What happened to my Dongfeng Honda CRV airbag indicator?

The airbag indicator lamp indicates the condition of the system to the driver. The indicator light is controlled by the airbag system control module (ACM), which is usually called the airbag control computer. When the ignition key is ignited, the ACM module receives the ignition and start signals. When the ignitiON switch is turned on (turned to the ON position), the airbag indicator light should flash for 7 ~ 9 times, and then keep a steady light emission during the engine start. Once the engine is started, the airbag indicator lights up 7 ~ 9 times, and then remains off during the engine operation. Any of the following indicators indicates that the airbag system is faulty:

If the ignition switch is turned on, the light will continue to flash instead of flashing.

If the ignition switch is turned on, the light flashes 7 ~ 9 times, and then continues to shine.

If the light is on when the engine is running.

If the light is not on at any time.

If the light does not shine steadily when the engine is started. If any of the above conditions occur, the driver should check the airbag system, because the airbag system may not work. When the airbag system enters the diagnostic mode, the indicator will flash the fault code. It should be noted that some airbag systems continue to emit light for about 5 seconds after the ignition switch is turned on and the engine is started.

The electronic control of airbag system is a passive safety protection system (see automobile safety performance), which can provide effective collision protection for passengers when used in conjunction with seat belts. When a car collides, the car airbag can reduce the head injury rate by 25% and the face injury rate by about 8 0%.

The airbag was first proposed by Hetrick in August 1953, and obtained the patent of "automobile buffer safety device" in the United States. With the formulation of automobile safety standards in various countries, the deployment rate of airbags is getting higher and higher. In Europe, America, Japan and other countries, the equipped rate of automobile airbags is close to 65,438+0,000%.

It is mainly composed of airbag sensor, anti-collision airbag and electronic control device.