Symptom Troubleshooting

Symptom Troubleshooting: Navigation system will not accept security code

Navigation system will not accept security code

NOTE:

- Check the vehicle battery condition first.

- The system will not operate without the 5-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.

- Always 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 anti-theft codes for the audio system and the navigation system.

- Check any official Honda service web site for more service information about the navigation system.

1. Go into the Diagnostic mode, and use the ECU Info under the Unit Check diagnosis. Navigation System Diagnostic Mode (With Navigation) 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. Audio-Navigation Unit Removal/Installation (With Navigation)

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

Is the serial number confirmed on the upper side of the audio-navigation unit?
YES - Go to step 4.

NO - Replace the audio-navigation unit. Audio-Navigation Unit Removal/Installation (With Navigation)


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 5-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, 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).