How To Turn Off Vcm On Honda Accord


While trying to find as much performance information for your car, you may come across some very helpful tips and tricks. Unfortunately, most of these tips are not for public consumption or even approved by engineers due to safety regulations.

That is why we have done the hard work for you! We have gathered all the secrets that every engineer out there wants to keep under their hat in one place. These tips will help anyone who wants more power from their vehicle!

We call this resource “VCM Secrets” because it will teach you how to turn off variable compression engine technology (VCET) in your new Honda Accord.

Variable compression engines are what really make an engine powerful. This isn’t typically known outside of the motorsports community. However, they’re pretty cool if you know what to do with them!

What Is VC Engine Technology?

Most people are familiar with constant volume combustion (CVC), but few realize that almost every internal combustion engine uses a form of VCC at some point. Variable compression ratio engines use a piston that gets longer as the compressor head compresses the air-fuel mixture. This increases the effective length of time the fuel spends mixed with air, which makes for greater burning efficiency and power.

A good example of this is look at any diesel truck model-the longer the injector spray path, the higher the pressure, the better the burn rate and power.

Replace the fuse

how to turn off vcm on honda accord

The first thing you should do in any electrical situation is check your fuses. If one of them is out, then there is no power going into that area, which means it can’t perform its function.

By changing the fuse, you are ensuring that the area in question does not have enough electricity for it to work properly.

Removing the old fuse and putting in a new one will usually fix the problem but if it doesn’t, then try switching off all appliances connected to the car battery (using a portable generator or switch) for a few minutes and see if that fixes things.

If it does, great! You now know what caused the symptoms and how to avoid them in the future. Hopefully you learned something as well – make sure your vehicle is fully charged at all times!

How to turn off vcm on honda accord

Written by: Emily Onokah

Published: September 23, 2017

Disclaimer: Comments written below are completely personal and only aim to help otherwise. I am in NO way affiliated with Honda, and was compensated for my writing services. All opinions expressed here are mine alone.

Related Article: Best Cars With Navigation Systems

Something we all experience at least once while driving is when our engine roars to life and we feel happy and confident about where we are heading before everything goes dark.

This happens because of voltage drop due to excessive load on the motor and batteries.

Clean the circuit breaker

how to turn off vcm on honda accord

Sometimes, no matter what you do cannot get rid of the annoying vibration. This can be very frustrating as it makes doing anything difficult. If this happens to you, your next step is to check the circuit breakers for your vehicle.

You can use a multimeter to test these. Make sure to test all of them while the engine is off so there are no current leaks. Check both hot and cold breaks.

Once you have confirmed that they are good, then try restarting the car.

Replace the circuit breaker

how to turn off vcm on honda accord

Another way to turn off voice command feature is by replacing the electrical box or circuit breaker that controls it. If you are ever experiencing issues with the voice controlled features, this is an easy solution as you can get these replaced at any good automotive shop.

If your car comes with one already installed, then you do not need to replace it unless you want to remove it which is usually not advised.

Run a diagnostics test

how to turn off vcm on honda accord

One of the most important things to check when your car is having idle issues or worse, breaking down, is the vehicle computer system or ECU. If you are ever experiencing any kind of performance drop while idling, this could be why!

A diagnostic check means taking your car apart to see what parts need replacing or fixing. For example, if there’s a component that controls airflow, you would look for changes in how well it works.

By doing a quick inspection, you may be able to identify whether this is the cause by looking at components such as the throttle position sensor (TPS) or air flow meter.

If possible, you should have these checks done before bringing your car back together, as some repairs can’t be completed without them.

Check the voltage sensor

how to turn off vcm on honda accord

The second step in determining if there is a bad component or not is looking at the voltage sensor. If you can get through this process with no sparks, then we know that our source of ignition is malfunctioning and therefore cannot fire.

If however, when you test the volt meter it shows lots of spark activity, then we must look closer at the engine components to determine what is causing the problem.

The next thing to do would be to check the voltage sensor located near the top center of the combustion chamber. This will tell us whether or not the car has enough fuel and air to start each cycle of firing.

When the sensor detects an empty tank of oxygen and fuel, it cuts off the flow of electricity so the flame does not ignite. When it is working normally it sends out a pulse every time there is an influx of either oxygen or fuel.

Replace the voltage sensor

The second part of this tip is replacing the voltage sensor. This sensor monitors electrical charge in your car’s battery, so let’s talk about what it does!

The voltage sensor regulates how much power gets transferred from one area of the vehicle battery to another. It begins with conducting electricity when there are no demands for energy, and then slowly closes as the engine runs and fuel needs to be processed.

When the engine is off, the voltage sensor stops transferring power into the battery because there’s not enough demand for energy. At that time, the idle speed controller can use the extra power left over in the capacitor to keep the engine running smoothly until you start up again.

However, if someone jumps the brake or gas pedal while the engine is still shut down, the voltage sensor will conduct some current instead of keeping the engine idling. That could cause damage to components like the air intake system or the ignition coil.

Replace the air filter

how to turn off vcm on honda accord

One of the most important things you can do to improve the performance of your vehicle is to change its air filter. While some brands advertise how many miles their filters will last, what people usually want to know is whether or not it is replaced before need.

If you run into trouble with your car’s performance, chances are your current air filter isn’t helping. Replacing it is an easy way to give it a try.

You should look for loose connections and dried up gaskets in your engine compartment to determine if the old filter was working. If so, then it’s time to upgrade!

A high-quality paper or foam filter will work just as well as a metal one, so don’t worry about that. The diameter of the new filter shouldn’t be bigger than the hole it goes through, though. Make sure both are matching correctly.

Once you have found a replacement filter, make sure to remove all dust and dirt from the area first using a vacuum or brush. Then, put the filter in place and tighten down each screw securely.

Now, test your car out! It may take a few days for everything to fully break in, but once it does nothing more than purr away should indicate better performance.

Run a leak test

how to turn off vcm on honda accord

One of the things that can cause your car to lose fluid is having something come in contact with it for an extended period of time. This could be anything, such as rubbing up against another part or piece of equipment, being hit by air coming out of a hole or pipe, or just plain wear and tear.

One thing that can quickly empty your vehicle’s tank is vacuum force multiplication (VCM). A small amount of water may seep into some areas due to VCM, but you never know when this will occur. If you notice any fluids outside the wheel wells, behind the rear bumper, or anywhere else, do a quick check to see if your vehicle has experienced enough VCM to flush itself out.

If it does, then great! But if not, there are several ways to fix this. First, make sure all hoses and lines are properly sealed off so nothing can get inside the engine. Second, try using a thinner oil like vegetable oil instead of regular olive oil. Third, add more gear lube to the gears in the transmission. And last, use petroleum-based gel lubricants where necessary.

Leave A Reply

Your email address will not be published.