Nissan Murano Z51 (2008 year). Manual — part 15
AV
AUDIO SYSTEM
AV-13
< FUNCTION DIAGNOSIS >
[BASE AUDIO]
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Component Parts Location
INFOID:0000000003415158
Component Description
INFOID:0000000003415159
1.
Front squawker RH
2.
Front squawker LH
3.
Front door speaker LH
4.
Rear door speaker LH
5.
Antenna base (antenna amp.)
6.
Rear door speaker RH
7.
Front door speaker RH
8.
Steering switch
9.
Audio unit
10. Audio display unit
JSNIA1098ZZ
Part name
Description
AUDIO UNIT
• Has radio function and CD playing function.
• Sound signals are output to each speaker.
AUDIO DISPLAY UNIT
Display images are controlled by AV communication from audio unit.
FRONT DOOR SPEAKER
• Outputs sound signals from audio unit.
• Outputs sound (mid and low range).
REAR DOOR SPEAKER
• Outputs sound signals from audio unit.
• Outputs sound (mid and low range).
FRONT SQUAWKER
• Outputs sound signals from audio unit.
• Outputs sound (high and mid range).
STEERING SWITCH
Steering switch signals (operation signals) are output to audio unit.
ANTENNA BASE
An antenna base integrated with radio antenna amp. is adopted.
ANTENNA AMP.
• Radio waves received by rod antenna are amplified and transmitted to audio
unit.
• Power (antenna amp. ON signal) is supplied from audio unit.
Revision: 2008 October
2009 Murano
AV-14
< FUNCTION DIAGNOSIS >
[BASE AUDIO]
DIAGNOSIS SYSTEM (AUDIO UNIT)
DIAGNOSIS SYSTEM (AUDIO UNIT)
Diagnosis Description
INFOID:0000000003465356
Self-diagnosis mode can perform the following items.
• Versions display
• Channel check diagnosis
• Key check diagnosis
• AV communication diagnosis
VERSIONS DISPLAY FUNCTION
1.
Turn ignition switch ON.
2.
Turn the audio unit off.
3.
While pressing “1” button, turn volume control dial clockwise or
counterclockwise for 30 clicks or more.
4.
Diagnosis default screen of audio display unit is displayed.
NOTE:
Diagnosis default screen = All icons and segments of the audio display unit are turned on.
5.
Pressing the AUDIO switch briefly displays the version display mode. Pressing the AUDIO switch briefly
switches to each version display. Pressing and holding the AUDIO switch when displaying each software
version returns to the diagnosis default screen.
Version display item
6.
Self-diagnosis mode is canceled when the ignition switch is turned OFF.
CHANNEL CHECK DIAGNOSIS FUNCTION
1.
Turn ignition switch ON.
2.
Turn the audio unit off.
JSNIA1143GB
Mode
Description
Versions display
Software V######
Audio unit software version is displayed.
Hardware V######
Audio unit hardware version is displayed.
CD Mech V######
Audio unit CD mechanism version is displayed.
EEPROM V######
Audio unit EEPROM version is displayed.
Disp SW V######
Display unit software version is displayed.
Disp HW V######
Display unit hardware version is displayed.
SDARS V######
Audio unit SDARS version is displayed.
NOTE:
“VFFFFFF” is displayed when SRARS is not available.
Revision: 2008 October
2009 Murano
AV
DIAGNOSIS SYSTEM (AUDIO UNIT)
AV-15
< FUNCTION DIAGNOSIS >
[BASE AUDIO]
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3.
While pressing the “1” button, turn the volume control dial clock-
wise or counterclockwise for 30 clicks or more.
4.
The diagnosis default screen of audio display unit is displayed.
NOTE:
Diagnosis default screen = All icons and segments of the audio display unit are turned on.
5.
Turning the TUNE/FOLDER dial clockwise displays the channel check mode. Pressing and holding the
AUDIO switch during each channel check or waiting approximately 1 second after finishing all channel
checks returns to the diagnosis default screen.
Channel check item
6.
Self-diagnosis mode is canceled when the ignition switch is turned OFF.
KEY CHECK DIAGNOSIS FUNCTION
1.
Turn ignition switch ON.
2.
