There is no reason why you would want to disconnect your check engine light, it is there to warn you that there is a problem. All you need to do is have a free test run on it at your local auto parts store, they will tell you whats wrong and then you can fix it.
However, there are in fact plenty of reasons why you would want it disconnected. For example, when it lights up for no apparent reason frequently, and/or is aesthetically unappealing. Who wants to run to an "auto parts store" to have it serviced every time the light comes on, usually for no reason?
You can not disconnect the check engine light.
To turn off the check engine light on a 1999 Toyota Camry you can disconnect the battery. This will only reset the check engine light. So if there is a persistant problem with the engine, the light is likely going to stay on. To turn off the check engine light on a 1999 Toyota Camry you can disconnect the battery. This will only reset the check engine light. So if there is a persistant problem with the engine, the light is likely going to stay on.
you disconnect the battery for a couple minutes.
Disconnect the battery for 15imutes
disconnect the battery
A quick way to reset the check engine light would be to disconnect the battery for a short while
If the problem has been fixed and the light remains on you need to disconnect the battery and then reconnect it. That should reset the check engine light.
Disconnect battery and leave for about 10 min. Then reconnect. The check engine light went away on mine.
Disconnect the negative battery cable for about two minutes and that should reset your check engine light.
Disconnect the Battery for 5 minutes
You have to disconnect the battery for couple minutes.
To reset a check engine light for a Highlander 2003, disconnect the battery for 10 minutes. After this time, reconnect the cables.