Acura CSX. Manual — part 646
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*16
Navigation Unit Inputs and Outputs for Connector H (2P)
Navigation Unit Connector H (2P)
Terminal
Number
Wire Color
Terminal Name
Description
Voltage (about)
Symptom
23-295
1
GPS
GPS signal
(5 V in, GPS signal
out)
5 V
If open: GPS icon on screen is white, system links
screen ANT shows NG.
If short to ground: GPS icon on screen is white,
system links screen ANT shows NG.
2
GPS SH
Shield for terminal
No. 1
0 V
If open: GPS icon on screen is white, system links
screen ANT shows NG.
If short to ground: No effect on system.
Terminal side of female terminals
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+
−
+
+
−
+
−
+
+
−
+
−
+
+
−
+
−
23-296
Navigation System
Circuit Diagram
A10
A9
BRN
10
BRN
3
CABLE REEL
A5
A29
D1
CABLE REEL
GRN
RED/BLK
BACK
TALK
5
GRY
GPS
H1
H2
VSP
BLU
A15
PNK
BLU
NAVIGATION UNIT
HFL-VOICE CONTROL SWITCH
8
GRN
680
10 k
2.2 k
GPS
ANTENNA
No. 14 (7.5 A) FUSE
(In the under-dash
fuse/relay box)
DASH LIGHTS
BRIGHTNESS
CONTROLLER
AUDIO
REMOTE
GND
VSP
GPS
XM
RECEIVER
A3
BRN
K-LINE
MICU
A14
PUR
Q14
Q4
GRN
A4
A3
LT BLU
Q8
Q1
WHT
WHT
UNDER-DASH FUSE/RELAY BOX
A1
A13
A24
C1
C7
WHT
B
BACK UP
BACK
LT
B
BACK UP
SCTY
RADIO
ACC
RADIO
G2
RED
GRY
ILL
ILL
RED
ORN
ACC HOT in ACC (I)
and ON (II)
ACC
BAT
IGNITION
SWITCH
C2
WHT
BRN
No. 23
(10 A)
UNDER-HOOD FUSE/RELAY BOX
BATTERY
H1
D4
No. 2
(IG)
(50 A)
E15
No. 35
(7.5 A)
No.14 (7.5 A) FUSE
(In the under-dash
fuse/relay box)
DASH LIGHTS
BRIGHTNESS
CONTROLLER
GPS
SH
GA-NET
BUS
GA-NET
BUS
GA-NET
BUS SH
*: The shielded wires have a heat-shrunk tube
insulating the outside of the wire. The color
of the insulating tube, typically black or dark gray,
may not match the color of the wire listed on the
schematic.
: GA-NET
: Shielding
28
27
D9
RED
D7
D8
GRN
MIC
GND
MIC
SIG
MIC
SIG
MIC
GND
MIC
SH
MIC
MIC
2
1
GRY
BRN
YEL
14
13
12
MIC SH
MIC
MIC
GRY
B10
8
HFL/NAVI
COMM SH
GRY
GRY
B24
RED
7
21
20
GRN
B11
B23
BLK
HFL/NAVI
COMM1
HFL/NAVI
COMM2
HFL/NAVI
COMM3
B12
WHT
6
HFL/NAVI
COMM4
HFL
SWITCH
A10
A9
BRN
E3
E10
PNK
BLU
E9
USB
ADAPTER
UNIT
A3
BRN
GA-NET
BUS
GA-NET
BUS
GA-NET
BUS SH
GA-NET
BUS
GA-NET
BUS
GA-NET
BUS SH
PNK
BLU
A12
G504
G505
BLK
BLK
GND
RADIO
GND
HFL/NAVI
COMM1
HFL/NAVI
COMM2
HFL/NAVI
COMM3
HFL/NAVI
COMM4
HFL/NAVI
COMM SH
NAVI
GUIDE
No. 1 (BAT) (100 A)
ECM/PCM
(VEHICLE
SPEED SIGNAL)
YEL
AC
SI
RED
AC
SO
CLIMATE
CONTROL
UNIT
BLU
AC
CLK
D5
D6
D12
C4
ORN
MOONROOF
SWITCH
MIC
ADPT
HFL-NAVIGATION
MICROPHONE
3
*
*
*
*
*
*
*
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Start-up procedure and Diagnostic Menu
System Links
23-297
System Diagnostic Mode
Return
System Links
Help
Exit Diag
Return
Return
Navi.ECU
Select Diagnosis Items
Self- Diagnosis Mode
Detail Information & Setting
(Navi will check internal function. connections, etc.
