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Pinpoint Test

  1. RESET THE Accessory Protocol Interface Module (APIM)
    NOTE: Resetting the Accessory Protocol Interface Module (APIM) resets certain customer preference items.
    1. Remove any Universal Serial Bus (USB) devices connected in the media hub.
    2. Remove the Body Control Module (BCM) fuse 29 (20A).
    3. Wait 5 minutes.
    4. Reinstall the fuse and wait 2 minutes for the Accessory Protocol Interface Module (APIM) to re-intialize.
    5. Test the system for normal operation.
      • Does the system operate correctly? 
      1. Yes:  The cause of the fault was due to a device conflict. The system is operating correctly at this time.
      2. No:  GO to 2  on page 3.
  2. CHECK THE Universal Serial Bus (USB) PORT FUNCTIONALITY
    1. Connect: 105-00120.
    2. Using the 105-00120, attempt to play an audio file using the Universal Serial Bus (USB) port.
      • Is the audio output OK for the Universal Serial Bus (USB) port? 
      1. Yes:  GO to 3  on page 3.
      2. No:  GO to 5  on page 3.
  3. CHECK THE Secure Digital (SD) CARD SLOT FUNCTIONALITY
    1. Using a known good Secure Digital (SD) card, attempt to play an audio file and view images using the Secure Digital (SD) card slot.
      • Are the audio and image output OK for the Secure Digital (SD) card slot? 
      1. Yes:  GO to 4  on page 3.
      2. No:  INSTALL a new media hub. REFER to MEDIA HUB .
  4. CHECK THE RCA JACK FUNCTIONALITY
    1. Using the 105-00120 and 105-00121, attempt to play audio content using the RCA jacks.
      • Is the audio output OK for the RCA jacks? 
      1. Yes:  The media hub is working correctly at this time. INFORM the customer that the concern may be with the media or device being used.
      2. No:  GO to 9  on page 6.
  5. CHECK THE MEDIA HUB VOLTAGE SUPPLY
    1. Ignition OFF.
    2. Disconnect: Media Hub.
    3. Ignition ON.
    4. Measure.
      Fig 1: Checking Media Hub Voltage Supply
      G07428610Courtesy of FORD MOTOR CO.
      • Is the voltage greater than 5 volts? 
      1. Yes:  GO to 6  on page 4.
      2. No:  GO to 7  on page 4.
  6. ISOLATE THE MEDIA HUB
    1. Install a new media hub. REFER to MEDIA HUB .
    2. Connect: 105-00120.
    3. Using the 105-00120, attempt to play an audio file using the Universal Serial Bus (USB) port.
      • Is the audio output OK for the Universal Serial Bus (USB) port? 
      1. Yes:  The concern was caused by an inoperative media hub. The system is operating correctly at this time.
      2. No:  INSTALL a new Universal Serial Bus (USB) cable. REFER to UNIVERSAL SERIAL BUS (USB) CABLE - UPPER  or REFER to UNIVERSAL SERIAL BUS (USB) CABLE - LOWER .
  7. CHECK THE MEDIA HUB VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND
    1. Ignition OFF.
    2. Disconnect: Accessory Protocol Interface Module (APIM).
    3. Measure:
      Fig 2: Checking Media Hub Voltage Supply Circuit For Short To Ground
      G07428611Courtesy of FORD MOTOR CO.
      • Is the resistance greater than 10,000 ohms? 
      1. Yes:  GO to 8  on page 5.
      2. No:  REPAIR the circuit.
  8. CHECK THE MEDIA HUB VOLTAGE SUPPLY AND GROUND CIRCUITS FOR AN OPEN
    1. Measure:
      Fig 3: Checking Media Hub Voltage Supply And Ground Circuits For Open
      G07428612Courtesy of FORD MOTOR CO.
      • Are the resistance less than 3 ohms? 
      1. Yes:  GO to 12  on page 8.
      2. No:  REPAIR the circuit in question.
  9. CHECK THE AUDIO INPUT JACK OR MEDIA HUB CIRCUITS FOR A SHORT TO VOLTAGE
    1. Ignition OFF.
    2. Disconnect: Media Hub.
    3. Disconnect: Accessory Protocol Interface Module (APIM).
    4. Ignition ON.
    5. Measure:
      Fig 4: Checking Audio Input Jack Or Media Hub Circuits For Short To Voltage
      G07428613Courtesy of FORD MOTOR CO.
      • Is any voltage present? 
      1. Yes:  REPAIR the circuit in question.
      2. No:  GO to 10  on page 7.
  10. CHECK THE AUDIO INPUT JACK OR MEDIA HUB CIRCUITS FOR A SHORT TO GROUND
    1. Ignition OFF.
    2. Measure:
      Fig 5: Checking Audio Input Jack Or Media Hub Circuits For Short To Ground
      G07428614Courtesy of FORD MOTOR CO.
      • Are the resistances greater than 10,000 ohms? 
      1. Yes:  GO to 11  on page 7.
      2. No:  REPAIR the circuit in question.
  11. CHECK THE MEDIA HUB CIRCUITS FOR AN OPEN
    1. Measure:
      Fig 6: Checking Media Hub Circuits For Open
      G07428615Courtesy of FORD MOTOR CO.
      • Are the resistance less than 3 ohms? 
      1. Yes:  INSTALL a new media hub. REFER to MEDIA HUB .
      2. No:  REPAIR the circuit in question.
  12. CHECK FOR CORRECT Accessory Protocol Interface Module (APIM) OPERATION
    1. Ignition OFF.
    2. Disconnect and inspect the Accessory Protocol Interface Module (APIM) connector.
    3. Repair:
      • corrosion (install new connectors or terminals - clean module pins)
      • damaged or bent pins - install new terminals pins
      • pushed-out pins - install new pins as necessary
    4. Reconnect the Accessory Protocol Interface Module (APIM) connector. Make sure it seats and latches correctly.
    5. Operate the system and determine if the concern is still present.
      • Is the concern still present? 
      1. Yes:  CHECK On-Line Automotive Service Information System (OASIS) for any applicable Technical Service Bulletins (TSBs). If a Technical Service Bulletin (TSB) exists for this concern, DISCONTINUE this test and FOLLOW Technical Service Bulletin (TSB) instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new Accessory Protocol Interface Module (APIM). REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) .
      2. No:  The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
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