LEMON Manuals: Even more car manuals for everyone
Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 245 (On-Board Diagnostic - MAZDA Connect (3 Of 5)) >> DTC B1A07-11: [Connectivity Master Unit] >> With Bose® >> Outline

With Bose®: Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1A07:11 (CONNECTIVITY MASTER UNIT) DETECTION CONDITION AND POSSIBLE CAUSE - WITH BOSE®

System malfunction location Rear side speaker (LH) audio output circuit or rear side speaker (RH) audio output circuit malfunction
Detection condition
  • The audio amplifier detects a short to ground in the rear side speaker (LH) audio output circuit or rear side speaker (RH) audio output circuit for 30 s.
Fail-safe Not applicable
Possible cause
  • Rear side speaker (LH) connector or terminal malfunction
  • Rear side speaker (RH) connector or terminal malfunction
  • Audio amplifier connector or terminal malfunction
  • Rear side speaker (LH) malfunction
  • Rear side speaker (RH) malfunction
  • Short to ground in rear side speaker (LH) audio output circuit or rear side speaker (RH) audio output circuit
  • Audio amplifier malfunction
G13562206Courtesy of MAZDA MOTORS CORP.