ECU Software Calibration Instructions
Contents
1. Afr CA BTDC CA BTDC Status Status X One Calibration Guide Version 00 2008 07 01 Time from key on OEM malfunction indicator light state 0 off 1 on Apr malfunction indicator light state 0 off 1 on x shift light x flash code Usb flash disk state 0 sync 1 config 2 remove 3 search 4 open 5 assert 6 loaded 7 flash Vehicle speed Engine crankshaft speed Engine cylinder air load Pedal relative position Throttle relative position Ignition voltage Engine coolant temperature Intake air temperature Throttle mass air flow Wide range air fuel sensor bank 1 Wide range air fuel sensor bank 2 Heated exhaust gas oxygen sensor voltage bank 1 Heated exhaust gas oxygen sensor voltage bank 2 Intake cam angle bank 1 Intake cam angle bank 2 Engine position status Brake status 0 off 1 on All OEM sensor transfer functions have been calibrated for you at APR Double clicking on the Sensors folder will not open a calibration pane nothing to calibrate X One Calibration Guide Version 00 ALLAN PHILLIPS RACING 2008 07 01 4 00 AuxSensors Parameters MafMode RS1 0 1 1 Int Mass airflow sensor mode 0 Toyota 1 GM DMaf hzWatt VS1 0 8000 0 1 Hz Auxiliary digital mass air flow sensor frequency Pin 29 0 5V 20KHz cut off 1K 5V pull up Maf2 VS1 0 500 0 1 g s Auxiliary digital mass air flow sensor value Pin 29 0 5V 20KHz cut off 1K 52. DrviDC RLe3 0 100 0 5 dc Auxiliary driver 1 duty cycle output value Pin 8 Low Side Driver 3A Drv2DC RLe3 0 100 0 5 dc Auxiliary driver 2 duty cycle output value Pin 9 Low Side Driver 3A Drv3DC RLe3 0 100 0 5 dc Auxiliary driver 3 duty cycle mode output value Pin 10 Low Side Driver 3A 8 01 Auxiliary Actuator Notes The X One comes equipped with 8 additional automotive quality low side drivers capable of sinking 3 Amps The first 4 drivers are dedicated to auxiliary injector control Secondary port and throttle system while the last driver is dedicated to boost control This leaves 3 drivers available for controlling any custom user device The Drv1Pol parameter controls the polarity while the Drv1Period controls the period from 10 to 1000 Hz The DrviDC isa standard speed load table that specifies the duty cycle These 3 drivers can be used to actuate auxiliary shift lights relays valves and pumps 16 X One Calibration Guide Version 00 ALLAN PHILLIPS RACING 2008 07 01 9 00 Auxiliary Boost Control Parameters isP 1 VS1 0 1 1 State Boost control state 0 off 1 on dcP1 VS1 0 100 0 1 dc Boost control commanded duty cycle for solenoid Pin 7 Low Side Driver 3A epP 1 VS1 100 100 0 1 KPa s Boost control error signal sensed P1 commanded eiP1 VS1 100 100 0 1 KPa Boost control integral error signal P1Pol RS1 0 1 11 Int Boost control polarity select O positive 1 inverted Pin 7 Low Side
3. 100 0 001 Afr Fuel stoichiometry at stock port injectors InjAuxPortStoic RS1 0 100 0 001 Afr Fuel stoichiometry at auxiliary port injectors InjAuxThrStoic RS1 0 100 0 001 Afr Fuel stoichiometry at auxiliary throttle injectors InjPortDensity RS1 0 2 0 001 g cc Fuel density at stock port injectors InjAuxPortDensity RS1 0 2 0 001 g cc Fuel density at auxiliary port injectors InjAuxThrDensity RS1 0 2 0 001 g cc Fuel density at auxiliary throttle injectors InjStockSize RS1 0 1000 0 01 Ce Original port injector size as equipped by OEM InjPortSize RS1 0 1000 0 01 cC Primary port injector size InjAuxPortSize RS1 0 1000 0 01 cC Auxiliary port injector size InjAuxThrSize RS1 0 1000 0 01 cC Auxiliary throttle injector size InjAuxThrNum RS1 0 2 1 Int Number of auxiliary throttle injectors InjStockOffset RLe2 0 5 0 02 ms Stock injector offset as equiped by OEM InjPortOffset RLe2 0 5 0 02 ms Port injector offset InjAuxPortOffset RLe2 0 5 0 02 ms Auxiliary port injector offset InjAuxThrOffset RLe2 0 5 0 02 ms Auxiliary throttle injector offset InjAux Dist RLe3 0 1 0 005 i Injector distribution stock vs total auxiliary aux port aux thr InjAuxDistThr RLe3 0 1 0 005 Injector distribution auxiliary port vs auxiliary throttle 7 00 Injector Notes The X One injector control is designed to control the stock port injectors auxiliary secondary injectors at the port and auxiliary secondary injectors at the throttle Each injec
