AV-2
SYMPTOM DIAGNOSIS .............................48
AUDIO SYSTEM ............................................. ...48
Symptom Table ................................................... ...48
NORMAL OPERATING CONDITION ................51
Description ........................................................... ...51
REMOVAL AND INSTALLATION ...............53
AUDIO UNIT ................................................... ...53
Exploded View ..................................................... ...53
Removal and Installation ........................................53
FRONT DOOR SPEAKER .............................. ...54
Removal and Installation ..................................... ...54
REAR DOOR SPEAKER ................................ ...55
Removal and Installation ..................................... ...55
BLUETOOTH® CONTROL UNIT ......................56
Removal and Installation ........................................56
BLUETOOTH® ANTENNA ................................57
Removal and Installation ..................................... ...57
STEERING SWITCH ..........................................58
Removal and Installation ..................................... ...58
MICROPHONE ...................................................59
Removal and Installation ..................................... ...59
ROD ANTENNA .................................................60
Exploded View ..................................................... ...60
Removal and Installation ........................................60
ANTENNA FEEDER ....................................... ...61
Feeder Layout ..................................................... ...61
DISPLAY AUDIO
PRECAUTION .............. ...............................
62
PRECAUTIONS .............................................. ...62
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .............................................................. ...
62
Precaution for Trouble Diagnosis ...........................62
Precaution for Harness Repair ...............................62
Precaution for Work ................................................63
PREPARATION ...........................................64
PREPARATION .............................................. ...64
Special Service Tools .......................................... ...64
Commercial Service Tools ......................................64
SYSTEM DESCRIPTION ............................65
COMPONENT PARTS .................................... ...65
Component Parts Location .................................. ...65
Audio Unit ...............................................................65
Speaker ..................................................................66
USB Interface and AUX In Jack .............................66
Steering Wheel Audio Control Switches .............. ...67
Microphone .............................................................67
Rear View Camera ..................................................67
Rod Antenna, Antenna Amp., Satellite Antenna
and Antenna Feeder ...............................................
67
SYSTEM ............................................................69
System Description .............................................. ...69
DIAGNOSIS SYSTEM (AUDIO UNIT) ...............71
Description ........................................................... ...71
On Board Diagnosis Function .................................71
ECU DIAGNOSIS INFORMATION .............76
AUDIO UNIT ......................................................76
Reference Value .................................................. ...76
WIRING DIAGRAM ....................................80
DISPLAY AUDIO ............................................ ...80
Wiring Diagram .................................................... ...80
BASIC INSPECTION ..................................91
DIAGNOSIS AND REPAIR WORKFLOW ...... ...91
Work Flow ............................................................ ...91
INSPECTION AND ADJUSTMENT ...................93
REGISTRATION (AUDIO UNIT) ............................ ...93
REGISTRATION (AUDIO UNIT) : Description ........93
REGISTRATION (AUDIO UNIT) : Work Proce-
dure .........................................................................
93
DTC/CIRCUIT DIAGNOSIS ........................95
POWER SUPPLY AND GROUND CIRCUIT .. ...95
AUDIO UNIT ........................................................... ...95
AUDIO UNIT : Diagnosis Procedure .......................95
FRONT DOOR SPEAKER .................................96
Diagnosis Procedure ............................................ ...96
REAR DOOR SPEAKER ...................................98
Diagnosis Procedure ............................................ ...98
REAR VIEW CAMERA IMAGE SIGNAL CIR-
CUIT ..................................................................
100
Diagnosis Procedure ............................................ .100
MICROPHONE SIGNAL CIRCUIT ...................102
Diagnosis Procedure ............................................ .102
STEERING SWITCH .........................................104
Diagnosis Procedure ............................................ .104
USB CONNECTOR ..........................................106
Diagnosis Procedure ............................................ .106
AUXILIARY INPUT JACK ................................107
Diagnosis Procedure ............................................ .107
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AV-14
< SYSTEM DESCRIPTION >[BASE AUDIO]
DIAGNOSIS SYSTEM (AUDIO UNIT)
DIAGNOSIS SYSTEM (AUDIO UNIT)
Diagnosis DescriptionINFOID:0000000012432871
The audio unit on board diagnosis performs the functions listed in the table below:
On Board Diagn
osis FunctionINFOID:0000000012432872
METHOD OF STARTING
Hardware/Software Versions and Speaker Channel Check
1. Turn the ignition ON.
2. Turn the audio system OFF.
3. While pressing the preset 1 butt on, turn the volume control dial
clockwise or counterclockwise 30 clicks or more.
4. Initially, all display segments will be illuminated.
5. To exit hardware/software versions and speaker channel check, turn the ignition OFF.
Communication Diagnosis
1. Turn the ignition ON.
2. Turn the audio system OFF.
Mode Description
Hardware/Software Versions The following information is available for the audio unit:
• hardware version.
• software version.
• EQ pin info.
Speaker Channel Check The connection of the speakers to the audio unit can be confirmed.
