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 12 Volt Battery Test.
- The system will not operate without the 4-digit security (anti-theft) code. Follow the this procedure. (After 10 consecutive tries, you must cycle the key to continue trying)
- The Navigation System Diagnosis and Core Return Form is available on ISIS, 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 the connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have the antitheft code for the audio-navigation unit.
- Verify that the correct audio-navigation unit is installed for this model. Go into the System Diagnostic Mode and use Version.
- Make sure that the correct navigation DVD color and version are installed.
- Check any official Honda service website for more service information about the navigation system.

1. Go into the System Diagnosis Mode, select Detail Information & Settings, and use ECU info Navigation System Diagnostic Mode under Unit check. 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 audio-navigation unit.

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

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

YES -

Go to step 4.

NO -

Replace the audio-navigation unit.�

4. Using the serial number, look up the navigation security code in the Interactive Network (iN) (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 -

Replace the audio-navigation unit Audio-Navigation Unit Removal/Installation, and enter "Won't take security code" in the problem description field of the core return form (as proof, enclose the sticker that contains the serial number and the code).