4. 928 925 925 323 922 925 925 933 932 927 933 926 924 917 926 924 92 1 925 920 922 919 923 919 321 925 923 928 928 932 amp 925 8 2 5 s 28 1 284 28 1 28 4 28 4 28 1 28 4 281 284 28 1 284 265 26 1 28 4 28 1 28 Bf 28 7 28 7 28 6 28 4 28 3 283 284 286 28 6 28 5 27 6 278 275 278 279 274 277 275 z gt The install included dataset illustrates knock feedback in action see the Knock chart This dataset was generated by a 4 gear performance run where the calibration was setup to purposely knock A quarter way into the 3 gear pull the OEM knock system pulled out about 1 and then ramped it back in The 4 gear pull shows about a 2 knock control that it replaced after half way Examine the included dataset to get a sense for what the knock pattern looks like If your custom spark calibration results in 4 or more being pulled out than either run higher octane fuel richen the Afr reduce the spark timing or find a way to reduce the cylinder charge temperatures The Toyota knock feedback system is designed to always test the knock threshold so that the adaptives can both increase and decrease spark to find the boundary A 1 2 knock spark retard is part of the normal operation However 4 or higher will require changes as stated above 14 X One Calibration Guide Version 00 ALLAN PHILLIPS RACING 2008 07 01 7 00 Injector Parameters Status VS1 0 1 1 Status Injector status 1 nominal InjPortStoic RS1 0
5. Driver 3A P1Period RS1 1 100 0 1 ms Boost control period Pin 7 Low Side Driver 3A P1On RS1 0 200 0 1 KPa Boost control enable pressure threshold P1Off RS1 0 200 0 1 KPa Boost control dissable pressure threshold dcP1 Off RS1 0 100 0 1 dc Boost control off commanded duty cycle dcP1Min RS1 0 100 0 1 dc Boost control duty cycle output minimum clip dcP1Max RS1 0 100 0 1 dc Boost control duty cycle output maximum clip eiP1Min RS1 100 100 0 1 KPa s Boost control integral error signal minimum clip eiP1Max RS1 100 100 0 1 KPa Boost control integral error signal maximum clip kpP1 RS1 100 100 0 0001 Boost control proportional gain kiP1 RS1 100 100 0 0001 i Boost control integral gain P1Max RLe2 0 200 0 1 KPa Boost control commanded maximum P1 pressure as a function of engine speed P1Cmd RLe3 0 100 0 1 dc Boost control feedforward solenoid command 8 01 Auxiliary Boost Control Notes The X One boost control law is dcP1 P1Cmd ESpeed Load koP1 epP1 kiP1 eiP1 epP1 P1Max P1 eiP1 integral epP1 with clips The P1Cmd table is the feedfoward commanded duty cycle while the kpP1 and KiP1 are the feedback error gains The P1Max parameter is the desired boost trajectory while the control is enabled with the P1On and P1Off thresholds 17
6. V pull up Pin30 VS1 0 1 1 State Pin 30 digital state 0 low 250V to 160mV 1 high 345mV to 250V 20KHz cut off 185mV hysteresis Boost VS1 20 20 0 1 Psi Auxiliary sensor channel 0 boost Pin 11 0 5V relative to P1 engine off Pamb VS1 70 120 0 1 KPa Auxiliary sensor channel 0 sensed key on engine off ambient absolute pressure Pin 11 0 5V 50Hz cut off P1 to P8 RPs1 0 200 0 1 KPa Auxiliary sensor channels 0 7 absolute pressure Pins 11 to 18 0 5V 50Hz cut off T1 to T7 RLs1 0 1800 0 1 F Auxiliary sensor channel 8 14 temperature Pins 19 to 25 0 5V 50Hz cut off Uego1 RPs1 0 20 01 Afr Auxiliary sensor channel 15 UEGO sensor Pin 26 0 5V 50Hz cut off 4 01 AuxSensors Notes The X One can be calibrated for oversized and high precision digital mass air flow sensors 900 CFM that allow accurate Maf sensing from idle to max flow Complete access to the auxiliary sensor transfer functions is provided The digital Maf sensor DMaf inputs is for a 85mm GM Delphi unit that can be found on 1999 2006 4 8L 5 3L 6 0L 8 1L Chevy GMC trucks part 2531 8411 connect 1219 1482 and pins 1212 4075 You never have to resort to a speed density calibration MAP sensor based when you re dealing with large flow numbers the GM DMaf is the perfect solution Pin30 is a general purpose Schmidt trigger digital input with a very wide voltage range The Boost parameter is calculated relative to the P1 pressure sensor ambient pres
