Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSFORD2005TAURUS SEL, 4D SEDANREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1356 (INFORMATION SYSTEM AND ENTERTAINMENT SYSTEM)DIAGNOSIS AND TESTINGINFORMATION AND ENTERTAINMENT SYSTEMSYMPTOM CHART - SYNC SYSTEM

2005 Ford Taurus SEL, 4D Sedan

Symptom Chart - SYNC System

2005 Ford Taurus SEL, 4D SedanSECTION Symptom Chart - SYNC System

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. 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 V .
Unable to pair Bluetooth device	Incompatible Bluetooth device. Customer error Customer Bluetooth device Accessory Protocol Interface Module (APIM)	GO to PINPOINT TEST W .
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 X .
The steering wheel controls are inoperative/do not operate correctly	Wiring, terminals or connectors Clockspring Steering wheel controls Audio Control Module (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 H .
Poor quality/distorted/no sound while in SYNC mode	Wiring, terminals or connectors APIM ACM	GO to PINPOINT TEST Y .
The SYNC system audible prompts are inoperative/do not operate correctly	Wiring, terminals or connectors Customer setting ACM APIM	NOTE: The audible prompts include the Text-To-Speech (TTS) feature, voice prompts, and ringtones. GO to PINPOINT TEST Z .
During a phone call, no incoming audio is heard in the vehicle	Wiring, terminals or connectors Customer setting ACM APIM	GO to PINPOINT TEST Z .
Voice recognition is inoperative/does not operate correctly	Fuse Wiring, terminals or connectors Microphone (part of the auto-dimming interior mirror) Steering wheel controls ACM (if equipped with navigation) APIM	GO to PINPOINT TEST U .
During a phone call, no outgoing audio is heard on the outside device	Fuse Wiring, terminals or connectors Microphone (part of the auto-dimming interior mirror) APIM	GO to PINPOINT TEST U .

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.