Do ecu numbers have to match?
No, they don’t have to be the same number as sometimes items are superceded so the number changes but the early and late items are still interchangeable, the trick is to discover if the original item was superceded by the one that you have as a replacement.
How do you program a Honda Civic ecu?
Turn on the ignition, and let the engine idle for 15 minutes. Do not step on the gas pedal. Let the vehicle run, and do no operate any accessories or electronics. After 15 minutes, turn the ignition off and immediately back on.
Where is the ecu number on a Honda Civic?
To identify your ECU you will need to know its generation, part number and possibly its ROM number. The ECU can be located in several places: under a metal plate in the passenger’s footwell (88-91 Civics) in the passenger’s footwell behind the carpet (92-95 Civics)
What is the ECU number on a Honda Civic?
Look on the side of the ECU to view its bar code label. This label contains the part number, which indicates what transmission, engine, and OBD scan tool the ECU is compatible with. All fifth and sixth generation Civic ECUs begin with a five digit number: 37820.
How can I find out what my ECU is?
Identifying your ECU. To identify your ECU you will need to know its generation, part number and possibly its ROM number. The computer is connected via three connectors that pull out when a plastic clip is pressed.
What do the last 3 characters in Honda ECU mean?
The Last 3 characters denote the ECU Revision type and each character is a different indicator. The first character indicates market the ECU is intended to support. The last character indicates the version number and generally does not have any significant changes to connectivity or function.
What is the ECU part number on a Hondata?
ECU Part Numbers. “A” generally is used for US ECUs. “G” is European, and “J” is Japanese. There are other versions of this, but you get the idea. The second digit “0” typically means manual transmission, where a “5” means automatic transmission, and the last digit “1” is the version number.
Look on the side of the ECU to view its bar code label. This label contains the part number, which indicates what transmission, engine, and OBD scan tool the ECU is compatible with. All fifth and sixth generation Civic ECUs begin with a five digit number: 37820.
Identifying your ECU. To identify your ECU you will need to know its generation, part number and possibly its ROM number. The computer is connected via three connectors that pull out when a plastic clip is pressed.
ECU Part Numbers. “A” generally is used for US ECUs. “G” is European, and “J” is Japanese. There are other versions of this, but you get the idea. The second digit “0” typically means manual transmission, where a “5” means automatic transmission, and the last digit “1” is the version number.
Which is the ECU part number on the sticker?
Below are examples of ECU stickers we have in our inventory. As you can see it’s not always clear which number is the ECU part number. A red arrow indicates which number is the ECU part number for each sticker.