Page 2 - Product Warranty Statement; and only the following, LIMITED EXPRESS WARRANTIES, and no others.
Product Warranty Statement All products manufactured or distributed by Electronz Ltd are subject to the following, and only the following, LIMITED EXPRESS WARRANTIES, and no others. For a period of one (1) year from and after the date of purchase of a new Electronz Ltd product, Electronz Ltd warrant...
Page 3 - Table of Contents
3 Conte nts 3 © 2012 Vi -PEC Table of Contents 0 Part I Introduction 5 ................................................................................................................................... 5 1 Sa fe ty Notice ................................................................................
Page 4 - Part IX Pinouts; Part X Known Issues; Index
PlugIn Insta lla tion Ma nua l 4 © 2012 Vi -PEC Part IX Pinouts 20 ................................................................................................................................... 20 1 Mitsubishi La nce r Evolution IV - VIII Part X Known Issues 21 ....................................
Page 5 - Introduction; Safety Notice
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...
Page 6 - Support Options
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...
Page 7 - Board Switch Settings; Mitsubishi Lancer Evolution IV-VIII; Injector Impedance; Mitsubishi ECUs
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-...
Page 8 - Installation; ECU Handling Procedures; ANTI-STATIC HANDLING GUIDELINES; Fitting the ECU; Fitting a Mitsubishi ECU
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...
Page 10 - Additional Sensors; M AP Sensor; IAT Sensor; Mitsubishi Lancer Evolution IV - VIII
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)...
Page 11 - Expansion Connector
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...
Page 12 - PC Tuning; Installing Vi-PEC T uning Software; Communicating With Your ECU
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...
Page 14 - Pre-Start Configuration; Firmware Version
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...
Page 15 - T PS Calibration; IAT Sensor Selection; Input and Output Setup
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...
Page 16 - T rigger Calibration
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...
Page 17 - First Time Startup; Final Checks
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...
Page 18 - Essential T uning Adjustments
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...
Page 19 - Pin Functions; M itsubishi Lancer Evolution IV - VIII
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 ...
Page 20 - Pinouts
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...
Page 21 - Known Issues
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...
