Nissan Murano Z50 (2005 year). Manual — part 17
INTEGRATED DISPLAY SYSTEM
AV-79
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AV
Revision: 2005 August
2005 Murano
Schematic
AKS004YZ
TKWB0514E
AV-80
INTEGRATED DISPLAY SYSTEM
Revision: 2005 August
2005 Murano
Wiring Diagram — INF/D —
AKS004Z0
TKWB0515E
INTEGRATED DISPLAY SYSTEM
AV-81
C
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A
B
AV
Revision: 2005 August
2005 Murano
TKWA0839E
AV-82
INTEGRATED DISPLAY SYSTEM
Revision: 2005 August
2005 Murano
TKWA1056E
INTEGRATED DISPLAY SYSTEM
AV-83
C
D
E
F
G
H
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J
L
M
A
B
AV
Revision: 2005 August
2005 Murano
TKWB0516E
AV-84
INTEGRATED DISPLAY SYSTEM
Revision: 2005 August
2005 Murano
TKWB0517E
INTEGRATED DISPLAY SYSTEM
AV-85
C
D
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F
G
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A
B
AV
Revision: 2005 August
2005 Murano
Wiring Diagram — COMM —
AKS004Z2
TKWA1731E
AV-86
INTEGRATED DISPLAY SYSTEM
Revision: 2005 August
2005 Murano
TKWA1732E
INTEGRATED DISPLAY SYSTEM
AV-87
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AV
Revision: 2005 August
2005 Murano
Terminals and Reference Value for Display Unit
AKS004XW
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Ignition
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 (G)
Ground
Ignition signal
Input
ON
—
Battery voltage
A/C operation is
not possible.
Vehicle informa-
tion setting is not
possible.
4 (R/L)
Ground
Illumination
signal
Input
ON
Lighting switch
ON
Approx. 12 V
Screen does not
switch to night-
time mode after
the lighting
switch is turned
ON.
Lighting switch
OFF
Approx. 0 V
6 (B)
Ground
Ground
—
ON
—
Approx. 0 V
—
7 (V/W)
Ground
Vehicle speed
signal (8-pulse)
Input
ON
When vehicle
speed is
approx. 25
MPH (40 km/h)
Drive computer
item is not dis-
played correctly.
8 (R/G)
Ground
Audio TX
Output
ON
Operate audio
volume switch
Audio system
does not oper-
ate properly.
9
Ground
Shield
—
ON
—
Approx. 0 V
—
10 (R/Y)
Ground
Audio RX
Input
ON
Operate audio
volume switch
Audio system
does not oper-
ate properly.
11 (L/G)
Ground
Communica-
tion signal (+)
Input/
Output
ON
Operate A/C
and AV switch
System does not
work properly.
12
Ground
Shield
—
ON
—
Approx. 0 V
—
PKIA1935E
SKIA4402E
SKIA4403E
SKIA0175E
AV-88
INTEGRATED DISPLAY SYSTEM
Revision: 2005 August
2005 Murano
Terminals and Reference Value for A/C and AV Switch
AKS004XX
13 (L/R)
Ground
Communica-
tion signal (–)
Input/
Output
ON
Operate A/C
and AV switch
System does not
work properly.
14 (L)
—
CAN-H
—
—
—
—
—
16 (Y)
—
CAN-L
—
—
—
—
—
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Ignition
switch
Operation
SKIA0176E
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Ignition
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
ON
Lighting switch
ON
Approx. 12 V
A/C and AV
switch illumina-
tion does not
come on when
lighting switch is
ON.
Lighting switch
OFF
Approx. 0 V
4 (R/W)
Ground
Illumination
control signal
Input
ON
Illumination
control switch
is operated by
lighting switch
in ON position
Changes between approx. 0 and
approx. 12 V
A/C and AV
switch illumina-
tion cannot be
controlled.
5 (B)
Ground
Ground
—
ON
—
Approx. 0 V
—
6 (L/G)
Ground
Communica-
tion signal (+)
Input/
Output
ON
Operate A/C
and AV switch
System does not
work properly.
7
Ground
Shield
—
ON
—
Approx. 0 V
—
8 (L/R)
Ground
Communica-
tion signal (–)
Input/
Output
ON
Operate A/C
and AV switch
System does not
work properly.
