Honda 2007 Acura RL User Manual page 67

2005-08 ACCESSORIES AND EQUIPMENT Navigation System - RL
NAVIGATION SYSTEM WILL NOT ACCEPT SECURITY CODE
NOTE:
Check the vehicle battery condition first.

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 remain facility to determine
what caused the failure.
Always check for and resolve all CAN DTCs before troubleshooting the

navigation system.
Always check the connectors for poor connections or loose terminals.

Before troubleshooting, make sure you have the anti-theft codes for the

audio system and the navigation system.
Verify that the correct navigation unit is installed for this model.

Go into the Diagnostic mode and use "Version" (see VERSION ).
Always make sure that the correct DVD color and version are installed.

Check on-line for service bulletins or other service information for the

navigation system.
Enter the anti-theft codes for the audio system and the navigation

system.
1. Go into the "System diagnosis menu" (see SYSTEM DIAGNOSTIC MODE ), select "Unit check,"
and then "Navi ECU." A brief diagnostic will run for 20 seconds, and the serial number is then
displayed.
Is the serial number displayed?
YES - Go to step 3.
NO - Go to step 2.
2. Check the navigation unit.
Is there a serial number on the label of the underside of the navigation unit?
YES - Go to step 3.
NO - Replace the navigation unit (see NAVIGATION UNIT REMOVAL/INSTALLATION ).
3. 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.
2007 Acura RL