Symptom Troubleshooting

Navigation System Symptom Troubleshooting - Navigation system does not accept security code

Navigation system does not accept security code

NOTE:

- Check the vehicle battery condition first Testing and Inspection.
- Check any official Honda service website for more service information about the navigation system.
- The system does not operate without the 4-digit security (anti-theft) code. If the navigation system does not accept the code, follow this procedure. After you try to enter the security code 10 times consecutively, you must cycle the key to try again.
- If the interface dial does not work, go to Interface dial and/or buttons do not work.
- The Navigation System Diagnosis and Core Return Form is available online, under Job aids, and can be printed out for recording this information. This information will help the Reman facility determine what caused the failure.
- Check for and resolve all CAN DTCs before troubleshooting the navigation system.
- Check the connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have the anti-theft codes for the navigation system.
- Verify that the correct navigation unit is installed for this model. Go into the Diagnostic mode and use Version.
- Make sure the correct navigation DVD (color and version) is installed.

1. Go into the System Diagnostic Mode, and use the ECU info under the Unit check diagnosis. A brief diagnostic runs for 20 seconds, and the serial number is displayed.

Is the serial number displayed?

YES -

Go to step 4.

NO -

Go to step 2.

2. Remove the navigation unit Service and Repair.

3. Check the serial number on the label on the underside of the navigation unit.

Is the serial number confirmed on the underside of the navigation unit?

YES -

Go to step 4.

NO -

Replace the navigation unit Service and Repair.�

4. Using the serial number, look up the navigation security code in the Interactive Network. (click: Service, Vehicle Information, Anti-Theft code Inquiry, and then select Navigation from the Product dropdown box). Enter the serial number.

Is a 4-digit code displayed on the screen?

YES -

Go to step 5.

NO -

Call the Warranty Department to obtain the code (the telephone number is in the PDI service bulletin). Then go to step 5.

5. Check that the obtained code works to bypass the code screen in the navigation system.

Does the code work?

YES -

The system is OK at this time. Return the vehicle to the customer, and give them the anti-theft code.�

NO -

Go to step 6.

6. Try entering four zeros (0000) in place for the code.

Do the four zeros work to bypass the code screen?

YES -

Replace the navigation unit Service and Repair, and enter "Security code is 0000" in the problem description field of the core return form.�

NO -

Replace the navigation unit Service and Repair, and enter "Won't take security code" (as proof, enclose the sticker that contains the Serial number and the Code) in the problem description field of the core return form.