1. Inspect for continuity between the audio amplifier connector terminals and woofer connector terminals using an ohmmeter.
2. Verify that there is battery positive voltage at the woofer connector terminal A (4SD) or C (5HB) using a voltmeter.
3. Inspect continuity between the woofer connector terminal B and body ground using an ohmmeter.
Mazda 6 Service Manual: Blind Spot Monitoring (BSM) Warning Indicator Lights/Display Indicator/ Blind
Spot Monitoring (BSM) Warning Beep
The Blind Spot Monitoring (BSM) or Rear Cross Traffic Alert (RCTA) system notifies
the driver of the presence of vehicles in adjacent lanes or at the rear of the vehicle
using the Blind Spot Monitoring (BSM) warning indicator light, the warning sound
and the display indicator (vehicles with mu ...
Mazda 6 Service Manual: Rear View Monitor
The rear view monitor provides visual images of the rear of the vehicle when
reversing.
WARNING
Always drive carefully confirming the safety of the rear and the surrounding
conditions by looking directly with your eyes: Reversing the vehicle by only
looking at the screen is dangerous as it m ...