Mitsubishi Lancer Evolution-IV- Manuals

Introduction 5 © 2012 Vi -PEC 1 Introduction Thank you for purchasing your Vi-PEC Plug-In Engine Control Unit (ECU). Vi-PEC VX ECUs are anadvanced, fully programmable microprocessor controlled Engine Management System. The VX software platform boasts an impressive list of features giving a new level...

PlugIn Insta lla tion Ma nua l 6 © 2012 Vi -PEC damage caused by the incorrect installation of this product. 1.3 Support Options Should any issues arise during installation, the following options exist for technical support: 1. Vi-PEC Tuning Software help, press F1 while running Vi-PEC Tuning Softwa...

Pre -Insta lla tion 7 © 2012 Vi -PEC 2 Pre-Installation Before installing theVi-PEC VX ECU into the vehicle some pre-installation checks must be performed. 2.1 Board Switch Settings Some Vi-PEC VX ECUs require switches on the board to be set before installation. 2.1.1 Mitsubishi Lancer Evolution IV-...

PlugIn Insta lla tion Ma nua l 8 © 2012 Vi -PEC 3 Installation This guide provides information on correctly and safely installing your new Vi-PEC VX Plug-In ECU. 3.1 ECU Handling Procedures W ARNING!!! The following installation process will require handling of both the Vi-PEC ECU and factory ECU. B...

PlugIn Insta lla tion Ma nua l 10 © 2012 Vi -PEC 4 Additional Sensors VX Plug-In ECUs offer various options for the installation of additional sensors and devices. As aminimum it is recommended that all ECUs are installed with a Manifold Absolute Pressure (MAP)sensor and Intake Air Temperature (IAT)...

Additiona l Se nsors 11 © 2012 Vi -PEC 1. IAT Through AFM – The factory AFM wiring can be used to install a MAP sensor. An Temp 2 is wired to the AFMs temperature sensor. Refer to the MAP sensor wiring information above. 2. IAT Through Expansion Connector - The expansion connector provides ground an...

PlugIn Insta lla tion Ma nua l 12 © 2012 Vi -PEC 5 PC Tuning VX ECUs require PC/laptop tuning using the Vi-PEC Tuning Software Tuning Software applicationrunning on a W indows based computer. Vi-PEC Tuning Software may be downloaded from www.vi-pec.com. Note that when new versions of Vi-PEC Tuning S...

PlugIn Insta lla tion Ma nua l 14 © 2012 Vi -PEC 6 Pre-Start Configuration Before starting the vehicle, important pre-start configurations need to be made. 6.1 Firmware Version It is recommended that the Vi-PEC VX ECU is running the most up to date firmware. Firmware versioninformation can be obtain...

Pre -Sta rt Configura tion 15 © 2012 Vi -PEC 6.4 T PS Calibration The Throttle Position Sensor (TPS) is used by the ECU to calculate various engine managementparameters used by functions such as idle speed control,acceleration enrichment and motor sportfeatures. It is important that the ECU knows wh...

PlugIn Insta lla tion Ma nua l 16 © 2012 Vi -PEC 6.7 T rigger Calibration The following instructions assume that all pre-start set-up instructions given in previous sections havebeen completed. Only after all pre-start checks have been made should an attempt be made to crankthe engine. The following...

First Time Sta rtup 17 © 2012 Vi -PEC 7 First Time Startup After performing all set-up instructions given in previous sections, including trigger calibration, the engineis now ready to be started. The following procedure should be used for first time start-up. 1. Turn the ignition key OFF then ON. T...

PlugIn Insta lla tion Ma nua l 18 © 2012 Vi -PEC 1. Make sure your laptop battery is fully charged or plugged in to mains power.2. Connect the ECU to your laptop and connect to Vi-PEC Tuning Software Tuning Software as described in the 'Communicating with your ECU' section of this manual. 7.2 Essent...

Pin Functions 19 © 2012 Vi -PEC 8 Pin Functions A list of pin functions is provided, this is useful when configuring your ECU through Vi-PEC TuningSoftware. 8.1 M itsubishi Lancer Evolution IV - VIII EV O IV , V , V I EV O V II, EV O V III Auxiliar y Outputs A ux 1 Engine Fan (Low Speed) Engine Fan ...

PlugIn Insta lla tion Ma nua l 20 © 2012 Vi -PEC 9 Pinouts Pin information is provided to assist when troubleshooting. All pinouts are looking into the ECU (wireside). 9.1 M itsubishi Lancer Evolution IV - VIII Pin ECU Function Pin ECU Function 1 Injection 1 55 A ux 2 (Jumper EV O 4-7) 2 Injection 3...

Know n Issue s 21 © 2012 Vi -PEC 10 Known Issues All plug-in ECUs are fully tested on a range of relevant vehicles, although there are often variations thathave not been tested. For this reason issues can arise. Please contact your nearest Vi-PEC dealerwhen suspecting a compatibility issue. 10.1 M i...