Display Day/Night Mode Does Not Work
Display day/night mode does not workNOTE:
- Always check the connectors for poor connections or loose terminals.
- Before troubleshooting, make sure you have the navigation system anti-theft codes.
- After troubleshooting, enter the anti-theft codes for the navigation system.
- 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 Diagnostic mode and use Version.
- Always make sure that the correct DVD color and version are installed.
- Check any official Honda service website for more service information about the navigation system.
- Full brightness on the instrument panel brightness control causes the system to stay in the day mode, even when the lights are on.
1. Adjust the A/C using voice command.
Can you control the A/C by voice command?
YES - Go to step 2.
NO - Do navigation cannot control A/C by voice troubleshooting.
2. Make sure the instrument panel brightness control is not on full brightness. Turn the headlights on, and adjust the dash brightness to the middle range.
3. Change the day/night mode under Set-up to Auto and recheck.
Does the display change to day and night modes when turning the headlights on and off?
YES - Intermittent failure. The system is OK at this time. Check for loose or poor connections.
NO - Go to step 4.
4. Go into the Diagnostic Menu and use the Car Status test to check for an ILL and ilium cancel signals.
Is the ILL signals OK?
YES - Go to step 5.
NO - Check the ILL+ circuit between the navigation unit and No. 4 (15 A) fuse in the under- hood fuse/relay box.
5. Check the ilium cancel signal.
Is the ilium cancel signal OK?
YES - The system is OK at this time.
NO - Substitute a known-good navigation unit, HVAC unit, and gauge unit, one at a time, in this order. Retest the system function after each unit substitution until the problem is resolved, then replace the malfunctioning unit.