Pinpoint Test H : The LF Tweeter Speaker Is Inoperative: Notes
WARNING: This page is about a different car, the 2016 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 |
|---|---|---|
| B1A01:01 | Speaker #1: General Electrical Failure | Set by the ACM when a failure is detected on the LF door or tweeter circuits. |
| B1A01:11 | Speaker #1: Circuit Short to Ground | Set by the ACM when a short to ground is detected on the LF door or tweeter 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 door or tweeter speaker circuits. When DTC B1A01:12 is set, the speaker output is disabled. |
| B1A01:13 | Speaker #1: Circuit Open | Set by the ACM when an open is detected on the LF door or tweeter speaker circuits. |
Possible Sources
- Speaker
- Wiring, terminals, or connectors
- ACM