Communication Diagnosis The AV communication (M-CAN) message history can be monitored.
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DIAGNOSIS SYSTEM (AUDIO UNIT)AV-15
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3. While pressing the preset 6 button, turn the volume control dial clockwise or counterclockwise 30 clicks or more.
4. Initially, the communication diagnosis mode is displayed.
5. To exit communication diagnosis, turn the ignition OFF.
SELF DIAGNOSIS MODE
Hardware/Software Versions
1. Press the DISP button to enter versions display, and the audio head unit software version is displayed.
2. With each additional press of the DISP button, the following information is available:
- HARD V###### (hardware version)
- EEP V###### (EEPROM version)
- @@@@ EQ1-4 # (EQ pin info) If an EQ error is present, INVALID EQ is displayed
3. Hold the DISP button down to return to all display segments screen.
Speaker Channel Check
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AV-16
< SYSTEM DESCRIPTION >[BASE AUDIO]
DIAGNOSIS SYSTEM (AUDIO UNIT)
1. Press the RPT/DRM button to enter speaker channel check, and
the front left tweeter (front tweeter LH) is displayed.
2. With each additional press of the RPT/DRM button, the following information is available:
- FR RIGHT TWEETER (front tweeter RH)
- FR RIGHT (front door speaker RH)
- RR RIGHT (rear speaker RH)
- RR LEFT (rear speaker LH)
- FR LEFT (front door speaker LH)
3. Hold the RPT/DRM button down to return to all display segments screen.
Communication Diagnosis
1. Press the DISP button, and the M-CAN message transmission error history screen is displayed.
2. Press the DISP button again, and the TEL $$ nn (CMF message reception error history from M-CAN TEL)
screen is displayed.
3. Press the DISP button again, and the TROUBLE DE L. (deletion of M-CAN message communication his-
tory) screen is displayed. To retain the M-CAN message communication history and return to the commu-
nication diagnosis mode screen, press the DISP button.
4. To proceed to the M-CAN message communication history deletion screen, press the SEEK/TRACK button. The REC DEL-NO? (selection of M-CAN mess age communication history deletion) screen is dis-
played. To cancel M-CAN message communication hi story deletion, wait 6 seconds and you will be
returned to the TROUBLE DEL. (deletion of M-CAN message communication history) screen. To proceed
with M-CAN message communication history del etion, press the SEEK/TRACK button again.
5. The REC DEL-YES?@ (selection of M-CAN message communication history deletion) screen is dis-
played. To cancel M-CAN message communication hi story deletion, press the SEEK/TRACK button
and you will be returned to the REC DEL-NO? (selec tion of M-CAN message communication history dele-
tion) screen. To proceed with M-CAN message communication history deletion, wait 6 seconds and the
communication history deletion will be executed. Af ter the communication history deletion has been exe-
cuted, you will be returned to the TROUBLE DEL. (deletion of M-CAN message communication history)
screen. To return to the communication di agnosis mode screen, press the DISP button.
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AUDIO SYSTEMAV-49
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RELATED TO HANDS-FREE PHONE
• Before performing diagnosis, confirm that the cellular phone being used by the customer is compatible with the vehicle.
• It is possible that a malfunction is occurring due to a version change of the phone even thoug\
h the phone is a compatible type. This can be confirmed by changing the cellular phone to another compatible type, and
check that it operates normally. It is important to determine whether the c ause of the malfunction is the vehi-
cle or the cellular phone.
Check Compatibility
1. Make sure the customer’s Bluetooth® related concern is understood.
2. Verify the customer’s concern. NOTE:
The customer’s phone may be required, depending upon their concern.
3. Write down the customer’s phone brand, model and service provider. NOTE:
It is necessary to know the service provider. On occasion, a given phone may be on the approved list with
one provider, but may not be on the approved list with other providers.
4. Go to “www.nissanusa.com/bluetooth/”.
a. Using the website’s search engine, find out if the customer’s phone is on the approved list.
b. If the customer’s phone is NOT on the approved list: Stop diagnosis here. The customer needs to obtain a Bluetooth
® phone that is on the approved list before
any further action.
c. If the feature related to the customer’s concern shows as “N” (not compatible):
Stop diagnosis here. If the customer still wants the feature to function, they will need to get an approved
phone showing the feature as “Y” (compatible) in the “Basic Features”.
d. If the feature related to the customer ’s concern shows as “Y” (compatible):
Perform diagnosis as per the following table.
No radio reception or poor reception. • Other audio sounds are normal.
• Any radio station cannot be received or
poor reception is caused even after mov-
ing to a service area with good reception
(e.g. a place with clear view and no ob-
stacles generating external noises). • Antenna amp. ON signal circuit malfunc-
tion.
Refer to AV- 1 8 , "Reference Value".
• Poor connector connection of antenna or antenna feeder.
Refer to AV- 6 1 , "
Feeder Layout".
