DTC B1A12-2B: Rear Door Speaker (RH) Audio Output Circuit Malfunction: Outline
DTC B1A12-2B: (CONNECTIVITY MASTER UNIT) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Rear door speaker (RH) audio output circuit malfunction |
| Detection condition |
- The audio amplifier detects a short circuit between the rear door speaker (RH) audio output circuits for 30 s.
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| 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 circuit between rear door speaker (RH) audio output circuits
- Audio amplifier malfunction
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 Courtesy of MAZDA MOTORS CORP.
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