| DETECTION CONDITION |
- Audio unit internal ECU (Power amplifier peripheral circuit) is faulted.
- Short to ground in speaker wiring harness and speaker lead wire
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| FAIL-SAFE FUNCTION |
- Stop output to the speakers.
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| POSSIBLE CAUSE |
- Audio unit connector or terminals malfunction
- Speaker connector or terminals malfunction
- Open circuit in wiring harness between the following terminals:
- Audio unit terminal 1A-Front door speaker (LH) terminal B
- Audio unit terminal 1C-Front door speaker (LH) terminal A
- Audio unit terminal 1D-Front door speaker (RH) terminal B
- Audio unit terminal 1F-Front door speaker (RH) terminal A
- Audio unit terminal 1S-Rear speaker (LH) terminal B
- Audio unit terminal 1U-Rear speaker (LH) terminal A
- Audio unit terminal 1V-Rear speaker (RH) terminal B
- Audio unit terminal 1X-Rear speaker (RH) terminal A
- Short to ground in wiring harness between the following terminals:
- Audio unit terminal 1A-Front door speaker (LH) terminal B
- Audio unit terminal 1C-Front door speaker (LH) terminal A
- Audio unit terminal 1D-Front door speaker (RH) terminal B
- Audio unit terminal 1F-Front door speaker (RH) terminal A
- Audio unit terminal 1S-Rear speaker (LH) terminal B
- Audio unit terminal 1U-Rear speaker (LH) terminal A
- Audio unit terminal 1V-Rear speaker (RH) terminal B
- Audio unit terminal 1X-Rear speaker (RH) terminal A
- Speaker malfunction
- Audio unit malfunction
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