2008 NISSAN TIIDA Rear

AUDIO
AV-5
< SERVICE INFORMATION >
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• to audio unit terminal 21 (with premium system)
• through body grounds M57 and M61 and
• to subwoofer terminal 3 (with premium system)
• through body grounds B7 and B19.
Then audio signals are supplied
• through audio unit terminals 2, 3, 4, 5, 11, 12, 13, and 14
• to terminals + and - of front door speaker LH and RH and
• to terminals + and - of tweeter LH and RH and
• to terminals + and - of rear door speaker LH and RH and
• to terminals 2 and 6 of subwoofer (with premium system).
Steering Wheel Audio Control Switches (with Bluetooth)
When one of steering wheel audio control switches is pushed, the resistance in steering switch circuit changes
depending on which button is pushed.
Satellite Radio Tuner (Pre-wiring)
The satellite radio tuner pre-wiring allows connection of a satellite radio tuner.
Power is supplied at all times
• through 20A fuse (No. 27, located in the fuse and fusible link box)
• to satellite radio tuner pre-wiring terminal 32.
With the ignition switch in the ACC or ON position, power is supplied
• through 10A fuse (No. 20, located in the fuse and fusible link box)
• to satellite radio tuner pre-wiring terminal 36.
Then audio signals are supplied
• through satellite radio tuner pre-wiring terminals 21, 22, 23 and 24
• to audio unit terminals 41, 42, 43 and 44.
Satellite Radio Tuner (Factory Installed)
Power is supplied at all times
• through 20A fuse (No. 27, located in the fuse and fusible link box)
• to satellite radio tuner terminal 32.
With the ignition switch in the ACC or ON position, power is supplied
• through 10A fuse (No. 20, located in the fuse and fusible link box)
• to satellite radio tuner terminal 36.
Ground is supplied through the case of the satellite radio tuner.
Then audio signals are supplied
• through satellite radio tuner terminals 21, 22, 23 and 24
• to audio unit terminals 41, 42, 43 and 44.
Ground is supplied through the case of the satellite radio tuner.
SPEED SENSITIVE VOLUME SYSTEM (MID LEVEL AND PREMIUM SYSTEM)
Volume level of this system goes up and down automatically in proportion to the vehicle speed. The control
level can be selected by the customer. Refer to Owner's Manual for operating instructions.

AUDIO
AV-15
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Audio Unit (Base System) Harness Connector Terminal LayoutINFOID:0000000001704653
Terminal and Reference Value for Audio Unit (Base System)INFOID:0000000001704654
WKIA5439E
Te r m i n a l
(Wire color)
ItemSignal
input/
outputCondition
Reference value
(Approx.)
+–Ignition
switchOperation
2 (W) 3 (BR) Audio signal front LH Output ON Receive audio signal
4 (V) 5 (R) Audio signal rear LH Output ON Receive audio signal
7 (LG) Ground ACC power supply Input ACC – Battery voltage
11 (G) 12 (SB) Audio signal front RH Output ON Receive audio signal
13 (LG) 14 (GR) Audio signal rear RH Output ON Receive audio signal
19 (BR) Ground Battery power supply Input OFF – Battery voltage
SKIB3609E
SKIB3609E
SKIB3609E
SKIB3609E

AV-16
< SERVICE INFORMATION >
AUDIO
Audio Unit (Mid Level and Premium System) Harness Connector Terminal Layout
INFOID:0000000001704655
Terminal and Reference Value for Audio Unit (Mid Level and Premium System)
INFOID:0000000001704656
WKIA5440E
Te r m i n a l
(Wire color)
ItemSignal
input/
outputCondition
Reference value
(Approx.)Example of symp-
tom
+–Ignition
switchOperation
2 (W) 3 (BR)Audio sound
signal front
LHOutput ONReceive audio
signalNo sound from
front door speaker
LH or tweeter LH.
4 (V) 5 (R)Audio sound
signal rear
LHOutput ONReceive audio
signalNo sound from
rear door speaker
LH or subwoofer
LH.
6 (L)*2 GroundRemote
control AInput ONPress Phone/
End switch0V
Steering wheel au-
dio controls do not
function Press SEEK UP
switch1.7V
Press VOL UP
switch3.3V
Except for
above5.0V
7 (LG) Ground ACC signal Input ONIgnition switch
ACC or ONBattery voltageSystem does not
work properly.
11 (G) 12 (SB)Audio sound
signal front
RHOutput ONReceive audio
signalNo sound from
front door speaker
RH or tweeter RH.
SKIA0177E
SKIA0177E
SKIA0177E

