Display Day/Night Mode Does Not Work
Display day/night mode does not workNOTE:
- 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.
1. Turn the ignition switch to ON (II).
2. Turn the headlight ON and make sure the instrument panel brightness control is not on full brightness (MAX button pressed).
3. 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.
4. Go into the Diagnostic Mode and use diagnostic the "Car Status" diagnostic to check for an ILL signal.
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. If OK, substitute a known-good navigation unit and recheck.