Mazda Blind Spot Monitoring Not Working

The vehicle speed is about 10 km h 6 3 mph or faster.

Mazda blind spot monitoring not working.

Refer to warning indicator lights 5 refer to blind spot monitoring bsm system warning beep 4. The blind spot monitoring bsm switch is pressed and the blind spot monitoring bsm off indicator light in the instrument cluster is turned off. I was driving on the highway when suddenly the bsm off light started flashing and pressing the bsm button on the left does nothing. Light on dashboard came on bsm off and the system had completely stopped working.

What causes the bsm blind spot monitor system to stop working. It worked for 10 days and it went out again. The 2008 mazda cx 9 has 1 problems reported for blind spot monitor not working. Blind spot sensors are radar units normally located on the sides of the vehicle behind the rear bumper cover in the quarter panel and sometimes behind the front bumper.

Mazda s blind spot monitoring bsm uses radars mounted in the rear bumper to detect vehicles approaching from behind and in the adjacent lane. The blind spot monitoring bsm system will operate when all of the following conditions are met. The car was never in an accident and i even made sure the sensors on the back were clean. A system malfunction or operation conditions are indicated by a warning.

They replaced the entire module. It alerts drivers to the presence of vehicles in the blind spot on either side by displaying an icon in the appropriate door mirror. The bsm light flashing indicates a fault in the blind spot monitoring system. These sensors monitor the locations of other vehicles that the driver cannot see.

You can inspect the sensors and module for connections and wiring fault but the only way to find out the fault code is to bring it to a mazda dealer or a shop that has a good scan tool that will read body module fault codes and not just a obd2 code reader. Such close calls are not uncommon and can be dangerous. The ignition is switched on. If the driver indicates to change lanes with a vehicle in the blind spot the icon flashes and a warning beep is sounded.

Do not rely completely on the bsm system and be sure to look over your shoulder before changing lanes. The dealer re calibrated it twice.