Navigation System Will Not Accept Security Code

Navigation system will not accept security code

NOTE:
- The system will not operate without the 4-digit security (anti-theft) code. 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.
- Verity that the correct navigation unit is installed for this model. Go into the Diagnostic mode and use Version.
- Check for connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have anti-theft codes for the audio system and the navigation system.
- Make sure that the correct DVD color and version are installed.
- Inspect the DVD for dirt or damage.
- Check any official Honda service website for more service information about the navigation system.
- Check the vehicle battery condition first.

1. Go into the Diagnostic mode and use the ECU Info under the Unit Check diagnosis. A brief diagnostic will run for 20 seconds, and the serial number is then displayed.

Is the serial number displayed?

YES - Go to step 4.

NO - Go to step 2.

2. Remove the navigation unit.
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.

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 POI 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 control unit, and enter "Security code is 0000" in the problem description field of the core return form.

NO - Replace the control 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.