Nissan Murano Z50 (2003 year). Manual — part 23
NAVIGATION SYSTEM
AV-161
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Revision; 2004 April
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Wiring Diagram — COMM —
AKS004RB
TKWA0843E
AV-162
NAVIGATION SYSTEM
Revision; 2004 April
2003 Murano
TKWA0844E
NAVIGATION SYSTEM
AV-163
C
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AV
Revision; 2004 April
2003 Murano
TKWA0845E
AV-164
NAVIGATION SYSTEM
Revision; 2004 April
2003 Murano
Terminals and Reference Value for NAVI Control unit
AKS004RC
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Igni-
tion
switch
Operation
1 (B)
Ground
Ground
–
ON
–
Approx. 0 V
–
2 (Y)
Ground
Battery
power supply
Input
OFF
–
Battery voltage
System does not
work properly.
3 (Y)
4 (B)
Ground
Ground
–
ON
–
Approx. 0 V
–
6 (P/B)
Ground
ACC power
supply
Input
ACC
–
Battery voltage
System does not
work properly.
7 (V)
8 (L/G)
Voice guide
signal
Output
ON
Press the “GUIDE/
VOICE”button.
Only route guide
and operation
guide are not
heard.
9
Ground
Shield
–
ON
–
Approx. 0V
–
14
Ground
Shield
–
ON
–
Approx. 0V
–
15 (BR)
17
RGB signal
(B: blue)
Output
ON
Select “Display
Diagnosis (NAVI)” of
CONFIRMATION/
ADJUSTMENT
function.
RGB screen
looks yellowish.
16 (P/L)
14
RGB syn-
chronizing
signal
Output
ON
Press the “MAP”
button.
RGB screen is
rolling.
17
Ground
Shield
–
ON
–
Approx. 0V
–
18 (BR/Y)
17
RGB signal
(R: red)
Output
ON
Select “Display
Diagnosis (NAVI)” of
CONFIRMATION/
ADJUSTMENT
function.
RGB screen
looks bluish.
21 (BR/W)
17
RGB signal
(G: green)
Output
ON
Select “Display
Diagnosis (NAVI)” of
CONFIRMATION/
ADJUSTMENT
function.
RGB screen
looks reddish.
SKIA0171J
SKIA4979E
SKIA0164E
SKIA4977E
SKIA4978E
NAVIGATION SYSTEM
AV-165
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25 (R/L)
Ground
Illumination
signal
Input
OFF
Lighting switch posi-
tion 1st or 2nd
Approx. 12V
Night illumina-
tion for switches
does not illmi-
nate.
Lighting switch posi-
tion OFF
Approx. 0V
26 (G)
Ground
Ignition signal
Input
ON
–
Battery voltage
System does not
work properly.
27 (G/W)
Ground
Reverse
signal
Input
ON
Selector lever in R
position
Approx. 12V
The navigation
current-location
mark moves
strangely when
the vehicle is
moving back-
wards.
Selector lever not in
R position
Approx. 0V
28 (V/W)
Ground
Vehicle
speed signal
(8-pulse)
Input
ON
When vehicle speed
is approx. 40 km/h
(25 MPH)
Navigation cur-
rent-location
mark does not
indicate the cor-
rect position.
43
Ground
Shield
–
ON
–
Approx. 0V
–
44 (O)
Ground
Communica-
tion signal (+)
Input/
output
ON
–
System does not
work properly.
45 (B/P)
Ground
Communica-
tion signal (–)
Input/
output
ON
–
System does not
work properly.
66
67
GPS signal
Input
ON
Connector is not
connected.
Approx. 5 V
Navigation sys-
tem GPS correc-
tion is not
possible.
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Igni-
tion
switch
Operation
PKIA1935E
SKIA0175E
SKIA0176E
AV-166
NAVIGATION SYSTEM
Revision; 2004 April
2003 Murano
Terminals and Reference Value for Display Control unit
AKS004YU
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Igni-
tion
switch
Operation
1 (Y)
Ground
Battery
Power supply
Input
OFF
–
Battery voltage
System does not
work properly.
2 (L/W)
Ground
Power Sup-
ply (Inverter)
Output
ON
–
Approx. 9 V
Screen is not
shown
3 (B)
Ground
Ground
–
ON
–
Approx. 0 V
–
4 (L/Y)
Ground
Power Sup-
ply (Signal)
Output
ON
–
Approx. 9 V
Screen is not
shown
5 (P)
Ground
(Inverter)
Ground
–
ON
–
Approx. 0 V
–
6 (G/W)
Ground
Reverse
signal
Input
ON
Selector lever in R
position
Approx. 12V
Impossible to
gain direction of
vehicle.
