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)
Where can I find my ECU number?
Method 1. Open your engine hood, and locate ECU number on the ECU which is mounted right in front of the car battery. Please note, the sticker may be on either side of the unit.
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.
What kind of ECU does a Honda EF have?
PM7 – Our first JDM Honda on this list the PM7 Honda ECU is found in the 1988-1991 Honda EF, but only in the JDM models with the ZC Engine. This ECU is a OBD0 model and will require conversion if you are stepping up to a OBD1 or OBD2 engine.
What happens when you reset the ECU on a Honda?
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.
Where does the trouble code go on a Honda Civic?
When the ecu sets a trouble code,the check engine light will come on and the ecu stores the code in the memory. The trouble code will remain in the memory until voltage to the ecu is disconnected. Removing the hazard fuse in the main fuse panel for 10 seconds will reset all trouble codes.
1989-1991 Honda Civic/CRX SiR (or auto from 90-91 Integra (Xsi) Honda ECU part numbers are a series of 3 alphanumeric sections. The first block is the Honda part number denoting it is an ECU. This is almost always 37820.
PM7 – Our first JDM Honda on this list the PM7 Honda ECU is found in the 1988-1991 Honda EF, but only in the JDM models with the ZC Engine. This ECU is a OBD0 model and will require conversion if you are stepping up to a OBD1 or OBD2 engine.
When the ecu sets a trouble code,the check engine light will come on and the ecu stores the code in the memory. The trouble code will remain in the memory until voltage to the ecu is disconnected. Removing the hazard fuse in the main fuse panel for 10 seconds will reset all trouble codes.
What kind of ECU does a Honda CRX have?
This ECU is a OBD0 model and will require conversion if you are stepping up to a OBD1 or OBD2 engine. PM8 – The 1988-1991 OBD0 Honda CRX HF is where you can find the PM8 ECU. Using the SOHC 1.5 liter engine, this vehicle is greatly desired for the light curb weight.