A Fit sedan reflect the car's airbag fault warning light suddenly lit.
Connections obd2 airbag control system testing and found that the right front crash sensor fault code. After the replacement of the sensor, the airbag fault warning light goes out. Vehicles that use two days after the airbag fault warning light re-lit. Connection failure diagnostic read the fault code with the former. Maintenance personnel suspected to be related to wiring harness problems, so a careful check on the wiring harness, but did not find any problems. The airbag system structure is relatively simple, since it has been crash sensor problem, but also the normal route, it was suspected that the problem in the airbag computer.
Finally, replace the airbag computer troubleshooting.
Failure: ABS fault warning light is lit
Fit the user to reflect the ABS fault warning light lit on the dashboard.
Connection failure diagnostic testing, the ABS control system equipment prompted a bad right front wheel speed sensor signal. Upon closer inspection, the sensor head has a lot of metal foam. Wheel speed sensors are electromagnetic induction sensors, it is these metal powders affected the output of the sensor signal.
The sensor to clean up, troubleshooting and fault code clear.
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