What is the ECU fuse?
The electronic control module (ECM) — also called the powertrain control module (PCM) or electronic control unit (ECU) — is a computer which controls the electronics in an automobile. Many component defects can cause your ECM 1 fuse to blow.
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 happens when you reset the ECU on a Honda Civic?
Resetting the ECU will clear the trouble codes and restore the system’s memory so it can “learn” the aftermarket parts. The process is straightforward and does not require the help of a professional mechanic or Honda dealership; however, you will want to follow the instructions carefully and make sure you have completed each step correctly.
What causes fuses to blow on Honda Civic?
The two main reasons fuses blow are increased electrical resistance or a shorted wire. Excessive resistance is usually caused by corrosion on the fuse legs, which can come with age and the environment. A wire can short for any any number of reasons, but generally it’s caused by a wire rubbing against a metal surface.
When to replace fuse number 23 on Honda Civic?
For example, if your radio stopped working, you’d need to test fuse number 23 and replace it with a new 15 amp fuse if found to be faulty. Because interior fuses commonly fail, it is recommended to keep a pack with an assortment of different amperage in the glove compartment.
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.
Resetting the ECU will clear the trouble codes and restore the system’s memory so it can “learn” the aftermarket parts. The process is straightforward and does not require the help of a professional mechanic or Honda dealership; however, you will want to follow the instructions carefully and make sure you have completed each step correctly.
For example, if your radio stopped working, you’d need to test fuse number 23 and replace it with a new 15 amp fuse if found to be faulty. Because interior fuses commonly fail, it is recommended to keep a pack with an assortment of different amperage in the glove compartment.
Where is the fuse box under the hood?
The fuse box under the hood is located next to the battery in the engine compartment. Figure 2a. Diagram of the fuse box under the hood. Figure 2b. Fuse box location. Figure 2c. Fuse box explanation. The diagram in Figure 2a is the layout of the fuse box located under the hood.