Navigation System Will Not Accept Security Code
- Check the vehicle battery condition first (see BATTERY TEST )
- 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 code
- Check any official Honda service website for more service information about the navigation system
- Go into the System Diagnostic mode, and use the ECU Info under the Unit Check diagnosis (see
UNIT CHECK (QUICK 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
- Remove the audio-navigation unit (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION )
- 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 (see AUDIO-NAVIGATION UNIT REMOVAL/INSTALLATION )
- 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
- 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 discription field of the core return form, (as proof, enclose the sticker that contains the Serial number and the Code)