Pinpoint Test H : 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 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 | Set by the ACM when a failure is detected on the LF speaker circuits. |
| B1A01:11 | Speaker #1: Circuit Short To Ground | Set by the ACM when a short to ground is detected on the LF speaker circuits. When DTC B1A01:11 is set, the speaker output is disabled. |
| B1A01:12 | Speaker #1: Circuit Short To Battery | Set by the ACM when a short to battery is detected on the LF speaker circuits. When DTC B1A01:12 is set, the speaker output is disabled. |