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Engine Control Unit MS 3 Sport GT3 Cup

Manual

Version 1.2 17/04/2019

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Summary of Contents for MS 3 Sport GT3 Cup

Page 1: ...Engine Control Unit MS 3 Sport GT3 Cup Manual Version 1 2 17 04 2019 ...

Page 2: ...Sport Systems Overview 4 3 Technical Data 5 3 1 Input channels 5 3 2 Output channels 5 3 3 Power supply 7 3 4 Ignition trigger wheel 8 3 5 Sensor recommendation 11 4 Starting up the ECU 12 4 1 Offline Data Application 12 4 2 Online Data Application 18 4 3 Activation of Software Options 21 5 Extensibility 22 ...

Page 3: ...driver Read the manual carefully and follow the application hints step by step Don t hesitate to contact us contact data can be found on the back side of this document NOTICE The Bosch Motorsport MS 3 Sport GT3 Cup was developed for use by professionals and requires in depth knowledge of automobile technology and experience in motorsport Us ing the system does not come without its risks It is the ...

Page 4: ... derived from these values The drawing gives you an overview over the essential input and output channels of a MS 3 Sport GT3 Cup that are necessary to run the engine Engine Control Unit Camshaft teeth sensor Crankshaft teeth sensor Lambda sensor Throttle valve position potentiometer Fuel temperature sensor Engine oil temperature sensor Ambient pressure sensor Intake air temperature sensor Knock s...

Page 5: ...essure poil oil pressure Input channels for inductive speed sensors In the default configuration the MS 3 Sport GT3 Cup needs an inductive speed sensor on the ignition trigger wheel Input channels for Hall effect speed sensors For the camshaft signal a Hall effect sensor is necessary Also for wheel speed measure ment Hall effect sensors are recommended Four Hall effect wheel speed sensors can be c...

Page 6: ...ected as follows Firing 1 5 3 6 2 4 IGN A B C D E F INJ A B C D E F There are max 6 independent injection output stages for the injection These injection output stages can take a maximal current of 2 2 Ampere Therefore the injection valves must have a resistance of at least 6 Ohm NOTICE Don t use Bosch injection valves with 1 2 Ohm A few Bosch injection valves have an internal resistance of just 1...

Page 7: ...rtant information can be stored after switching off the ignition Please ensure that you have a good ground installation That means A ground that has a solid low resistance connection to the battery minus terminal Connection should be free from dirt grease paint anodizing etc Cylinder heads make a good grounding point Use large diameter wire More metal to metal contact is better Connection of the p...

Page 8: ... 20ga 20ga 14ga 20ga 20ga 20ga 16ga 16ga 16ga 16ga 14ga 14ga F H B C G L M J Spec harness connector ECU Illustration 4 Power supply connection plan CAUTION Wrong polarity high currents Wrong polarity of the terminals and high currents damage the MS 3 Sport GT3 Cup Be careful to observe current limits of wires and connector pins 3 4 Ignition trigger wheel To start the engine the ECU requires inform...

Page 9: ...ion Illustration 6 Crankshaft wheel Further requirements The Trigger sensor must be made of a ferromagnetic material The Sensor wheel teeth must be sharp The Reference mark is the second tooth after the gap 3 4 2 Mounting of the Sensors Procedure to find the right position for the crank and cam triggers 1 Rotate the engine to the precise position of TDC compression for cylinder 1 2 Rotate the engi...

Page 10: ...rank trigger 2nd falling edge before TDC exhaust for cyl 1 the tooth at the cam trigger must NOT overlap the reference mark of the crank trigger gap gap 2nd falling edge after the gap OT1ANGLE_SYS Illustration 7 Position of the sensors All angles are shown and indicated in crankshaft degrees The width of the cam trigger tooth is not important however it must be wide enough to ensure a safe overlap...

Page 11: ... TCP K Exhaust gas temperature ASL 0 06 05SD HE B 261 209 385 01 PSA C Ambient air pressure D 261 205 289 0 261 230 037 PSA C Crankcase pressure D 261 205 289 0 261 230 037 PSS 10 Fluid pressure oil water fuel 1 928 403 968 B 261 209 341 01 PSA C Air pressure manifold boost D 261 205 289 0 281 002 389 LSU 4 9 Lambda value D 261 205 138 0 258 006 065 IA C Crankshaft revolutions D 261 205 334 0 261 ...

Page 12: ...aft wheel have The System supports wheels with 60 2 or 36 2 teeth The TDC angles are defined starting from the second tooth after the gap in the rotating direction The first cylinder in the firing order should have its TDC after the gap Is the ignition symmetrical If not how are the angles defined Engines with 6 cylinders can have a V configuration which in some cases requires unsym metrical ignit...

