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What is the resistance of an airbag?

2 Answers

ONevaeh

07/25/25 3:34am

The resistance value of an airbag ranges between 2 ohms and 3 ohms. The airbag control module is typically located in front of the gear shift lever or beneath it. Below are detailed explanations about airbags: Introduction: The electronic airbag system is a passive safety (refer to vehicle safety performance) protection system. When used in conjunction with seat belts, it provides effective collision protection for occupants. During a vehicle collision, airbags can reduce head injury rates by 25% and facial injury rates by approximately 80%. History: The concept of airbags was first proposed by Hetrick in August 1953, who subsequently obtained a U.S. patent for the 'Automobile Safety Cushion Assembly.' With the establishment of vehicle safety standards in various countries, the installation rate of airbags has significantly increased. In Europe, the U.S., Japan, and other countries, the installation rate of airbags in vehicles has reached nearly 100%.

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VanGabriel

08/10/25 5:03pm

I find the topic of airbag resistance quite important. Generally, the resistance value ranges between 2 to 3 ohms, but never rely solely on this number as it varies significantly across different vehicle models. Some new cars might have values as low as 1.5 ohms, while older vehicles can go up to 4 ohms. Such large differences can affect the proper functioning of the airbag system. If the resistance is too high, the airbag might fail to deploy, and if it's too low, it could trigger accidentally—both scenarios are dangerous. Having dealt with this myself, I know that checking requires referring to the repair manual, as each manufacturer specifies exact values. Never attempt to measure or repair it yourself, as the airbag components carry high voltage and mishandling can cause an explosion. When driving, if the warning light comes on, don’t ignore it—get a professional diagnostic check immediately. I recommend having technicians check the resistance during regular maintenance to ensure safety, as the cost of replacement isn’t high. Ultimately, protecting lives is paramount, and overlooking something as seemingly minor as resistance is not an option.

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