Symptom Chart - SYNC System

WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

SYNC SYSTEM SYMPTOM CHART

Condition	Possible Sources	Action
The SYNC system is completely inoperative	Audio system concern Communication network concern Customer error Customer device	GO to PINPOINT TEST S .
Poor quality/distorted/no sound while in SYNC mode	Wiring, terminals or connectors Accessory Protocol Interface Module (APIM) Audio Control Module (ACM)	GO to PINPOINT TEST X .
Unable to pair Bluetooth device	Incompatible Bluetooth device Customer error Customer Bluetooth device APIM	GO to PINPOINT TEST T .
An individual Bluetooth device feature is inoperative	Customer device compatibility	NOTE: If a Bluetooth device is able to pair with the SYNC system, there are no concerns with the APIM . INSTRUCT the customer to review the device compatibility list on the SyncMyRide website . Not all phone features are available through the SYNC system. This is normal operation.
The Universal Serial Bus (USB) port is inoperative/does not operate correctly	Customer USB device USB cable and port APIM	GO to PINPOINT TEST U .
The steering wheel controls are inoperative/do not operate correctly	Wiring, terminals or connectors Clockspring Steering wheel controls ACM APIM (without navigation only)	GO to PINPOINT TEST F .
The audio input jack is inoperative/does not operate correctly	Wiring, terminals or connectors Audio input jack APIM	GO to PINPOINT TEST G .
The SYNC system audible prompts are inoperative/do not operate correctly	Customer setting Wiring, terminals or connectors APIM ACM	NOTE: The audible prompts include the Text-To-Speech (TTS) feature, voice prompts, and ringtones. GO to PINPOINT TEST V .
During a phone call, no incoming audio is heard in the vehicle	Customer setting Wiring, terminals or connectors APIM ACM	GO to PINPOINT TEST V .
Voice recognition is inoperative/does not operate correctly	Fuse Wiring, terminals or connectors Steering wheel controls Microphone (part of auto-dimming interior mirror) ACM (if equipped with navigation) APIM	GO to PINPOINT TEST W .
During a phone call, no outgoing audio is heard on the outside device	Fuse Wiring, terminals or connectors Microphone (part of auto-dimming interior mirror) APIM	GO to PINPOINT TEST W .