2011 INFINITI QX56 Factory Service Manual

brake light turn signal bulb trunk release height adjustment ECO mode cruise control

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INFINITI QX56 2011 Factory Service Manual
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USB CONNECTOR ........................................ ..230
Removal and Installation ..................................... ..230
MICROPHONE ...................

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INFINITI QX56 2011 Factory Service Manual
AV-6
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000006225819
The Supplemental Restraint S

AV-6
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000006225819
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 severi ty of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and w hether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIR BAG” and “SEAT BELT” 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 that would result in air bag inflation, all maintenance must be performed by
an authorized NISS AN/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 “SRS AIR BAG”.
Do not use electrical test equipmen t on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identi fied 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 Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the ignition ON or engine running, DO NOT use air or electric 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 3 minu tes before performing any service.
Precaution for Trouble DiagnosisINFOID:0000000006216211
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:0000000006216212
AV COMMUNICATION SYSTEM
Solder the repaired parts, and wrap with tape. [Frays of twisted line must be within 110 mm (4.33 in).]
PKIA0306E
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Do not perform bypass wire connections for the repair parts. (The spliced wire will become separated and the characteristics of
twiste

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INFINITI QX56 2011 Factory Service Manual
AV-8
< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Commercial Service ToolsINFOID:0000000006274519
To o l D e s c r i p t i o n
Power tool Loosening screws
PBIC0191E
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INFINITI QX56 2011 Factory Service Manual
AV
COMPONENT PARTSAV-9
< SYSTEM DESCRIPTION >
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SYSTEM DESCRIPTION
COMPONENT PARTS
Component Parts LocationINFOID:0000000006216213
JSNIA3187ZZ
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INFINITI QX56 2011 Factory Service Manual
AV-10
< SYSTEM DESCRIPTION >
COMPONENT PARTS
Component Description
INFOID:0000000006216214
1. Squawker RH 2. Center speaker 3. Corner sensor front RH
4. Squawker LH 5. Front camera 6. Corner sensor f

AV-10
< SYSTEM DESCRIPTION >
COMPONENT PARTS
Component Description
INFOID:0000000006216214
1. Squawker RH 2. Center speaker 3. Corner sensor front RH
4. Squawker LH 5. Front camera 6. Corner sensor front LH
7. Side camera LH 8. Front door speaker LH 9. Headrest display unit LH
10. Rear door tweeter LH 11. Rear door speaker LH 12. Roof speaker LH
13. Woofer 14. Corner sensor rear LH 15. Satellite radio antenna
16. Rear camera 17. Corner sensor rear RH 18. BOSE amp.
19. Roof speaker RH 20. Antenna amp. 21. Rear door speaker RH
22. Rear door tweeter RH 23. Headrest display unit RH 24. Front door speaker RH
25. Side camera RH and infrared LED
(auxiliary lighting) 26. Front display unit 27. Steering switch
28. Sonar control unit 29. Steering angle sensor 30. Preset switch
31. Around view monitor control unit 32. USB connector 33. Front auxiliary input jacks
34. Rear auxiliary input jacks 35. AV control unit 36. Video distributor
37. Multifunction switch 38. GPS antenna 39. Microphone A. Luggage side lower finisher LH re-
moved condition B.Luggage side lower finisher RH re-
moved condition C.Headlining assembly removed condi-
tion
D. Instrument lower
panel LH removed
condition E. Spiral cable part F. Cluste
r lid C removed condition
G. Within center console H. Instrument panel rear side
Part name Description
AV control unit Integrates hard disk drive (HDD) allowing map data and music data to be stored.
It is the master unit of the MULTI AV system, and it is connected to each control
unit by communication. It operates each system according to communication sig-
nals from the AV control unit.
The AV control unit includes the audio, hands-free phone, navigation, USB con- nection, DVD play and vehicle information functions.
It is connected to ECM and combination meter via CAN communication to obtain
necessary information for the vehicle information function.
It inputs the illumination signals that are required for the front display dimming con- trol.
It inputs the signals for driving status recognition (vehicle speed, reverse and park- ing brake).
The RGB digital image signal and composite image signal are output to front dis-
play unit.
Switches image and sound output to video distributor, inputting image switch sig- nal from headrest display unit via AV communication.
Amp. ON signal and mode change signal transmitted to BOSE amp.
Update of map data is performed with the DVD-ROM.
Front display unit Front display image is controlled by the serial communication from AV control unit.
RGB digital image signal is input from AV control unit.
Composite image signal is input from AV control unit.
Camera image signal is input from around view monitor control unit.
Touch panel function can be operated for each system by touching a display di-
rectly.
Headrest display unit Composite image signal [USB (video data), DVD and auxiliary input images] is in-
put from the video distributor.
It receives the DVD/AUX/USB sound signal from the video distributor, and then transmits it to the headphones.
Outputs image switch signal to video distributor via hard wire, according to rear seat remote controller operation.
Outputs image switch signal to AV control unit via AV communication, according to
rear seat remote controller operation.
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COMPONENT PARTSAV-11
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Video distributor It receives the image signal and sound signal from the AV control unit and then
transmits it to the he