Selector lever not in
R position
Approx. 0 V
7 (P/L)
Ground
(Signal)
Ground
–
ON
–
Approx. 0 V
–
10 (P/B)
Ground
ACC power
supply
Input
ACC
–
Battery voltage
System does not
work properly.
12 (G)
Ground
Ignition signal
Input
ON
–
Battery voltage
A/C operation is
not possible.
Vehicle informa-
tion setting is not
possible.
14 (R/L)
Ground
Illumination
signal
Input
OFF
Lighting switch posi-
tion 1st or 2nd
Approx. 12V
Screen does not
switch between
daytimemode
and night-time
mode.
Lighting switch posi-
tion OFF
Approx. 0 V
16 (V/W)
Ground
Vehicle
speed signal
(8–pulse)
Input
ON
When vehicle speed
is approx. 40 km/h
(25 MPH)
Value of vehicle
information is
not accurately
displayed.
25 (L)
–
CAN H
–
–
–
–
–
26 (Y)
–
CAN L
–
–
–
–
–
28 (L/G)
Ground
Communica-
tion signal (+)
Input/
Output
ON
–
System does not
work properly.
29
Ground
Shield
–
ON
–
Approx. 0V
–
PKIA1935E
SKIA0175E
NAVIGATION SYSTEM
AV-167
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Revision; 2004 April
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30 (L/R)
Ground
Communica-
tion signal (–)
Input/
output
ON
–
System does not
work properly.
32 (O)
Ground
Communica-
tion signal (+)
Input/
output
ON
–
System does not
work properly.
33
Ground
Shield
–
ON
–
Approx. 0V
–
34 (B/P)
Ground
Communica-
tion signal (–)
Input/
output
ON
–
System does not
work properly.
36 (O/L)
37
Display Com-
munication
signal
(DCU-DSP)
Output
ON
Press the “TRIP”
button.
Though a screen
is displayed, it is
impossible to
adjust bright-
ness.
37
Ground
Shield
–
ON
–
Approx. 0V
–
38 (W/L)
Ground
Display Com-
munication
signal
(DSP-DCU)
Input
ON
Press the “TRIP”
button.
Though a screen
is displayed, it is
impossible to
adjust bright-
ness.
39
Ground
Shield
–
ON
–
Approx. 0V
–
40 (R/G)
Ground
Audio TX
Communica-
tion signal
Output
ON
Operate audio
volume.
Audio dose not
operate properly.
41
Ground
Shield
–
ON
–
Approx. 0V
–
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Igni-
tion
switch
Operation
SKIA0176E
SKIA0175E
SKIA0176E
SKIA4364E
SKIA4363E
SKIA4402E
AV-168
NAVIGATION SYSTEM
Revision; 2004 April
2003 Murano
42 (R/Y)
Ground
Audio RX
communica-
tion signal
Input
ON
Operate audio
volume.
Audio dose not
operate properly.
43 (P/L)
41
RGB syn-
chronizing
signal
Input
ON
Press the “MAP”
button.
RGB screen is
rolling.
44 (BR/Y)
45
RGB signal
(R: red)
Input
ON
Select “Display
Diagnosis (NAVI)” of
CONFIRMATION/
ADJUSTMENT
function.
RGB screen
looks bluish.
45
Ground
Shield
–
ON
–
Approx. 0V
–
46 (BR/W)
45
RGB signal
(G: green)
Input
ON
Select “Display
Diagnosis (NAVI)” of
CONFIRMATION/
ADJUSTMENT
function.
RGB screen
looks reddish.
47
Ground
Shield
–
ON
–
Approx. 0V
–
48 (BR)
45
RGB signal
(B: blue)
Input
ON
Select “Display
Diagnosis (NAVI)” of
CONFIRMATION/
ADJUSTMENT
function.
RGB screen
looks yellowish.
49
Ground
Shield
–
ON
–
Approx. 0V
–
50 (G/Y)
47
RGB signal
(R: red)
Output
ON
Select “Display
Diagnosis (DCU)” of
CONFIRMATION/
ADJUSTMENT
function.
RGB screen
looks bluish.
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Igni-
tion
switch
Operation
SKIA4403E
SKIA0164E
SKIA4977E
SKIA4978E
SKIA4979E
SKIA4980E
NAVIGATION SYSTEM
AV-169
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Revision; 2004 April
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51 (B)
49
RGB area
(YS) signal
Output
ON
Press the“TRIP”
button.
