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Pinpoint Test N : The RH Or LH D-Pillar 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 

Refer to Information and Entertainment System - Sony ® Sound , DSP

The audio DSP module directs audio signals to the rear D-pillar speakers in the form of a fluctuating AC voltage. The RH and the LH D-pillar speakers share the same audio signal.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
B1A05:01 Speaker #5: General Electrical Failure Sets by the audio DSP module when a failure is detected on the RH or LH D-pillar speaker circuits.
B1A05:11 Speaker #5: Circuit Short To Ground Sets by the audio DSP module when a short to ground is detected on the RH or LH D-pillar speaker circuits. When DTC B1A05:11 is set, the speaker output is disabled.
B1A05:12 Speaker #5: Circuit Short To Battery Sets by the audio DSP module when a short to battery is detected on the RH or LH D-pillar speaker circuits. When DTC B1A05:12 is set, the speaker output is disabled.
B1A05:13 Speaker #5: Circuit Open Sets by the audio DSP module when an open is detected on the RH or LH D-pillar speaker circuits.