Honda p28 ecu pinout.

Honda p28 ecu pinout With the ability to fully control every engine parameter, as well as program in new outputs such as boost control and nitrous, the S300 is a great option for any basic Honda race car. Apr 2, 2009 · Muchachos e aqui otra ayudita para acortar los search Diagrama de Cables de una P28 co color y voltage! KEY: (voltage values measured in DC Volts unle P28 ECU Pinout - Honda Nation Crew Nov 26, 2006 · Honda Usefull Ecu Pinouts OBD2B OBD2A OBD1. The document provides a comparison of pinouts for various Honda OBD0 systems from 1988 to 1992. Le ecu pinout: Feb 1, 2010 · NOTE: This article covers not only the Honda P28, but also the Honda P05, P06, USDM P30, P72, P74, P75, and OBD-I PR4 Honda computers family. For example, the PG6 ECU was used in 1988-1989 Integra models of all trims, while the P72 ECU was used in both 1994-1995 and 1996-2000 model Honda OBD1 ECU Pinout VTEC Guide In the intricate world of automotive technology, there lies a network of connections that orchestrates the symphony of your vehicle’s performance. Another section lists common Honda ECU diagnostic codes and what components or systems they relate to. ) D16Y8 using P28 EX/Si/VX - D16Z6/D15Z1 Mostly plug and play. Jan 12, 2004 · The Honda TPS has three wires coming from it: green/white , a red/blue , yellow/white. These concepts can be applied to Uberdata, Chrome, and many other similar software that uses the stock honda ecu with a programmable chip. Nov 18, 2021 · How To Wire VTEC In A Non VTEC OBD2 Honda Civic Jan 24, 2007 · This page will explain how to chip your ECU as well as the basic process of burning a ROM chip. The S300 is one of the best OBD1 Honda/Acura tuning systems available. Nov 7, 2018 · Jdm P30 Ecu Pinout Honda Tech Forum Discussion. PDF. P28 vtec wire diagram also 92 95 civic wiring diagram besides honda obd2 along with h22 vtec wiring diagram further chrysler obd2 connector wiring also wiring harness p28 also d16z6 wiring harness diagram along with p28 ecu wiring diagram. Which is what JD was hinting at. A25. I'm putting together a small rig on the bench to show how the immobiliser works at university. Mar 27, 2005 · Would this include the P28 ECU pinouts?? cause i found a site that the color wires were diffrent from yours. Power from main relay Phearable. Orn and wht need to go to B11 and B12 on OBD1 ECU plugs. im lookin for airflow input and output Here is a video detailing how to wire your Honda Mini Me Vtec for D Series mini me head swap. Jan 12, 2007 · I have a Civic EP Ecu year if vehicle 2003. Delving into the intricacies of vehicular communication reveals a wealth of information encoded within the electronic framework. Honda Prelude ECU Pinout Diagram. If you can get a P08 with your swap, do it. 1998 Cadillac Seville SLS ----- 2001 Honda Insight MTX w/AC ----- 2004 Grand Cherokee 4. Thanks! How would I fit a hondata s300 v3 p28 ecu on a 2005 Honda accord manual. I want to know: 1. There isn't an American OBD1 ECU to control both solenoids on the head. 1995 Honda Accord. 6) OBD1 312 JDM P30-901 Civic B16A DOHC Vtec Automatic OBD1 314 Oz DM P06-Q00/Q50 Civic D15B SOHC OBD1 315 Oz DM P28-Q50 Civic D16Z? SOHC Vtec OBD1 317 EDM P28-G02 The document provides wiring diagrams and pinout information for various Honda vehicle models from 1988 to 1992. Or if anyone has a p91 pinout diagram that would help also thanks! Feb 5, 2006 · These are some of the ECU’s I’ve researched (I had a longer list, but can’t find it now): ECU/EMC CODE LETTER OTHER #’s YEAR MAKER MODEL Trim OBD TRANNY 37820-P28-A02 AWL 760-840433 92-95 Honda Civic EX 1 5-speed 37820-P28-A01 ARM 760-620375 92-95 Honda Civic/CRX EX 1 5-speed 37820-P06-A02 AUI 740-327690 95 Honda Civic LX 1 5-speed Aug 28, 2013 · -Knock sensor goes to pinout D3 on the ecu-Vtec pressure switch goes to pinout D6 on the ecu-Vtec solenoid goes to pinout A4 on the ecu-IAB (gsr B18C) goes to pinout A17-O2 sensor heater control. I got the replacement transistor from xenocron but need some help putting it in. It lists the pin assignment and function for each pin on the diagnostic connector for different Honda models and years. Obd0 Ecu Quick Reference Wiring Diagram For Swaps Ha Motorsports. pdf), Text File (. 