Honda Accord 2008 Manual page 2669

07/11/02 10:05:48 61TA0000_230_0225
Navigation System
Symptom Troubleshooting (cont'd)
3. Go into the Detail Information & Settings select
Monitor Check, and use RGB Color diagnostic
under Monitor Check (see page 23-176).
Is the picture missing a red, green or blue color?
YES − Do troubleshooting for the picture is missing
a color or tone or is an odd color (see page 23-221).
NO − Go to step 4.
4. Turn the ignition switch to LOCK (0).
5. Substitute a known-good navigation display unit
(see page 23-241), and recheck.
Is the picture OK ?
YES − Check for loose connections, then replace the
original navigation display unit (see page 23-241).
NO − Check for loose connections and recheck. If a
poor connection or loose terminal is found, replace
the shielded harness. If no poor or loose terminals
are found, substitute a known-good navigation unit
(see page 23-240) and recheck. If the problem is
gone, replace the original navigation unit (see page
23-240).
23-224 23-224
Interface dial buttons do not work
NOTE:
• Confirm the correct DVD color and version disc is
installed in the navigation unit (see page 23-130) as
the wrong DVD or software version can cause a
hardware malfunction.
• Check the connectors for poor connections or loose
terminals.
• Make sure that the correct DVD color and version are
installed.
• Inspect the DVD for dirt or damage.
• Check any official Honda service website for more
service information about the navigation system.
• Before troubleshooting, make sure you have anti-
theft codes for the audio system and the navigation
system.
• After troubleshooting, enter the anti-theft codes for
the audio system and the navigation system.
• Check the vehicle battery condition first.
1. Start the vehicle.
2. Go into the Detail Information & Settings select
Unit Check, and use Hard Key test under Unit Check
(see page 23-178).
Does the interf ace dial buttons work properly?
YES − The system is OK at this time.
NO − Go to step 3.
3. Measure the voltage between the interface dial 5P
connector terminal No. 4 and body ground.
INTERFACE DIAL 5P CONNECTOR
Wire side of female terminals
Is there battery voltage?
−
YES Go to step 4.
NO − Repair open in the wire between the driver's
under-dash fuse/relay box and the interface dial.
ＴＡ０８ＡＮ１Ｊ３６１００００００００ＦＡＡＴ１９
ACC (PUR)
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