Honda ACCORD HYBRID 2005 Service Manual page 2096

Navigation System
S y m p t o m T r o u b l e s h o o t i n g ( c o n t ' d )
4. Turn the ignition switch OFF.
5. Substitute a known-good display unit (see page
23-71), and recheck.
Is the picture OK ?
YES—Replace the original display u n i t . B
NO—Replace the navigation unit (see page 23-145).
Display unit buttons or touch screen buttons
do not work or respond properly
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.
1. Turn the ignition switch to ACC (I).
2. Go into the Diagnostic m o d e and use the " T o u c h
Panel" test under M o n i t o r Check (see page 23-111)
and, if necessary, the " D i s p l a y " test under Unit
Check (see page 23-113).
Do the buttons work properly?
Y E S — S y s t e m is O K . B
N O — G o t o step 3.
3. Try all the buttons on the navigation system.
Is there a specific row or columns of buttons, set
of buttons, or a certain button that does not
respond properly (i.e., pressing a button in the
lower left corner causes a button in the right lower
corner to respond.)?
YES—Replace the display unit (see page 23-71). •
NO—Go to step 4.
4. Turn the ignition switch OFF.
5. Remove the audio-HVAC display module (see page
23-69).
6. Disconnect display unit connector B (20P) (see page
23-103).
7. Turn the ignition switch to ACC(I).
23-130