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Navigation Display Buttons Do Not Work or Respond Properly

Special Tools Required
SCS service connector 07PAZ-0010100

Navigation display buttons do not work or respond properly

NOTE:
- Always make sure that the correct DVD color and version are installed.
- Check any official Honda service website for more service information about the navigation system.
- Always check the connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have the audio system and the navigation system anti-theft codes.
- Make sure that the correct colored DVD and version are installed.
- Inspect the DVD for damage.

1. Turn the ignition switch ON (II).

Does the navigation display turn on?

YES - Go to step 2.

NO - Refer to troubleshooting for no picture is displayed.

2. Try several navigation buttons and touch screen buttons.

Do all the buttons function properly?

YES - The system is OK at this time.

NO -
- If all navigation hard buttons and touch screen buttons are inoperative, go to step 3.
- If only some navigation buttons operate normally, while others do not, go into the Diagnostic mode and use Touch Panel diagnostic under Monitor Check and if necessary. Hard Key diagnostic under Unit Check.

3. Try to load and play a CD in the CD changer.

Does the CD display on the audio unit when the CD button is pushed?

YES - Go to step 9.

NO - Go to step 4.

4. Do the forced starting of the display.






Are all the connections normal (green)?

YES - Check the operation of the navigation screen, press Return. Then press Monitor Check. Then press Touch Panel Check. If any the buttons on the screen do not respond properly, replace the navigation display.

NO -
- The display, 6CD, radio and the XM are RED: Go to step 4.
- Only some of the links are RED: Go to step 9.

5. Remove the radio without disconnecting the connectors.
6. Check for continuity between B9 and B1O of the audio unit connector B (14P) and body ground.






Is there continuity?

YES - Go to step 7.

NO - Check all pin fits, and recheck operation. If the circuit is OK, substitute a navigation control unit. If there is no change, replace the navigation display unit.

7. In this order, disconnect the connectors one at a time until you no longer have continuity to ground.
- XM receiver A (14P) connector.
- Navigation control unit B (14P) connector.
- Navigation control unit A (20P) connector.
- Navigation display A (20P) connector.
- CD changer B (14P) connector.
- CD changer A (18P) connector.
- Audio unit B (14P) connector.

8. On the connector that you disconnected and lost continuity, check for continuity to ground on each terminal listed.
- Navigation control unit B2 and B8.
- Navigation control unit A10 and A20.
- Navigation display A3 and A13.
- CD changer A5 and A15.






Is there continuity to ground?

YES - Replace the shorted harness.

NO - Replace the unit that is shorted to ground.

9. Check for continuity between the CD changer connector B, navigation display connector A, and navigation control unit connector A according to the table.






Is there continuity?

YES - Check all pin fits and recheck operation. If the circuit is OK, substitute a navigation control unit. If there is no change, replace the navigation display unit.

NO - Replace the faulty harness.