The lc 1 lambda cable is a complete wideband controller built in to a sealed cable. For the new megasquirt v3 main board, the case will be the same as used for the other megasquirt boards lmb 6x4 case or equivalent, however the endplates are different as the db connectors have moved. It has been running a stock giac chipped ecu for a long time. Megasquirt 2 is a good upgrade path for megasquirt 1, and the best choice for a new budgetoriented installation. For the mtxl and lc2, the default analog outputs are reversed, so youd wire the yellow analog out 1 wire to the megasquirts o2 input wire. For electromotive motec megasquirt with plugnew gm style 1 bar map sensor. Megasquirt is a reprogrammable diy ecu engine control unit which is a great tool if you want to learn about engine control systems, you can buy in kit form and assemble yourself, all instructions are available in the online manuals as you are aware if you modify your engine by. Lc1 digital airfuel ratio lambda sensor controller manual. But unlike with the factory ecu, we make use of the forth center section to this connector, in the middle, that does not connect to the stock harness. The megasquirt pnp takes over the functions the stock ecu provides fuel control, ignition. Vehicle has a 4 wire sensor typically the 4 wires are. For any lc 1 purchased after june2006, that should be all you need to be concerned with when wiring it up. Efi source is dedicated to supplying the highest quality efi products to the performance minded automotive community.
Secure wiring to vehicle with wire ties with special attention to the sensor. Megasquirt support forum msextra lc1 wiring view topic. Megasquirt efi and edis for the bmw 2002 part 1 bmw. Ecu tuning software such as efilive or megasquirt is a great tool with a data logger. View video the lc1 is more accurate than conventional designs costing many times. Megasquirt v3 main board megasquirtr faq main page. Instead, you can make megasquirt target a lean airfuel ratio while cruising, and go to a rich airfuel ratio under boost and have the oxygen sensor help you target both. Megasquirt is a reprogrammable diy ecu engine control unit which is a great tool if you want to learn about engine control systems, you can buy in kit form and assemble yourself, all instructions are available in the online manuals as you are aware if you modify. Each kptuned megasquirt ecu is specifically modified for the intended installation with all additional circuits installed, a custom wiring diagram provided, preconfigured software and vehicle startup support available. The manual states that a 6 striped wire unit, the metalic wire should be system ground and white is not discussed. Jan 26, 2007 reading instructions on programming the innovate lc1xd1 are critical to making it work.
This will tell the megasquirt to ignore our ignition table and hold a fixed advance. The circuit to which you will pull power from should be able to support an additional 3 amp draw. Mar 24, 2017 megasquirt controller and wiring harness maybe i should have put this further up, because these are really the first pieces of hardware that youll want to install, on the other hand you need to already have planned out all of the above hardware and options before installing anything. The lc1 sensor ground is connected to the ms grounds to achieve this. Oct 12, 2014 this is a quick video going over the basic wiring of a megasquirt ecu into my 280z turbo build. The driving force behind this was the use of an integrated heat sink bus. With a narrow band sensor, we can really only tell for certain whether we are rich or lean, but not by how much. For any lc1 purchased after june2006, that should be all you need to be concerned with when wiring it up. Tunerstudio ms brings all the features of tunerstudio to all megasquirt users.
The main difference being, the emspro still gives you a you cant kill it warranty, but if you do something dumb like short the starter or alternator. That means megasquirt gives the engine more fuel when you put the pedal down for a quicker reaction. This guide only deals with the wiring for the bitz racing efi kit. You can later calibrate this on your ms via megatune tuning software for the megasquirt. My analog 2 output is hooked up to pin 23 on db37 the factory default are. The three outer wiring connectors are identical to the ones on a 19961997 miata wiring harness, and plug right into the miatas wiring. Black wire led most any will do push button ground. I just installed my lc2 and cant get the output to read right in ms2 its a little sticky.
