Number Color
Name
(about)
1
RED ILL (-)
Ground for
illumination
light
With full
dash lights
brightness, 0
V
If open: When
brightness =
Auto, night
mode for the
display is
inoperative
when lights on.
If short to
ground: No
change to
display
9
BLK
RADIO GND
(Ground)
Ground for
display unit
0 V
If open: No
change to
display.
If short to
ground: No
change to
display.
10
GRY
ILL (+)
(Illumination
positive)
Parking light
on signal from
dash and
console lights
Light on =
battery
voltage,
Lights off =
0 V
If open: When
brightness =
Auto, night
mode for the
display is
inoperative
when lights on
If short to
ground: Blows
fuse No. 14 (7 5
A) in under-dash
fuse/relay box.
If open: No
vehicle speed
pulses.
Diagnostic
2008 Honda Civic EX
2006-08 ACCESSORIES & EQUIPMENT Navigation System - Civic (Except Hybrid)