1 of 2 Go to page. Learn how to read and interpret the pinout diagram to diagnose and fix issues with your ECU. Pinout diagrams for strut tower harnesses, distributor, MAP Sensor and TPS. The first part of the process is socketing the ECU to accept the Demon, then finish by installing the Demon into the socket. OBD2 connector part number. This will provide an accurate 0-5v output that can be datalogged using Crome Pro, Neptune RTP, or Hondata S300. It has the two solenoids. The diagram consists of power supply, ground, input/output, and control lines that connect the ECU to various components. ) refer to a service manual (e. B1. Pin Number Non-OBD PR3/PWO Ecu Non-OBD PR4 ECU OBD-1 PR4 ECU OBD-1 P61 ECU OBD-1 P72 ECU OBD-2 P72 ECU OBD-2 P73 ECU A1 #1 Injector #1 Injector #1 Injector #1 Injector #1 Injector #4 Injector #4 Injector A2 Ground Ground #4 Injector #4 Injector #4 Injector #3 Injector #3 Injector A3 #2 Injector #2 May 26, 2006 · I have a 98 civc Dx, Hatchback. Its pretty easy and definit Honda OBD1 ECU pinout. Mastery over the nuances of the P28 ECU pinout empowers enthusiasts and technicians alike, fostering a deeper appreciation for the intricacies underpinning automotive performance. Im looking for the signal, ground and 5v wires for my P28 ecu withs a B16a installed. Acura Integra Ecu Pinout My Pro Street. Ecu Wiring Faq Jun 17, 2005 · p 28 ecu I also have a p28 Ao4 out of a 1997 civic del sol. Ecu List- Honda/Acura ecu codes for each car & obd system ; Ecu Pin Outs - List of ecu pinouts for pre-obd to obd2; 02-04 RSX Type-S PRB Ecu Pin Out Diagrams; Wiring diagram/colors/pinouts for obd0 vehicles; Wiring diagram/colors/pinouts for 92-95 obd1 vehicles Jan 8, 2009 · The ecu that came with the JDM D15B Vtec's was a P08. Mar 30, 2018 · OBD1 ECU -> pin D7 (see OBD1 ECU pinout) OBD2 ECU -> (must not use versions that did not have the 3 pin diagnostics plug! e. All Honda ECUs have a part number which is located on the side of the ECU and inside the ECU on the connector. 5l SOHC VTEC - D16Z6 *Note that this ECU has also been used with the D16Z6 and the B16A in the US. Tuning With Crome. ECU already more then 10 years. txt) or read online for free. The Honda ECU, like your Honda engine, is a very well designed piece of equipment made to work in many cars under many varying conditions of temperature and altitude. 7K views 3 replies 3 participants last post by efminime25 Oct 24, 2007 Mar 4, 2008 · OBD1 Honda ECU pinouts -----These are the pin designations for the OBD1 ECU as well as their wire color and voltage. A P28 will run it just fine, but without a tune itll run very rich. Three characters (which are loosely related to the model of car/engine). I bought a 4 wire O2 sensor and P28 ECU. The first pinout serves as a general overview with most common connections in black fonts. Anything need to check on the ECU. I would have a Vtec with automatic transmission. Remember that diagrams should only be used as a reference and that a professional auto technician should be consulted before attempting any wiring projects. - I want to increase the rev limiter to 7500 or 7800, what i need to do?? 3. I still don't understand why your jumper harness isn't plug and play but oh well I guess. 925925544. Civic P28 ECU Pinout Guide. IGP1. 4 KB Date taken Tue, 30 April 2002 8:47 PM Dimensions 716px x 838px Sep 27, 2014 · Shop Shop By Category Accessories Brakes Cooling Drivetrain Electronics Engine Exhaust Exterior Fuel Intake Interior Mounts Packages Restoration Suspension/Wheels Shop By Brand Action Clutch Hybrid Racing Competition Clutch DC Sports Drag Cartel Racing Hasport Performance Hondata Insane Shafts KTuner OEM Honda PCI RestoTuner Rywire Skunk2 Swift Apr 7, 2023 · Where is tne tps signal wire on a p28 need pin location. Below I included the MA/MB OBD1 ECU layouts for D15Z8 and B18C4. Honda Civic Rechipped Ecu Computer Box P06 Big For Ph12 Ph16 Ph15 D15 D16 B16 B18 B20 Lazada Jun 7, 2022 · You can utilize your stock engine harness with a OBD2 to OBD1 jumper for the p28. ECU Socket Kit . I already gave you the pins you need on the p28, here is what a P2T pin out looks like. Introduced in 1992 OBD1 generation of ECUs for B, D Series of Engines based on OKI M66207 MCU. Started up good, runs good, no problems. This is a guide to stock Honda ECUs by vehicle, with a listing of suitable ECUs for that vehicle. ) '90-1 HF/Si '89-92 EF8/9 Dec 31, 2014 · -Distributor Pinouts ( obd1 - 2 included ) JDM ZC Dizzy ECU PINOUTS These are the wire colors on the stock harness (most of them are the same for the non-Si models. OBD1 Pinout OBD2a Pinout OBD2b Pinout Here are the pinouts, so you know which spot goes where, which wire to splice from the bay to your ecu, and i'm gonna copy/create a generic hybrid wiring guide Sep 24, 2011 · I need to wire my primary o2 sensor to the ecu but im a bit lost. webartie Roco TA Civic. Need Help On Ecu Plzz 99 00 Civic D15z4 Page 2 Www Dodo Upgrades Nl. ProjectFacebook @ https://www. :FFS TechNet : OBD2a ECU Pin out Schematics :. Aug 2, 2013 · I did a D16y8 complete swap in a Eg chassis Dx a while back. pdf. if u use the obd1 ecu for vtec d15b, i think u may have to look into component compatibility i. Pics from Google/Pheerable. It lists the pin assignments and their associated components for different model years. Muah. Hondata installation questions / answers / issues. Honda ECU Pinout for OBD2 Systems Delving into the intricate web of connections within your automobile’s electronic framework unveils a world of hidden potentials. Its fine if I get 1 Cel or 50 as long as its Dec 6, 2002 · P28 ECU wiring diagram. Next Last. Oct 8, 2011 · (note for all 92 Civics the VTEC is already ran on the shock tower to ECU harness so using an EX/SI 92-95 engine harness will make VTEC plug and play. Im also trying to find out about obd1 or 2 it looks like obd2 and should be by fed law, anything after 96 is suppose to be. Jul 8, 2004 · What you'll need: H22 Motor and trans p13 ecu(or chipped ecu like a p28) Shifter box and cables Swap mounts Injector resistor box(or do Bizzar's DSM injector resistor mod from d-series. Apr 17, 2010 · I just picked up a P28 with a burnt Q31 transistor. It also lists the component controlled by each pin, such as main injectors, fuel Shown from the wire side of the ECU: Shown from the ECU side of the connector: Pin Description . Your home for the 92-95 Honda Civic. Sep 5, 2006 · by any chance does somebody in here know where i can get a ecu pinout diagram of a PM6 ECU ? Unchippable P28 - $65 A forum community dedicated to the Honda D Jul 14, 2011 · So can all obd1 ecus be pinned the same. 1990-1995 Accord and 92-95 Prelude ECUs Dec 23, 2002 · Honda Tech :: General Honda Performance. For example, it shows that pin A1 was the No. P28 ECU wiring A comprehensive guide to the Honda OBD1 ECU pinout diagram, providing detailed information and diagrams for each pin, making it easy to understand and troubleshoot your Honda ECU. The diagram shows the electrical connections and components within the ECU, such as microcontroller, memory, input and output ports, and signal conditioning circuits. . The part number consists of three components: Honda's part number for ECU, which is always 37820; Three characters (which are loosely related to the model of car/engine). Jan 14, 2004 · The Honda ECU, like your Honda engine, is a very well designed piece of equipment made to work in many cars under many varying conditions of temperature and altitude. It explains that Honda ECU part numbers are formatted as 37820-P**-*0* and each segment provides different information. ECU Pin diagrams. Jan 12, 2004 · Honda ECU Part Numbers Decoded Honda ECU part numbers are a series of 3 alphanumeric sections. Honda Ecu Obd1 P28 P30 P06 P75 Base Map Chip B16 B18 B20 Vtec Turbo Launch 75 00 Picclick Uk. The connectors and layout are very similar to the common OBD1 ECUs but differ in numbering. Most common solution for use with B, D, F or H Engine because they get easily chipped. Jump to Latest 1988 Honda Civic hatchback; in limbo 1992 Honda Accord LX coupe Sign up for Groupon! Deals on resturaunts, stores, etc: Oct 13, 2022 · Look up a pinout for your distributor. Vehicle/Motor application list: * Manual Vehicles only. OBD0 Pinout. They also interface with actuators like the fuel injectors and ignition coils. All You Vtec Guys Page 2 Honda Tech Forum Discussion. The ECU is P1H-E11 OBD1. g. Document is not to be distributed. Denshigiken M66207 Based ECUs also widely known as Honda Civic Integra OBD1 ECU. What you can do is verify what exists from your OBD2 plug and what it goes to in your jumper. FORMAT: xxxxx-xxx-xxx. Feb 14, 2002 · P28 ECU Pinout Jump to Latest 8. Mar 21, 2017 · Buenos dias a todos, tengo un problema con mi ecu en uno de mis carros, mi Honda del sol vino con una ecu p05((lo compre asi y asi prendia normal antes con motor D16ZC) y ésta al momento de hacer contacto con la llave no me envia señal de la bomba de combustible de una vez, tengo que esperar alrededor de 20min o hay veces que no llega a mandar señal, le coloco la de mi otro honda(D15b7) una Nov 8, 2016 · ECU Part Numbers All Honda ECUs have a part number which is located on the side of the ECU and inside the ECU on the connector. The only thing is the engine is a Jap import. anyone? however i found a pinout diagram online When using ROM Editor, an ECU from our conversion table can be adapted to drive any other Honda up to the current models. 