Nissan Murano Z50 (2004 year). Manual — part 14
AUDIO
AV-35
C
D
E
F
G
H
I
J
L
M
A
B
AV
Revision: 2004 November
2004 Murano
TKWB0101E
AV-36
AUDIO
Revision: 2004 November
2004 Murano
Terminals and Reference Value for Audio Unit for Base System
AKS005EY
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Ignition
switch
Operation
2 (W)
1 (B)
Audio sound
signal front LH
Output
ON
Receive audio
signal
No sound from
front door
speaker LH and
tweeter LH.
4 (Y)
3 (BR)
Audio sound
signal front RH
Output
ON
Receive audio
signal
No sound from
front door
speaker RH and
tweeter RH.
5 (G)
Ground
Antenna
signal
Output
ON
–
Approx. 12V
Antenna amp.
does not work
properly.
6 (Y)
Ground
Battery power
supply
Input
OFF
–
Battery voltage
System does not
work properly.
10 (P/B)
Ground
ACC power
supply
Input
ACC
–
Battery voltage
System does not
work properly.
14 (O)
13 (B/P)
Audio sound
signal rear LH
Output
ON
Receive audio
signal
No sound from
rear door
speaker LH.
16 (L)
15 (B/W)
Audio sound
signal rear RH
Output
ON
Receive audio
signal
No sound from
rear door
speaker RH.
21 (R/Y)
Ground
Audio RX
Output
ON
Operate audio
volume switch
Audio unit does
not operate
properly.
23 (R/G)
Ground
Audio TX
Input
ON
Operate audio
volume switch
Audio unit does
not operate
properly.
25 Ground
Shield
–
ON
–
Approx.
0V
–
SKIA0177E
SKIA0177E
SKIA0177E
SKIA0177E
SKIA4403E
SKIA4402E
AUDIO
AV-37
C
D
E
F
G
H
I
J
L
M
A
B
AV
Revision: 2004 November
2004 Murano
Terminals and Reference Value for Audio Unit for BOSE System
AKS005EZ
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Ignition
switch
Operation
2 (W)
1 (B)
Audio sound
signal front LH
Output
ON
Receive audio
signal
No sound from
front door
speaker LH and
tweeter LH.
4 (Y)
3 (BR)
Audio sound
signal front RH
Output
ON
Receive audio
signal
No sound from
front door
speaker RH and
tweeter RH.
5 (G)
Ground
Antenna
signal
Output
ON
–
Approx. 12V
Antenna amp.
does not work
properly.
6 (Y)
Ground
Battery power
supply
Input
OFF
–
Battery voltage
System does not
work properly.
9
Ground
Shield
–
ON
–
Approx. 0V
–
10 (P/B)
Ground
ACC power
supply
Input
ACC
–
Battery voltage
System does not
work properly.
12 (G/W)
Ground
Amp. ON signal
Output
ON
–
Approx. 12V
BOSE speaker
amp. does not
work properly.
14 (O)
13 (B/P)
Audio sound
signal rear LH
Output
ON
Receive audio
signal
No sound from
rear door
speaker LH.
16 (L)
15 (B/W)
Audio sound
signal rear RH
Output
ON
Receive audio
signal
No sound from
rear door
speaker RH.
21 (R/Y)
Ground
Audio RX
Output
ON
Operate audio
volume switch
Audio unit does
not operate
properly.
SKIA0177E
SKIA0177E
SKIA0177E
SKIA0177E
SKIA4403E
AV-38
AUDIO
Revision: 2004 November
2004 Murano
22 (V/W)
Ground
Vehicle speed
signal (8- pulse)
Input
ON
When vehicle
speed is
approx. 25
MPH (40 km/h)
NOTE:
Maximum voltage may be 5 V
due to specifications (connected
units).
Speed sensitive
volume system
dose not work
properly.
23 (R/G)
Ground
Audio TX
Input
ON
Operate audio
volume switch
Audio unit does
not operate
properly.
25 Ground
Shield
–
ON
–
Approx.
0V
–
35
Ground
Shield
–
ON
–
Approx. 0V
–
36 (V)
34 (LG)
Voice guide sig-
nal
Input
ON
Push the
“GUIDE/
VOICE” button
Only route guide
and operation
guide are not
heard.