Turn the audio unit off.
3.
While pressing the “1” button, turn the volume control dial clock-
wise or counterclockwise for 30 clicks or more.
4.
The diagnosis default screen of audio display unit is displayed.
NOTE:
Diagnosis default screen = All icons and segments of the audio display unit are turned on.
5.
Turning the TUNE/FOLDER dial counterclockwise displays the key check mode, and the pressed switch
name is shown. Pressing and holding the AUDIO switch during the key check returns to the diagnosis
default screen.
JSNIA1143GB
Mode
Description
Channel check
Channel Check
Front Left
Connection of a speaker can be confirmed by test tone.
Channel Check
Front Right
Channel Check
Rear Right
Channel Check
Rear Left
JSNIA1143GB
Revision: 2008 October
2009 Murano
AV-16
< FUNCTION DIAGNOSIS >
[BASE AUDIO]
DIAGNOSIS SYSTEM (AUDIO UNIT)
Key check item (audio unit)
Key check item (steering switch)
6.
Self-diagnosis mode is canceled when the ignition switch is turned OFF.
AV COMMUNICATION DIAGNOSIS FUNCTION
1.
Turn ignition switch ON.
2.
Turn the audio unit off.
3.
While pressing the “6” button, turn the volume control dial clock-
wise or counterclockwise for 30 clicks or more.
4.
Returns to diagnosis default screen and displays “AV DIAGNOSIS”.
Mode
Display item
Switch name
Key check
1
Preset button “1” switch
2
Preset button “2” switch
3
Preset button “3” switch
4
Preset button “4” switch
5
Preset button “5” switch
6
Preset button “6” switch
POWER
“ON·OFF” switch
VOLUME up
“VOL up” switch
VOLUME down
“VOL down” switch
AM·FM
“AM·FM” switch
DISC
“DISC” switch
AUX
“AUX” switch
AUDIO
“AUDIO” switch
TUNE/FOLDER up
“TUNE/FOLDER up” switch
TUNE/FOLDER down
“TUNE/FOLDER up” switch
DISP CLOCK
“DISP CLOCK” switch
SCAN
“SCAN” switch
RPT/RDM
“RPT RDM” switch
SEEK/TRACK up
“SEEK CAT” switch
SEEK/TRACK down
“TRACK” switch
LOAD
“LOAD” switch
EJECT
“EJECT” switch
Mode
Display item
Switch name
Key check
STR SOURCE
“SOURCE” switch
STR VOL UP
“VOL up” switch
STR VOL DOWN
“VOL down” switch
STR UP
“MENU up” switch
STR DOWN
“MENU down” switch
JSNIA1144GB
Revision: 2008 October
2009 Murano
AV
DIAGNOSIS SYSTEM (AUDIO UNIT)
AV-17
< FUNCTION DIAGNOSIS >
[BASE AUDIO]
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5.
Pressing the AUDIO switch briefly displays the AV communication diagnosis mode. Pressing the AUDIO
switch briefly again switches to each AV communication display.
AV communication diagnosis item
6.
Pressing the SEEK TRACK up switch displays the confirmation screen of “delete error record”. Press the
SEEK TRACK down switch if returning from RECORD DEL YES? to RECORD DEL NO?
The item is automatically determined approximately 6 seconds after it is displayed. Then the display
returns to AV TROUBLE DEL display item.
7.
Self-diagnosis mode is canceled when the ignition switch is turned OFF.
Display item
Description
AV communication item
Current
Past
TRANSMIT
OK / UN
OK / 0 –39
The communication condition and error counter from the audio unit to
the audio display unit are displayed.
DISP
OK / UN
OK / 0 –39
The communication condition and error counter from the audio display
unit to the audio unit.
DISP MPDT
OK / UN
OK / 0 –39
NO HISTORY BTHF
—
—
Not used.
AV TROUBLE DEL
—
—
The error record can be deleted.
Display item
Description
RECORD DEL NO?
Does not delete error record.
RECORD DEL YES?
Deletes error record.
Revision: 2008 October
2009 Murano
AV-18
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
POWER SUPPLY AND GROUND CIRCUIT
COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
INFOID:0000000003468501
1.
