How do I know what ECU I have in my Honda?
– All Honda ECU’s have an ECU part number which is located on the side of the ECU which allows for easy identification. The middle three characters are the most useful to identify what type of ECU it is. Different generation ECUs may use the same characters.
Why do I need to Reset my ECU on my Honda Civic?
After you install aftermarket parts, resetting the ECU will help your car’s computer “learn” and accommodate the new parts. Sometimes a faulty check engine light may appear, so resetting the ECU can make it go away. If any of these problems are affecting your Civic or Accord, it is very simple to reset the ECU.
Where is the part number on a Honda ECU?
Honda ECUs run in generations, which use different connectors. Below is a stack of ECUs running from the newest generation at the top to the oldest generation at the bottom. All Honda ECUs have a part number which is located on the side of the ECU and inside the ECU on the connector. e.g. 37820-P72-A01
What kind of ECU does a Honda Civic have?
P07 – Our personal favorite Honda Civic with the incredible curb weight and already VTEC, this ECU is in the 1992-1995 Honda Civic VX. The Civic VX averaged 48 mpg long before anyone knew what a Prius was. P08 – The JDM 1992-1995 OBD1 Honda Civic with a 1.5 liter D15B engine used this ECU. It’s not very common here in the States however.
Where is the ECU fuse on a Honda Civic?
To access the ECU fuse, simply pop the hood of your vehicle and open the fuse box. The ECU fuse should be clearly marked on the outside of the fuse box cover or in the owner’s manual.
What does the ECU do on a Honda Civic?
A Honda Civic’s engine control unit (ECU) is critical for proper engine performance. This component acts as the vehicle’s “computer,” monitoring a variety of engine sensors and adjusting input parameters to ensure optional performance as well as fuel economy.
What does the middle 3 digits on a Honda ECU mean?
The middle 3 digits are the main identifier of the ECU and used in the table above, first column, ECU Code. This code is often associated with the engine or car. for example, a PR3 ECU often has an engine with a PR3 headstamp. The Last 3 characters denote the ECU Revision type and each character is a different indicator.
How do you replace Ignition Control Module on Honda Civic?
Remove two Phillips screws underneath the ICM to replace it. Simply install the new ICM with the same screws. Reattach the wires connecting the ICM to the distributor housing. Reattach the inner cover and rotor. Secure the rotor with the Phillips screw. Reattach and secure the distributor cap.
What does the code Pr3 mean on Honda ECU?
This code is often associated with the engine or car. for example, a PR3 ECU often has an engine with a PR3 headstamp. 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.