Pinpoint Test Z: The Sync® System Is Completely Inoperative

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

Z1 CHECK FOR SCAN TOOL COMMUNICATION WITH THE APIM
- Carry out the network test using the scan tool.
- Does the APIM pass the network test?
- Yes : GO to Z2.
- No : REFER to MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ article.
Z2 CHECK THE SYNC® SYSTEM OPERATION
NOTE: Carrying out a Master Reset returns all preference settings to the factory defaults, erases all the phone book and call histories, and deletes any devices paired with the SYNC® system.
- Connect: Multi-Media Interface Tester.
- Using the Multi-Media Interface Tester, test the audio output for the audio input jack, USB port, and Bluetooth connection using the VOICE switch on the steering wheel controls to enter each mode.
- Do all of the SYNC® inputs function correctly?
- Yes : The SYNC® system is operating correctly at this time. CARRY OUT a SYNC® system Master Reset. Refer to the Owner's Literature.
  REVIEW the SYNC® system operation with the customer. If the customer device still does not operate correctly, the fault is with the customer device.
- No : GO to Z3.
Z3 RESET THE APIM AND RECHECK SYNC® SYSTEM OPERATION
- Carry out an APIM power reset by disconnecting the battery for 5 minutes, then reconnecting it.
- Connect: Multi-Media Interface Tester.
- Using the Multi-Media Interface Tester, test the audio output for the audio input jack, USB port, and Bluetooth connection using the VOICE switch on the steering wheel controls to enter each mode.
- Do all of the SYNC® inputs function correctly?
- Yes : The SYNC® system is operating correctly at this time. CARRY OUT a SYNC® system Master Reset. REFER to the Owner's Literature.
  REVIEW the SYNC® system operation with the customer. If the customer device still does not operate correctly, the fault is with the customer device.
- No : If only some (but not all) of the inputs are inoperative, GO to Symptom Chart - SYNC®System to diagnose the observed symptom. If all inputs are inoperative and/or DTC U3000:04 is present, INSTALL a new APIM. REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) .