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Ignition
switch
Operation
PKIA1935E
SKIA4402E
SKIA0171E
AUDIO
AV-39
C
D
E
F
G
H
I
J
L
M
A
B
AV
Revision: 2004 November
2004 Murano
Terminals and Reference Value for BOSE Speaker Amp.
AKS005F0
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.
9 (G/W)
10 (G)
Audio sound
signal rear LH
Output
ON
Receive audio
signal
No sound from
rear door
speaker LH.
11 (L)
12 (R)
Audio sound
signal rear RH
Output
ON
Receive audio
signal
No sound from
rear door
speaker RH.
13 (L/R)
14 (L/B)
Audio sound
signal front LH
Output
ON
Receive audio
signal
No sound from
front door
speaker LH and
tweeter LH.
15 (W/B)
16 (G/B)
Audio sound
signal front RH
Output
ON
Receive audio
signal
No sound from
front door
speaker RH and
tweeter RH.
17 (B)
Ground
Ground
–
ON
–
Approx. 0V
–
18 (W)
2 (B)
Audio sound
signal woofer 1
Output
ON
Receive audio
signal
No sound from
woofer.
19 (B/P)
3 (O)
Audio sound
signal woofer 2
Output
ON
Receive audio
signal
No sound from
woofer.
SKIA0177E
SKIA0177E
SKIA0177E
SKIA0177E
SKIA0177E
SKIA0177E
AV-40
AUDIO
Revision: 2004 November
2004 Murano
24 (L)
23 (B/W)
Audio sound
signal rear RH
Input
ON
Receive audio
signal
No sound from
rear door
speaker RH.
26 (O)
25 (Y)
Audio sound
signal rear LH
Input
ON
Receive audio
signal
No sound from
rear door
speaker LH.
28 (Y)
27 (BR)
Audio sound
signal front RH
Input
ON
Receive audio
signal
No sound from
front door
speaker RH and
tweeter RH.
30 (W)
29 (B)
Audio sound
signal front LH
Input
ON
Receive audio
signal
No sound from
front door
speaker LH and
tweeter LH.
31 (G/W)
Ground
Control signal
(SWB+)
Input
ON
–
Approx. 12V
BOSE speaker
amp. does not
work properly.
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Ignition
switch
Operation
SKIA0177E
SKIA0177E
SKIA0177E
SKIA0177E
AUDIO
AV-41
C
D
E
F
G
H
I
J
L
M
A
B
AV
Revision: 2004 November
2004 Murano
Terminals and Reference Value for A/C and AV Switch
AKS00AJP
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. 12V
A/C and AV
switch illumina-
tion does not
function when
lighting switch is
ON.
Lighting switch
OFF
Approx. 0V
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. 12V
A/C and AV
switch illumina-
tion cannot be
controlled.
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 control
A
Input
ON
Push MODE
switch
Approx. 0V
Audio steering
wheel switch
controls do not
function.
Push SEEK
UP switch
Approx. 1.7V
Push VOL UP
switch
Approx. 3.3V
Except for
above
Approx. 5V
SKIA0175E
SKIA0176E
AV-42
AUDIO
Revision: 2004 November
2004 Murano
13 (G)
Ground
Remote control
B
Input
ON
Push POWER
switch
Approx. 0V
Audio steering
wheel switch
controls do not
function.
Push SEEK
DOWN switch
Approx. 1.7V
Push VOL
DOWN switch
Approx. 3.3V
Except for
above
Approx. 5V
14 (B/W)
Ground
Remote control
ground
–
ON
–
Approx. 0V
Audio steering
wheel switch
controls do not
function.
Terminal
(Wire color)
Item
Signal
input/
output
Condition
Reference value
Example of
symptom
+
–
Ignition
switch
Operation
AUDIO
AV-43
C
D
E
F
G
H
I
J
L
M
A
B
AV
Revision: 2004 November
2004 Murano
A/C and AV Switch Self-Diagnosis Function
AKS005RI
It can check ON/OFF operation of each switch in the A/C and AV switch and diagnose the input signals to the
steering switch.
