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Pinpoint Test G : The LF Tweeter 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 LF speakers in the form of a fluctuating AC voltage. The LF tweeter speaker and the LF door speaker share the same audio signal.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
B1A01:01 Speaker #1: General Electrical Failure Sets when a failure is detected on the LF speaker circuits. This includes both the LF door speaker and LF tweeter speaker.
B1A01:11 Speaker #1: Circuit Short To Ground Sets when a short to ground is detected on the LF speaker circuits. This includes both the LF door speaker and LF tweeter speaker. When DTC B1A01:11 is set, the speaker output is disabled.
B1A01:12 Speaker #1: Circuit Short To Battery Sets when a short to battery is detected on the LF speaker circuits. This includes both the LF door speaker and LF tweeter speaker. When DTC B1A01:12 is set, the speaker output is disabled.