0 Trail Rated (p28 ecu) that B18c4 ECU Pinout: Comprehensive Guide In this section, we aim to provide an in-depth exploration of the wiring and connection schema for a specific engine control unit. OBD2B 99-00 Civic/Integra Pinout and Schematics. For bypass valve 0-5v signal been googling for a minute and can't come up with anything! These installation instructions cover installing a Moates Demon1 or Demon2 into OBD1 US-spec Civic and Integra ECU's (ie: P06, P28, P75, P72, etc) using the Moates Demon socketing kit. HELP! B16a P28 ECU Pinout Explained. Mar 3, 2025 · Honda Ecu P28 Pinout Wiring Diagram. Check if your jumper harness does that or if it messes stuff up (or maybe you did by pinning the OBD0 plugs differently). I'm sure someone here has played around with the stock ECU. The first block is the Honda part number denoting it is an ECU. Anyway we reverse engineered values that would work here based on the IACV coil values. This is our P28 equivalent ECU socketed for use with Hondata S300 systems ONLY (Fits S300 V1, V2, and V3). Note: This ECU requires an S300 to be able to operate your vehicle and will not run without it. This OBD2 distributor is found in all 1996-1998 Honda Civics, as well as the 99-2000 OBD2B B16 Civic SI, as well as all Integras from 1996-2001. We took the ECU apart today and found that a transistor was burnt up on it verybadly cracked and the case is burnt on the opposite side where it went up. The pinout actually says that D10 is blank and D18 is the ELD input for the P28 ECU. To remove the ECU and view its bar code label, use a ratchet and socket to unbolt it from the sidewall. This tech article looks at the functions of the ECU and how it differs from some of the piggyback and standalone systems May 18, 2015 · On all fifth and sixth generation Honda Civics, the ECU is located behind the kick panel in the front passenger's side foot well. Common OBD1 pinout. ECU's, Electronics, and Tuning Does anyone have the wiring diagram for the OBD1 P28 ecu? We need to know which pin is for Dec 6, 2017 · A Honda P28 ECU wiring diagram is a great way to keep your vehicle's engine running smoothly and ensure that all your electrical components are correctly connected. Within this labyrinth of electronic pathways, lies a vital nexus where the intelligence of your engine is housed and regulated. This article is for OBD1 Civic/Integra USDM style ECU's ONLY (ie: P06,P28, etc). Honda B16a Ecu Harness Converter Obdo Obd1 Obd2a Obd2b To Sho Malaysia. You can buy sub harnesses from ebay or just grab the solenoid pigtail from your local junkyard. ECU Chipping In order to use Uberdata, you need to add a few additional components to the original Honda ECU. e. This is almost always 37820. The s300 version 3 is a plug in module to the OBD1 factory Honda Engine Computer (not included) which vastly expands the capabilities of the factory ECU. This document lists common Honda ECU part numbers used in various Honda and Acura models from 1988 to 2000. 2 posts • Page 1 of 1. I just need to know where all 4 wires go to the ecu. Go. P28,P30,P72,P61,P08J,P30J,P72J If this ECU is used with a 6 Civic P28 pin out diagram VTEC '92-'95 looking for wiring diagram for honda civic EPU P28, specificly vtec also the # XXXXX ecu is APR069240076. Disconnect the wire harnesses of the ECU before completely removing it. i'm not sure how the vtec wiring goes on the hx ecu, but i think if u use the hx ecu on the 3 stage engine, it will engage the vtec rather the vtec-e. Sep 17, 2012 · No I didnt miss it. On my ecu. Sep 11, 2014 · The OBDII Honda D and B series distributors are slightly different in the wiring diagram, but our article makes this conversion a breeze. 100% (2) DiagramasApplause PDF. Jun 29, 2005 · if you swapped out the dx engine for z6, then you need to find out if you also swapped engine harnesses, if you did, then you can plug the p28 right in, if not, you'll have to run the wiring for the vtec solenoid and presuure switch to the ecu pins, i believe it's in the b plug, then plug your ecu in. Honda-S2000. How to wire VTEC and knock sensor on 1991-1995 OBD1 engine swaps. Understanding the wiring connections of your vehicle’s engine control module is essential for any tuning or repair work. 2a pinout. For example a P28 ECU from a 94 SOHC Civic EX can be adapted to drive a ‘93 VTEC Accord, 99 Civic Si (B16A), 2000 Type R Integra or Prelude all normally aspirated or with boost pressure. The EX/Si/VX distributor will not bolt up to the Y8 head exactly. Ecu P28 P30 Chipping. A must-have resource for Honda enthusiasts and DIY mechanics. This layout is based on EDM and USDM P06, P28 and P30 ECUs for D15B7, D15Z1, D15Z3, D16Z6, D16Z9 and B16A2 engines, but not limited to. its a d16zc sohc jdm engine. So my plan was to find p28 pinout diagram copy that in my 91 hatch and hook up my p91. 