AUDIO
AV-17
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13 (LG) 14 (GR)Audio sound
signal rear
RHOutput ONReceive audio
signalNo sound from
rear door speaker
RH or subwoofer
RH.
15 (B)*2 –Remote
control
groundInput – – –Steering wheel au-
dio controls do not
function
16 (P)*2 GroundRemote
control BInput ONPress Phone/
Send switch0V
Steering wheel au-
dio controls do not
function Press SEEK
DOWN switch1.7V
Press VOL
DOWN switch3.3V
Except for
above5.0V
18 (SB) GroundVehicle
speed signal
(8–pulse)Input ONWhen vehicle
speed is approx.
40 km/h (25
MPH)Speed sensitive
volume is inopera-
tive.
19 (BR) GroundBattery pow-
erInput – – Battery voltageSubwoofer will not
work properly.
21 (B)*2 GroundEQ selec-
tion–ON –0V (with mid level)
12V (with premium)Wrong EQ will
cause sub woofer
to be inoperative
22*1 – Shield – – – – –
26 (R)*1 24 (G)Audio sig-
nal sub-
wooferInput – – Audio signalSubwoofer will not
work properly.
28
(BR)*1GroundSubwoofer
amp. ON
signalOutput ON – 12VSubwoofer will not
work properly.
27 (O)*2 –Bluetooth
ONOutput ONAudio unit sends
power signal to
Bluetooth con-
trol unit– Mute inoperative
31
(LG)*233 (V)*2 Audio out OutputACC/
ONAudio unit re-
ceives audio
signal from
Bluetooth con-
trol unitBluetooth can not
be heard.
35*2 – Shield – – – – –Te r m i n a l
(Wire color)
ItemSignal
input/
outputCondition
Reference value
(Approx.)Example of symp-
tom
+–Ignition
switchOperation
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PKIC0643E
SKIB3609E

AUDIO
AV-21
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and M45 first followed by M43 last. If the subwoofer is inoperative, be sure to check this condition. Refer to AV-
34, "Sound Is Not Heard from Subwoofer (Premium System)" .
• The majority of the audio malfunctions are the result of outside causes (damaged CD, electromagnetic inter-
ference, etc.). Check the symptoms below to diagnose the malfunction.
• The vehicle itself can be a source of noise if noise prevention parts or electrical equipment is malfunctioning.
Check if noise is caused and/or changed by engine speed, ignition switch turned to each position, and oper-
ation of each piece of electrical equipment, and then determine the cause.
NOTE:
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 that reflect off of mountains or buildings.
Noise InspectionINFOID:0000000001704662
The vehicle itself can be a source of noise if noise prevention parts or electrical equipment is malfunctioning.
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
Symptom Check item
Audio system does not work properly.• Audio unit power supply circuit. Refer to AV- 2 2 , "
Power Supply
Circuit Inspection" .
• Audio unit. Refer to "Trouble Diagnosis" .
No sound can be heard from all speakers. Audio unit. Refer to "Trouble Diagnosis" .
No sound can be heard from one or several speakers.• Open or short in audio signal circuit between audio unit and front
speaker. Refer to AV- 2 9 , "
Sound Is Not Heard from Front Door
Speaker (Base System)" or AV- 3 1 , "Sound Is Not Heard from
Front Door Speaker or Tweeter (Mid Level and Premium Sys-
tem)" .
• Front speaker. Refer to AV- 2 9 , "
Sound Is Not Heard from Front
Door Speaker (Base System)" or AV- 3 1 , "Sound Is Not Heard
from Front Door Speaker or Tweeter (Mid Level and Premium
System)" .
• Open or short in audio signal circuit between audio unit and rear
speaker. Refer to AV- 3 0 , "
Sound Is Not Heard from Rear Door
Speaker (Base System)" or AV- 3 2 , "Sound Is Not Heard from
Rear Door Speaker (Mid Level and Premium System)" .
• Rear speaker. Refer to AV- 3 0 , "
Sound Is Not Heard from Rear
Door Speaker (Base System)" or AV- 3 2 , "Sound Is Not Heard
from Rear Door Speaker (Mid Level and Premium System)" .
• Tweeter (mid level and premium system) AV- 3 1 , "
Sound Is Not
Heard from Front Door Speaker or Tweeter (Mid Level and Pre-
mium System)" or AV- 3 2 , "Sound Is Not Heard from Rear Door
Speaker (Mid Level and Premium System)" .
• Subwoofer (premium system). Refer to AV- 3 4 , "
Sound Is Not
Heard from Subwoofer (Premium System)" .
• Audio unit. Refer to AV- 2 2 , "
Power Supply Circuit Inspection" .
No sound can be heard from radio or noise is heard.• Antenna feeder. Refer to AV- 4 1
.
• Antenna. Refer to AV- 4 1
.
• Audio unit. Refer to AV- 2 2 , "
Power Supply Circuit Inspection" .

