Display Day/Night Mode Does Not Work Or Does Not Work Properly
WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Turn the headlight on, and check that the dash brightness setting is not set to high
- Check the connectors for poor connections or loose terminals
- Always check for and resolve all CAN DTCs before troubleshooting the navigation system
- Verity that the correct audio-navigation unit is installed for this model Go into the Diagnostic mode and use Version (see VERSION )
- Check any official Honda service website for more service information about the navigation system
- Turn the headlights on, and adjust the dash brightness up and down, then to the middle range
Does the display change to day and night modes when turning the headlights on and off?
YES -The system is OK at this time
NO -Go to step 2
- Cover the sunlight sensor on the dash, then turn the headlights on and off
Does the navigation display dim and brighten normally?
YES -The system is OK at this time
NO -Check the NAVI ILL+ circuit for an open or short to ground between the navigation display to the gauge control module If OK, substitute known-good units in this order and recheck the system
- Audio-navigation unit
- Climate control unit
- Gauge control module