Page 13: ...me engine has a V configuration 90 150 In this case the TDC angles are Parameter Ignition power stage identification CYLNUMBER 6 CRANKWHEEL36 0 TDCCYL1 78 A TDCCYL2 168 B TDCCYL3 318 C TDCCYL4 408 D TDCCYL5 558 E TDCCYL6 648 F 4 1 2 Injection The label INJCALC contains parameters to calibrate the fuel injection time The base injection time parameter TI_DEF is influenced by many correction paramete...

Page 14: ...first start up TITMOT_FAK Correction by engine coolant temperature This value is predefined If unsure set it to 1 0 constantly for first start up TIPFUEL_FAK Correction by fuel pressure This value is predefined If unsure set it to 1 0 constantly for first start up TIREVPCORR_FAK Correction by ambient pressure air box pressure This value is predefined If unsure set it to 1 0 constantly for first st...

Page 15: ...ooling down too much and makes it possible to find op timal patterns Example 4 cylinder engine The cylinders are assigned bitwise the lowest bit represents cylinder 1 in firing order FO1 e g injoff 1 First power stroke 0 720 Cylinder 1 FO1 is faded out Second power stroke 720 1440 Cylinder 2 FO2 is faded out Third Power stroke 1440 2160 Cylinder 3 FO3 is faded out Fourth Power stroke 2160 2880 Cyl...

Page 16: ...2_MIN LAMCTRL_CW Activate Lambda controller by setting 1 Deactivate by setting 0 LAM_MIN LAM_DEF LAM_MAX Set values in the engine speed boost pressure dependent lambda maps For each map position there is a separate lambda map minimum default maximum that can be chosen by the map switch INJCUT This parameter adjusts injection cut off and cut in Fuel cut off is enabled above the engine speed INJCUTR...

Page 17: ...at 12 to14 V TDWELLMAX_OFF Dwell time limitation Stay with predefined value for first startup IGNREV_OFF_x Cylinder individual corrections Set to 0 0 Numbering refers to firing order Ignition Maps IGN_MIN IGN_DEF IGN_MAX Base Injection timing in deg crankshaft before TDC The values minimum default max imum can be chosen by the map switch Use modest values at the first time Atmospheric engines may ...

Page 18: ...EVLIMITHARDGEAR Exceeding this value the injection will be cut off REVLIMITIGNOFF_OFF Maximum overspeed relative to REVLIMITHARDGEAR Injection and ignition fade out when exceeded SPEEDLIMIT SPEEDLIMITREV_MAX SPEEDLIMITREV_MIN Set the maximum or minimum engine speed Activate or deactivate by setting 32768 TRACTIONCTRL Deactivate by setting 0 4 2 Online Data Application 1 Before switching the system...

Page 19: ...named by the same rule Replace PAMB by e g POIL to apply data for the oil pressure sensor 4 2 2 Temperature Sensors All temperatures are calculated in the same way The label Temperature contains para meters to calibrate oil pressure TOIL intake air temperature TAIR engine temperature TMOT fuel temperature TFUEL etc Example Intake air temperature TAIR TAIR_UMX TAIR_UMN Maximum and minimum accepted ...

Page 20: ... calibrate throttle plate angle detection ATH_UMX ATH_UMN Maximum and minimum accepted sensor voltage Set to approx 250 mV 4750 mV If vi olated an error is set ath_e 1 Check if the sensor output value ath_u is changing when throttle is moved CALIBRATION These parameters calibrate the throttle plate angle ATHPOS1 Lower calibration point Set to 0 0 ATHPOS2 Full load point Set to 100 0 ATHIDLECAL Set...

Page 21: ... the code number in Modas Sport follow the instructions below 1 Start the application tool Modas Sport You will find a predefined worksheet called Li cence there see picture below 1 2 3 2 Fill in the first four ciphers of your licence code here 974C into the input box LIC MANKEYHIGH 1 3 Fill in the last four ciphers of your licence code here 5395 into the input box LIC MANKEYLOW 2 4 If you have fi...

Page 22: ...t of extras for the ECUs That is e g Displays Data loggers Telemetry units Find more information on www bosch motorsport com Moreover you can expand some additional functions of your ECU by sending us the serial number Than we will send you the licence for E Gas Knock control Traction control Variable valve Timing Near Bank Far Bank ...

Page 23: ...Bosch Motorsport Engine_Control_Unit_MS_3_Sport_GT3_Cup_Manual 23 24 ...

Page 24: ...Bosch Engineering GmbH Motorsport Robert Bosch Allee 1 74232 Abstatt Germany www bosch motorsport com ...

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