EJ9.RU HONDA CIVIC GUIDES AND MANUALS

Этот справочник создан в 2010 году. В нем описаны различные проблемы Honda Civic, теория и практика тюнинга, ремонт основных узлов.

Более 150 статей раскроют вам более простое понимание механизмов и потенциал автомобиля в целом.

Илья Серб (... - 2017) and EJ9 ADMIN TEAM (UNLIM)

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Here is described the installation of elements and a list of them, that is, the hardware chipovka P28. How to read original firmware in separate article. Nintendo P08 and P30 described in a separate article, but technically the procedure is similar. So all the work on the Nintendo P28 OBD1 Honda Civic is composed in a simple mounting operation, namely:

the

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• Purchase of parts for chipovka OBD1 P28, a maximum of 300 rubles. ($10)
the
• Cleaning the Board from lacquer on both sides
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• Clean up the holes on the Board for planting details
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• Sealing of new parts
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• Firmware memory chip parallel programmer

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Tools and elements for soldering, a list

To install external memory chips, which will be uploaded modified firmware, you will need the following components can be found in electronic type store ChipDip

the

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• Solvent varnishes, treat them the surface of the Board from two sides to remove the protective layer of lacquer
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• Powerful soldering iron, 50W with a narrow tip for working with cost P28 OBD1
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• Suction or solder braid for removing solder
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• Solder with flux
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• Alcohol for cleansing P28 from flux after soldering
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• Multi-tester for continuity contacts
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• Clip or other wire, with a diameter slightly less than the holes on the ECU Board
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• Condenser 104, 100 n (nanofarads), 0.1 uF (microfarad). A seat on the Board C51, polarity no
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• Condenser 104, 100 n (nanofarads), 0.1 uF (microfarad). A seat on the Board C52, polarity no
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• Resistor 1 kOhm (1000 Ohms). A seat on the Board R54
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• seat J1, if jumper is not, then use the internal memory, in the presence of the jumper (J1 on Board), external memory is used — your chip
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• a series 74HC373 Chip in a DIP housing. I used MC74HC373N or MM74HC373N, 20 feet. Need to use firmware from an external memory chip
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• a series 29C256 Chip in a DIP housing. I used ATMEL AT29C256 12PC, 28 feet. Reusable memory (EEPROM), you need to flash your motor
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• Chip series 27C512 DIP housing. I used WinBond W27C512, 28 feet. Disposable (PROM), you need to read your original, or another firmware
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• Cot for the 74HC373 chip, 20 legs if legs more bit extra
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• Cot for the 29C256 chip or 27C512, 28 feet, if feet more bite extra. If you cant find a suitable bed, gently gypaete crib from an old network card RealTek or Compex. To work network adapter will not be affected.

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at the same time, you can prepare under DataLog

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• 5 pins that you could solder in CN2, and in response thereto the part
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• Wire of the 4 lived up to the Converter RS232-TTL
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• Converter RS232-TTL
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• Wire RS232 for connection of the Converter with the computer and OBD1 P28
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• Computer or laptop with COM port
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• Programmer memory 29C256 and 27C512
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• About DataLog and read the firmware flow can be found in a separate article

\nthe

explanation

As you have read above, there are only a few chips. Above I described a maximum all that you will need in simple language. Now read more. There are 2 chip. A logic chip and a memory chip. Chip logic\n74HC373 family, works by itself. It is not necessary to stitch, it should be easy to install. You can use any of the manufacturer. The main thing is the housing at 20 feet. The second chip is a memory chip. I pointed out two of them. Single family 29c256. Another 27c512. Single stitched many times overwritten (sometimes by ultraviolet light) and has a memory of 256KB, the other chip 27c512 is not overwritten (if there is no window under UV) and has the memory to 512K. Now you ask, why do we need both? I say that one first needs to\na modified firmware, that is it you will work most of the work. There you will record in the table the ignition and fuel maps, and VTEC points. The second memory chip is only required if you want to know what firmware is now in the block, that is the original firmware. Most often the original firmware has already been written by someone else and is in the repository PGMFI.org. If so, an article about DataLog can generally not read, because the original firmware is on the site, and you can go directly to the firmware 29c256.\nBy the way, both the memory chip programmed only with parallel programmer

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27с256 or 29с256

27 or 29. This type of rewriting, chip chip. The first erased with ultraviolet light, is, in my opinion, is less practical in these conditions. And installation with ultraviolet now can not find. If you still got the memory EPROM 27C256 (as Winbond W27C256-45z) that this chip is disposable. The second is 29. Erased electrically, supporting a maximum number of programmers. My choice and advice 29C256 — Ie every M29C256, AT28C256, and others.
There is a perception that if you install 27С512 or 29C512 in 512KB memory, you can burn a lot of firmware.you will not be able to implement it. Because the first leg 256 is responsible for the WE (write enabled), and 512 is responsible for the A15 Bit of the access address. That is the purpose of the legs are different, BUT you can use 512 if programming from the address h008000.

\nthe

Board chip

Due to the fact that the chip will not be sewn several times, and it will have to get suggest install it in the connector of the crib at 28 feet. First itiate cot for a fee and then install the chip. For easy and safe retrieval using a crib with a locking mechanism, if such cots at the chip not then just slide the thread under the chip.

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How to chip a P28 (or similar P08, P72, P06) OBD1

After collect the whole set, except the last 6 paragraphs, you can get to work. First solvent carefully apply on the surface of the Board P28 OBD1 from the varnish, wipe with a swab dipped in solvent, phase, where you will put items. Heat a good soldering iron, take the floss or braid with flux \nattach the braid to the soldered place and heat with a soldering iron. After removing both sides, the solder will probably remain. Take a paperclip, unfold it, and use it together with a soldering iron to enlarge the holes. When all the seats are ready, install: 1 resistor, 2 capacitors, 2 cots.\nI used domestic items with a great reserve of strength and power after checking them, of course. Place JN1 leave untouched, I have set up 2 pins (like they do on your computers hard disks) if I dont want to use IOS, I just use the jumper. If I want the regular firmware, I just disconnect the jumper. Do everything carefully, do not disturb other elements, make sure that the solder shorts out two adjacent contact. After soldering check contacts multi-tester\nclean the PCB from flux with alcohol or solvent. Check again the fee for smaller wires that might short the contacts.

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Данная статья актуальна для автомобилей Honda выпуска 1992-2000 годов, таких как Civic EJ9, Civic EK3, CIVIC EK2, CIVIC EK4 (частично). Информация будет актуальна для владельцев Honda Integra в кузовах DB6, DC1, с моторами ZC, D15B, D16A.

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