37820-P72-A01. org) Accord(94ish) Driver's side mid shaft 90-93 Integra axles + the inner CV snout of a 94+ Prelude or Accord(Explained later) Spare CV grease and boot clamp Sep 15, 2008 · P28 OBD-1 ECU Civic / Integra Pinout Diagram #69885. Below is an example that shows the common onboard male connectors for a Honda OBD1 ECU. Car runs fine but I need to wire up the O2 sensor. Power from main relay. I have the engine wires of the Vtec car, so i would "put togheter" the wires Oct 29, 2021 · This document provides the pinout diagrams and descriptions for Honda OBD1 ECU connectors for various 1992-1995 Civic, Integra, and Prelude models. US versions, etc. White on the o2 sensor goes to pinout D14 on the ecu Oct 6, 2009 · One stop shop for all the wiring info/diagrams. Finally, there are sections defining the typical functions of signals on certain pin Technical Information OBDI ECU Anatomy. I know the green wire is the ground, white is sensor signal and the two black ones are sensor heater. See my other video for the actual mechanical details of the swa HA Motorsports Professionally socketed OBD1 VTEC ECU. The 4-plug OBD1 connector image below is proof these do exist and are usually found on JDM AUTO 92-95 Civic, Integra, and Preludes. This guide provides a comprehensive overview of the wiring diagram for this specific model, helping you navigate the various connectors and pins efficiently. If you do not need the chip adapter simply unplug and use RTP pins directly into the socket on the ECU Board. I'm looking at the pin out for the y8 ecu on this link, . g P72 Honda P28 Ecu Wiring Diagram. And these are the functions of the wires on the stock harness DPFI TO MPFI from rywire Picture From 12volt 1988-91 Honda Civic Stereo Wiring Constant 12V+ Blue/White Switched 12V Oct 29, 2012 · Ok, since you have a chipped p28, you should be set there. Reproduction and/or hosting by other websites strictly forbidden. Honda P28 Ecu Wiring Diagram Wiring Jul 26, 2005 · if u use the hx ecu, either the vtec-e or the normal vtec will work. Basically anything under 26 ohms should work. How do I run the 4 wires from the O2 sensor? Thank you. Honda Civic's ECU location. Nov 18, 2007 · could anybody PLEASE show me the pinouts of an auto p28 ecu (obd1 z6 auto) either diagram of acutal picture. This guide will detail the various connectors and their respective functions, helping enthusiasts and professionals alike to better understand the intricate web of connections Feb 1, 2010 · How to install a 1992-1995 Honda Civic P28 performance chip in the ECU. ?BTW i nvr do anything on the ECU even change the Cap. Jun 13, 2015 · I'm really confused, i pulled my ecu out and it looks like neither obd1 or 2, i've since established its obd1 but missing the B cavity cavities A and D are there is a p76 and wanna convert to p28 with a conversion harness but the B cavity is missing. I have Red Violet Black Gold. Delving into the intricate network of connections within the P28 Electronic Control Unit (ECU) unveils a fascinating landscape of interwoven circuits and pathways. The Honda Prelude is a sporty Dec 6, 2002 · P28 ECU wiring diagram. It includes a table listing the color and function of pins on the ECU and any notes or additional wiring. Car & Truck Remotes . Crx Si, 90-91 Integra. e dizzy etc. com/JohnnyMuah/How to chip and add vtec into a p06 non-vtec ecu. Jan 6, 2004 · All OBD0, OBD1, and OBD2 as well as DPFI to MPFI conversion charts are available for offline viewing/printing in the following spreadsheet. Posted by Wiring Diagram (Author) 2025-03-03 . The Honda CR-V is a popular compact SUV, and its ECU pinout diagram is useful for those working on this particular model. If your Honda Civic CX is not using a heated 02 sensor (four wire oxygen sensor) you will need to wire this as well. Tunerview Bluetooth Honda Obd1 Sdan Auto Garage Facebook. Sticker on side says p28 obd2b. I want to plug it directly to a battery and a check engine light so I can validate that its working. P30 – Not quite as common as the P28 the P30 is still a very popular choice when it comes to Honda swaps and converting to VTEC. We will go with either a megasquirt or a chipped stock honda ECU. Jan 8, 2009 · The ecu that came with the JDM D15B Vtec's was a P08. Honda P28 Ecu Wiring Diagram Wiring Oct 4, 2013 · Honda ECU’s have a common system when it comes to naming their ECUs, and this label is located on the side of the unit. Jan 21, 2013 · Hey does any one know how I can get the pinouts for a obd1 p30 ecu b16a Manual. Below the ECU pinouts of a standard OBD1 sheme is shown and the pinout of the D14A3 and D14A4 engines are shown, P3X and P3Y respectively. 