Part 1

Navigation System Diagnostic Mode

Start-Up Procedure and Diagnostic Menu

There are two ways to enter the diagnostic mode:

Method 1:

Start the vehicle, and at the disclaimer screen use the navigation display hard buttons as described below:

Make sure the battery is in good condition then press and hold the three buttons the MENU, the MAP/GUIDE, and the CANCEL, for about 3 seconds. The display screen goes directly to the Select Diagnosis Items menu.

- Self-Diagnosis Mode (runs the automatic diagnosis of the navigation system)
- Detail Information & Setting (allows you to manually diagnose the navigation system)





Method 2:

Start the vehicle. When the globe screen appears, connect the SCS service connector Forced Starting of the Navigation Unit to the navigation service check connector located behind the navigation unit in the trunk. The screen changes to the System Links screen and automatically begins running the self-diagnosis. See the System Links section for more information.

NOTE: When finished troubleshooting, make sure to remove the SCS service connector.






System Links

1. Enter this screen by connecting the SCS service connector or by selecting Self-Diagnosis Mode from the navigation screen main menu. The message at the bottom of the screen flashes indicating the diagnosis is running. Make sure you enter the audio anti-theft code.

NOTE: The system cannot complete a full diagnosis unless the engine is running.





2. Rotate the interface dial to select the icon you want to diagnose. Push in the selector to see the details of that diagnostic function.

The System Links function runs automatically and displays a flashing message at the bottom of the screen reminding you to have the engine running for the test. The diagnostic tests the following:

- Most of the wires connecting the navigation components shown in the block diagram.
- The connection diagnosis results from the navigation components shown in the block diagram.
- The microphone is tested by listening to the long sound produced by the navigation unit from the speakers when the diagnosis is started. This requires that the audio system be operating normally.

When the diagnosis finishes, the icons turn different colors based on their test status. The color definitions are shown below and can also be seen by selecting Help on the System Links screen.

The indication on the screen may not change until you exit and reenter the Self-Diagnosis mode. In some cases, you may have to restart the engine for the indication to change. After you repair the affected component or harness, repeat this diagnosis.

Each icon color is explained in the table.





NOTE: By selecting the HELP icon, you can see a description for each color.

Icon Color Information









Factory Diagnostic Screen In Line Diag

NOTE: If the vehicle left the factory in the factory diagnostic mode, you will see this screen every time you turn on the ignition. You may also see this screen if you recently replaced the navigation unit.

When a navigation unit is powered up for the first time at the factory, the factory diagnosis screen (In Line Diag) appears. Normally the factory does the steps necessary to verify proper operation and terminate the factory diagnosis.

Until the proper confirmation sequence is done, the screen appears every time the vehicle is started.





Follow the steps below to prevent the screen from showing up in the future:

- Press and hold the MENU, the MAP/GUIDE, and the CANCEL buttons for about 3 seconds. The Select Diagnosis items screen appears.
- Press and hold the MAP/GUIDE button for 5-10 seconds. A screen with a Complete button, appears.
- Press complete, then Return, and then shut the key off for 5 seconds. Do not disconnect the battery during this period as the unit is saving the setting to the SRAM memory. The In Line Diag should not appear again.
- Restart the vehicle, and confirm normal operation by completing the PDI of the Navigation System Service Bulletin.

Detailed Information & Setting

These sections allows you to run a specific diagnosis and allows additional setting choices for some screens that are not shown when selecting an icon from the System Links screen.

When you select the menu item Detail Information & Setting menu, the main diagnosis menu is displayed.





After the display changes to the Diagnostic Menu, select the item you want to check, and the test begins. To return to the previous screen, select Return.






Monitor Check

Overview of navigation display unit.

- The navigation display unit communicates with the navigation unit over its own GA-Net bus. Information sent by the navigation unit to the navigation display unit includes commands to control the LCD back light.
- The security system protects the navigation display unit by daisy-chaining the security signal through it, and then passing the signal to the audio unit.
- The illumination input from the gauge brightness control provides back lighting for the screen.

These screens allow you to troubleshoot the navigation display unit. Select the item you want to troubleshoot, and follow the diagnostic instructions.





RGB Color

This screen verifies that the navigation display unit is receiving the video (R, G, B and composite sync) signals properly. The three primary colors should all appear without distortion. The combination of all three should produce a central white section. If any of the colors are missing, troubleshoot for the color signal Symptom Troubleshooting. If the picture has lines in it or scrolls horizontally, or vertically, troubleshoot for a composite sync problem. Symptom Troubleshooting





Gray Tone

This screen checks for problems with contrast. You should be able to see the changes from bar to bar across the scale. It is normal for the two bars on either side to appear the same. If you can't see changes from bar to bar, replace the navigation display unit Service and Repair.





Black Raster

This screen checks for pixels that may be stuck on. The entire display must be black. If pixels are stuck on, replace the navigation display unit Service and Repair.





Color Pattern

This screen shows the colors being used for the map and menu screens. This is for factory use only. To check the color signal, use the RGB Color diagnostic found under the Monitor Check.






White Raster

This screen checks for pixels that may be dead (off). The entire display must be white. If there are dead pixels, replace the navigation display unit Service and Repair.





Monitor Adjustment

This screen allows you to center the navigation display. Use the interface dial to move the picture up/down or left/right. It is unlikely that you will ever need to adjust the monitor position. The Default button will reset the display position to factory specifications.






Unit Check (Quick Check)

Some of the tests and screens that are displayed under the Unit Check are different from the more detailed checks listed under other menu options.

To start the test, select the item you want to check.