AV
COMPONENT PARTSAV-11
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Video distributor It receives the image signal and sound signal from the AV control unit and then
transmits it to the headrest display unit.
It receives the image signal and sound signal from the auxiliary input jacks and then transmits it to the headrest display unit.
Switches image and sound output to headrest display unit, inputting image switch
signal from headrest display unit via hard wire.
Front auxiliary input jacks Image signal and sound signal of auxiliary input is transmitted to AV control unit.
Rear auxiliary input jacks
(Mobile entertainment system) Image signal and sound signal of auxiliary input is transmitted to video distributor.
BOSE amp. Inputs sound signal from AV control unit, and outputs sound signal to each speaker.
Front door speaker Outputs sound signal from BOSE amp.
Outputs high, mid and low range sounds.
Rear door speaker Outputs sound signal from BOSE amp.
Outputs high, mid and low range sounds.
Squawker Outputs sound signal from BOSE amp.
Outputs high and mid range sounds.
Rear door tweeter Outputs sound signal from BOSE amp.
Outputs high range sounds.
Roof speaker Outputs sound signal from BOSE amp.
Outputs high and mid range sounds.
Center speaker Outputs sound signal from BOSE amp.
Outputs high and mid range sounds.
Woofer Outputs sound signal from BOSE amp.
Outputs low range sounds.
Multifunction switch Operation panel is equipped with the centralized switch where audio, auxiliary in-
put and navigation, etc. operations are integrated.
Connected with preset switch via hardwire and operation signal is transmitted to AV control unit via AV communication.
Preset switch Operation panel is equipped with the centralized switch where audio and air con-
ditioner, etc. operations are integrated.
Connected with multifunction switch via hardwire, and operation signal is transmit- ted to AV control unit via AV communication.
The disk ejection operating signal is performed by hardwire.
Steering switch Operations for audio, hands-free phone and navigation, etc. are possible.
Steering switch signal (operation signal) is output to AV control unit.
Around view monitor control unit It supplies power to front camera, rear camera, and side camera. And then it su-
perimposes the images from each camera and outputs them to front display unit.
Superimpose the guiding line, predicted course line and sonar indicator to the
camera image that outputs to front display unit.
It performs the reception/transmission of communication signal with each camera.
It transmits the sonar operation signal from sonar control unit and receives the so- nar information from sonar control unit via AV communication.
It transmits the information received/transmitted with sonar control unit via AV communication to AV control unit.
Front camera It inputs the power supply from around view monitor control unit and outputs the
image of the vehicle front to around view monitor control unit.
It performs the reception/transmission of the communication signal with around view monitor control unit.
Rear camera It inputs the power supply from around view monitor control unit and outputs the
image of the vehicle rear to around view monitor control unit.
It performs the reception/transmission of the communication signal with around view monitor control unit.
Side camera LH It inputs the power supply from around view monitor control unit and outputs the
image of the vehicle LH to around view monitor control unit.
It performs the reception/transmission of the communication signal with around view monitor control unit.
Part name Description
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INFINITI QX56 2011 Factory Service Manual
AV-12
< SYSTEM DESCRIPTION >
COMPONENT PARTS
*1: Image signals cannot be received from iPod®.
Side camera RH It inputs the power supply from around view monitor control unit and outputs the
image

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