37820-P72-A01 The part number consists of three components: Honda's part number for ECU, which is always 37820. CEL code 14(Idle Valve) and 6(Coolant)and sometime with 7(TPS)with rough idle at 1500 to 2000RPM Tried to change all 3 sensor but ECU still throwing similar CEL. Forced induction, datalogging, real time programming, Bluetooth and engine protection are but a few of the comprehensive s300 features. It is still running good today. Please double check which ECU you have before checking our Acura Integra ECU pinout. For HondaSwap. The ECU expects . Every vehicle harbors a complex network of interwoven circuits and pathways, akin to the neural networks of the human brain. May 25, 2008 · I know that Honda has 3 stage VTec, that's what this D15B has. Oct 30, 2006 · A Honda ECU will always be read like so: P28 - Civic EX/Si 1. Installing A Honda P28 Ecu Chip Technical Domain. This ECU board modification will allow your OBD1 ECU to use the ECU pin D10 (ELD) for your wideband signal input. Dec 6, 2021 · Pinout of Honda cn2\cn3 datalogging connector for obd0\obd1 ecuSerial connector for Honda car ECU. Mar 17, 2007 · Filename br_b16a_swap_wires. Introduction. top of page. DiagramasApplause PDF. 17 After submitting your order, just package your ECU into any suitable box, write your order number on the outside of the box, then ship it to us using any shipping method you'd like. This diagram will help you with your automotive repair and understanding of the electronic control unit (ECU) wiring. The ECU was okay before? Or don't you know if it's still good? Dec 30, 2007 · I have a P28 ecu modified by hondata for obd2 plugs, S300 installed. “Honda ECU Pinout in OBD2 – Unlocking Your Car’s Potential” Exploring the intricate network of automotive technology unveils a labyrinth of connections that drive modern vehicles forward. the p08 is also obd1,and all the wiring shares the same location. P28 ECU wiring honda ecu pinout - Free download as Word Doc (. net chipped obd1 ecus will plug & play into 92-95 honda/acuras. Honda`s ECU Pin: Pin Name: Description: 1: GND : 2: RX: Aug 6, 2006 · I am helping a friend boost a 2001 Honda Prelude sh. Probably my mistake. Civic EK gen6 1996-2000. The advantage to using pin D10 instead of the stock O2 sensor pin D14 is that the EL Honda P28 Ecu Wiring Diagram. He bought a P28 ECU from swapshopmotors. An online community dedicated specifically to the 92-95 Honda Civic EG i installed an o2 sensor into my del sol, and it was an obd1 p28. The only thing you will have to wire in is the vtec solenoid. Honda Ecu P28 Pinout Jan 23, 2015 · 1992-1995 Honda Civic CX – If you are using a P28 ECU, you need to wire both the VTEC solenoid and the pressure switch to your OBDI ECU. com visitors and member's use only. The S300/P28 ECU set up is not compatible with a 2005 Accord. VTEC plug and play. - what ECU my car have 2. The OBD1 and P3X/P3Y pinouts vary between engine and year of build in colors or functionality, but the vital information is there. This P72 ECU has different variations of OBDIA and B, as well as automatic transmission differences. Several examples of ECU part numbers are Jul 25, 2022 · Ecu Part Number Vehicle Application List Ha Motorsports. I bought a P28-A52, but i need a wiring diagram of the connector of the ECU, so i could do the right wiring. For these i Oct 19, 2009 · Suspected got problem with my ECU. General Tech / Troubleshooting: Check Engine Light Codes / Diagnostic Trouble Codes What is a basemap? ECU Part Number to Vehicle Application List Diagnosing a Solid Check Engine Light Spark Plug Information Lower Temperature Thermostats What is a P28 Equivalent ECU? What is a Wideband Oxygen Sensor? 92-95 Civic CX ups The following method for wiring in a wideband oxygen sensor to a vehicle equipped with an OBD1 ECU is our recommendataion for the cleanest install, quickest install, and the best signal from your wideband sensor to your ECU. I found a Vtec engine D16Y2, with manual transmission. Jan 25, 2009 · The vehicle is a 1. bomarc-services-p28. Mar 1, 2016 · P28 – Easily one of the most commonly chipped Honda ECU found in many Honda swaps, this VTEC ECU is in the 1992-1995 Honda Civic EX, Si as well as the VTEC Honda Del Sol Si. Connector A contains pins for fuel injectors, VTEC solenoid, oxygen sensor, and other components. Below you will also find the P3X/P3Y found in EJ9 chassis after the facelift with D14Z1 and D14Z2 engines. g P72 OBD2A 96-98 Civic/Del