Nissan Murano Z51 (2008 year). Manual — part 23

AV

STEERING SWITCH SIGNAL A CIRCUIT

AV-141

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STEERING SWITCH SIGNAL A CIRCUIT

Description

INFOID:0000000003356818

Transmits the steering switch signal to AV control unit.

Diagnosis Procedure

INFOID:0000000003356819

1.

CHECK STEERING SWITCH SIGNAL A CIRCUIT

1.

Disconnect AV control unit connector and spiral cable connector.

2.

Check continuity between AV control unit harness connector and spiral cable harness connector.

3.

Check continuity between AV control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK SPIRAL CABLE

Check spiral cable.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace spiral cable.

3.

CHECK AV CONTROL UNIT VOLTAGE

1.

Connect AV control unit connector and spiral cable connector.

2.

Turn ignition switch ON.

3.

Check voltage between AV control unit harness connector.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace AV control unit.

4.

CHECK STEERING SWITCH

1.

Turn ignition switch OFF.

2.

Check steering switch. Refer to

AV-142, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace steering switch.

AV control unit

Spiral cable

Continuity

Connector

Terminal

Connector

Terminal

M127

6

M33

24

Existed

AV control unit

Ground

Continuity

Connector

Terminal

M127

6

Not existed

(+)

(

−

)

Voltage

(Approx.)

AV control unit

AV control unit

Connector

Terminal

Connector

Terminal

M127

6

M127

15

3.3 V

Revision: 2008 October

2009 Murano

AV-142

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STEERING SWITCH SIGNAL A CIRCUIT

Component Inspection

INFOID:0000000003356820

Measure the resistance between the steering switch connector ter-
minals 14 to 17 and 15 to 17.

Standard

JSNIA0216GB

Steering switch

Condition

Resistance

Ω

Con-

nector

Termi-

nal

Con-

nector

Termi-

nal

M303

14

M303

17

switch

ON

709 – 737

MENU DOWN switch
ON

315 – 327

MENU UP switch ON

119 – 123

SOURCE switch ON

0

15

switch ON

315 – 327

VOL UP switch ON

119 – 123

VOL DOWN switch ON

0

Revision: 2008 October

2009 Murano

AV

STEERING SWITCH SIGNAL B CIRCUIT

AV-143

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STEERING SWITCH SIGNAL B CIRCUIT

Description

INFOID:0000000003356821

Transmits the steering switch signal to AV control unit.

Diagnosis Procedure

INFOID:0000000003356822

1.

CHECK STEERING SWITCH SIGNAL B CIRCUIT

1.

Disconnect AV control unit connector and spiral cable connector.

2.

Check continuity between AV control unit harness connector and spiral cable harness connector.

3.

Check continuity between AV control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK SPIRAL CABLE

Check spiral cable.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace spiral cable.

3.

CHECK AV CONTROL UNIT VOLTAGE

1.

Connect AV control unit connector and spiral cable connector.

2.

Turn ignition switch ON.

3.

Check voltage between AV control unit harness connector.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace AV control unit.

4.

CHECK STEERING SWITCH

1.

Turn ignition switch OFF.

2.

Check steering switch. Refer to

AV-144, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace steering switch.

AV control unit

Spiral cable

Continuity

Connector

Terminal

Connector

Terminal

M127

16

M33

31

Existed

AV control unit

Ground

Continuity

Connector

Terminal

M127

16

Not existed

(+)

(

−

)

Voltage

(Approx.)

AV control unit

AV control unit

Connector

Terminal

Connector

Terminal

M127

16

M127

15

3.3 V

Revision: 2008 October

2009 Murano

AV-144

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STEERING SWITCH SIGNAL B CIRCUIT

Component Inspection

INFOID:0000000003470186

Measure the resistance between the steering switch connector ter-
minals 14 to 17 and 15 to 17.

Standard

JSNIA0216GB

Steering switch

Condition

Resistance

Ω

Con-

nector

Termi-

nal

Con-

nector

Termi-

nal

M303

14

M303

17

switch

ON

709 – 737

MENU DOWN switch
ON

315 – 327

MENU UP switch ON

119 – 123

SOURCE switch ON

0

15

switch ON

315 – 327

VOL UP switch ON

119 – 123

VOL DOWN switch ON

0

Revision: 2008 October

2009 Murano

AV

STEERING SWITCH SIGNAL GND CIRCUIT

AV-145

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STEERING SWITCH SIGNAL GND CIRCUIT

Description

INFOID:0000000003356824

Transmits the steering switch signal to AV control unit.

Diagnosis Procedure

INFOID:0000000003356825

1.

