What is an MCU Honda Civic?

Re: Multiplex Control UNit The multiplex unit is contained inside the under dash fuse box. It has several connectors front and back that would need taken loose for replacement.

What does a multiplex control unit do?

The multiplex control system has ”wake-up” and ”sleep” functions to decrease parasitic draw on the battery when the ignition switch is OFF. In the sleep mode, the multiplex control unit stops functioning (communication and CPU control) when it is not necessary for the system to operate.

When to replace the engine control module on a Honda Civic?

If starting has become difficult and running has become rough, replace your Honda Civic engine control module with a quality one from AutoZone. Get back to zipping around the city. Utilizing a four-cylinder power plant that produces over 40 miles per gallon makes your Honda Civic untouchable in the economy-car class.

How to reset the ECU on a 2014 Honda Civic?

Honda Civic: How to Reset ECU 1 Remove the ECU fuse. Drive a couple of laps around your neighborhood to bring the motor to operating temperature. 2 Turn on and off the ignition. Make sure the car remains in park. Turn on the ignition, and let the engine idle for 15 minutes. 3 Drive the vehicle. Drive the vehicle as normal.

What does the engine control computer do on a Honda Civic?

Your engine control computer (ECM) delivers fuel and fire in a precise manner, which generates such performance. When your ECM fails, get a new one from AutoZone. A new ECM for Honda Civic keeps things running smoothly and proficiently.

How many miles per gallon does a Honda Civic get?

Get back to zipping around the city. Utilizing a four-cylinder power plant that produces over 40 miles per gallon makes your Honda Civic untouchable in the economy-car class. Your engine control computer (ECM) delivers fuel and fire in a precise manner, which generates such performance.