RGB screen is
not shown.
52 (G/R)
47
RGB signal
(G: green)
Output
ON
Select “Display
Diagnosis (DCU)” of
CONFIRMATION/
ADJUSTMENT
function.
RGB screen
looks reddish.
54 (G/O)
47
RGB signal
(B: blue)
Output
ON
Select “Display
Diagnosis (DCU)” of
CONFIRMATION/
ADJUSTMENT
function.
RGB screen
looks yellowish.
55 (R)
49
Horizontal
synchroniz-
ing (HP) sig-
nal
Input
ON
–
RGB screen is
not shown.
56 (G)
49
RGB syn-
chronizing
signal
Output
ON
Press the “TRIP”
button.
RGB screen is
rolling.
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Igni-
tion
switch
Operation
SKIA0162E
SKIA4981E
SKIA4982E
SKIA4983E
SKIA0164E
AV-170
NAVIGATION SYSTEM
Revision; 2004 April
2003 Murano
Terminals and Reference Value for Display
AKS004YV
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Igni-
tion
switch
Operation
1 (B)
Ground
Ground
–
ON
–
Approx. 0 V
–
2 (L/W)
Ground
Power sup-
ply (Inverter)
Input
ON
–
Approx. 9 V
Screen is not
shown.
3 (L/Y)
Ground
Power sup-
ply (Signal)
Input
ON
–
Approx. 9 V
Screen is not
shown.
6 (G/R)
7
RGB signal
(G: green)
Input
ON
Select “Display
Diagnosis (DCU)” of
CONFIRMATION/
ADJUSTMENT
function.
RGB screen
looks reddish.
7
Ground
Shield
–
ON
–
Approx. 0V
–
8 (R)
21
Horizontal
synchroniz-
ing (HP) sig-
nal
Output
ON
–
RGB screen is
not shown.
9 (B)
21
RGB area
(YS) signal
Input
ON
Press the “TRIP”
button.
RGB screen is
not shown.
11 (O/L)
23
Display com-
munication
signal
(DCU-DSP)
Input
ON
–
Though a screen
is displayed, it is
impossible to
adjust bright-
ness.
13 (P)
Ground
(Inverter)
Ground
–
ON
–
Approx. 0 V
–
14 (P/L)
Ground
(Signal)
Ground
–
ON
–
Approx. 0 V
–
17 (G/Y)
7
RGB signal
(R: red)
Input
ON
Select “Display
Diagnosis (DCU)” of
CONFIRMATION/
ADJUSTMENT
function.
RGB screen
looks bluish.
SKIA4981E
SKIA4983E
SKIA0162E
SKIA4364E
SKIA4980E
NAVIGATION SYSTEM
AV-171
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Revision; 2004 April
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18(G/O)
7
RGB signal
(B: blue)
Input
ON
Select “Display
Diagnosis (DCU)” of
CONFIRMATION/
ADJUSTMENT
function.
RGB screen
looks yellowish.
19 (G)
21
RGB syn-
chronizing
signal
Input
ON
Press the “TRIP”
button.
RGB screen is
rolling.
21
Ground
Shield –
ON
–
Approx.
0V
–
22 (W/L)
Ground
Display com-
munication
signal
(DSP-DCU)
Output
ON
–
Though a screen
is displayed, it is
impossible to
adjust bright-
ness.
23
Ground
Shield
–
ON
–
Approx. 0V
–
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Igni-
tion
switch
Operation
SKIA4982E
SKIA0164E
SKIA4363E
AV-172
NAVIGATION SYSTEM
Revision; 2004 April
2003 Murano
Terminals and Reference Value for A/C and AV Switch
AKS005LS
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Igni-
tion
switch
Operation
1 (Y)
Ground
Battery
power supply
Input
OFF
–
Battery voltage
System does not
work properly.
2 (P/B)
Ground
ACC power
supply
Input
ACC
–
Battery voltage
System does not
work properly.
3 (R/L)
Ground
Illumination
signal
Input
OFF
Lighting switch is
ON (position 1).
Approx. 12V
A/C and AV
switch illumina-
tion does not
come on when
lighting switch is
ON (position 1).
Turn lighting switch
OFF.
Approx. 0V
4 (R/W)
Ground
Illumination
ground
Output
ON
–
Approx. 0V
A/C and AV
switch illumina-
tion does not
come on when
lighting switch is
ON (position 1).
5 (B)
Ground
Ground
–
ON
–
Approx. 0V
–
6 (L/G)
Ground
Communica-
tion signal (+)
Input/
output
ON
–
System does not
work properly.