CHECK STEERING SWITCH SIGNAL GND CIRCUIT

1.

Disconnect AV control unit connector and spiral cable connector.

2.

Check continuity between AV control unit harness connector and spiral cable harness connector.

3.

Connect AV control unit connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK SPIRAL CABLE

Check spiral cable.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace spiral cable.

3.

CHECK GROUND CIRCUIT

1.

Connect AV control unit connector.

2.

Check continuity between AV control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace AV control unit.

4.

CHECK STEERING SWITCH

1.

Turn ignition switch OFF.

2.

Check steering switch. Refer to

AV-146, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace steering switch.

AV control unit

Spiral cable

Continuity

Connector

Terminal

Connector

Terminal

M127

15

M33

33

Existed

AV control unit

Ground

Continuity

Connector

Terminal

M127

15

Existed

Revision: 2008 October

2009 Murano

AV-146

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STEERING SWITCH SIGNAL GND CIRCUIT

Component Inspection

INFOID:0000000003470187

Measure the resistance between the steering switch connector ter-
minals 14 to 17 and 15 to 17.

Standard

JSNIA0216GB

Steering switch

Condition

Resistance

Ω

Con-

nector

Termi-

nal

Con-

nector

Termi-

nal

M303

14

M303

17

switch

ON

709 – 737

MENU DOWN switch
ON

315 – 327

MENU UP switch ON

119 – 123

SOURCE switch ON

0

15

switch ON

315 – 327

VOL UP switch ON

119 – 123

VOL DOWN switch ON

0

Revision: 2008 October

2009 Murano

AV

AV CONTROL UNIT

AV-147

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ECU DIAGNOSIS

AV CONTROL UNIT

Reference Values

INFOID:0000000003478347

VALUES ON THE DIAGNOSIS TOOL

CONSULT-III MONITOR ITEM

TERMINAL LAYOUT

PHYSICAL VALUES

Monitor Item

Condition

Value/Status

VHCL SPD SIG

Ignition switch
ON

Vehicle speed > 0 km/h (0 MPH)

On

Vehicle speed = 0 km/h (0 MPH)

Off

PKB SIG

Ignition switch
ON

Parking brake is applied.

On

Parking brake is released.

Off

ILLUM SIG

Ignition switch
ON

Light switch ON

On

Light switch OFF

Off

IGN SIG

Ignition switch
ON

—

On

Ignition switch
ACC

—

Off

REV SIG

Ignition switch
ON

Selector lever in R position

On

Selector lever in any position other than R

Off

JPNIA0009ZZ

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

6

(BR)

15

(L)

Steering switch signal A

Input

Ignition

switch

ON

Keep pressing SOURCE
switch.

0 V

Keep pressing

switch.

0.7 V

Keep pressing

switch.

1.3 V

Keep pressing

switch.

2.0 V

Except for above.

3.3 V

7

(R)

Ground

ACC power supply

Input

Ignition

switch

ACC

—

Battery voltage

9

(R)

Ground

Illumination signal

Input

OFF

Lighting switch is OFF.

0 V

Lighting switch is ON.

12.0 V

Revision: 2008 October

2009 Murano

AV-148

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AV CONTROL UNIT

15

(L)

Ground

Steering switch signal GND

—

Ignition

switch

ON

—

0 V

16

(G)

15

(L)

Steering switch signal B

Input

Ignition

switch

ON

Keep pressing VOL DOWN
switch.

0 V

Keep pressing VOL UP
switch.

0.7 V

Keep pressing

switch.

1.3 V

Except for above.

3.3 V

19

(Y)

Ground

Battery power supply

Input

Ignition

switch

OFF

—

Battery voltage

20

(B)

Ground

Ground

—

Ignition

switch

ON

—

0 V

22

(G)

21

(B)

Satellite radio sound signal
LH

Input

Ignition

switch

ON

When satellite radio mode
is selected.

24

(W)

23

(R)

Satellite radio sound signal
RH

Input

Ignition

switch

ON

When satellite radio mode
is selected.

25

—

Shield

—

—

—

—

26

—

Shield

—

—

—

—

28

(R)

Ground

Request signal
(SAT

→

CONT)

Input

Ignition

switch

ON

When satellite radio mode
is selected.

29

(W)

Ground

Communication signal
(SAT

→

CONT)

Input

Ignition

switch

ON

When satellite radio mode
is selected.

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3609E

SKIB3609E

SKIA9299J

SKIA9300J

Revision: 2008 October

2009 Murano

AV

AV CONTROL UNIT

AV-149

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30

(B)

Ground

Communication signal
(CONT

→

SAT)

Output

Ignition

switch

ON

When satellite radio mode
is selected.

