Honda ACCORD HYBRID 2005 Service Manual page 2105

Display day/night mode does not work
NOTE:
• A l w a y s check the connectors for poor connections or
loose terminals.
• Before t r o u b l e s h o o t i n g , get the navigation system
anti-theft codes.
• After t r o u b l e s h o o t i n g , enter the navigation system
anti-theft codes.
• Full brightness on the instrument panel brightness
control causes the system to stay in the day m o d e ,
even w h e n the lights are on.
1. Make sure the set/reset knob is not on full
brightness.
2. Change the day/night mode to A U T O under Set-up
and recheck.
Does the display change to day and night modes
using the headlights?
YES—The system is OK at this t i m e . B
N O — G o t o step 3.
3. Go into the Diagnostic Menu and use the "Car
S t a t u s " test to check for an ILL signal (see page
23-115).
Is'ILL" signal OK?
YES—The system is O K . B
NO—Check the I L L + circuit between the
navigation unit and relay m o d u l e (see page 23-95). B
System locks up constantly
1. Start the engine and t u r n the ignition switch OFF,
then t u r n the ignition switch ON (II).
Does the system reboot?
YES—The system is OK at this t i m e . B
NO—Check the DVD for scratches or damage and
the navigation unit for water d a m a g e . If OK, go into
the Diagnostic Menu and do all of the " U n i t Check"
tests (see page 23-113). B
23-139