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Display day/night mode does not work or
does not work properly System locks up or freezes constantly
YES
NO
YES
NO YES
NO
23-34823-348Navigation System
Symptom Troubleshooting (cont’d)
NOTE:
Check the vehicle battery condition first.
Check the connectors for poor connection or loose terminals.
Before troubleshooting, get the navigation system anti-theft code.
After troubleshooting, enter the navigation system anti-theft code.
Full brightness on the instrument panel brightness control with the head lights turned on causes the
system to stay in the day mode, even when the lights
are on.
1. 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.
2. Change the day/night mode under Set-up to AUTO, and recheck.
The system is OK at this time.
Go to step 3.
3. Go into the Diagnostic Menu and use the Car Status test to check for an ILL signal (see page 23-315).
Replace the navigation unit (see page 23-355).
Check the ILL circuit between the
navigation unit and the No. 14 (7.5 A) fuse in the
under-dash fuse/relay box. NOTE:
Check the vehicle battery condition first.
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.
1. Start the engine, and turn the ignition switch to LOCK (0), then turn the ignition switch to ON (II).
The system is OK at this time.
Check the DVD for scratches or damage, and
the navigation unit for water damage. If OK, go into
the Diagnostic Menu, and do all of the Unit Check
tests (see page 23-305). Also check for low battery
charge or poor charging system performance.
Does t he d i spl ay change t o d ay and ni ght mod es w hen t ur ni ng t he head l i ght s on and of f ?
I s t he I LL si gnal OK ? Does the system reboot?
08/08/21 14:17:52 61SNR030_230_0351
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