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Navigation Unit Inputs and Outputs for Connector A (24P)
Navigation Unit Connector A (24P) TerminalNumber Wire Color Terminal Name Description Voltage (about) Symptom
23-291
1 RED ILL ( )
Ground for
illumination light With full dash
lights brightness,
0VIf open: When brightness = Auto, night mode for the
display is inoperative when lights on.
If short to ground: No change to display.
12 BLK RADIO GND (Ground)Ground for display
unit 0 V
If open: No change to display.
If short to ground: No change to display.
13 GRY ILL ( ) (Illumination
positive)Parking light on
signal from dash
and console lights Light on =
battery voltage,
Lights off = 0 VIf 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.
15 BLU VSP (Vehicle speed
pulse)Vehicle speed
pulse signal from
ECM/PCM Pulses 0 5 V:
Average 2.5 V,
when movingIf 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.
24 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.
(cont’d)
Wire side of female terminals
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Navigation Unit Inputs and Outputs for Connector B (24P)
Navigation Unit Connector B (24P) TerminalNumber Wire Color Terminal Name Description Voltage
(about)Symptom
23-292Navigation System
System Description (cont’d)
10 GRY HFL/NAVI COMM SH
(Shield HFL) Shield for terminal
No. 11, 12, 23, 24
11 GRN HFL/NAVI COMM2 (HFL communication 2) Communication
signal for HFL HFL icon in Navi System Link changes
between red and green
12 WHT HFL/NAVI COMM4 (HFL communication 4) Communication
signal for HFL Solid red HFL icon in Navi System Link
23 BLK HFL/NAVI COMM1 (HFL communication 1) Communication
signal for HFL HFL icon in Navi System Link changes
between red and green
24 RED HFL/NAVI COMM3 (HFL communication 3) Communication
signal for HFL Solid red HFL icon in Navi System Link
: 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.
Wire side of female terminals
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Navigation Unit Inputs and Outputs for Connector C (8P)
Navigation Unit Connector C (8P)TerminalNumber Wire Color Terminal Name Description Voltage (about) Symptom
23-293
1 WHT B BACK UP Continuous power
sourceBattery 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 unit0 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:
Otherwise0V
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.
(cont’d)
Wire side of female terminals
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Navigation Unit Inputs and Outputs for Connector D (12P)
Navigation Unit Connector D (12P) TerminalNumber Wire Color Terminal Name Description Voltage (about) Symptom
23-294Navigation System
System Description (cont’d)
1 GRN NAVI GUIDE Steering wheel
switch output45V
(navigation TALK
button pressed)
2.5 3 V
(navigation
BACK button
pressed)If open: Steering wheel navigation TALK, and
navigation BACK switch/buttons do not work.
If short to ground: Steering wheel navigation TALK,
and navigation BACK switch/buttons do not work.
5 YEL AC SI A/C input signal 0-battery voltage pulsesIf open: voice control does not work.
If short to ground: Voice control does not work.
6 RED AC SO A/C output signal 0-battery voltage pulsesIf open: A/C voice control does not work.
If short to ground: A/C voice control does not work.
7 BRN MIC GND Ground for microphone signal0 V If open: No microphone signal shown in
diagnostics: Navi System Link and Functional Set
up Mic Level.
If short to ground: No effect on voice recognition.
8 YEL MIC SIG Microphone output signal positive45V(with
navigation TALK
button pressed)If open: No microphone signal shown in diagnostic
screens: Navi System Link and Functional Setup
Mic Level.
If short to ground: No microphone signal shown in
diagnostic screens: Navi System Link and
Functional Setup Mic Level.
9 GRY MIC SHIELD Shield for terminal No.7,80 V If open: No effect on voice recognition.
If short to ground: No effect on voice recognition.
12 BLU AC CK Time set sync signal0-battery voltage
pulsesIf open: A/C voice control does not work.
If short to ground: A/C voice control does not work.
: 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.
Wire side of female terminals
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Navigation Unit Inputs and Outputs for Connector H (2P)
Navigation Unit Connector H (2P)TerminalNumber Wire Color Terminal Name Description Voltage (about) Symptom
23-295
1
GPSGPS 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 SHShield 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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23-296Navigation System
Circuit Diagram
A10 A9
BRN10
BRN
3 CABLE REEL
A5 A29
D1 CABLE REEL GRN
RED/BLK
BACKTALK
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 A3BRN K-LINE
MICU
A14
PUR
Q14 Q4
GRNA4
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(7.5A)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
21
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
BRNE3
E10
PNK BLU E9
USB
ADAPTER
UNIT A3BRN
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
GNDHFL/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
BLUAC
CLK
D5
D6
D12
C4 ORN
MOONROOF
SWITCH MIC
ADPTHFL-NAVIGATION
MICROPHONE
3
* *
*
**
*
*
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Start-up procedure and Diagnostic Menu System Links
23-297
System Diagnostic Mode
Return System LinksHelp
Exit Diag
ReturnReturn
Navi.ECUSelect 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 confirma 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.
(cont’d)
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Icon
Colors Description
23-298Navigation System
System Diagnostic Mode (cont’d)
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.
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