CHECK FUSE
Check for blown fuses.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Be sure to eliminate the cause of malfunction before installing new fuse.
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between audio unit harness connectors and ground.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Check harness between audio unit and fuse.
Power source
Fuse No.
Battery
35
Ignition switch ACC or ON
19
Signal name
Connector No.
Terminal No.
Ignition switch position
Value (Approx.)
Battery power supply
M46
19
OFF
Battery voltage
ACC power supply
7
ACC
Revision: 2008 October
2009 Murano
AV
STEERING SWITCH SIGNAL A CIRCUIT
AV-19
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
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STEERING SWITCH SIGNAL A CIRCUIT
Description
INFOID:0000000003468488
Transmits the steering switch signal to audio unit.
Diagnosis Procedure
INFOID:0000000003468489
1.
CHECK STEERING SWITCH SIGNAL A CIRCUIT
1.
Disconnect audio unit connector and spiral cable connector.
2.
Check continuity between audio unit harness connector and spiral cable harness connector.
3.
Check continuity between audio 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 AUDIO UNIT VOLTAGE
1.
Connect audio unit connector and spiral cable connector.
2.
Turn ignition switch ON.
3.
Check voltage between audio unit harness connector terminals.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace audio unit.
4.
CHECK STEERING SWITCH
1.
Turn ignition switch OFF.
2.
Check steering switch. Refer to
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering switch.
Audio unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M46
6
M33
24
Existed
Audio unit
—
Continuity
Connector
Terminal
M46
6
Ground
Not existed
(+)
(
−
)
Voltage
Audio unit
Connector
Terminal
Connector
Terminal
M46
6
M46
15
Approx 5.0 V
Revision: 2008 October
2009 Murano
AV-20
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
STEERING SWITCH SIGNAL A CIRCUIT
Component Inspection
INFOID:0000000003468490
Measure the resistance between the steering switch connector ter-
minals.
Standard
JSNIA1145GB
Steering switch
Condition
Resistance
Ω
Con-
nector
Termi-
nals
Con-
nector
Termi-
nal
M303
14
M303
17
SEEK DOWN switch
ON
315 – 327
SEEK UP switch ON
119 – 123
SOURCE switch ON
0
15
VOL UP switch ON
119 – 123
VOL DOWN switch ON
0
Revision: 2008 October
2009 Murano
AV
STEERING SWITCH SIGNAL B CIRCUIT
AV-21
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
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STEERING SWITCH SIGNAL B CIRCUIT
Description
INFOID:0000000003468491
Transmits the steering switch signal to audio unit.
Diagnosis Procedure
INFOID:0000000003468492
1.
CHECK STEERING SWITCH SIGNAL B CIRCUIT
1.
Disconnect audio unit connector and spiral cable connector.
2.
Check continuity between audio unit harness connector and spiral cable harness connector.
3.
Check continuity between audio 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 AUDIO UNIT VOLTAGE
1.
Connect audio unit connector and spiral cable connector.
2.
Turn ignition switch ON.
3.
Check voltage between audio unit harness connector terminals.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace audio unit.
4.
CHECK STEERING SWITCH
1.
Turn ignition switch OFF.
2.
Check steering switch. Refer to
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering switch.
Audio unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M46
16
M33
31
Existed
Audio unit
—
Continuity
Connector
Terminal
M46
16
Ground
Not existed
(+)
(
−
)
Voltage
Audio unit
Connector
Terminal
Connector
Terminal
M46
16
M46
15
Approx 5.0 V
Revision: 2008 October
2009 Murano
AV-22
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
STEERING SWITCH SIGNAL B CIRCUIT
Component Inspection
INFOID:0000000003470180
Measure the resistance between the steering switch connector ter-
minals.
Standard
JSNIA1145GB
Steering switch
Condition
Resistance
Ω
Con-
nector
Termi-
nals
Con-
nector
Termi-
nal
M303
14
M303
17
SEEK DOWN switch
ON
315 – 327
SEEK UP switch ON
119 – 123
SOURCE switch ON
0
15
VOL UP switch ON
119 – 123
VOL DOWN switch ON
0
Revision: 2008 October
2009 Murano
AV
STEERING SWITCH SIGNAL GND CIRCUIT
AV-23
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
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STEERING SWITCH SIGNAL GND CIRCUIT
Description
INFOID:0000000003468494
Transmits the steering switch signal to audio unit.
