Honda ACCORD HYBRID 2005 Service Manual page 2094

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 )
Picture is missing a color or tone
NOTE:
• A l w a y s check the connectors for poor connections or
loose terminals.
• Before troubleshooting, get the navigation system
anti-theft codes.
• After troubleshooting, enter the navigation system
anti-theft codes.
1. Go into the Diagnostic M e n u and use "RGB C o l o r "
test under Monitor Check (see page 23-111).
Are the red, green, and blue colored circles
shown?
Y E S — T h e system is OK at this t i m e . •
NO—Go to step 2.
2. Turn the ignition switch to OFF.
3. Remove the navigation unit (see page 23-145)
4. Disconnect the navigation unit connector A (20P)
and display unit 20P connector.
5. Check for loose terminals at navigation unit
connector A (20P) and display unit 20P connector.
Are there loose terminals?
Y E S — R e p a i r the t e r m i n a l . •
N O — G o t o step 6.
6. Check for continuity between the appropriate
terminals of navigation unit connector A (20P) to
display unit connector B (20P) based on the missing
color(s).
Missing
Navigation Display unit Wire
color unit connector B color
connector A
(20P)
(20P)
Blue A11 B18 YEL
Green A2
B9 RED
Red A1 B8 WHT
NAVIGATION UNIT C O N N E C T O R A (20P)
W i r e side of f e m a l e t e r m i n a l s
R SIG (WHT) G SIG (RED)
1 2
3
/
5 8
9 10
11 12 13
/ /
18
/
20
B SIG (YEL)
1 2 5
/
8
9 10
/ /
14 15 17 18 19 20
DISPLAY UNIT C O N N E C T O R B (20P)
W i r e side of f e m a l e t e r m i n a l s
Is there continuity?
Y E S — G o t o step 7.
NO—There is an open in the circuit between the
display unit and the navigation unit. Check for poor
connections or loose terminals at the display and
navigation units. If a poor connection or loose
terminal is f o u n d , replace the affected shielded
h a r n e s s . •
23-128