7. X One Calibration Guide ALLAN PHILLIPS RACING Allan Phillips Racing L L C X One Calibration Guide Version 00 Issue Date 2008 07 01 Table of Contents Getting Started Prerequisites 1 00 X One Overview 1 01 X One Parameter Types 1 02 X One Parameter Type Storage 1 03 X One Power Management 1 04 X One USB Flash Key UFD 1 05 X One USB Flash Programming 1 06 X One Parameter Categories 2 00 Configuration Parameters 2 01 Configuration Notes 3 00 Sensor Parameters 3 01 Sensor Notes 10 4 00 Auxiliary Sensor Parameters 10 4 01 Auxiliary Sensor Notes 11 5 00 Fuel Parameters 11 5 01 Fuel Drivability Durability and Emissions 12 5 02 Fuel Feedback Control 13 6 00 Spark Parameters 13 6 01 Spark Drivability Durability and Emissions 14 6 02 Spark Feedback Control 15 7 00 Injector Parameters 15 7 01 Injector Parameters 16 8 00 Auxiliary Actuator Parameters 16 8 01 Auxiliary Actuator Notes 17 9 00 Auxiliary Boost Control Parameters 17 9 01 Auxiliary Boost Control Actuator Notes OOBMOAOANN OO O1 BW ND ND Version 00 2008 07 01 X One Calibration Guide Version 00 ALLAN PHILLIPS RACING 2008 07 01 Getting Started Thank you for choosing APR s X One product line The objective of this document is to detail the calibration parameters available in the X One ECU and outline the basic mapping principles Before getting started with tuning please read the APR XTune User s Manual located in the same fold
8. ark angle from OEM most current cylinder SparkAngle VS1 20 60 0 1 CA BTDC Commanded spark angle most current cylinder SparkAdj R 20 60 0 1 CA BTDC Spark tuning delta angle adjustment table as a function of engine speed and load Restrikes R 0 8 1 Int Spark number of re strike pulses as a function of engine speed SparkDynAdj RS1 0 4 0 01 Spark dynamic multiplier for transient knock compensation 6 01 Spark Drivability Durability and Emissions To understand aftermarket spark calibrations one must first understand the OEM spark calibration process The OEM s employ statistical methodologies based upon mean value components and the top compression ratio higher than the mean compression Typically an OEM will employ PI KI Pre Ignition Knock Intensity testing to determine the optimal maximum brake torque MBT timing for a given rich Afr trajectory After the best spark is determined that meets drivability and durability objectives the OEM will retard the timing another 4 to accommodate manufacturing tolerances fuel quality and ambient variances for different geographies The retard value also depends on their confidence in their knock control algorithm What all this means is that there are potential another 8 12 Ft Lbs left in reserve that can be brought forth with custom tuning Higher than 92 octane fuel will also unleash a few extra Ft Lbs with custom tuning As stated in the fuel calibration section ca
9. at contains all powertrain configuration parameters including limiters Acis VS1 0 1 1 State Acoustic control induction system state 0 closed 1 open CallD RS1 0 20 1 Int Calibration identifier MIL flash count ShiftLight RS1 0 10000 50 Rom Shift light MIL engine speed threshold NeMax0 RLe2 5450 6200 Y Rpm Mode 0 normal engine speed limiter as a 50 F Ect function of engine coolant temperature higher thresholds available VsMax RS1 124 150 1 Mph Vehicle speed limiter VsAdj RS1 0 4 1E 4 Vehicle speed correction factor for tire diameter and axle gear ratio AcisRomLow RS1 0 6200 50 Rom Acoustic control induction system low engine speed threshold AcisRpmHigh RS1 0 6200 50 Rom Acoustic control induction system high engine speed threshold AcisTps RS1 0 100 0 1 Acoustic control induction system throttle position threshold MaflD RS1 0 200 0 1 mm Maf sensor inner diameter Only modify if the Maf sensor inner diameter is changed MafAdij RLe2 0 1 775 Maf sensor tuning adjustment table Compensates 0 005 for induction modifications i e cold air induction that change the Maf transfer function 2 01 Configuration Notes Use the CallD parameter to uniquely identify calibrations flashes the MIL a calibratable number of times to identify the map The acoustic control induction system ACIS is used to control the intake runner lengths to leverage reflective tuning at the intake valve The MafID parameter sho
