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VEMS v3 ECU, Installation Instructions And Setup Manual

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VEMS v3 ECU Installation Instructions And Setup Manual Download Page 3

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Single coil

 

                                                                                                                                                          

 

 

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Coil pack

 

                                                                                                                                                            

 

 

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Coil on plug (COP)

 

                                                                                                                                            

 

 

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Using the Stepper Motor Driver to control Ignition

 

                                                                                          

 

 

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Ignition Setup

 

                                                                                                                                                          

 

 

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Index engine

 

                                                                                                                                                            

 

 

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Injector Model

 

                                                                                                                                                        

 

 

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Injector Outputs

 

                                                                                                                                                      

 

 

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Secondary Outputs

 

                                                                                                                                                 

 

 

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Inputs

 

                                                                                                                                                                            

 

 

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Misc Outputs

 

                                                                                                                                                               

 

 

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List of Authorized Resellers

 

                                                                                                                                       

 

 

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Appendix

 

                                                                                                                                                                      

 

 

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Connector pinout

 

                                                                                                                                                   

 

 

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Summary of Contents for v3 ECU

Page 1: ...12 16 2012 Installation Instructions and Setup Guide Jason Russell...

Page 2: ...nk Trigger 8 Connecting the primary trigger Crank 8 Configuring the crank trigger 9 Connecting the Secondary Trigger Cam 9 Configuring the Secondary Trigger Cam 10 Temperature Sensors 10 IAT Inlet Air...

Page 3: ...COP 18 Using the Stepper Motor Driver to control Ignition 18 Ignition Setup 19 Index engine 20 Injector Model 21 Injector Outputs 22 Secondary Outputs 22 Inputs 23 Misc Outputs 23 List of Authorized R...

Page 4: ...r mechanical equipment they can fail Failing equipment in a vehicle can be fatal You are responsible for compliance with the laws of your jurisdiction If any provision of these Terms and Conditions is...

Page 5: ...max 20 30cm from EC36 strong preferably 0 75mm2 or stronger wires o Power Grounds Sensor Grounds MUST terminate at the same point Common Ground Run the wires into a single ring crimp so that there is...

Page 6: ...ry to the rear of the car you may want to run separate wires for the starter alternator and for the cars electrical system to the battery Otherwise the several meters long cable will cause a significa...

Page 7: ...pin3 EC18 pin15 to DSUB9 pin2 EC36 pin26 to DSUB9 pin5 GND Start VemsTune and test connectivity If you don t already have VemsTune you can download it from here http www vems hu vt Always stay up to...

Page 8: ...nd batch fire injection Connecting the primary trigger Crank Magnetic sensor Variable reluctance VR Mechanical considerations If you are fitting a crank sensor to an engine it is advisable to use a ha...

Page 9: ...e Missing tooth type should be n 1 if there is one missing tooth on the wheel and n 2 if there are two missing teeth on the wheel Number of teeth on the wheel is the number of remaining teeth 58 for a...

Page 10: ...Either edge can be used for a Hall sensor but typically falling is used Event at Bad Trigger Position is the last common item to configure It is recommended to set it to Just Show You can have it disa...

Page 11: ...T Manifold Air Temperature Also known as IAT Inlet Air Temperature EC36 pin2 Signal EC36 pin26 Ground You can configure a custom sensor curve if needed under the Inputs menu with the MAT sensor curve...

Page 12: ...12 CLT Coolant Temperature EC36 pin14 Signal EC36 pin26 Ground You can configure a custom sensor curve if needed under the Inputs menu with the Coolant Sensor Curve item...

Page 13: ...by VEMS to provide fuel requirements in Alpha N configuration and acceleration enrichment EC36 pin29 TPS 5v out EC36 pin1 Wiper out 0 5v EC36 pin26 Ground Configuring the TPS sensor The throttle posi...

Page 14: ...9 to WB6 pin6 WBO2 Pump EGT There are 2 standards that are the most common You must make sure the and are connected properly Everything is the same between the standards other than the colors They are...

Page 15: ...rely on the knock sensor to prevent knock this can only be done by sensible tuning and using the correct octane fuel for your application Although VEMS will work with a variety of knock sensors the o...

Page 16: ...acts as a switch between the Component injector relay ignition coil and ground VEMS does not provide the power to these components Connecting Ignition Components The unit can be ordered with one of f...

Page 17: ...17 Option 2 6 Two channels are high current the other 6 are logic level Option 4 4 Four high current channels Four logic level Option 6 2 Six high current channels two logic level...

Page 18: ...e for 4 cylinder COP CNP or 4 6 and 8 cylinder wasted spark Example coil connections The following connections suggest the pin numbers as a suggestion only The actual connections will depend on the Ig...

Page 19: ...19 Coil pack Connecting a two coil 4 cylinder wasted spark Additional coil packs for applications such as 8 cylinder wasted spark...

Page 20: ...Stepper Motor Driver to control Ignition In some cases it has been found that we need to drive external ignition amplifiers ignitors using the higher current stepper motor driver If you have been usin...

Page 21: ...er D EC18 pin11 Ignition Setup Set the dwell and number of ignition channels used on the Base Setup Ignition settings menu Set the firing order in the Base Setup Ignition Outputs Visual menu The firin...

Page 22: ...r Index engine Tools required Timing light With injectors still disconnected strobe the crank pulley with the timing light on each cylinder following the firing order to make sure each cylinder is fir...

Page 23: ...23 Injector Model Choose the number of primary injectors usually the number of cylinders Divider is usually 1 For high impedance injectors PWM DC should be 100 and Peak Time should be 25 4ms...

Page 24: ...es to the first cylinder that fires Injector two goes to the second cylinder that fires It is recommended to return and fine tune the injector order after you have the engine running Secondary Outputs...

Page 25: ...pressure sensor and configure as Boost Target Inputs Clutch switch Used for WOT Shift Cut primarily Select the Analog Input channel under the Inputs menu Activation switches Configured under the Inpu...

Page 26: ...26 List of Authorized Resellers...

Page 27: ...27 Appendix Connector pinout...

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