SKIA0175E
SKIA0176E
INTEGRATED DISPLAY SYSTEM
AV-89
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AV
Revision: 2005 August
2005 Murano
12 (R)
Ground
Remote control
A
Input
ON
Press and hold
MODE switch
Approx. 0 V
Audio steering
wheel switch
controls do not
function.
Press and hold
SEEK UP
switch
Approx. 1.7 V
Press and hold
VOL UP switch
Approx. 3.3 V
Except for
above
Approx. 5 V
13 (G)
Ground
Remote control
B
Input
ON
Press and hold
POWER
switch
Approx. 0 V
Audio steering
wheel switch
controls do not
function.
Press and hold
SEEK DOWN
switch
Approx. 1.7 V
Press and hold
VOL DOWN
switch
Approx. 3.3 V
Except for
above
Approx. 5 V
14 (B/W)
Ground
Remote control
ground
—
ON
—
Approx. 0 V
Audio steering
wheel switch
controls do not
function.
16 (G/W)
Ground
Rear window
defogger switch
signal
Output
ON
Press and hold
rear window
defogger
switch
Approx. 0 V
Rear window
defogger does
not operate.
—
Approx. 5 V
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Ignition
switch
Operation
AV-90
INTEGRATED DISPLAY SYSTEM
Revision: 2005 August
2005 Murano
On Board Self-Diagnosis Function
AKS004XY
DESCRIPTION
●
Diagnosis function consists of the self-diagnosis mode performed automatically.
●
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.
DIAGNOSIS ITEM
Self-Diagnosis Mode
AKS004XZ
OPERATION PROCEDURES
1.
Start the engine.
2.
Turn the audio system OFF.
3.
While pressing the “PAUSE/MUTE” switch, 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.)
4.
Select each connecting unit (IVCS, CHANGER, SATELLITE
RADIO).
5.
Self-diagnosis screen is displayed.
●
Using the joystick, select each item, and perform diagnosis.
CAUTION:
If self-diagnosis cannot be activated, refer to
ble Diagnosis Chart by Symptom"
.
Mode
Item
Description
Reference page
Self-diagnosis
NETWORK CHECK
Check network between control unit and switch connected
from display unit via communication line.
PARTS CHECK
●
Perform diagnosis and setting of display unit.
●
Perform self-diagnosis for auto air conditioner system.
VERSION CHECK
Displays version of each unit.
CAN DIAG MNTR
Display unit displays CAN communication status.
AV-92, "CAN DIAG MNTR
(CAN DIAG MONITOR)"
SKIA4376E
SKIA7773E
SKIA7774E
INTEGRATED DISPLAY SYSTEM
AV-91
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AV
Revision: 2005 August
2005 Murano
NETWORK CHECK
Selecting NETWORK CHECK on self-diagnosis screen, display self-
diagnostic results.
PARTS CHECK
●
Selecting PARTS CHECK on self-diagnosis screen, display
selection screen.
●
Select DISPLAY, indicate DISPLAY DETAIL screen. Display
diagnosis and setting can be performed.
●
Select HVAC, Indicate HVAC DETAIL screen. Auto air condi-
tioner system self-diagnosis can be performed.
Display Detail Screen
NOTE:
Except an audio screen.
SKIA7775E
Diagnosis item
Contents
DTC return condition
Reference at error
HVAC
OK/NG
Communication error between unified meter and A/C amp. and dis-
play unit.
AV-102, "CAN Communica-
tion Line Check"
SWITCH
OK/NG
Communication error between A/C and AV switch and display unit.
AV-101, "A/C and AV Switch
Does Not Operate"
AUDIO
OK/NG
Communication error between audio and display unit.
AV-99, "Audio Communica-
tion Line Check"
SKIA7776E
Items
Description
FULL BLINK
All display unit segments turn ON.
BLANK–ADJ
Adjust the display timeout for 5 to 15 seconds. (Default is 10
seconds.)
Note
WARNING
Select warning indication ON/OFF. (Default is ON.)
SKIA7777E
AV-92
INTEGRATED DISPLAY SYSTEM
Revision: 2005 August
2005 Murano
HVAC DETAIL SCREEN
Press the joystick, start auto air conditioner system self-diagnosis.