10. e will have available for measurement P1 Y the sensor output P1 V the sensor input voltage Likewise a table calibration for the commanded air fuel trajectory AfrCmd will have the following fields available for measurement AfrCmd Y the 4 point interpolation output value AfrCmd X0 the first input ordinate Rpm in this case utilized in the interpolation AfrCmd X1 the second input ordinate Load in this case utilized in the interpolation 1 02 XTune Parameter Type Storage The XTune parameter types are loaded into RAM from either the internal FLASH or UFD and utilized during runtime allowing real time tuning RTT In order to make calibration changes permanent the X One s Flash needs to be programmed takes about 30 seconds with the key on and engine off Otherwise the next time the ignition power is cycled the RAM will be loaded again with the internal FLASH parameters A Sync button is provided in XTune s Explorer panel that will refresh the RAM with the active calibration in case the ignition power is ever cycled during a calibration session engine can be running and only takes a second X One Calibration Guide Version 00 ALLAN PHILLIPS RACING 2008 07 01 1 03 X One Power Management The X One was designed to be USB or vehicle powered The USB power feature allows the X One to be programmed at the desktop if desired don t have your auxiliary sensor plugged in In the vehicle the X One wi
11. er to understand how the software operates Note that you can place XTune in Demo mode by pulling down on the upper left combo box in the Explorer pane After understanding and working with XTune in demo mode spend some time reading through this guide before starting your tuning work Familiarity with its contents will greatly aid the tuning workflow Warning Always have 2 people in the vehicle while performing calibration development work 1 driver and 1 tuner This allows the tuner to focus on their work while keeping it safe Prerequisites Warning The X One ECU is shipped with the naturally aspirated 92 octane calibration programmed Tta40 00 Na92 01 AprCal Supercharger customer will need to re program the X One with the appropriate supercharger calibration that may be downloaded from the APR website http www aprpower com ecu_downloads html The X One ECU comes standard with an 18 channel auxiliary measurement port including a universal harness for attaching any measurement The average tuner s development can get by with the on board OEM measurements such as the wide range air fuel WRAF sensors However anyone performing supercharger or highly modified powertrain calibration work would do well to add a universal exhaust gas oxygen UEGO sensor catalyst temperature sensor mid bed drilled 1 depth pressure temperature sensors along the induction air path and possibly an exhaust pressure sensor very importan
12. er successfull loading the X One will flash the factory Malfunction Indicator Lamp MIL a calibratable number of times based upon the user settable tuning parameter Config CallD in the map Any number of files can be loaded on the UFD however the X One will only load the top alopha numerical file tagged with X1 This tagging system allows file selection while preserving the calibration identity X One Calibration Guide Version 00 ALLAN PHILLIPS RACING 2008 07 01 1 05 X One Flash Programming The X One was designed to allow the USB data cable to be connected and removed at will However there are a few guide lines that will make development easier if followed 1 Only attempt flash programming after the Time parameter on the first Main instrument is counting This affirms that the USB is synchronized with the X One and ready to go 2 Leave the X One plugged in before starting XTune and try not to unplug it while it s operating Unplugging while operating requires resetting the USB port and takes a few seconds to establish synchronization Leaving the USB data port plugged in before during and after assures seamless operation 3 Never unplug the USB cable while performing a flash programming This will leave the X One in an undetermined state To recover you will need to 1 Shut down XTune with the USB data port unplugged 2 Turn off the ignition key and wait 2 minutes 3 Plug in the USB data port then
