What makes the SRS airbag warning light work?
An airbag system consists of a few sensors, a module that interprets the signal, and an airbag that contains a small charge that allows it to deploy during an accident. These sensors can become worn and torn after time, most commonly in the passenger-side occupancy sensor and the clock spring.
Why is the airbag clock spring always on?
The airbag clock spring is there to maintain continuity between the electrical wiring of the vehicle and the driver-side airbag. It coils in and out as the steering wheel turns.
How does the inflatable restraint ( Sir ) system work?
How Things Work The Supplemental Inflatable Restraint (SIR) system supplements the protection offered by the driver and front passenger seat belts. The SIR system deploys an air bag from the center of the steering wheel and from the right side of the instrument panel. The knee bolsters and the steering column absorb crash energy.
Why does the SRS light keep coming on?
If you see the SRS light on, you must work to know why. It can be due to a variety of reasons including: ● The malfunctioning of airbag sensors: It is common for the sensors to fail. This may cause the sensor to activate all of a sudden for no reason, causing the airbag light to stay on.
What does the SRS light on a car mean?
The SRS light is a warning light that indicates an issue with the airbags system. Since it’s linked to the airbags, it’s also commonly known as the airbag light. In most cars, it looks like a side view of the driver or passenger in a seat with the seat belt on. There is also a large circle in front of the passenger, which indicates the airbag.
How can I tell if my airbag sensor is working?
To determine if the sensor is working okay, first check the “Passenger Airbag Off” indicator. If the seat is vacant, this light should be on. When the seat is occupied it should turn off implying that the airbag system is online and functioning. If the light is off when the seat is vacant or vice-versa, there could be a problem with the sensor.
How to reset SRS / airbag light on Mercedes Benz?
Find the port that fits the OBD cable and plug the scan tool’s cable into this port. 2. Put the key into the ignition and turn it to the “Run” position. This is the position just before the engine starts. Look at your OBD scan tool and write down the codes it displays. 3. Check your owner’s manual for what the codes mean. 4.