Refer to
ATC-48, "Self-diagnosis Function"
VERSION CHECK
Check ID and version of display, A/C and AV switch, and audio.
CAN DIAG MNTR (CAN DIAG MONITOR)
Display CAN communication status.
SKIA7778E
Items shown
Contents
CANCOMM
OK/NG
CAN1
OK/UNKWN
CAN2
OK/UNKWN
CAN3
OK/UNKWN
CAN4
OK/UNKWN
CAN5
OK/UNKWN
CAN6
OK/UNKWN
CAN7
OK/UNKWN
CAN8
OK/UNKWN
CAN9
OK/UNKWN
SKIA7779E
INTEGRATED DISPLAY SYSTEM
AV-93
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AV
Revision: 2005 August
2005 Murano
A/C and AV Switch Self-Diagnosis Function
AKS005FY
It can check ON/OFF operation of each switch in the A/C and AV switch and diagnose the input signals to the
audio steering wheel switch.
STARTING THE SELF-DIAGNOSIS MODE
1.
Turn ignition switch from OFF to ACC.
2.
Within 10 seconds press and hold the switches “PAUSE/MUTE”
and “PREV” simultaneously for 3 seconds.
DIAGNOSIS FUNCTION
The following are checked:
●
All the indicators (LED) in the A/C and AV switch.
●
Continuity of the switches by sounding the buzzer when the A/C and AV switch is pressed.
●
Continuity of harness between A/C and AV switch and audio steering wheel switch.
NOTE:
●
Indicators (LED) of REC/FRE switch change to “FRE”
→
“REC”
→
“FRE” every time the REC/FRE switch is
pressed. (These two do not turn on at a time.)
●
Impossible to check rear window defogger switch operation (No beep sound even under normal status).
EXITING THE SELF-DIAGNOSIS MODE
●
Turn ignition switch OFF.
SKIA4385E
AV-94
INTEGRATED DISPLAY SYSTEM
Revision: 2005 August
2005 Murano
Trouble Diagnosis Chart by Symptom
AKS005IF
Symptom
Check item
No screen is shown.
●
Display unit power supply and ground circuit. Refer to
and Ground Circuit Check for Display Unit"
●
Display unit
Screen does not switch to nighttime mode after the
lighting switch is turned ON.
●
AV-98, "Illumination Signal Check"
●
Display unit
TRIP and FUEL ECON screen do not appear.
●
Ignition signal. Refer to
AV-98, "Ignition Signal Check"
.
●
Display unit
●
Trip odometer (DIST) is not added up.
●
Average vehicle speed (AVG) is not displayed.
●
Vehicle speed signal. Refer to
AV-97, "Vehicle Speed Signal Check"
●
Display unit
Average fuel consumption (AVG) is not displayed.
●
Vehicle speed signal. Refer to
AV-97, "Vehicle Speed Signal Check"
●
CAN communication line. Refer to
AV-102, "CAN Communication Line Check"
.
●
Display unit
Distance to empty (DTE) is not displayed.
●
Check if speedometer operates. If it does not operate, go to
.
●
Check if fuel gauge operates. If it does not operate, go to
.
●
CAN communication line. Refer to
AV-102, "CAN Communication Line Check"
.
●
Display unit
Tire pressure is not displayed.
●
Ignition signal. Refer to
AV-98, "Ignition Signal Check"
.
●
Low tire pressure warning control unit. Refer to
●
CAN communication line. Refer to
AV-102, "CAN Communication Line Check"
.
●
Display unit
Door warning screen does not appear.
●
Ignition signal. Refer to
AV-98, "Ignition Signal Check"
.
●
Vehicle speed signal. Refer to
AV-97, "Vehicle Speed Signal Check"
●
CAN communication line. Refer to
AV-102, "CAN Communication Line Check"
.
●
Display unit
A/C and AV switch and all switch operation are not
possible.
(Do not start self-diagnosis.)
AV-101, "A/C and AV Switch Does Not Operate"
Air conditioner operation is not possible.
●
Ignition signal. Refer to
AV-98, "Ignition Signal Check"
.
●
A/C and AV switch. Refer to
AV-99, "A/C and AV Switch Check"
●
CAN communication line. Refer to
AV-102, "CAN Communication Line Check"
.
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