STARTING THE SELF-DIAGNOSIS MODE
1.
Turn ignition switch from OFF to ACC.
2.
Within 10 seconds push 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 pushed.
●
Continuity of harness between A/C and AV switch and steering switch.
NOTE:
●
Indicators (LED) of REC/FRE switch change to “FRE”
→
“REC”
→
“FRE” every time the REC/FRE switch is
pushed. (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.
Trouble Diagnosis
AKS005F2
The majority of the audio malfunctions are the result of outside causes (bad CD/cassette, electromagnetic
interference, etc.). Check the symptoms below to diagnose the malfunction.
MALFUNCTION WITH RADIO AND CD (BASE SYSTEM)
Make sure that other operation except audio system can be performed with A/C and AV switch. If these oper-
ations are inoperative with A/C and AV switch, refer to
AV-100, "A/C and AV Switch Does Not Operate"
SKIA4385E
Symptom
Check item
Inoperative
●
Audio unit power supply circuit. Refer to
.
●
Audio communication line. Refer to
AV-98, "Audio Communication Line
.
●
A/C and AV switch. Refer to
AV-50, "A/C and AV Switch Check"
●
Audio unit
Audio steering wheel switch dose not operate
●
Audio steering wheel switch. Refer to
AV-48, "Audio Steering Wheel Switch
.
●
A/C and AV switch. Refer to
AV-50, "A/C and AV Switch Check"
One or several speaker does not sound
●
Front door speaker. Refer to
AV-51, "Front Door Speaker Check (Base Sys-
.
●
Rear door speaker. Refer to
AV-53, "Rear Door Speaker Check (Base Sys-
.
●
Audio unit
AV-44
AUDIO
Revision: 2004 November
2004 Murano
MALFUNCTION WITH RADIO, TAPE AND CD (BOSE SYSTEM)
Make sure that other operation except audio system can be performed with A/C and AV switch. If these oper-
ations are inoperative with A/C and AV switch, refer to
AV-100, "A/C and AV Switch Does Not Operate"
out navigation system),
AV-187, "Unable to Operate All of A/C and AV Switches (Unable to Start Self-Diagno-
Poor sound
●
Audio unit
●
Speaker
Noisy
●
Audio unit
●
Each electrical equipment
Symptom
Check item
Symptom
Check item
Inoperative
●
Audio unit power supply circuit. Refer to
●
Audio communication line (Without Navigation System). Refer to
"Audio Communication Line Check"
●
Audio communication line (With Navigation System). Refer to
.
●
A/C and AV switch. Refer to
AV-50, "A/C and AV Switch Check"
.
●
Audio unit
Audio steering wheel switch dose not operate
●
Audio steering wheel switch. Refer to
AV-48, "Audio Steering Wheel Switch
●
A/C and AV switch. Refer to
AV-50, "A/C and AV Switch Check"
.
One or several speaker does not sound
●
BOSE speaker amp. power supply and ground circuit. Refer to
"Power Supply Circuit Inspection"
●
AV-55, "Front Door Speaker Check (BOSE
.
●
Rear door speaker. Refer to
AV-59, "Rear Door Speaker Check (BOSE Sys-
.
●
BOSE speaker amp.
●
Audio unit
Woofer does not sound
●
AV-63, "Woofer Check (BOSE System)"
●
BOSE speaker amp.
Speed sensitive volume system dose not work
●
Vehicle speed signal. Refer to
AV-64, "Vehicle Speed Signal Check"
.
●
Audio unit
Poor sound
●
Audio unit
●
BOSE speaker amp.
●
Speaker
●
Woofer
Noisy
●
Audio unit
●
BOSE speaker amp.
●
Each electrical equipment
AUDIO
AV-45
C
D
E
F
G
H
I
J
L
M
A
B
AV
Revision: 2004 November
2004 Murano
FOR RADIO ONLY
NOTE:
This is noise resulting from variations in field strength, such as fading noise and multi-path noise, or external
noise from trains and other sources. It is not a malfunction.
●
Fading noise: This noise occurs because of variations in the field strength in a narrow range due to moun-
tains or buildings blocking the signal.