Diagnosis Procedure
INFOID:0000000003468495
1.
CHECK STEERING SWITCH SIGNAL GND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect audio unit connector and spiral cable connector.
3.
Check continuity between audio unit harness connector and spiral cable harness 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 audio unit connector.
2.
Check continuity between audio unit harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace audio unit.
4.
CHECK STEERING SWITCH
1.
Turn ignition switch OFF.
2.
Check steering switch. Refer to
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace steering switch.
Audio unit
Spiral cable
Continuity
Connector
Terminal
Connector
Terminal
M46
15
M33
33
Existed
Audio unit
—
Continuity
Connector
Terminal
M46
15
Ground
Existed
Revision: 2008 October
2009 Murano
AV-24
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
STEERING SWITCH SIGNAL GND CIRCUIT
Component Inspection
INFOID:0000000003470181
Measure the resistance between the steering switch connector ter-
minals.
Standard
JSNIA1145GB
Steering switch
Condition
Resistance
Ω
Con-
nector
Termi-
nals
Con-
nector
Termi-
nal
M303
14
M303
17
SEEK DOWN switch
ON
315 – 327
SEEK UP switch ON
119 – 123
SOURCE switch ON
0
15
VOL UP switch ON
119 – 123
VOL DOWN switch ON
0
Revision: 2008 October
2009 Murano
AV
AUDIO UNIT
AV-25
< ECU DIAGNOSIS >
[BASE AUDIO]
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ECU DIAGNOSIS
AUDIO UNIT
Reference Values
INFOID:0000000003468498
TERMINAL LAYOUT
PHYSICAL VALUES
JSNIA1180ZZ
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
2
(L)
3
(B)
Sound signal front LH
Output
Ignition
switch
ON
Sound output.
4
(LG)
5
(Y)
Sound signal rear LH
Output
Ignition
switch
ON
Sound output.
6
(W)
15
(SB)
Steering switch signal A
Input
Ignition
switch
ON
Keep pressing SOURCE
switch.
0 V
Keep pressing
switch.
1.0 V
Keep pressing
switch.
2.0 V
Except for above.
5.0 V
7
(R)
Ground
ACC power supply
Input
Ignition
switch
ACC
—
Battery voltage
11
(BR)
12
(W)
Sound signal front RH
Output
Ignition
switch
ON
Sound output.
SKIB3609E
SKIB3609E
SKIB3609E
Revision: 2008 October
2009 Murano
AV-26
< ECU DIAGNOSIS >
[BASE AUDIO]
AUDIO UNIT
13
(O)
14
(P)
Sound signal rear RH
Output
Ignition
switch
ON
Sound output.
15
(SB)
Ground
Steering switch signal
ground
—
Ignition
switch
ON
—
0 V
16
(Y)
15
(SB)
Steering switch signal B
Input
Ignition
switch
ON
Keep pressing VOL DOWN
switch.
0 V
Keep pressing VOL UP
switch.
1.0 V
Except for above.
5.0 V
19
(Y)
Ground
Battery power supply
Input
Ignition
switch
OFF
—
Battery voltage
33
(G)
Ground
AV communication signal
(L)
Input/
Output
—
—
—
34
(R)
Ground
AV communication signal
(H)
Input/
Output
—
—
—
35
—
FM sub
Input
—
—
—
36
—
AM-FM main
Input
—
—
—
37
Ground
Antenna amp. ON signal
Output
Ignition
switch
ACC
—
12.0 V
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
SKIB3609E
Revision: 2008 October
2009 Murano
AV
AUDIO UNIT
AV-27
< ECU DIAGNOSIS >
[BASE AUDIO]
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Wiring Diagram — BASE AUDIO —
INFOID:0000000003465382
JCNWM1833GB
Revision: 2008 October
2009 Murano
AV-28
< ECU DIAGNOSIS >
[BASE AUDIO]
AUDIO UNIT
JCNWM1834GB
Revision: 2008 October
2009 Murano
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