13. ge if the user changes them in XTune The RS1 type is a scalar calibration constant i e a single number such as the CallD the calibration ID The RPs2 type is a polynomial sensor class containing the A2D channel number filter coefficient and polynomial Y a0 al V a2 V 2 a3 V 3 a4 V44 The coefficients for the polynomial must be supplied either by the sensor manufacturer or may be fitted from the data using any math package such as Matlab or Excel X One Calibration Guide Version 00 ALLAN PHILLIPS RACING 2008 07 01 The RLs2 type is a linear interpolated sensor class containing the A2D channel number filter coefficient and an array of Y Values that match the sensor s transfer function The RLe2 type is a standard 2 point interpolation Y Function Of X0 Where the y values can be adjusted to fit any single valued line one that doesn t have more than one y point for each x point sometimes referred to as a fox function for FofX The RLe3 type is a standard 4 point interpolation Y Function Of X0 X1 Where the y values can be adjusted to fit any surface sometimes referred to as either a table or map The Y X0 X One V nomenclature is utilized in the AprDag and AprData tree locations to indicate the available fields for acquisition For example an auxiliary pressure sensor measurement P1 with the RPs2 typ
14. ll either turn on when plugged into the USB port or with the ignition key turned on However if the key is off and the USB plugged in the X One will cycle to power off every 60 seconds that will causes the USB port to cycle as if you removed the device and then plugged it back in again This is a reminder for you to always keep the ignition key turned on during development or unplug the USB data cable between development sessions 1 04 X One USB Flash Disk UFD The X One ECU comes with a standard UFD for rapid calibration changes with the engine running or not without the need fora PC Any standard FAT32 FAT16 or FAT12 file systems with the sector size set to 512 bytes and capacities up to 4GB are compatible Simply store your favorite calibration in the root directory on the supplied APR UFD and rename the file by tagging it with X1 in the leading characters X1TTa40 00 Na92 01 AprCal Computer Removable Disk E Bi Organize EE View Folders Yam i Date modified E Desktop 17ta40 00 Na92 01 AprCal 7 9 2008 1 54 PM APR Calibration File mi Mew Scott d Public i Computer 2 Local Disk C lt DVD RW Drive D ee Removable Disk E EF Network E Control Panel 5 Recycle Bin The X One will detect all UFD assertions removals search for any file starting with X1 and ending with the AprCal extension read and validate the file then load it into RAM in less than a second Aft
15. mance tables This results in a much easier and efficient calibration experience for our end users If a calibration modification is questionable simply resetting the table back to the APR base map X One Calibration Guide Version 00 ALLAN PHILLIPS RACING 2008 07 01 1 01 X One Parameter Types The following table lists all of the X One s parameter types VS1 V1 V1 Variable Basic 1 dimensional variable located in RAM RS1 R1 R1 Scalar Single number loaded from FLASH to RAM RPs2 R2 R2 Func V Polynomial sensor class RLs2 R2 R2 Func V Linear interpolated sensor class RLe2 R2 R2 Func X0 Standard 2 point interpolation function RLe3 R3 R3 Func X0 X1 Standard 4 point interpolation table cY Y Structure Output Type output value X0 X0 Structure InputO Type first ordinate x input X1 X1 Structure Input1 Type second ordinate x input V V Structure lnputVolts Sensor voltage input ordinate The number in the type identifier indicates the parameters dimension i e 1 a single point on a line 2 a line 3 a surface The type identifier is displayed in the Property Grid underneath the Explorer Tree while the simplified identifier i e V1 R1 R2 is utilized in the tree to indicate dimension The VS1 type is a simple variable that represents signals that change during runtime i e Rom All parameters starting with R are calibration types that get loaded into RAM from FLASH during startup and only chan
