Symptom Troubleshooting
Navigation System Symptom Troubleshooting - Navigation display buttons do not work or respond properly
Special Tools Required
- SCS Service Connector 07PAZ-001010A
Navigation display buttons do not work or respond properly
NOTE:
- Check the vehicle battery condition first Testing and Inspection.
- Check the connectors for poor connections or loose terminals.
- Make sure that the correct navigation DVD color and version are installed.
- Inspect the navigation DVD for damage.
- Check any official Honda service website for more service information about the navigation system.
- Before troubleshooting, make sure you have the anti-theft codes for the audio system and the navigation system.
- After troubleshooting, enter the anti-theft codes for the audio system and the navigation system.
1. Turn the ignition switch to ON (II).
Does the navigation display turn on?
YES -
Go to step 2.
NO -
Refer to troubleshooting for no picture is displayed Symptom Troubleshooting.�
2. Try several navigation buttons and touch screen buttons.
Do all the buttons function properly?
YES -
Intermittent failure, 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 audio disc changer.
Does the CD display on the audio unit when the CD button is pressed?
YES -
Go to step 9.
NO -
Go to step 4.
4. Do the forced starting of the navigation unit Forced Starting Of The Navigation Unit (With Navigation).
Are all the connections normal (green)?
YES -
Check the operation of the navigation screen, then press Return. Then press Monitor Check. Then press Touch Panel Check. If any buttons on the screen do not respond properly, replace the navigation display unit Service and Repair.�
NO -
- The display, 6 CD, 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 audio unit connector B (14P) terminals No. 9 and No. 10 and body ground individually.
Is there continuity?
YES -
Go to step 7.
NO -
Check all pin fits, and recheck operation. If the circuit is OK, substitute a navigation unit Service and Repair. If there is no change, replace the navigation display unit Service and Repair.�
7. In this order, disconnect the connectors one at a time until you no longer have continuity to ground.
- XM receiver connector A (14P)
- Navigation unit connector B (32P)
- Navigation unit connector C (16P)
- Navigation display unit connector A (20P)
- Audio disc changer connector B (14P)
- Audio disc changer connector A (18P)
- Audio unit connector B (14P)
8. On the connector that you disconnected and lost continuity, check for continuity to ground on each terminal listed.
- Navigation unit connector C2 and C10
- Navigation unit connector B10 and B26
- Navigation display unit connector A3 and A13
- Audio disc changer connector A5 and A15
Is there continuity to ground?
YES -
Replace the shorted harness.�
NO -
There is an internal short. Replace the navigation unit Service and Repair.�
9. Check for continuity between the audio disc changer connector B (14P) terminals, navigation display unit connector A (20P) terminals, and navigation unit connector B (32P) terminals according to the table.
Is there continuity?
YES -
Check all pin fits, and recheck operation. If the circuit is OK, substitute a navigation unit Service and Repair. If there is no change, replace the navigation display unit Service and Repair.�
NO -
Replace the faulty harness.