AV-22
< SERVICE INFORMATION >
AUDIO
Power Supply Circuit Inspection
INFOID:0000000001704663
1.CHECK FUSE
Check that the following fuses of the subwoofer (premium system) and audio unit are not blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of blown fuse before installing new fuse. Refer to PG-
3 .
2.AUDIO UNIT POWER SUPPLY CIRCUIT CHECK
1. Disconnect audio unit connector.
2. Check voltage between the audio unit and ground.
OK or NG
OK >> With premium system, GO TO 3.
NG >> • Check connector housings for disconnected or loose
terminals.
• Repair harness or connector.
3.SUBWOOFER (PREMIUM SYSTEM) POWER SUPPLY CIRCUIT CHECK
1. Disconnect subwoofer connector.
Occurrence condition Possible cause
Occurs only when engine is ON.A continuous growling noise occurs. The speed of
the noise varies with changes in the engine speed.Ignition components
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.Generator
Noise only occurs when various
electrical components are oper-
ating.A cracking or snapping sound occurs with the op-
eration 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.• Rear defogger coil malfunction
• Open circuit in printed heater
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 improper part installation
• Wiring connections or a short circuit
Unit Terminals Signal name Fuse No.
Audio unit19 Battery power 27
7 Ignition switch ACC or ON 20
Subwoofer (with premium audio) 1 Ignition switch ACC or ON 27
UnitTe r m i n a l N o .
OFF ACC ON (+)
(-)
Connector Terminal
Audio unit M4319 GroundBattery
voltageBattery
voltageBattery
voltage
7Ground0VBattery
voltageBattery
voltage
WKIA5345E

AV-30
< SERVICE INFORMATION >
AUDIO
4. Check the signal between audio unit harness connector termi-
nals with CONSULT-III or oscilloscope.
OK or NG
OK >> Replace speaker. Refer to AV-36, "Removal and Instal-
lation" or AV-36, "Removal and Installation" .
NG >> Replace audio unit. Refer to AV-36, "
Removal and
Installation" .
Sound Is Not Heard from Rear Door Speaker (Base System)INFOID:0000000001704670
1.HARNESS CHECK
1. Disconnect audio unit connector and rear door speaker connector.
2. Check continuity between audio unit (A) connector terminal and
rear door speaker (B) connector terminal.
3. Check continuity between audio unit harness connector terminal
and ground.
OK or NG
OK >> GO TO 2.
NG >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.REAR SPEAKER SIGNAL CHECK
Te r m i n a l s
Condi-
tionReference
signal (+) (-)
Con-
nec-
torTe r m i -
nalCon-
nec-
torTe r m i -
nal
M432
M433
Receive
audio
signal 11 1 2
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SKIA0177E
Te r m i n a l s
Continuity AB
Connector Terminal Connector Terminal
M435
D207-
Ye s 4+
14
D307-
13 +
Te r m i n a l s
Continuity Audio unit
—
Connector Terminal
M435
Ground No 4
14
13
WKIA5353E

AUDIO
AV-31
< SERVICE INFORMATION >
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1. Connect audio unit connector and rear speaker connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector termi-
nals with CONSULT-III or oscilloscope.
OK or NG
OK >> Replace speaker. Refer to AV-36, "Removal and Instal-
lation" .
NG >> Replace audio unit. Refer to AV-36, "
Removal and
Installation" .
Sound Is Not Heard from Front Door Speaker or Tweeter (Mid Level and Premium Sys-
tem)
INFOID:0000000001704671
1.HARNESS CHECK
1. Disconnect audio unit connector and front door speaker and tweeter connector (LH or RH).
2. Check continuity between audio unit harness connector terminal
and front door speaker and tweeter harness connector terminal.
3. Check continuity between audio unit harness connector terminal
and ground.
Te r m i n a l s
Condi-
tionReference
signal (+) (-)
Con-
nectorTe r m i -
nalCon-
nectorTe r m i -
nal
M434
M435
Receive
audio
signal 13 14
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SKIA0177E
Te r m i n a l s
Continuity Audio unit. Speaker or tweeter
Connector Terminal Connector Terminal
M432
M46+
Ye s 3-
11
M47+
12 -
2
D12+
3-
11
D112+
12 -
WKIA5351E