Acura CSX. Manual — part 599
08
Diagnostic System Diagram
23-111
This diagram below shows and over view of the navigation diagnostic features starting at the center and working
outward in layers. The diagram starts with Key on. From any of the navigation Map or Menu screens, press and
simultaneously hold the keys Menu, MAP/GUIDE, and Cancel.
Finally, the diagram shows the available diagnostic menu choices, starting at the bottom left, and moving clockwise.
In most cases, do not clear or change settings in any diagnostic screen unless instructed to do so in the explanation, or
by the factory. If the factory asks you to insert a PCMCIA memory card into the PC card Slot, then the features specified
on the diagram with PC card are available.
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*08
*09
Navigation System Connector Location
23-112
Navigation System
NAVIGATION UNIT
CONNECTOR B (22P)
NAVIGATION UNIT
CONNECTOR H (2P)
NAVIGATION UNIT
CONNECTOR A (17P)
NAVIGATION UNIT
CONNECTOR E (14P)
NAVIGATION UNIT
CONNECTOR D (5P)
NAVIGATION UNIT
CONNECTOR F (5P)
NAVIGATION UNIT
CONNECTOR C (12P)
NAVIGATION UNIT
CONNECTOR B (22P)
NAVIGATION UNIT
CONNECTOR A (17P)
NAVIGATION UNIT
CONNECTOR C (12P)
NAVIGATION UNIT
CONNECTOR E (14P)
NAVIGATION UNIT
CONNECTOR D (5P)
NAVIGATION UNIT
CONNECTOR F (5P)
NAVIGATION UNIT
CONNECTOR H (2P)
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Wire side of female terminals
Terminal side of female terminals
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*10
Navigation Unit Inputs and Outputs for Connector A (17P)
Navigation Unit Connector A (17P)
Terminal
Number
Wire Color
Terminal Name
Description
Voltage (about)
Symptom
23-113
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.
13
BLU
VSP
(Vehicle speed
pulse)
Vehicle speed
pulse signal from
ECM/PCM
Pulses 0
5 V:
Average 2.5 V,
when moving
If open: No vehicle speed pulses.
Diagnostic screen Car Status, VSP Navi = 0.
If short to ground: No vehicle speed pulses.
Diagnostic screen Car Status, VSP Navi = 0.
17
WHT
B
(
B power
source)
Continuous power
source
Battery voltage
If open: Screen completely off (no backlight visible).
If short to ground: Blows fuse No. 23 (10 A) in the
under-hood fuse/relay box.
Wire side of female terminals
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*11
Navigation Unit Inputs and Outputs for Connector C (12P)
Navigation Unit Connector C (12P)
Terminal
Number
Wire Color
Terminal Name
Description
Voltage (about)
Symptom
23-114
Navigation System
1
WHT
B BACK UP
Continuous power
source
Battery voltage
If open: Display picture goes out (display back light
still on). NOTE: System will reboot to enter code
screen.
If short to ground: Blows fuse No. 23 (10 A) in the
under-dash fuse/relay box.
4
BLK
GND
Ground for
navigation unit
0 V
If open: No effect on system.
If short to ground: No effect on system.
7
BRN
BACK LT
Reverse signal of
select laver from
Multiplex
integrated Control
unit (A/T) or
backup light switch
(M/T)
In reverse,
battery voltage:
Otherwise 0 V
If open: Navigation never sees the reverse signal
and back-up camera does not come on when in
reverse. Diagnostic screen Car Status, Back = 0.
If short to ground: Blows fuse No. 10 (7.5 A) in the
under-dash fuse/relay box.
Wire side of female terminals
08/08/21 14:06:30 61SNR030_230_0117
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