What to do when malfunction indicator light illuminates?

What to do when malfunction indicator light illuminates?

If you have a OBD-II scantool (for example one with ELM327 chip) and OBD diagnostic software, you can check the reason for the problem yourself. For example, our car diagnostic software can read the DTC code from the car and give you description of the code. Those will guide you towards the main cause of the problem.

What does the malfunction indicator light ( Mil ) mean?

People usually get interested in the On-Board Diagnostics when the Malfunction Indicator Light illuminates on the dashboard of their cars. The Malfunction Indicator Light (MIL) is also known as the Check Engine Light. The purpose of this warning light is to indicate a detected problem with…

Why are the lights on my dashboard not working?

Adjust the dial or knob to see if that fixes the problem. If the switch was accidentally bumped, your dashboard lights might have been turned off. Flip the switch or turn the dial or knob up and see if the lights on your dash come on or get brighter. If adjusting the switch doesn’t work, you may have a blown fuse or bad lightbulb.

When does the OBD2 indicator light turn on?

The OBD2 system illuminates the light when there is a problem with the car’s engine, transmission or emission control system. The light turns on only for a reason and you should not ignore it. You should always investigate the cause.

What are the common problems with the NuTone im / ima3303?

Common Problems with the NuTone IM / IMA3303. 1. Turn on the red LED indicator next to the FM button. 2. Change the LCD display from the clock time to the radio frequency display. 3. Display the last FM radio frequency that was played on the master station. 4. Turn the radio tuner on. 5. Switch the

How does the micro controller work on an ima3303?

All of the functions in an IM / IMA3303 are controlled by a Micro-Controller, which is something like the micro-processor that runs your computer or cell phone, only it has much less processing power. As an example of what the Micro-Controller does: When you want to listen to the radio on your IMA3303 you push the FM button and the radio turns on.

What causes self activation on the im / ima3303?

There is another cause for self-activation on the IM /IMA3303. This can be caused by a failure with the 74 Series Logic IC’s that are mounted on the Control Board. These IC’s work in conjunction with the micro-controller (read about the micro-control below), and if they are faulty, they can be the source of self-activation problems.

Adjust the dial or knob to see if that fixes the problem. If the switch was accidentally bumped, your dashboard lights might have been turned off. Flip the switch or turn the dial or knob up and see if the lights on your dash come on or get brighter. If adjusting the switch doesn’t work, you may have a blown fuse or bad lightbulb.