Display day/night mode does not work
WARNING: This page is about a different car, the 2008 Acura TL and 2007 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Check the vehicle battery condition first.
- Check for and resolve all CAN DTCs before troubleshooting the navigation system.
- Check the connectors for poor connections or loose terminals.
- Before troubleshooting, get the navigation system anti-theft codes.
- After troubleshooting, enter the navigation system anti-theft codes.
- Turn the ignition switch to ON (II).
- Turn the headlight ON and make sure the instrument panel brightness control is not on full brightness (MAX button pressed).
- Change the day/night mode to AUTO under Set-up, and recheck.
Does the display change to day and night modes using the headlights?
YES -The system is OK at this time.
NO -Go to step 4.
- Go into the Diagnostic Mode and use diagnostic the "Car Status" diagnostic to check for an ILL signal (see CAR STATUS
).
Is the "ILL" signal OK?
YES -The system is OK.
NO -Check the ILL+ circuit for an open or short to ground between navigation unit connector A (20P) terminal No. 5 and under-dash fuse/relay box connector F terminal No. 9 (see UNDER-DASH FUSE/ RELAY BOX ). If OK, substitute a known-good navigation unit and recheck.