●
Multi-path noise: This noise results from the waves sent directly from the broadcast station arriving at the
antenna at a different time from the waves which reflect off of mountains or buildings.
FOR CASSETTE PLAYER ONLY
FOR CD ONLY
Symptom
Check item
No sound
●
Audio unit
●
Antenna feeder
●
Antenna amp.
Noisy
●
Audio unit
●
Antenna feeder
●
Antenna amp.
●
Noise prevention parts
●
Each electrical equipment
●
Wire harness of each piece of electrical equipment
Selected radio stations stored in memory are deleted
Audio unit
Symptom
Check item
Cassette tape cannot be inserted
●
Cassette tape
●
Audio unit
Cassette tape cannot be ejected
Auto reverse does not work, or the tape direction changes in
the middle of play
There is much noise
The sound is not clear
Sound fluctuates/tape speed not correct
No sound
Symptom
Check item
CD cannot be inserted
●
CD
●
Audio unit
CD cannot be ejected
The CD cannot be played
The sound skips, stops suddenly, or is distorted
AV-46
AUDIO
Revision: 2004 November
2004 Murano
Noise Inspection
AKS005F3
The vehicle itself can be a source of noise if noise prevention parts or electrical equipment is malfunction.
Check if noise is caused and/or changed by engine speed, ignition switch turned to each position, and opera-
tion of each piece of electrical equipment, and determine the cause.
NOTE:
The source of the noise can be found easily by listening to the noise while removing the fuses of electrical
components, one by one.
TYPE OF NOISE AND POSSIBLE CAUSE
Occurrence condition
Check item
Occurs only when engine is ON
A continuous growling noise occurs. The speed of
the noise varies with changes in the engine speed
●
Ignition condenser
A whistling noise occurs while the engine speed is
high. A booming noise occurs while the engine is
running and the lighting switch is ON
●
Alternator
The occurrence of the noise is linked with the operation of the fuel pump
●
Fuel pump condenser
Noise only occurs when various
electrical components are oper-
ating
A cracking or snapping sound occurs with the
operation of various switches
●
Relay malfunction, radio malfunction
The noise occurs when various motors are operat-
ing
●
Motor case ground
●
Motor
The noise occurs constantly, not just under certain conditions
●
Poor ground of antenna amp. or antenna
feeder line
A cracking or snapping sound occurs while the vehicle is being driven, especially
when it is vibrating excessively
●
Ground wire of body parts
●
Ground due to incorrect installation of parts
●
Wiring connections or a short circuit
AUDIO
AV-47
C
D
E
F
G
H
I
J
L
M
A
B
AV
Revision: 2004 November
2004 Murano
Power Supply Circuit Inspection
AKS005F4
1.
CHECK FUSE
Make sure that the following fuses of the BOSE speaker amp. and audio unit are not blown.
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to
3, "POWER SUPPLY ROUTING CIRCUIT"
.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Check voltage between audio unit harness connector terminals
and ground.
2.
Check voltage between BOSE speaker amp. harness connector
terminal and ground.
OK or NG
OK
>>
●
INSPECTION END (Base system)
●
GO TO 3 (BOSE system).
NG
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BOSE speaker amp. connector.
3.
Check continuity between BOSE speaker amp. harness connec-
tor B114 terminal 17 (B) and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.
Unit
Signal
Fuse No.
Audio unit
Battery power supply
38
Ignition switch ACC or ON
6
BOSE speaker amp.
Battery power supply
38
Terminals
OFF
ACC
ON
(+)
(–)
Connector
Terminal
(Wire color)
M44
6 (Y)
Ground
Battery
voltage
Battery
voltage
Battery
voltage
10 (P/B)
Ground
0 V
Battery
voltage
Battery
voltage
Terminals
OFF
ACC
ON
(+)
(–)
Connector
Terminal
(Wire color)
B114
1 (Y)
Ground
Battery
voltage
Battery
voltage
Battery
voltage
SKIA8743E
SKIA9395E
17 – Ground
: Continuity should exist.
SKIA4312E
AV-48
AUDIO
Revision: 2004 November
2004 Murano
Power Supply and Ground Circuit Check for A/C and AV Switch
AKS00AJO
1.
