Display Day/Night Mode Does Not Work Or Does Not Work Properly

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 Honda Crosstour, 2014 Honda Crosstour, 2013 Honda Crosstour, 2012 Honda Crosstour, and 2011 Honda Accord Crosstour. 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.
Verify That The Correct Navigation Unit Is Installed For This Model. Go Into The System Diagnostic Mode, And Use Version (See version ).
Make Sure That The Correct Navigation DVD Color And ' Version Are Installed.
Inspect The Navigation DVD For Dirt Or Damage (See DVD Handling And Cleaning ).
Before troubleshooting, make sure you have the anti-theft codes for the audio system and the navigation system.
After troubleshooting, enter the anti-theft codes for the audio system and the navigation system.
Check Any Official Honda Service Website For More Service Information About The Navigation System.

Turn the ignition switch to ON (II).
Press the Day (SUN/MOON) button to see if the display changes to day and night modes.
Does the display change to day and night modes when pressing the Day/Night button?

Yes -Go to next step.

No -Go to interface dial buttons do not work troubleshooting (see INTERFACE DIAL BUTTONS DO NOT WORK ).
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 next step.
Check for hard error code (see How to Check Error History (Navigation DTCs) ).
Are there any navigation DTCs indicated?

Yes -Troubleshoot the indicated navigation DTC(s).

No -Go to next step.
Turn he ignition switch to LOCK (0).
Disconnect the navigation display unit 28P connector.
Turn the ignition switch ON (II).
With the headlight switch on, measure the voltage between navigation display unit 28P connector terminal No. 28 and body ground.

Fig 1: Checking Continuity Between Audio Unit (24P) Terminal 11 And Hfl-Navigation Voice Control Switch 5P Connector Terminal 2
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

Yes -Substitute a known-good navigation display unit (see Navigation Unit Removal/Installation ), and recheck. If the symptom/indication goes away, replace the original navigation display unit (see page 23-268). If the symptom/indication is still present, replace the navigation unit (see Navigation Unit Removal/Installation ).

No -Repair an open or short in the wire between the navigation unit and the passenger's under-dash fuse/relay box.