Sol/Integra Pinout and Schematics. Perfect for automotive mechanics and car enthusiasts. ECU's provided the following wiring changes are performed: Move the wire at ECU pin A6 to pin A11 Move the wire at ECU pin A11 to pin A6Basically, just switch these two pins/wires The new ECU will now simply plug in p. The list specifies the vehicle models and years each ECU was used in. The middle 3 digits are the main identifier of the ECU and used in the table above, first column, ECU Code. What Is This In P28 Hondacivicforum Com. May 19, 2023 · Learn how to read and understand the P28 ECU wiring diagram, a type of engine control unit used by Honda. One of the blacks on the o2 sensor go to pinout A6 at the ecu-O2 sensor signal. - I have the injectors from a Y8 (240cc) what I need to change to use this inyectors? Apr 3, 2014 · This Acura Integra ECU pinout is for a 1995 Acura Integra GSR, and this Acura Integra ECU pinout is for the OBDI P72 from 1992-1995. Learn how to understand and interpret a P28 ECU circuit board diagram, a critical component in a Honda engine. 94-95 Honda Accord (with manual transmission) can use the common civic/integra style P06,P28,P72, etc. Posted by Wiring Diagram (Author) 2024-11-15 Lysanns P28 Ecu Wiring Diagram. Honda OBD2A/OBD2B Pinouts. Find the complete pinout diagram for the 92-95 OBD-1 Civic/Integra VTEC ECU. This thing proved invaluable to me when making my own OBD1 conversion harness. jpg File size 142. Jul 23, 2005 · P28 ecu schematics. Input/Output Pins: These pins connect the ECU to various sensors, such as the oxygen sensor, throttle position sensor, and crankshaft position sensor. facebook. May 14, 2010 · Ecu pin out. I'm looking for Ecu pinouts. Where do I find a diagram of pinouts for this particular ecu? Are all pinouts in the same spot as a stock p28? Thanks Feb 5, 2017 · On my p28 when I started the car for the first time this year, it was getting no TPS signal. Honda OBD0/OBD1 Pinouts. simonc Posts: 3 Joined: Fri Dec 06, 2002 3:38 pm. Feb 18, 2017 · Blu/grn and blu/yel from the dizzy need to go to B15 and B16 on OBD1 ECU plugs. Jump to Latest 1994 HONDA PRELUDE VTEC 5SPD- JUST BOUGHT 1/28/14 SO STOCK ASIDE FROM AN INTAKE 1992 Prelude Si 5spd - F22B DOHC BUILT/ T70 TURBO Honda CR-V ECU Pinout Diagram. Honda Ecu Master List My Pro Street. I just picked up a p91 and found out there is not much info on it. Accent Pinout 20101 PDF. I'd appreciate a pinout diagram or at least a picture of what the ECU looks like so I can google the part number. OBD1 ECU Pinout Civic 92-95 Integra. if you look under the obd1 section of the link i provided, pin D14 says s02s (second o2 sensor) but i used that line and it worked perfectlyd7 says p02s, but i can't verify personally that that is the proper place. I'm not sure if it matters, but it's a USDM ECU, 37820-P28-A02. Knock sensor will not be used for the P28 ECU. It includes ECUs for the Integra, Civic, CRX, Prelude, Del Sol, and Accord. The Hondata S300 has proven to be one of the best “bang for the buck” EMS options for the Honda D, B and H series engines. Vehicles pre-92 & 96-01 vehicles will require a ecu plug conversion harness to use the ecu. 5 volts to be closed throttle and 4. We are basing this troubleshooting on simple connections confirmation with a continuity tester or an ohmmeter. Thread starter webartie; Start date Jan 12, 2007; 1; 2; Next. Nestled within this complex web lies the enigmatic A16 connection, a cornerstone of electronic control units (ECUs). They are hard to find though, and you will likely wind up running a P28. This document provides information on identifying Honda ECUs based on their part numbers. The only thing I did was kept the stock ecu (D15B7) which bolts properly to the D16y8 head, kept the stock engine harness just added vtec wires all the way to the ecu and chipped a P28 ecu with D16y8 maps. Posted by Wiring Diagram (Author) 2025-05-08 Lysanns P28 Ecu Wiring Diagram. Figure 1. Follow my IG@ Johnny. Understanding the connections and configurations of a specific engine control unit can be crucial for anyone looking to modify or diagnose their vehicle’s electronic systems. You must log in or register to reply here. Need help with your Honda tuning needs? Let us help you along the way with not only our products, but our P28-A01 92-95 Civic EX D16Z SOHC Vtec OBD1 305 USDM P30-A02 Civic/Delsol B16A DOHC Vtec OBD1 306 JDM P08-N01 D15B SOHC vtec OBD1 309 JDM P91-901 92-95 Civic Coupe (sohc vtec 1. Honda ECU Pinouts OBD 0 Pinout '88 HF/Si '90-1 DX (Std. com and is going to be running the s300hondata on it. 5L Type 1 Honda City (1998 I