16. nd emission objectives Toyota has invested millions of dollars and man hours on each calibration using an army of engineers and advanced emission dynamometer laboratories At APR we believe that keeping the emissions and durability controls intact is imperative for a clean environment while keeping your automotive investment fully protected The X One fully leverages the Toyota calibration for emissions and durability by operating as a parallel processor while enabling performance tuning We have accomplished this by employing high end 32 Bit Multi RISC processors in a synergistic software hardware OEM architecture APR s X One contains over 5000 calibration parameters that work in harmony with the Toyota ECU Don t worry we ve meticulously done this calibration work for you leaving only a handful of performance tables available for users who modify their powertrain outside of our specification Every APR calibration is the result of a disciplined engineering process taking care of all durability emission and performance controls The X One control software is an advanced hierarchical design this allows us to seamlessly balance emissions diagnostics and performance Essentially we ve designed a controller inside the control that enables us to calibrate how a user s calibration change is integrated thus making user modification easier and managed with the production ECU In addition we employ a calibrate by difference approach for perfor
17. re must be taken to avoid over heating the catalyst and causing knock With the X One ECU it is easy to identify knock by examining the spark signals next section The X One keeps the OEM knock system intact by tracking the OEM spark trajectory and using the SparkAqj calibration parameter employed by difference In addition APR has taken care of temperature compensation internally The Restrikes parameter is only necessary for highly modified purpose built engines where an improvement in start and idle stability can be achieved The SparkDynAqj parameter is a multiplier on the APR dynamic spark calibration 13 X One Calibration Guide Version 00 ALLAN PHILLIPS RACING 2008 07 01 6 02 Spark Feedback Control Main Tta40_00 Na92 01 123 AprData 126 6 N ae aia een e te 1565 1566 1567 1568 1569 1520 1521 1522 1573 1534 1575 1576 __1527__1578 __1579___1580 aedbly 1562 1563 1564 1585 1586 1587 1585 1589 1590 1591 1592 1593 1594 1595 1596 1597 1595 15 686 520 686 530 686 560 686 550 686 560 686 570 686 580 686 590 686 600 686 610 686 620 65663 686 640 686 650 686 650 686 670 686 680 686 690 686 700 686 710 686 720 686 730 685 740 686 750 626 760 686 770 686 780 686 79 686 800 686 510 686 520 686 530 686 540 686 850 6864 5028 5030 5030 5032 5034 5037 5039 5041 5041 5044 S046 5049 5051 5053 5053 5055 S057 5059 5081 5063 5065 S065 5067 5069 5071 5073 5075 5075 5075 S078 5080 5082 5084 5087 50 924 929 926
18. re start XTune 4 Wait a minute and then issue a flash command to start a new download the Time parameter will not be counting until programmed successfully 5 Don t unplug the USB while programming 4 Turning the power off during programming should be avoided However the X One controls its own power off so this will not corrupt the programming 1 06 X One Parameter Categories The following table list the available calibration categories Config All configuration parameters such as the calibration ID and limiters Sensors All OEM sensors AuxSensors All auxiliary sensor channels Fuel All fuel calibration parameters Spark All spark calibration parameters Injectors All injector calibration parameters Actuators All auxiliary actuator parameters BoostControl All auxiliary boost control actuator parameters In the Explorer panel the categories are represented with folders Double clicking on them will open all parameters for that category in a Calibration panel There is never any need to hunt for a parameter just know the category double click the folder and it will be displayed in the calibration panel Note that the Sensors folder does not contain any calibration parameters so double clicking on it will not bring up a calibration panel 7 X One Calibration Guide Version 00 ALLAN PHILLIPS RACING 2008 07 01 2 00 Configuration Parameters Under the AprCal node the first calibration category is Config th