- Display
- Radio
- GPS
- ECU Info.
- Rear Camera
- PC Card Info
- Hard Key
- Yaw Sensor
- DVD
- Aircon
- HFL
- XM





Display

This diagnosis checks on the communication bus between the navigation unit and the navigation display unit. In addition, this test checks the internal electronic functions.

- If Connection shows NG, the ECU Bus line may be failure. Check for hard error codes.
- If ROM or RAM shows NG, replace the navigation display unit Service and Repair.
- The version represents the software version in the display.





Radio

This diagnosis checks the communication bus between the navigation unit and the audio unit.

If Connection shows NG, the GA-Net Bus line may be failure. Check for hard error codes.

NOTE: If the XM icon appears red, but the Radio icon appears green in the navigation System Links, refer to audio system symptom troubleshooting.





GPS

This diagnosis checks the GPS antenna connection and the GPS receiver condition.

If Antenna shows NG, the GPS antenna may be failure. Check for hard error codes.

Select information to see the GPS satellite details.





ECU Info.

This diagnosis checks for problems in the navigation unit. When you initiate this diagnosis, the navigation unit may freeze or delay up to a minute while the diagnosis runs.

NOTE: Do not try to end this diagnosis by pressing OK or Mem clear before it finishes, otherwise the system may reboot.

- If V-RAM or D-RAM shows NG, replace the navigation unit Service and Repair.
- DVD lid displays the state of DVD Lid of navigation unit.
- Program Flash: Displays the version of the navigation software in memory.
- Program on DVD: If displayed, this value represents the version of the navigation software on the navigation DVD.
- DVD version represents the database version on the DVD. You can find this information in either the Setup Screen Version, or in the Diagnostic Screen Version.
- Serial No. should be the same as the serial number found on the underside of the navigation unit. You need this number to obtain the security code from the Interactive Network (iN) system.
- Mem Clear is used to initialize the memory in the navigation ECU, and to delete the old data program completely. Do not select Mem Clear except when using the Down Load procedure in Version.
Selecting this will clear the customer's settings, personal information, GPS orbital data, and anything else stored in memory.





Rear Camera

- This diagnosis checks whether rearview camera is connected to the navigation display unit.
- If Connection shows NG, the ADPT line between the rearview camera and the navigation display unit may be failure. Check for hard error codes.





PC Card info.

If there is no PC card in the PC card slot, the screen should display, PC Card is not inserted.

NOTE: Do not insert any card or object into the PC card slot unless you are instructed to by the factory.





If the factory provides a PC card and instructs you to insert it, the screen displays the Manufacturer, and Product Name as shown in the screen.





Hard Key

This diagnosis checks the interface dial and the navigation hard buttons that surround it. For this model, the interface dial and buttons do not use the GA-Net bus for communications.

To complete the test, press each button on the vehicle's audio-navigation switch panel, and move the interface dial to each indicated position. As each function is tested, the corresponding button on the display should highlight.

To exit, push in and hold the interface dial.

NOTE: You cannot use the onscreen return button to exit this function.





Yaw Sensor

This diagnosis gives a quick test of the yaw rate sensor functionality based on the two voltages Sensor and Offset. For more information see the Yaw Rate diagnosis.





DVD

This diagnosis checks the navigation DVD player.

- If the Error Detail shows " - ", error is not detected with the navigation DVD. If any error is detected, make sure that the correct navigation DVD color and version are installed, and inspect the navigation DVD for dirt or damage.
- For '11-12 models, The DVD error logs can be displayed by selecting the DVD Error.





The DVD error logs can be cleared by selecting the Clear.





Aircon

This diagnosis checks the climate bus connection (AC-SI and AC-SO) between the navigation unit and climate control unit. Make sure the engine is running for this test.

NOTE: If this diagnosis is run with the ignition switch in ACCESSORY (I), the result will be NG.





HFL

This diagnosis checks the 4 wire communication bus line between the HandsFreeLink control unit and the navigation unit.





XM

- This diagnosis checks the communication bus between the audio unit and the XM receiver.
- If Connection shows NG, the GA-Net Bus line may be failure. Check for hard error codes.





Functional Setup

Select the item you want to check.

- Save Users Memory
- Demo Mode
- Mic Level





Save Users Memory

When replacing the navigation unit, this function allows the dealer to transfer the customer's personal data to the new navigation unit. The transferred information includes their Setup settings, and personal addresses. The dealer inserts a PC card to the navigation unit, and then selects the Save Users Memory function. The two functions in this diagnostic screen are EXPORT and IMPORT. EXPORT saves the customer's data to the PC card, and IMPORT moves the PC card files to the new navigation unit.





Before starting this function, see the PC Card FAQs for information regarding PC cards, and how to use this function.

1. Select the EXPORT button to move the customer's data from the original navigation unit to the PC card. Select YES on the Export User Data Confirmation screen. The process takes only a couple of seconds. The system stores two files on the card.

NOTE: If the EXPORT button is grayed out, check the PC card's edge connector, and the pins inside the navigation unit (with a flashlight) for damage.





2. After installing the customer's original DVD in the new navigation unit, allow the system to boot up. Insert the PC card in the new navigation unit and enter the Save Users Memory in the navigation system diagnostic mode.

3. Select the IMPORT button to move the two files stored by the Export process from the PC card to the new navigation unit. Select YES on the Import User Data Confirmation screen. When the transfer is finished (a few seconds) the system automatically reboots. After the system reboots, remove the PC card from the PC card slot.

NOTE: If the IMPORT button is grayed out, check if the Model and the Program Flash shown on the Version screen are the same for the two navigation units.