The first thing to note is that the circuit has been updated based on operational. For the lc 1, wire the brown analog out 2 wire to the megasquirts o2 input wire. All of the ground pins 1,2,7,8,9,10,11,12,14,15,16,17,18,19 are connected together within the megasquirt. Mx5 unleashed mega squirt pnp installation instruction for. Mx5 unleashed mega squirt pnp installation instruction. Basic megasquirt installstartup cramer wardcollings. You want to pull fuel from a single cylinder at idle, but not at 3000 rpm you can do this. Reviving an old thread as im in the planning stages of my megasquirt install actually a microsquirt a condensed form of the megasquirt 2 and was wondering how to wire up the injectors for batch injection. Wiring, installation and tuning services are also available on site upon request. If you are using a v3 board, andor and msii processor, please see their respective manuals for important additional info on wiring and sensors. Microsquirt efi controller software has full support for wide band wb ego sensors 12x12 afr table, etc. Tunerstudioms has the full canbus passthrough infrastructure to work with the new capabilities of the code. All megasquirt wiring harnesses use txl high temperature automotive grade wiring wires are preprinted with the ecu pin number and wire functions. Oss megasquirt, libreems, jimstim tuning software megatunix is a crossplatform tuning application for some of the available diy fuel injection controllers, including the megasquirt ms1, ms1extra, ms2 and ms2extra as well as the libreems efi system and the jimstim ecu stimulatordevelopment tool.
Megasquirt support forum msextra lc1 wideband, ms2extra. Once installed open up the lc 1 manual found in the cd and read it through. For many just starting out on efi, megasquirt2 is a good entry point, and upgrading later on to megasquirt3 is a simple 5minute hardware swap. The ground connection has low resistance to chassis ground less than 1 ohm. An engineer can come out to you and map your vehicle on site and on the road or track if not road legal. As always comment if theres any questions, comments, or. Likewise the power grounds these are shown at the right of the connector because this makes them electrically closer to the high power components within the.
Oct 20, 2016 i just installed my lc2 and cant get the output to read right in ms2 its a little sticky. Everything having to do with wiring up the megasquirt will be covered here including the fuse box, actual megasquirt wiring, fuel pump and wideband. All looms are supplied with a detailed wiring diagram and full instructions. Im using an lc1 it is connected to ms so i can log afrs and autotune easily i have verified that the afr reported in tunerstudiomegatune is within a tenth of that shown directly from the lc1 itself. Then your oxygen sensor, ms works with either narrow band or wideband o2 sensors such as the lc1 or the lm1. Showing 116 of 26 results default sorting sort by popularity sort by average rating sort by latest sort by price. In tunerstudio, enable can mode and burn it to the controller. The car in question is a 1995 gti vr6 running all factory sensors with the only exception being an innovate lc1 wideband and a 1. For the lc1, wire the brown analog out 2 wire to the megasquirts o2 input wire. However there are changes to both the front and rear panel. When i got the unit, it quickly dawned on me that just leaving it in the open was foolhardy at best.
There are a number of tools and techniques you will need to wire microsquirt to your vehicle. Black calibration wire wrap this in electrical tape, not needed yet. This tutorial explains how to connect megasquirt ms3 ecu with aim devices. Aluminum electrical inline high pressure fuel pump fit for bmw megasquirt 12v. Megasquirt vs ls efi efi tuning questions and engine. Megasquirt2 is a good upgrade path for megasquirt1, and the best choice for a new budgetoriented installation.
This value is a static value that the megasquirt will use to command ignition timing. Install the software found on the cd that came with the package on your laptop that will be used for tuning the megasquirt. Switch 12v supply to the lc 1 on and wait for 20 seconds. Megasquirt system design and sales ms2tuning offer impartial advice and configuration assistance to design the ideal management system to run your car. Bitz racing lc1 wide band oxygen sensor installation. Remember by default, megasquirt uses the tps only for acceleration enrichment ae. Next is tps throttle positioning sensor ground, signal wire and 5v verify. Then write down the number thats on the left in the middle. I personally ventured into the world of megasquirt on my old eales 4. How to wire up your lc1 to megasquirt megasquirt hybridz. Get the best deal for megasquirt from the largest online selection at. For the mtxl and lc2, the default analog outputs are reversed, so youd.
