using the Dyno Scan for Windows PC software Refer to the Dyno Scan for Windows User Guide for detailed information on how to use the PC sof
46. yno Setup File 28 Dyno Operation GA OM FWP 9G 10 26AM Edit Dyno Setup File Name Default ds Weight Tire Diameter 3000 26 00 Gear Ratio Drag Coef 7 000 0 35 Frontal Area Temperature E E Elevation Humidity 25 Pressure 29 24 Figure 13 Edit Dyno Setup Dialog 6 Press Start Run to start a 10 second countdown 7 During the countdown start driving the vehicle in the gear the run is going to be performed in e g 2 gear The vehicle RPM during the countdown should be relatively low under 2000 RPM the throttle steady and clutch out if a manual transmission 8 At the end of the countdown the software will beep At the beep floor the accelerator to achieve maximum acceleration 9 Once maximum RPM is reached either shift to the next higher gear or decelerate the vehicle by letting off the accelerator Bring the vehicle to a complete stop and press Done to stop data collection 10 The Power Torque or Acceleration graph will be automatically displayed Power Torque Run Do s and Don ts For safety and the most accuracy from the Dyno software please follow the guidelines below Keep your attention on driving the software is designed to require no user intervention when a run is performed Start the power torque run while the vehicle is stopped During the countdown accelerate to the correct gear and starting RPM Audible tones signal when to accelerate the vehicle 29 Dyno Operation
47. yno Setup File and select the setup file 3 The dyno setup data is shown in the Dyno Setup Properties pane typically on the right side of the screen If hidden select the View gt Dyno Setup Properties menu to display the pane 48 Windows PC Software Troubleshooting This section contains solutions for common problems encountered with the scan tool Scan Tool Connects but No Live Data If no live data is displayed in the Live Data screens try the following remedies 1 Disable the Fast Sampling option in the Preferences menu 2 Disable the CAN 6x Communication option in the Preferences menu No Communication Scan Tool If the No Communication Scan Tool dialog appears this means the software cannot communicate with the vehicle Try the following remedies 1 Ensure the vehicle ignition is turned on Vehicle does not have to be running however it can be Ensure the Bluetooth is paired with the Android device Try pressing the Connect to Vehicle button again Ensure the OBD II Adapter is securely plugged into the vehicle s OBD II connector Ensure the vehicle is OBD II compliant oOo a fk Y DN Ensure no vehicle fuses are blown OBD II adapter power is derived from the vehicle and a blown fuse could prevent power from reaching the scan tool Sometimes the OBD II connector and cigarette lighter share the same fuse No Communication Vehicle If the No Communication Vehicle dialog appears see No Communicatio
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