that 4wd is engaged and working if it blinks there is a problem with the 4wd
There is a problem with the SRS. Take it to a professional for repair. Working on the SRS is not a DIY job. Serious injury can occur when dealing with this system.
Usually an airbag light blinks to signal a problem. The number of blinks tells the driver the code number, which informs the driver of the problem.
It is important to know why a Check engine light blinks. In many cars, when it blinks so many times, it is indicating a code, which is indicating the problem number for the specific car.
That normally happens if one of your flasher bulbs is not working
You did not mention if it is a bulb problem or it will not flash. If it blinks faster on one side than the other, then you have a bad bulb. Check them and determine which is not working and replace it. If the indicator stays on steady, then you have a flasher problem. it will not flash
Have vehicle scanned to determine problem
it has long and short blinks. your blinks are not clear for me. if 8 long 6 short is 86, for coolant temperature is not right after the car started for few min. That is my car's problem.
Your vehicle may have a problem with its brakes.
Usually when the D4 light flashes it means there is a tranny problem.
The light is on because there is problem with the SRS. This is not a DIY repair. Serious injury can occur while servicing this system. You may also cause the airbag to prematurely deploy or not deploy at all. These air bag modules are very expensive and if it goes off, you have cost yourself big $. Take it to a professional for repair and don't even consider working on it yourself. Record the number of blinks before taking in for service. ex. three blinks followed by a pause, then two blinks would be a code 32. If there is a problem with your airbag system the light will go on, stay on, and even blink. The dash will even make a beeping sound. Record the blinks.
The computer does tests as you drive the car. It has found a problem in a component and is telling you about it. You will have to check for sure but it sounds like code 23 possible Air flow metering problem.