7
Ground
Shield
–
ON
–
Approx. 0V
–
8 (L/R)
Ground
Communica-
tion signal (–)
Input/
output
ON
–
System does not
work properly.
12 (R)
Ground
Remote con-
trol A
Input
ON
Press MODE switch
Approx. 0 V
Steering wheel
audio controls
do not function
Press SEEK UP
switch
Approx. 0.75 V
Press VOL UP
switch
Approx. 2 V
Except for above
Approx. 5 V
13 (G)
Ground
Remote con-
trol B
Input
ON
Press POWER
switch
Approx. 0 V
Steering wheel
audio controls
do not function
Press SEEK DOWN
switch
Approx. 0.75 V
Press VOL DOWN
switch
Approx. 2 V
Except for above
Approx. 5 V
14 (B/W)
Ground
Remote con-
trol ground
–
ON
–
Approx. 0V
Steering wheel
audio controls
do not function.
SKIA0175E
SKIA0176E
NAVIGATION SYSTEM
AV-173
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Revision; 2004 April
2003 Murano
On Board Self-Diagnosis Function
AKS004RD
DESCRIPTION
●
Diagnosis function consists of the self-diagnosis mode performed automatically and the CONFIRMATION/
ADJUSTMENT mode operated manually.
●
Self-diagnosis mode checks for connections between the units constituting this system, analyzes each
individual unit at the same time, and displays the results on the LCD screen.
●
CONFIRMATION/ADJUSTMENT mode is used to perform trouble diagnosis that require operation and
judgment by an operator (trouble that cannot be automatically judged by the system), to check/change the
set value, and to display the History of Errors of the navigation system.
DIAGNOSIS ITEM
NOTE:
Make the status that is set by D/N function be shown.
Mode
Description
Self-diagnosis (DCU)
Display control unit diagnosis
Self-diagnosis (NAVI)
●
NAVI Control unit diagnosis (DVD-ROM drive will not be diagnosed
when no map DVD-ROM is in it)
●
Analyzes connection between the NAVI control unit and the GPS
antenna connection between the NAVI control unit and each unit, and
operation of each unit.
CONFIRMATION/
ADJUSTMENT
Display diagnosis
On display control unit mode, color tone and shading of the screen can be
checked by the display of a color bar and a gray scale.
Vehicle signals
On display control unit mode, analyzes the following vehicle signals: Vehi-
cle speed signal, light signal
NOTE
, ignition switch signal, and reverse sig-
nal.
Auto Climate Control
A/C self-diagnosis of A/C system.
Navigation
Display diagnosis
On NAVI C/U mode, color tone and shading of the screen can be checked
by the display of a color bar and a gray scale.
Vehicle signals
On NAVI C/U mode, analyzes the following vehicle signals: Vehicle speed
signal, light signal, ignition switch signal, and reverse signal.
History of Errors
Diagnosis results previously stored in the memory (before turning ignition
switch ON) are displayed in this mode. Time and location when/where the
errors occurred are also displayed.
Naviga-
tion
Display Lon-
gitude & Lat-
itude
Display the map. Use the joystick to adjust position. Longitude and latitude
will be displayed.
Speed Cali-
bration
Under ordinary conditions, the navigation system distance measuring
function will automatically compensate for minute decreases in wheel and
tire diameter caused by tire wear or low -pressure. Speed calibration
immediately restores system accuracy in cases such as when distance
calibration is needed because of the use of tire chains in inclement
weather.
Angle
adjustment
Corrects difference between actual turning angle of a vehicle and turning
angle of the car mark on the display.
Initialize
Location
This mode is for initializing the current location. Use when the vehicle is
transported a long distance on a trailer, etc.
CAN DIAG SUPPORT MONITOR
Display status of CAN communication.
AV-174
NAVIGATION SYSTEM
Revision; 2004 April
2003 Murano
Self-Diagnosis Mode (DCU)
AKS004RE
OPERATION PROCEDURE
1.
Start the engine.
2.
Turn the audio system off.
3.
While pressing the “PAUSE/MUTE” button, turn the volume con-
trol dial clockwise or counterclockwise for 30 clicks or more.
(When the self-diagnosis mode is started, a short beep will be
heard.)
●
Shifting from current screen to previous screen is performed
by pressing “PREV” button.
4.
The initial trouble diagnosis screen will be shown, and items
“Self-Diagnosis (DCU)”,“Self-Diagnosis (NAVI)”,“Confirmation/
Adjustment” and “CAN DIAG SUPPORT MONITOR” will
become selective.
