Pinpoint Test I : The RF 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 RF speakers in the form of a fluctuating AC voltage. The RF tweeter speaker and the RF door speaker share the same audio signal.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B1A02:01 | Speaker #2: General Electrical Failure | Sets when a failure is detected on the RF speaker circuits. This includes both the RF door speaker and RF tweeter speaker. |
| B1A02:11 | Speaker #2: Circuit Short To Ground | Sets when a short to ground is detected on the RF speaker circuits. This includes both the RF door speaker and RF tweeter speaker. When DTC B1A02:11 is set, the speaker output is disabled. |
| B1A02:12 | Speaker #2: Circuit Short To Battery | Sets when a short to battery is detected on the RF speaker circuits. This includes both the RF door speaker and RF tweeter speaker. When DTC B1A02:12 is set, the speaker output is disabled. |