Ford Workshop Service and Repair Manuals > C-MAX 2003.75 (06.2003-) > Mechanical Repairs | 4 Electrical | 419 Electronic Feature Group | 419-07A Navigation System - Vehicles With: Digital Versatile Disc (DVD) Navigation System | Description and Operation | Diagnosis and Testing

Diagnosis and Testing|Removal and Installation > < Navigation System

Navigation System - Vehicles With: Digital Versatile Disc (DVD) Navigation System - Navigation System

C-MAX 2003.75 (06/2003-)

Diagnosis and Testing

Refer to Wiring Diagrams Section 419-07, for schematic and connector information.

General Equipment

Worldwide Diagnostic System (WDS)

Inspection and Verification

NOTE:If the navigation system display module displays either of the following:

serial number(s) are incompatible
vehicle identification number (VIN) does not match

NOTE:Use WDS to configure the navigation system display module and the navigation digital versatile disc (DVD) unit to each other.

Verify the customer concern.

Visually inspect for obvious signs of mechanical or electrical damage.

Visual Inspection Chart

Mechanical	Electrical
Navigation system display module Audio unit Navigation system DVD unit Antenna Steering column audio controls (if equipped)	Fuse(s) Wiring harness Electrical connector(s) Navigation system display module Audio unit Navigation system DVD unit Steering column audio controls (if equipped) Central junction box (CJB)

If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.

If the cause is not visually evident, refer to the Self-Diagnostic Mode.

Self-Diagnostic Mode

NOTE:It is necessary to carry out part of the system diagnosis outside the workshop. Make sure there are no large buildings/obstructions or metal objects in the immediate vicinity.

Turn the ignition switch to position II.

To access the diagnostic menu, PRESS and HOLD the MENU button for approximately 10 seconds, until a audible beep is heard and the screen changes to the personal identification number (PIN) number display.

ENTER the following PIN number on the display to access the additional diagnostic menus: 6414.

PRESS the ENTER button on the display screen to confirm PIN number input.

The display screen will show the following sub-menu(s):

General Info
Manual Check
Display Info
Navigation Info
S/W Update
Self Check

TOUCH the display screen to select the required sub-menu.

Additional menus can be accessed from the following sub-menus:

General Info

This sub-menu contains vehicle configuration information.

The additional menus from this sub-menu are as follows:

Audio Diagnostics - Allows audio unit diagnosis

Manual Check

This sub-menu allows access to key test screens.

The additional menus from this sub-menu are as follows:

DIAGNOSTIC ERROR CODES - This will display a list of all set diagnostic trouble codes (DTC)s.
NAV RGB TEST - Display color confirmation.
TOUCH SCREEN CHECK - Allows the display touch calibration.
DISPLAY HARDKEY CHECK - On screens icons are illuminated when a hard key is pressed.

Display Info

This sub-menu contains software version information for the display.

Navigation Info

This sub-menu allows access to the global positioning system (GPS) information screens.

The additional menus from this sub-menu are as follows:

RESET POSITION - Allows the vehicle position to be reset to the current map DVD default country (Belgium).
VEHICLE/GYRO SIGNALS - Displays the vehicle direction, speed and distance. Also displays the gyro information.
GPS INFORMATION - Displays the GPS satellites signals to the navigation system and their position.

S/W Update

This sub-menu allows the update of the navigation system DVD unit software from a separate DVD ROM sent when an update is required and is available. This cannot be done from the normal navigation system DVD ROM.

Self-Check

This sub-menu displays error codes detected after an internal self-diagnostic check of the navigation DVD unit.

Turn the ignition switch to position 0 to exit the diagnostic menu.

If the cause is not evident after the Self-Diagnostic Mode, connect WDS to the data link connector (DLC).

Retrieve the DTCs and refer to the DTC Index Chart.

Diagnostic Trouble Code (DTC) Index Chart - Navigation System

DTC	Description/Condition	Possible Source	Action
B1342	Navigation system DVD unit failure	Navigation system DVD unit	Using WDS configure the navigation system. TEST the system for normal operation. If the DTC is still present, INSTALL a new navigation system DVD unit. REFER to: Navigation System Digital Versatile Disc (DVD) Unit (419-07A Navigation System - Vehicles With: Digital Versatile Disc (DVD) Navigation System, Removal and Installation).
B2204	GPS antenna connection open or short	Antenna fault open/short	CHECK the navigation system antenna connections. TEST the system for normal operation. IF the concern persists, INSTALL a new navigation system antenna cable.

Diagnostic Trouble Code (DTC) Index Chart - Navigation System Display

DTC	Description/Condition	Possible Source	Action
B1342	Display defective	Navigation system display module	INSTALL a new navigation system display module. REFER to: Navigation System Display Module (419-07A Navigation System - Vehicles With: Digital Versatile Disc (DVD) Navigation System, Removal and Installation).
B2995	Video feed missing	Navigation system DVD unit or navigation system display module signal	GO to Pinpoint Test B.

If the concern is still evident, refer to the Symptom Chart.

Symptom Chart

Symptom	Possible Sources	Action
The navigation system display module shows incomplete street/map information	* DVD ROM.	* CHECK the navigation DVD ROM level. * INSPECT the DVD ROM for damage. INSTALL a new DVD ROM. TEST the system for normal operation.
Navigation system will not switch on	* Instrument cluster.	* REFER to WDS.
Navigation system will not switch on	* Circuit(s). * Navigation system display module.	* GO to Pinpoint Test A.
Navigation system does not operate correctly	* Instrument cluster.	* REFER to WDS.
Navigation system does not operate correctly	* Circuit(s). * Navigation system display module. * Navigation system DVD unit.	* GO to Pinpoint Test B.
The audio unit is inoperative/does not operate correctly	* Instrument cluster. * Audio unit. * Navigation system display module. * Navigation system DVD unit.	* CHECK all communication between the instrument cluster, audio unit, navigation system display module and navigation system DVD unit. REFER to WDS.
The audio unit is inoperative/does not operate correctly	* Compact disc (CD) changer.	* REFER to: Audio System (415-00 Information and Entertainment System - General Information, Diagnosis and Testing).
The display is blank	* Instrument cluster.	* REFER to WDS.
The display is blank	* Navigation system display module. * Navigation system DVD unit.	* GO to Pinpoint Test B.
Poor quality/distorted sound from one or more speakers (not all speakers)	* Speaker(s). * Circuit. * Audio unit.	* REFER to: Audio System (415-00 Information and Entertainment System - General Information, Diagnosis and Testing).
No sound from all speakers	* Audio unit.	* INSTALL a new audio unit. REFER to: Audio Unit (415-01 Audio Unit, Removal and Installation) / Audio Unit - Vehicles Built Up To: 01/2008, Vehicles With: Digital Versatile Disc (DVD) Navigation System (415-01 Audio Unit, Removal and Installation). TEST the system for normal operation.
No sound from one or more of the speakers (not all speakers)	* Speaker(s). * Circuit. * Audio unit.	* REFER to: Audio System (415-00 Information and Entertainment System - General Information, Diagnosis and Testing).
The auxiliary audio control is inoperative/does not operate correctly.	* Circuit. * Audio control switch. * Audio unit.	* REFER to: Audio System (415-00 Information and Entertainment System - General Information, Diagnosis and Testing).