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Pinpoint Test O : The LR Door Speaker Is Inoperative Or Has Poor Sound Quality: Notes

Diagnostic Overview 

Refer to Audio System/Navigation for schematic and connector information.

Normal Operation and Fault Conditions 

The ACM directs audio signals to the LR door speaker in the form of fluctuating AC voltage. The LH quarter panel speaker shares the same audio signal with the LR door speaker.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
B1A04:01 Speaker #4: General Electrical Failure Set by the ACM when a failure is detected on the LR speaker circuits. This includes both the LR door and LH quarter panel speakers.
B1A04:11 Speaker #4: Circuit Short To Ground Set by the ACM when a short to ground is detected on the LR speaker circuits. This includes both the LR door and LH quarter panel speakers. When DTC B1A04:11 is set, the speaker output is disabled.
B1A04:12 Speaker #4: Circuit Short To Battery Set by the ACM when a short to battery is detected on the LR speaker circuits. This includes both the LR door and LH quarter panel speakers. When DTC B1A04:12 is set, the speaker output is disabled.
B1A04:13 Speaker #4: Circuit Open Set by the ACM when an open is detected on the LR speaker circuits. This includes both the LR door and LH quarter panel speakers.