Buzz/rattle sound from speaker The majority of buzz/rattle sounds are not
indicative of an issue with the speaker, usu-
ally something nearby the speaker is caus-
ing the buzz/rattle.Refer to "SQUEAK AND RATTLE TROU-
BLE DIAGNOSIS" in the appropriate interi-
or trim section.
Symptoms
Check itemsProbable malfunction location
Symptoms Check itemsProbable malfunction location
Does not recognize cellular phone connec-
tion (no connection is displayed on the dis-
play at the guide). Repeat the registration of cellular phone.
Malfunction in audio unit.
Refer to AV- 1 4 , "
On Board Diagnosis Func-
tion".
Hands-free phone cannot be established. • Hands-free phone operation can be
made, but the communication cannot be
established.
• Hands-free phone operation can be per- formed, however, voice between each
other cannot be heard during the conver-
sation.
The other party’s voice cannot be heard by
hands-free phone. Check the “microphone speaker” in Inspec-
tion & Adjustment Mode if sound is heard.
Originating sound is not heard by the other
party with hands-free phone communica-
tion. Sound operation function is normal.
Sound operation function does not work.
Microphone signal circuit malfunction.
Refer to AV- 4 4 , "
Diagnosis Procedure".
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AV
NORMAL OPERATING CONDITIONAV-51
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NORMAL OPERATING CONDITION
DescriptionINFOID:0000000012432888
RELATED TO NOISE
The majority of the audio concerns are the result of outside causes (bad CD, electromagnetic interference,
etc.).
The following noise results 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 mountains or buildings.
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
RELATED TO HANDS-FREE PHONE
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
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 op-
eration of various switches.
• Relay malfunction, audio unit 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
• Poor ground of 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 improper part installation
• Wiring connections or a short circuit
Symptom
Cause and Counter measure
Does not recognize cellular phone connection (No connection is
displayed on the display at the guide). Some Bluetooth
® enabled cellular phones may not be recognized
by the in-vehicle phone module.
Refer to “RELATED TO HANDS-FREE PHONE (Check Compati-
bility)” in AV- 4 8 , "
Symptom Table".
Cannot use hands-free phone. Customer will not be able to use a hands-free phone under the fol-
lowing conditions:
• The vehicle is outside of the telephone service area.
• The vehicle is in an area where it is difficult to receive radio
waves; such as in a tunnel, in an underground parking garage,
near a tall building or in a mountainous area.
• The cellular phone is locked to prevent it from being dialed.
NOTE:
While a cellular phone is connected through the Bluetooth
® wire-
less connection, the battery power of the cellular phone may dis-
charge quicker than usual. The Bluetooth
® Hands-Free Phone
System cannot charge cellular phones.
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AV-62
< PRECAUTION >[DISPLAY AUDIO]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint Syst
em (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000012432945
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SR and SB section of
this Service Manual.
WARNING:
• To avoid rendering the SRS inopera tive, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintent ional activation of the system. For re moval of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipmen t on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harn esses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electri c power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers , always switch the Ignition OFF, disconnect the
battery and wait at least three minutes before performing any service.
Precaution for Trouble DiagnosisINFOID:0000000012432946
AV COMMUNICATION SYSTEM
• Do not apply voltage of 7.0 V or higher to the measurement terminals.
• Use the tester with its open terminal voltage being 7.0 V or less.
• Be sure to turn ignition switch OFF and disconnect the battery cable from\
the negative terminal before checking the circuit.
Precaution for Harness RepairINFOID:0000000012432947
AV COMMUNICATION SYSTEM
• Solder the repaired parts, and wrap with tape. [Frays of twisted line
must be within 110 mm (4.33 in).]
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PRECAUTIONSAV-63
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• Do not perform bypass wire connections for the repair parts. (The spliced wire will become separated and the characteristics of
twisted line will be lost.)
Precaution for WorkINFOID:0000000012432948
• When removing or disassembling each component, be ca reful not to damage or deform it. If a component
may be subject to interference, be sure to protect it with a shop cloth.
• When removing (disengaging) components with a screwdriver or similar tool, be sure to wrap the component with a shop cloth or vinyl tape to protect it.
• Protect the removed parts with a shop cloth and prevent them from being dropped.
• Replace a deformed or damaged clip.
• If a part is specified as a non-reusabl e part, always replace it with a new one.
• Be sure to tighten bolts and nuts securely to the specified torque.
• After installation is complete, be sure to check that each part works properly.
• Follow the steps below to clean components:
- Water soluble dirt:
• Dip a soft cloth into lukewarm water, wring the water out of the cloth and wipe the dirty area.
• Then rub with a soft, dry cloth.
-Oily dirt:
• Dip a soft cloth into lukewarm water with mild detergent (concentration: within 2 to 3%) and wipe the dirty area.
• Then dip a cloth into fresh water, wring the water out of the cloth and wipe the detergent off.
• Then rub with a soft, dry cloth.
- Do not use organic solvent such as thinner, benzene, alcohol or gasoline.
- For genuine leather seats, use a genuine leather seat cleaner.
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