Perform this test with vehicle stopped and engine running.)
(Individual Diagnostic screens to confirm
a specific diagnostic screen.)
XM
Error
History
Yaw
Sensor
Car Status
ECU Info.
Hard Key
DVD
Mic
HFL
Press any icon if you want to see details.
GPS Ant.
R. Camera
Display
Radio
A/C
Start the vehicle, and at the disclaimer screen use the
navigation display hard buttons as described below:
Make sure the battery is in good condition, then press
and hold the three buttons MAP/GUIDE, MENU, and
CANCEL, for about 3 seconds. The display screen goes
directly to the Select Diagnosis Items menu shown
below.
• Self-Diagnosis Mode (runs the automatic diagnosis of
the navigation system)
• Detail Information & Setting (allows you to manually
diagnose the navigation system)
1. By selecting Self-Diagnosis Mode from the
navigation screen main menu. The message at the
bottom of the screen flashes indicating the
diagnostic is running. Make sure you enter the
audio anti-theft code.
NOTE:
• The system cannot complete a full diagnosis
unless the engine is running.
• DTC 2703 can be stored when the ignition switch
is at ACCESSORY (I). With the ignition switch is
in ACCESSORY (I), the climate control unit is
turned off and the navigation unit loses
communication and stores DTCs. Therefore,
there is a possibility that the system is normal
even DTC 2703 is stored. Check system links with
the engine running, and if it shows normal, the
system is OK at this time.
2. Select the icon you want to diagnose. Push in the
select the icon to see the details of that diagnostic
function.
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Icon
Colors
Description
23-298
Navigation System
The System Links function runs automatically and
displays a flashing message at the bottom of the
screen reminding you to have the engine running
for the test. The diagnostic tests the following:
• Most of the wires connecting the navigation
components shown in the block diagram.
• The results from the various components shown
in the block diagram.
• The microphone is tested by listening to the bong
sound produced by the navigation unit from the
speakers when the diagnostic is started. This
requires that the audio system be operating
normally.
When the diagnostic finishes, the icons turn
different colors based on their test status. The color
definitions are shown below and can also be seen
by selecting Help on the System Links screen.
The indication on the screen may not change until
you exit and reenter the Self-Diagnosis mode. In
some cases, you may have to restart the engine for
the indication to change. After you repair the
affected component or harness, repeat this
diagnostic.
Explanation of each icon
Each icon color is explained in the table below.
Green
The system ran a diagnosis and
the results are OK.
Red
Errors that require replacement of
hardware or harness. Examples
are connection error or memory
diagnosis errors. Troubleshooting
for DTCs.
Yellow
Errors that doesn’t require
hardware replacement, such as an
open display cover, an incorrect
DVD, leaving the vehicle in
ACCESSORY (I), or because of a
missing accessory, like the
rearview camera.
White
The diagnosis is running. The
screen functions are locked out
while the diagnosis is runs.
Gray
The system cannot automatically
check this function. You have to
select the diagnosis item and
manually do additional testing,
like checking the navigation
buttons in the Hard Key test.
When you complete the Hard Key
test and return to the System
Links menu, the gray icon turns
green.
NOTE: By selecting the HELP icon, you can see a
description for each color.
08/08/21 14:16:38 61SNR030_230_0301
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