CHECK FUSE
Make sure that the following fuses of the A/C and AV switch are not blown.
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to
3, "POWER SUPPLY ROUTING CIRCUIT"
2.
CHECK POWER SUPPLY CIRCUIT
Check voltage between A/C and AV switch harness connector termi-
nals and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect A/C and AV switch connector.
3.
Check continuity between A/C and AV switch harness connector
M48 terminal 5 (B) and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.
Audio Steering Wheel Switch Check
AKS0069B
1.
CHECK A/C AND AV SWITCH SELF-DIAGNOSIS FUNCTION
1.
Start A/C and AV switch self-diagnosis function. Refer to
AV-43, "A/C and AV Switch Self-Diagnosis Func-
.
2.
Operate audio steering wheel switch.
Does audio steering wheel switch operate normally?
YES
>> INSPECTION END
NO
>> GO TO 2.
Unit
Signal
Fuse No.
A/C and AV switch
Battery power supply
38
Ignition switch ACC or ON
6
Terminals
OFF
ACC
ON
(+)
(–)
Connector
Terminal
(Wire color)
M48
1 (Y)
Ground
Battery
voltage
Battery
voltage
Battery
voltage
2 (P/B)
0V
Battery
voltage
Battery
voltage
SKIA9396E
5 – Ground
: Continuity should exist.
PKIA2860E
AUDIO
AV-49
C
D
E
F
G
H
I
J
L
M
A
B
AV
Revision: 2004 November
2004 Murano
2.
CHECK AUDIO STEERING WHEEL SWITCH RESISTANCE
1.
Turn ignition switch OFF.
2.
Disconnect spiral cable connector.
3.
Check resistance audio steering wheel switch harness connec-
tor terminals.
OK or NG
OK
>> GO TO 3.
NG
>> Replace audio steering wheel switch.
3.
CHECK SPIRAL CABLE
1.
Disconnect spiral cable connector.
2.
Check continuity between combination switch (spiral cable) ter-
minals.
OK or NG
OK
>> GO TO 4.
NG
>> Replace spiral cable.
Terminal
Signal name
Condition
Resistance
(
Ω
)
16
17
Seek down
Depress (station) down switch.
Approx.165
Power
Depress power switch.
Approx.0
Volume (down)
Depress volume down switch.
Approx.652
20
Seek up
Depress (station) up switch.
Approx.165
Mode
Depress mode switch.
Approx.0
Volume (up)
Depress volume up switch.
Approx.652
SKIA9400E
Terminals
Continuity
Combination switch (spiral cable)
Connector
Terminal
Connector
Terminal
M31
32
M203
16
Yes
31
17
24
20
SKIB0521E
AV-50
AUDIO
Revision: 2004 November
2004 Murano
4.
CHECK HARNESS
1.
Disconnect A/C and AV switch connector.
2.
Check continuity between A/C and AV switch harness connector
terminals and combination switch (spiral cable) harness connec-
tor terminals.
3.
Check continuity between A/C and AV switch harness connector terminals and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.
A/C and AV Switch Check
AKS007H8
1.
CHECK A/C AND AV SWITCH SELF-DIAGNOSIS FUNCTION
1.
Start A/C and AV switch self-diagnosis function. Refer to
AV-43, "A/C and AV Switch Self-Diagnosis Func-
.
2.
Operate voluntary switch.
Does A/C and AV switch operate normally?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
CHECK A/C AND AV SWITCH POWER SUPPLY AND GROUND CIRCUIT
Check A/C and AV switch power supply and ground circuit. Refer to
AV-48, "Power Supply and Ground Circuit
OK or NG
OK
>> Replace A/C and AV switch.
NG
>> Repair malfunctioning parts.
Terminals
Continuity
A/C and AV switch
Combination switch
(spiral cable)
Connector
Terminal
(Wire color)
Connector
Terminal
(Wire color)
M48
13 (G)
M31
32 (G)
Yes
14 (B/W)
31 (B/W)
12 (R)
24 (R)
Terminals
Continuity
A/C and AV switch
Ground
Connector
Terminal (Wire color)
M48
12 (R)
No
13 (G)
14 (B/W)
SKIB0522E
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