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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] >> Without Bose® >> Outline

Without Bose®: Outline

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DTC B1A07:11 (CONNECTIVITY MASTER UNIT) DETECTION CONDITION AND POSSIBLE CAUSE - WITHOUT BOSE®

System malfunction location Rear door speaker (RH) audio output circuit malfunction
Detection condition
  • The audio amplifier detects a short to ground in the rear door speaker (RH) audio output circuit for 30 s.
Fail-safe Not applicable
Possible cause
  • Rear door speaker (RH) connector or terminal malfunction
  • Audio amplifier connector or terminal malfunction
  • Rear door speaker (RH) malfunction
  • Short to ground in rear door speaker (RH) audio output circuit
  • Audio amplifier malfunction
G13562205Courtesy of MAZDA MOTORS CORP.
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