Then your oxygen sensor, ms works with either narrow band or. Megasquirt relay panel install i bought a megasquirt relay board as a simple way of getting power to the injectors and edis i plan on using in my efi conversion. This is a quick video going over the basic wiring of a megasquirt ecu into my 280z turbo build. My unit had 6 striped wires but the metalic wire was cut back into the wire casing. At right, you will see the proper way to wire the tps on a vw throttle body. Sep 22, 2012 im using an lc1 it is connected to ms so i can log afrs and autotune easily i have verified that the afr reported in tunerstudiomegatune is within a tenth of that shown directly from the lc1 itself. Jan 01, 2009 next is tps throttle positioning sensor ground, signal wire and 5v verify. A goood wiring guide can be found here 1 run by chris325ix. Make offer for electromotive motec megasquirt with plugnew gm style 1 bar map sensor. This wiring and sensors section has been written primarily for the v2. Here below is connector pinout and connection table. Only those of us with a full standalone ecu or who trust the lc1s.
Need help wiring up aem wideband to megasquirt miata turbo. This is going to be the most involved section of the writeup and most of the work will take place here. For the lc1, wire the brown analog out 2 wire to the megasquirt s o2 input wire. For a long time we guided customers on how to reprogram their lc1 lm1 lm 2. Megasquirt first evolved from a do it yourself project to low cost alternative, to now with ms3 matching or. We will constantly be adding new products in order to meet this goal. Megasquirt efi and edis for the bmw 2002 part 1 engine. Moates usb eprom chip burner programmer with extras. Once wiring and connections are complete, select the megasquirt preset under setup can channels, and then write the changes to your. To enable this, select lambda afr settings from the more settings menu, and turn on the 8 x 8 afr target table for ve table 1. Megasquirt controller and wiring harness maybe i should have put this further up, because these are really the first pieces of hardware that youll want to install, on the other hand you need to already have planned out all of the above hardware and. Also can serve as a replacement serial cable for the vvtuner, mspnp2eec4a8 or eec4b8, and microsquirt.
You can also deliver your car to us, leave it with us and collect it when mapping is completed. You can also bring your car to us and have it mapped. Lc1 wideband i would consider essential but a narrowband could be used. How do i configure tunerstudio for the innovate lc series, mtxl. Our goal is to make programmable efi systems affordable to everyone without sacrificing quality or functionality. So youll wire the analog output from the lc1 to one side of the resistor, and then youll wire the megasquirt 02 input to the other side of the resistor, forcing the signal to pass through it. Bitz racing lc1 wide band oxygen sensor installation guide.
Megasquirtii does not do individual cylinder trims, but megasquirtiii has trim tables, not just a single trim number. Megasquirt pnp gen2 manual megasquirtpnp by diyautotune. The lc1 lambda cable is a complete wideband controller built in to a sealed cable. View video the lc 1 is more accurate than conventional designs costing many times. Once this is done, racecapturepro will be receiving can bus data from the megasquirt. This is pin 40 of the 68hc908gp32 microprocessor in megasquirt. A switched 12v source goes on as soon as the ignition on the car is on. Megasquirt need help wiring up aem wideband to megasquirt alright.
Just ground the pin through a 1k resistor to turn on the feature. Megasquirt relay panel install pelican parts forums. Our general automotive wiring guide presents an overview of some things you need know for wiring and soldering, so read it first if you are not experienced in wiring aftermarket efi systems if you have questions, ask them on the forums at. That was the start of much learning and i did a thread all about the priocess as i learnt being the 1st time i had ever done it.