33

—

FM sub

Input

—

—

—

34

—

AM–FM main

Input

—

—

—

35

Ground

Antenna amp. ON signal

Output

Ignition

switch

ACC

—

12.0 V

36

(L)

37

(P)

Without DVD player
models

• Composite image signal

(AUX/Camera image)

Output

Ignition

switch

ON

When composite image is
displayed.

With DVD player models

• Composite image signal

(DVD/AUX/Camera im-
age)

37

(P)

Ground

Composite image ground

—

Ignition

switch

ON

—

0 V

38

(Y)

Ground

RGB image signal (B: blue)

Output

Ignition

switch

ON

Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting
“Color Spectrum Bar” on
DISPLAY DIAGNOSIS
screen.

39

(L)

Ground

RGB image signal (G:
green)

Output

Ignition

switch

ON

Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting
“Color Spectrum Bar” on
DISPLAY DIAGNOSIS
screen.

40

(G)

Ground

RGB image signal (R: red)

Output

Ignition

switch

ON

Start confirmation/adjust-
ment mode, and then dis-
play color bar by selecting
“Color Spectrum Bar” on
DISPLAY DIAGNOSIS
screen.

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIA9301J

SKIB2251J

SKIB2237J

SKIB2236J

SKIB2238J

Revision: 2008 October

2009 Murano

AV-150

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AV CONTROL UNIT

41

(B)

Ground

RGB synchronizing signal

Output

Ignition

switch

ON

—

42

—

Shield

—

—

—

—

43

(W)

Ground

RGB area (YS) signal

Output

Ignition

switch

ON

When RGB image is dis-
played.

5.0 V

When AUX or camera im-
age is displayed.

44

(G)

Ground

Communication signal
(DISP

→

CONT)

Input

Ignition

switch

ON

When adjusting display
brightness.

45

(G)

Ground

Horizontal synchronizing
(HP) signal

Input

Ignition

switch

ON

—

46

(LG)

Ground

Signal GND

—

Ignition

switch

ON

—

0 V

47

(O)

Ground

Signal VCC (front display
unit power supply)

Output

Ignition

switch

ACC

—

9.0 V

49

—

Shield

—

—

—

—

50

—

Shield

—

—

—

—

55

—

Shield

—

—

—

—

56

(R)

Ground

Communication signal
(CONT

→

DISP)

Output

Ignition

switch

ON

When adjusting display
brightness.

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3603E

PKIB4948J

PKIB5039J

SKIB3601E

PKIB5039J

Revision: 2008 October

2009 Murano

AV

AV CONTROL UNIT

AV-151

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57

(R)

Ground

Vertical synchronizing (VP)
signal

Input

Ignition

switch

ON

—

58

(BR)

Ground

Inverter GND

—

Ignition

switch

ON

—

0 V

59

(Y)

Ground

Inverter VCC (front display
unit power supply)

Output

Ignition

switch

ACC

—

9.0 V

64

Ground

Shield (camera image
ground)

—

Ignition

switch

ON

—

0 V

65

(W)

64

Camera image signal

Input

Ignition

switch

ON

when rear view camera im-
age is displayed.

66

(Y)

*1

(L)

*3

74

(B)

*1

(R)

*3

Without DVD player
models

• AUX image signal

Input

Ignition

switch

ON

When AUX image is dis-
played.

With DVD player models

• Composite image signal

(DVD/AUX image)

When DVD or AUX image
is displayed.

68

(P)

Ground

Camera-connection recog-
nition signal

Input

Ignition

switch

ON

Connected to camera con-
trol unit connector.

0 V

Not connected to camera
control unit connector.

5.0 V

73

—

Shield

—

—

—

—

74

(B)

*1

(BR)

*2

(R)

*3

Ground

Without DVD player
models

• AUX image signal

ground

—

Ignition

switch

ON

—

0 V

With DVD player models

• Composite image signal

ground
(DVD/AUX image)

80

(R)

79

(L)

TEL voice signal

Input

Ignition

switch

ON

During voice guide output

with the

switch pressed.

