Nissan Murano Z50 (2005 year). Manual - part 17

 

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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

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AV

Revision: 2005 August

2005 Murano

TKWA0839E

AV-82

INTEGRATED DISPLAY SYSTEM

Revision: 2005 August

2005 Murano

TKWA1056E

INTEGRATED DISPLAY SYSTEM

AV-83

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AV

Revision: 2005 August

2005 Murano

TKWB0516E

AV-84

INTEGRATED DISPLAY SYSTEM

Revision: 2005 August

2005 Murano

TKWB0517E

INTEGRATED DISPLAY SYSTEM

AV-85

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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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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 

AV-94, "Trou-

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.

AV-91, "NETWORK CHECK"

PARTS CHECK

Perform diagnosis and setting of display unit.

Perform self-diagnosis for auto air conditioner system.

AV-91, "PARTS CHECK"

VERSION CHECK

Displays version of each unit.

AV-92, "VERSION CHECK"

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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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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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 

AV-95, "Power Supply 

and Ground Circuit Check for Display Unit"

 .

Display unit

Screen does not switch to nighttime mode after the 
lighting switch is turned ON.

Illumination signal. Refer to 

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 

DI-19, "Vehicle 

Speed Signal Inspection"

 .

Check if fuel gauge operates. If it does not operate, go to 

DI-21, "Fuel Level 

Sensor Signal Inspection"

 .

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 

WT-17, "Self-Diagnosis"

 .

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.)

Refer to 

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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