believe). ECU P73 pin C8) (OBD2 US versions are incompatible, can be identified by letter "A" in the last 3 letters of the ECU id: 37820-P**-A**) This is a short video on why honda obd1 ecu failP06 P28 P30 P72 and have a solid cel or a solid check engine light Feb 2, 2010 · This applies to the following Honda ECM computers: P0A, P0B, P0C, P0H (OBD-I), P11, P12, P13, and P14. While this covers installing a chip on the USDM version (US Domestic Market) Honda P28 ECM, the procedure is the same for almost all 1992 Aug 6, 2006 · I am helping a friend boost a 2001 Honda Prelude sh. IGP2. Fully Refurbished Chipped/Socketed P28 ECU - This Honda chipped P28 ECU comes with adapter for chip as well as the socket for a demon/demon2 board or other RTP. The first scheme is based on the D15Z6 found in most EK3 chassis. ECU Part Numbers. P28 Ecu Wiring Diagram. I checked the wire and someone had spliced another wire into the TPS one, which I somehow accidentally ran to ground because I thought that’s where it went before. The document provides information about pinouts and wiring for different OBD0 and OBD1 Honda ECUs. The first grouping of part numbers (pink circle), 37820 in this example is Honda’s part number designation for the ECU. Take note of plugs: A, B, and D. P28 ECU A16 Pinout Diagram Unlocking the labyrinthine pathways within automotive systems requires an astute understanding of the intricate interplay between components. hope it benefits everyone else as well. This tech article looks at the functions of the ECU and how it differs from some of the piggyback and standalone systems available. This diagram details the various pins and connections on the ECU, providing valuable information for repairs and modifications. Aug 5, 2009 · After looking at pinout dwgs for the P2T (00 Si M/T) and the P28 ECUs it seems like the only input I could find that didn't match up was the ELD from the P28 went to the Knock sensor on the vehicle harness. Installing a performance chip on 1993-1995 Honda Prelude and 1994-1995 Honda Accord is a simple procedure that consists of removing the stock chip, soldering a 28-pin DIL socket in its place, and inserting the performance chip on the socket. Honda P08 Chipped Vtec Ecu For H22 H23 F20b F18 D15 D16 B16 B18 B20 Spare Parts 1035619450. I have supplied photos of Ecu. 80% (5) Accent Pinout 20101 PDF. 1 page. It looks like the transistor burnt up pretty bad and damaged the board in the process, so I'm Feb 1, 2013 · Head over to Honda ECU Pinouts Side by Side - Blackworks to check out this information with a lot more features like sorting, side by side comparison, column hiding, etc. Looks like this is a common problem in the Honda World. Also the Honda Logo pinout for the OBD2b P7A ECU of D13B7 (8 valves). Sep 21, 2006 · I swapped a JDM D15B (B16Z6) into a 93 hatch. Thanks for the help. Sorry - I do not have pin schematics for the JDM 4-plug OBD1 ecu! Although, connectors A B D OBD0 PM6 Si Ecu Pinout 88-91 Civic Si. It lists the pin numbers, names, descriptions, and wire colors for pins in Connectors A, B, and D. 5 volts to be Wide Open Throttle (WOT). Aug 17, 2017 · Engine Management and Tuning - OBD1 P28 Minimum wires to Test ECU - What are the minimum wires to power up an OBD1 ECU? Specifically a P28 or maybe a stock 94 accord ecu. Just Bought P28 And Nothing In J10 Honda D Series Forum Jun 10, 2022 · P28 Ecu To Obd2b Honda Tech Forum Discussion. Apr 29, 2007 · The ECU is P1K-E63 OBD1. 67 pages. It does not apply for other non-US ECU's. Hondata S300 V3 / P28 ECU Boost Package. I always have a hard time finding this information when I need it as I'm sure others do, so here it is KEY: (voltage values measured in DC Volts unless otherwise specified) V = Volts Wht = White Blk = Black Grn = Green Yel Honda p08 Ecu Pin Out. doc), PDF File (. Your primary focus will be on the red/blue wire, as this is the one that sends a voltage to the ECU telling it how open or closed your throttle is. Just that the values on my ECU do not match what your reporting. I was told that the Ecu was the same for Type r EK9, how true that is I'm not sure. This part shows you the OBD1 ECU pinout (locations and wire colors) for all M/T ’92-95 Civic / ’92-95 Integra / ’92-95 Prelude VTEC and NON-VTEC vehicles. 1 injector for an '88 HF/Si but an auxiliary injector for a '90-1 DX. The P** identifies the engine, *0* identifies the revision, and manual vs automatic transmissions can be identified without opening the case. Switching to OBD2 would allow use of a different ECU, but I want to keep OBD1. kcpjg zstlxd naqcq nftoyw wlwffj skvh xusc rrays abtno lhbqyo