19. s pressures mass flows and Afr in the induction cylinder and exhaust pathways including various knock measurements Our calibration background is from and OEM drivability durability and emission perspective If you examine our AfrCmd table you ll notice that we command greater air fuel ratios than the aftermarket considered optimal at 12 5 1 The reasons for doing this is that we know our catalyst temperatures and knock suppression will last the life of the vehicle on 92 octane Mapping an air fuel and spark trajectory ona modern engine with 10 1 compression and closed coupled catalyst make the tuners task challenging If you do modify our AfrCmd table make sure to keep the mid bed catalyst temperatures below 1600 F and watch for spark knock indicators examined in the spark calibration section Note that the catalyst shock temperatures occur after tip out from performance driving when oxygen is supplied to a hydrocarbon saturated oven the catalyst The Apr calibration was generated in our specific geographic location with quality 92 octane fuel and 90 100 F ambient conditions at an altitude of 700 The ambient conditions in your area and fuel quality also play an important role in determining the optimal fuel and spark maps for your vehicle The last parameter FuelDynAdj is a simple multiplier on the Apr calibrated dynamic fuel compensation Multipliers greater than 1 increase the compensation pump shot while less than 1 dimini
20. shes it A value of zero removes all transient compensation 11 X One Calibration Guide Version 00 ALLAN PHILLIPS RACING 2008 07 01 5 02 Fuel Feedback Control The AfrCmd controls the Afr trajectory and is the main fuel control The APR control system utilizes Wraf sensor feedback along with an internal feed forward controller calibrated at APR for you This makes the Afr calibration effortless as compared to the earlier days of EFI system using a Hego single point sensor S Main TALON 2 01 12 AprDala PPTL TIHI TES TIH MMA TIIA Pe PT MATA 71172 MUD TMS NS MIE TAA MI Te 7 TIEN TIES TIED MIHI THEID TILH TIME MIE gT Er ETS ara Em ETIT ETT FITE S77 577E 5776 STE FH S71 STi STH ar Em Phy EA PTE IH pe ET HH IH 1 Wet TH ma ma 1185 1s AF 118 T TE AE TUE Vue Vs TH E EG HH 143 LEE ri Mg it EEE i 11 47 LEN ti LEE tA LEE 158 114 11 neq eq he TE TLES 11 Vue 1167 117 LLE LES LEE t LEE Be 1184 i201 120 17203 7 63 1207 12m 12 OF 17 2a 1 17 00 1201 1201 Ta toz Te 1201 Tie t203 iu 17 05 i 56 12 04 12205 1205 1705 1208 E b The install included dataset captures AfrCmd Wraf and Uego having a mean value accuracy within 0 1 Afr The more accurate the Maf and injector transfer function the tighter the Afr control will be 12 X One Calibration Guide Version 00 ALLAN PHILLIPS RACING 2008 07 01 6 00 Spark Parameters SStatus VS1 0 1 1 Status Spark status 1 nominal SparkAngleOEM VS1 20 60 0 1 CA BTDC Sensed sp
21. sure Pamb is taking during key on engine off during startup All pressure temperature channels can be configured for any sensor combination i e 16 pressures or 16 temperatures or 16 UEGOs The voltage and y output values are displayed in the top section of the calibration panel and can be used to identify sensor connections In order for the numeric indicators to work the sensor has to be added to the AprDaq Main DagList from the AprCal Tta40 AuxSensors node drag drop 10 X One Calibration Guide Version 00 ALLAN PHILLIPS RACING 2008 07 01 5 00 Fuel Parameters FStatus VS1 0 1 1 Status Fuel status 1 nominal InjPortMassOEM1 VS1 0 200 0 01 mg Sensed stock port injector mass from OEM bank 1 InjPortMassOEM2 VS1 0 200 0 01 mg Sensed stock port injector mass from OEM bank 2 InjPortMass1 VS1 0 200 0 01 mg Commanded primary port injector mass bank 1 InjPortMass2 VS1 0 200 0 01 mg Commanded primary port injector mass bank 2 InjAuxPortMass VS1 0 200 0 01 mg Commanded auxiliary port secondary injector mass InjAuxThrMass VS1 0 200 0 01 mg Commanded auxiliary throttle secondary injector mass AfrCmd RLe3 7 25 20 0 05 Afr Commanded AFR main table as a function of engine speed and load FuelDynAdj RS1 0 4 0 01 i hae acceleration enrichment oump shot multiplier 5 01 Fuel Drivability Durability and Emissions Notes Calibration development at APR includes an arsenal of sensors for measuring temperature