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3598E

SKIB2251J

SKIB2251J

SKIB3609E

Revision: 2008 October

2009 Murano

AV-152

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AV CONTROL UNIT

81

—

Shield

—

—

—

—

83

(R)

82

(W)

Without DVD player
models

• Sound signal RH (iPod

sound)

Input

Ignition

switch

ON

When iPod mode is select-
ed

With DVD player models

• Sound signal RH (iPod,

DVD and AUX sound)

When iPod, DVD or AUX
mode is selected

85

(B)

Ground

Ground

—

Ignition

switch

ON

—

0 V

86

(L)

—

CAN–H

Input/

Output

—

—

—

87

(P)

—

CAN–L

Input/

Output

—

—

—

88

(R)

—

AV communication signal
(H)

Input/

Output

—

—

—

89

(L)

—

AV communication signal
(L)

Input/

Output

—

—

—

90

(G)

—

AV communication signal
(H)

Input/

Output

—

—

—

91

(L)

—

AV communication signal
(L)

Input/

Output

—

—

—

95

*4

(R)

97

*4

(W)

AUX sound signal RH

Input

Ignition

switch

ON

When AUX mode is select-
ed

96

*4

(B)

97

*4

(W)

AUX sound signal LH

Input

Ignition

switch

ON

When AUX mode is select-
ed

97

*4

(W)

Ground

AUX sound signal ground

—

Ignition

switch

ON

—

0 V

99

(BR)

*4

(B)

*3

98

(L)

*4

(G)

*3

Without DVD player
models

• Sound signal RH (iPod

sound)

Input

Ignition

switch

ON

When iPod mode is select-
ed

With DVD player models

• Sound signal RH (iPod,

DVD and AUX sound)

When iPod, DVD or AUX
mode is selected

100

—

Shield

—

—

—

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3609E

SKIB3609E

SKIB3609E

SKIB3609E

Revision: 2008 October

2009 Murano

AV

AV CONTROL UNIT

AV-153

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101

(V)

Ground

SW ground

—

Ignition

switch

ON

—

0 V

103
(W)

Ground

Eject signal

Input

—

Pressing the eject switch

0 V

Except for above

3.3 V

104

(G)

Ground

Ignition signal

Input

Ignition

switch

ON

—

Battery voltage

105

(SB)

Ground

Reverse signal

Input

Ignition

switch

ON

The “R” position

12.0 V

Other than the “R” position

0 V

106

(G)

Ground

Parking brake signal

Input

Ignition

switch

ON

Parking brake ON

0 V

Parking brake OFF

5.0 V

107

(V)

Ground

Vehicle speed signal
(8-pulse)

Input

Ignition

switch

ON

When vehicle speed is ap-
prox. 40 km/h (25 MPH)

NOTE:
Maximum voltage may be 12 V
due to specifications (connected
units).

108

(V)

114

(LG)

Sound signal rear RH

Output

Ignition

switch

ON

Voice output

109

(B)

115
(W)

Sound signal front RH

Output

Ignition

switch

ON

Voice output

110

(P)

Ground

Amp. ON signal

Output

Ignition

switch

ON

—

10.0 V

111

—

Shield

—

—

—

—

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIA6649J

SKIB3609E

SKIB3609E

Revision: 2008 October

2009 Murano

AV-154

< ECU DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

AV CONTROL UNIT

NOTE:

• *1: Without DVD player models (Type A).

• *2: Without DVD player models (Type B).

• *3: With DVD player models.

• *4: Only for models without DVD player.

Wiring Diagram - BOSE AUDIO WITHOUT NAVIGATION WITHOUT DVD ENTER-
TAINMENT SYSTEM -

INFOID:0000000003457756

NOTE:
• In this section, PRESET SWITCH and MULTIFUNCTION SWITCH are written as the MULTIFUNCTION

SWITCH.

• Type A: Up to VIN: JN8AZ18U*9W100000, JN8AZ18W*9W200000 (EXCEPT FOR MEXICO),

JN8AZ18U*9W710000, JN8AZ18W*9W810000 (FOR MEXICO)

112

(O)

*1

(L)

*2

118

(SB)

*1

(R)

*2

Sound signal rear LH

Output

Ignition

switch

ON

Voice output

113

(G)

119

(R)

Sound signal front LH

Output

Ignition

switch

ON

Voice output

Terminal

(Wire color)

Description

Condition

Reference value

(Approx.)

+

–

Signal name

Input/

Output

SKIB3609E

SKIB3609E

Revision: 2008 October

2009 Murano

AV

AV CONTROL UNIT

AV-155

< ECU DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

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• Type B: From VIN: JN8AZ18U*9W100001, JN8AZ18W*9W200001 (EXCEPT FOR MEXICO),

JN8AZ18U*9W710001, JN8AZ18W*9W810001 (FOR MEXICO)

JCNWM1855GB

Revision: 2008 October

2009 Murano

AV-156

< ECU DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

AV CONTROL UNIT

JCNWM1856GB

Revision: 2008 October

2009 Murano