Pinpoint Test I : The RF Tweeter Speaker Is Inoperative: Notes
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Audio System/Navigation , for schematic and connector information.
Normal Operation and Fault Conditions
Refer to ACM in Information and Entertainment System .
| Root DTC Description | Failure Types | Fault Trigger Conditions |
|---|---|---|
| B1A02:01 | Speaker #2: General Electrical Failure | Set by the ACM when a failure is detected on the RF door or tweeter speaker circuits. |
| B1A02:11 | Speaker #2: Circuit Short to Ground | Set by the ACM when a short to ground is detected on the RF door or tweeter speaker circuits. When DTC B1A02:11 is set, the speaker output is disabled. |
| B1A02:12 | Speaker #2: Circuit Short to Battery | Set by the ACM when a short to battery is detected on the RF door or tweeter speaker circuits. When DTC B1A02:12 is set, the speaker output is disabled. |
| B1A02:13 | Speaker #2: Circuit Open | Set by the ACM when an open is detected on the RF door or tweeter speaker circuits. |
Possible Sources
- Speaker
- Wiring, terminals, or connectors
- ACM