5.
Perform self-diagnosis by selecting the “Self-diagnosis”.
●
Self-diagnosis subdivision screen will be shown and the oper-
ation enters the self-diagnosis mode.
●
A bar graph shown below the self-diagnosis subdivision
screen indicates progress of the diagnosis.
6.
When the self-diagnosis completes, optional part confirmation
screen will be shown.
●
When connection of an optional part is judged error, a screen
to check if the optional part is actually fitted on the vehicle or
not will be shown. When fitted, select the switch of the part on
the screen and press “End”. Then the “SELF DIAGNOSIS”
screen will be shown.
●
When the optional part is connected normally, the switch for
the part will not appear on the screen.
SKIA4206E
SKIA4207E
SKIA4208E
SKIA4209E
NAVIGATION SYSTEM
AV-175
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Revision; 2004 April
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7.
On the “SELF DIAGNOSIS” screen, each unit name will be col-
ored according to the diagnosis result, as follows.
●
If several malfunctions are present in a unit, color of its switch
on the screen will be either red, yellow, or gray, determined by
the malfunction of the highest priority.
8.
Select a switch on the “SELF DIAGNOSIS” screen and com-
ments for the diagnosis results will be shown.
●
When the switch is green, the following comment will be
shown. “Self-diagnosis was successful. Further diagnosis and
adjustments are recommended. Follow the “confirmation/
adjustments” menu or refer to the service manual.”.
●
When the switch is yellow, the following comment will be
shown. “Connection to the following unit is abnormal. See the
service manual for further details”.
●
When the switch is red, the following comment will be shown.
“DCU is abnormal”.
SELF–DIAGNOSIS RESULT
Quick Reference Table
1.
Select an malfunctioning diagnosis No. in the diagnosis result quick reference table.
2.
Find estimated malfunctioning system in the diagnosis No. table and perform check by referring to
161, "Wiring Diagram — COMM —"
.
3.
Turn the ignition switch OFF and perform self-diagnosis again.
*: DCU = Display control unit
CAUTION:
●
When A/C and AV switch has a malfunction, you cannot start.
●
When display has a malfunction, you cannot start.
●
Check the following when the self-diagnosis mode cannot be used.
–
AV communication line between display control unit and A/C and AV switch. Refer to
Communication Line Check (Between Display Control Unit and A/C and AV Switch)"
–
A/C and AV switch power supply and ground circuit. Refer to
AV-192, "Power Supply and Ground
Circuit Check for A/C and AV Switch"
–
Display communication line between display control unit and display . Refer to
Communication Line Check (Between Display Control Unit and Display)"
–
Display power supply and ground circuit. Refer to
AV-190, "Power Supply and Ground Circuit
.
Green
: No malfunctioning.
Yellow
: Cannot be judged by self-diagnosis results.
Red
: Unit is malfunctioning.
SKIA4210E
SKIA4211E
Screen switch
Diagnosis
No.
Switch color
DCU*
Audio unit
Navigation
GPS
antenna
Red
×
1
Yellow
×
×
2
×
×
×
3
AV-176
NAVIGATION SYSTEM
Revision; 2004 April
2003 Murano
Self-Diagnosis Codes
Self-Diagnosis Mode (NAVI)
AKS005R4
OPERATION PROCEDURE
1.
Start the engine.
2.
Turn the audio system off.
3.
While pressing the “PAUSE/MUTE” button, turn the volume con-
trol dial clockwise or counterclockwise for 30 clicks or more.
(When the self-diagnosis mode is started, a short beep will be
heard.)
●
Shifting from current screen to previous screen is performed
by pressing “PREV” button.
4.
The initial trouble diagnosis screen will be shown, and items
“Self-Diagnosis (DCU)”,“Self-Diagnosis (NAVI)”,“Confirmation/
Adjustment” and “CAN DIAG SUPPORT MONITOR” will
become selective.
5.
Perform self-diagnosis by selecting the “Self-diagnosis (NAVI)”.
●
Self-diagnosis subdivision screen will be shown and the oper-
ation enters the self-diagnosis mode.
●
A bar graph shown below the self-diagnosis subdivision
screen indicates progress of the diagnosis.
Diagnosis
No.
Possible cause
Reference
page
1
Display control unit malfunction
Refer to
2
Audio unit power supply and ground circuit.
Audio communication line between display control unit and audio unit.
Refer to
3
NAVI control unit power supply and ground circuit
AV communication line between display control unit and NAVI control unit.
Refer to
SKIA4206E
SKIA4207E
SKIA4212E
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