What is MIL on code reader?
The check engine light, often referred to as the Malfunction Indicator Lamp or MIL, allows the PCM to alert the driver that an emissions related problem has occurred or is currently occurring.
What is mil in car diagnostics?
A check engine light or malfunction indicator lamp (MIL), is a tell-tale that a computerized engine-management system uses to indicate a malfunction. This warning light can indicate almost anything from a loose gas cap to a serious knock in the engine.
How can I test my car without a scanner?
It’s As Easy As 1-2-3. You will need a paperclip without plastic covering the outside, jumping wires, the repair manual, and a pen and paper. Flip your car’s ignition on and off a couple of times without cranking the engine and finish with the key in the on position. Your car will then check for any saved trouble codes …
What is the difference between MIL and DTC?
Here’s how it works: When the OBD II system detects a fault, it sets a “pending code” in cars computer. If the same problem occurs on a second trip (under the same driving conditions) — the OBD2 system will set a diagnostic trouble code (DTC) and turn on the Malfunction Indicator (MIL) lamp.
Do you need VIN number for car scan?
You may need to enter the vehicle’s VIN number into the scanner if you are using it on a new vehicle for the first time. Record the data. After the scan has completed, typically within a few seconds, it will display any specific trouble or error codes it reads.
How is a diagnostic scan tool used in a car?
The basic idea of using a diagnostic scan tool is to get the diagnostic trouble codes your vehicle automatically records when it detects a problem. This is the exact same process that mechanics use when you take it into a garage, just with much fancier, more capable equipment.
What does the Mil light on my car mean?
That is until you have the red icon of death appear on your dashboard and need to get it fixed. If anything is wrong in the engine room, the Check Engine light will notify you but not really tell you what is wrong, this is also called the MIL, or malfunction indicator lamp.
What should I do if my Mil light comes on?
One way to make sure there are no pending codes that will turn on the Malfunction Indicator Light ( MIL lamp) later is to use your scan tool to look at the “Mode 06” data in the PCM. Most scan tools can display Mode 06 data.