WACM (Wireless Accessory Charging Module)
The WACM inductively charges a single Qi (pronounced \"chee\") compatible mobile device at rates of up to 5W of power. Some devices feature built-in wireless charging capability, while other devices require a separate compatible case or back cover to support wireless charging. A list of compatible devices can be found at https://owner.ford.com/WirelessPhoneCharging. If a customer's device is not on the list, he or she should check with their phone manufacturer to determine if it supports wireless charging. Not all phones are compatible with wireless charging.
The WACM is powered at all times (PAAT), receiving power directly from the vehicle's battery. The WACM receives signals from the BCM (CAN signals and a hardwire) to indicate when an interior key search is performed, which the WACM responds by disabling charge briefly, and resuming charge after the event ends. The hardwire is a controlled Field-Effect Transistor (FET) that shorts to battery before and during the key search.
The WACM also receives signals from the radio, which allow it to know when to shift frequency to avoid interfering with the AM radio.
The WACM sends signals to Sync to display charging status updates to the users (wireless charger active, foreign/metal object detected, etc.).
The WACM features foreign object detection that can detect when foreign objects (metals and non-metals) are placed between the device and the charging surface. When this is detected, the FCIM display will display a message until the condition is corrected. For additional tips on how to effectively use the wireless charger, reference the customer to https://owner.ford.com/WirelessPhoneCharging.