Pinpoint Test F: Navigation System Does Not Operate Correctly - The Navigation Screen Is Inoperative

Test Step 

F1 CHECK THE SWITCH DISPLAY 

• Key in ON position.
• Turn the audio unit on.
• Press and hold the AUDIO and MENU buttons for 5 seconds.
  Fig 1: Pressing/Holding "AUDIO" And "MENU"

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• Press 917 Enter.
  Fig 2: Pressing 917 Enter

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• Select Manual Check.
  Fig 3: Selecting "Manual Check"

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• Select Hard Switch Test.
  Fig 4: Selecting "Hard Output Test"

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• Push each switch on the display.
  Fig 5: Identifying "Hard Output Test" Display

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• Are all of the switches operating correctly? 

Result / Action to Take 

Yes 

GO to F2.

No 

REMOVE the audio unit and SEND it to an authorized Ford audio system repair facility. REFER to AUDIO UNIT . TEST the system for normal operation.

Test Step 

F2 CHECK THE MAP DISC SURFACE 

• Key in OFF position.
• Key in ON position.
• Remove and visually inspect the map disc surface.
• Is the map disc dirty or scratched? 

Result / Action to Take 

Yes 

INSTALL a new map disc. TEST the system for normal operation.

No 

REINSTALL the map disc. GO to F3.

Test Step 

F3 CHECK THE MAP DISPLAY 

• Key in OFF position.
• Key in ON position.
• Press the MAP button.
  Fig 6: Selecting "Map"

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• Is the map displayed? 

Result / Action to Take 

Yes 

The system is operating correctly at this time.

No 

GO to F4.

Test Step 

F4 CHECK FOR CORRECT NAVIGATION SYSTEM MODULE OPERATION 

• Disconnect all navigation system module connectors.
• Check for:
  • corrosion
  • pushed-out pins
• Connect all navigation system module connectors and make sure they seat correctly.
• Operate the system and verify the concern is still present.
• Is the concern still present? 

Result / Action to Take 

Yes 

INSTALL a new navigation system module. REFER to NAVIGATION SYSTEM MODULE  . TEST the system for normal operation.

No 

The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.