22. t given the use of close coupled catalyst All auxiliary measurement parameters are located under the AuxSensor node in the Explorer panel located under the AprCal node All details are given including the channel number pin number filter specifics and sensor transfer functions Depending on the temperature rating of the sparkplug you re running it s a good idea to replace colder running plugs before starting calibration work Modern sparkplugs are designed to be self cleaning by operating hotter and retaining the heat longer between combustion events While this may be good for maintenance it has the potential to hinder performance objectives Here at APR we prefer a 1 point colder sparkplug that can quickly dissipate heat between combustion events mandatory for supercharged powertrains 2 X One Calibration Guide Version 00 ALLAN PHILLIPS RACING 2008 07 01 1 00 X One Overview Introducing the ultimate powertrain management system for the Toyota 4 0L The X One has been designed to take complete control of the injection and ignition systems to allow absolute management of powertrain operation This enables the X One to adjust every aspect of the powertrain calibration including rev limiter extension since it drives the injectors and igniters directly as a true ECU Modern OEM powertrain management system contain over 15 000 calibration parameters that must be properly tuned in order to meet performance durability a
23. tor group can specify the complete injector transfer function fuel stoichiometry density and distribution The Bernoulli correction injector delta pressure is handled for you internally The auxiliary injectors are wired to the 33 socket see install guide for pin out and is available for qualified dealers The InjAuxDist parameters controls the distribution between stock port and all auxiliary a O in the table commands 100 stock a 0 5 splits 50 50 and a 1 is 100 auxiliary The InjAuxDistThr parameter works the same way but splitting the fuel distribution between auxiliary port and throttle The user must assure the commanded distributions match the capacities of the fuel system no logic on injector duty cycle are performed 15 X One Calibration Guide Version 00 ALLAN PHILLIPS RACING 2008 07 01 8 00 Auxiliary Actuator Parameters Drv1Pol RS1 0 1 1 Int Auxiliary driver 1 polarity select 0 positive 1 inverted Pin 8 Low Side Driver 3A Drv2Pol RS1 0 1 11 Int Auxiliary driver 2 polarity select 0 positive 1 inverted Pin 9 Low Side Driver 3A Drv3Pol RS1 0 1 1 Int Auxiliary driver 3 polarity select 0 positive 1 inverted Pin 10 Low Side Driver 3A Drv1Period RS1 1 100 1 ms Auxiliary driver 1 period Pin 8 Low Side Driver 3A Drv2Period RS1 1 100 1 ms Auxiliary driver 2 period Pin 9 Low Side Driver 3A Drv3Period RS1 1 100 1 ms Auxiliary driver 3 period Pin 10 Low Side Driver 3A
24. uld only be changed to accommodate the actual Maf inner diameter if it is changed Along with the MafAdj table matching the true mass airflow to the sensor transfer function is mandatory and has already been performed at APR for you Maf is utilized in 100 s of tables in both the Toyota and APR ECU and must be correct If not then any table with Load as an input will be off Be wary of aftermarket product that tweak the Maf voltage to change tuning simply a very bad idea The engine speed limiter comes set to the stock limit of 5450 Rom with a maximum clip set at 6200 This is a safe guard for users protecting the stock powdered rods and hypereutectic pistons Increased rev limiter calibrations are available from Authorized Dealers for highly modified race engine that are designed to handle the increased loading 8 ALLAN PHILLIPS RACING 3 00 Sensor Parameters Time MIL_Oem MIL Apr UfdState VSpeed ESpeed Load Pps Tps vign Ect lat Maf Wraf1 Wraf2 Hego1 Hego2 aCam1 aCam2 EStatus isBrake VS1 VS1 VS1 VS1 VS1 VS1 VS1 VS1 VS1 VS1 VS1 VS1 VS1 VS1 VS1 VS1 VS1 VS1 VS1 VS1 VS1 3 01 Sensor Notes O inf 0 10 0 1 1 0 1 10 0 1 7 0 150 0 1 0 7000 50 0 150 0 1 0 150 0 1 0 150 0 1 0 20 0 1 40 250 0 1 40 250 0 1 0 500 0 1 0 20 01 0 20 01 0 2 0 01 0 2 0 01 20 60 0 1 20 60 0 1 0 1 1 0 1 1 State State State Mph Rpm Ao Ao g s Afr
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