2009 INFINITI QX56 remote control

AV-20
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
REAR VIEW MONITOR SYSTEM
Component Description
INFOID:0000000003776779
10. Rear audio remote control unit R204 11. Microphone R109 12. Front door speaker
LH D12
RH D112
13. Rear door tweeter LH D208
RH D308 14. Rear door speaker
LH D207
RH D307 15. Back door speaker
LH D518
RH D716
16. Subwoofer B72 (under driver’s seat) 17. BOSE speaker amp M112, M113 (view behind instrument panel above
accelerator pedal)18. Rear view camera control unit B73
(located behind luggage finisher LHl)
19. Rear view camera D504
Part name Description
AV control unit Communication signal is sent from rear view camera control unit
Rear view camera control unit • Receives reverse signal from back-up lamp relay
• Receives rear view camera image signal
• Sends camera ON signal to rear view camera
• Sends image signal to display unit
Rear view camera • Receives camera ON signal from rear view camera control unit
• Sends image signal to rear view camera control unit
Display unit Recieves and displays image signal from rear view camera control unit
Revision: December 20092009 QX56

AV
DVD PLAYERAV-21
< FUNCTION DIAGNOSIS > [AUDIO SYSTEM]
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DVD PLAYER
System DiagramINFOID:0000000003776780
System DescriptionINFOID:0000000003776781
The DVD entertainment system consists of the following components
• AV control unit
• DVD player
• Video monitor
• A/C and AV switch assembly
• Steering wheel AV control switches
• Rear audio remote control unit
• BOSE speaker amp.
• Front tweeters
• Front door speakers
• Center speaker
• Rear door tweeters
• Rear door speakers
• Back door speakers
• Subwoofer
When the DVD entertainment system is on, video signals are sent from the DVD player to the video monitor.
Audio signals are sent to the AV control unit. Audio signals can be directed through wireless infrared head-
phones or through the BOSE speaker amp. to the vehicle speakers. Refer to the Owner’s Manual for complete
DVD entertainment system operating instructions.
AWNIA1550GB
Revision: December 20092009 QX56

AV-22
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
DVD PLAYER
Component Parts Location
INFOID:0000000003776782
Component DescriptionINFOID:0000000003776783
1. Steering wheel audio control switches 2. AV control unit M42, M43, M44, M45, M97, M124, M1253. A/C and AV switch assembly M98
4. DVD player M205 (located in center console) 5. Rear audio remote control unit R204 6. Video monitor R202
AWNIA1551ZZ
Part name
Description
DVD player • Outputs DVD video to video monitor
• Outputs DVD audio to the AV control unit
Video monitor • Receives and displays the DVD video signal
AV control unit • Controls audio system and DVD entertainment system functions
BOSE speaker amp. • Recieves audio signals from the AV control unit
• Outputs amplified audio signals to the speakers
A/C and AV switch assembly • All audio and A/C operations can be operated
• Switch signal is output to the AV control unit and A/C auto amp
Rear audio remote control unit • Audio and DVD functions can be operated
• Switch signal is output to the AV control unit
• Receives audio signal from AV control unit for headphones
Steering wheel audio control switches • Audio operation can be operated
• Steering switch signal (operation signal) is output to AV control unit
Front door speakers • Outputs audio signal from BOSE speaker amp.
• Outputs high, mid and low range sounds
Front tweeters • Outputs audio signal from BOSE speaker amp.
• Outputs high range sounds
Center speaker • Outputs audio signal from BOSE speaker amp.
• Outputs high, mid and low range sounds
Revision: December 20092009 QX56

AV-26
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
HANDS-FREE PHONE SYSTEM
Component Description
INFOID:0000000003776787
10. Rear audio remote control unit R204 11. Microphone R109 12. Front door speaker
LH D12
RH D112
13. Rear door tweeter LH D208
RH D308 14. Rear door speaker
LH D207
RH D307 15. Back door speaker
LH D518
RH D716
16. Subwoofer B72 (under driver’s seat) 17. BOSE speaker amp M112, M113 (view behind instrument panel above
accelerator pedal)18. Rear view camera control unit B73
(located behind luggage finisher LHl)
19. Rear view camera D504
Part name Description
AV control unit • Receives telephone voice signal from Antenna and Microphone
• Sends telephone voice and voice guidance signals to the speakers
BOSE speaker amp. • Recieves audio signals from the AV control unit
• Outputs amplified audio signals to the speakers.
Front door speaker Receives telephone voice and voice guidance signals from the AV control unit
through the BOSE speaker amp.
Front tweeter
Center speaker
Steering switches • Start a voice recognition session
• Answer and end telephone calls
• Adjust the volume level
Microphone Sends voice signals to Bluetooth control unit
Bluetooth antenna Sends telephone voice signal to Bluetooth control unit
Revision: December 20092009 QX56

AV-156
< SYMPTOM DIAGNOSIS >[AUDIO SYSTEM]
MULTI AV SYSTEM
DVD PLAYER
Symptom
Possible causeReference page
DVD player inoperative • Power supply and ground circuits
• DVD player •
AV- 7 4
•AV- 1 5 3
No sound when playing a DVD • Audio signal circuits
• AV control unit
• DVD player •
AV- 8 4•AV- 6 8
•AV- 7 4
Video monitor is inoperative/does not display properly • Power supply and ground circuits
• Video out circuit
• DVD player
• Display monitor •
AV- 7 5•AV- 1 5 3
•AV- 7 4
•AV- 7 5
DVD remote control is inoperative/does not operate
properly • DVD player
• Rear audio remote control unit •
AV- 7 4
•AV- 1 0 9
Headphones inoperative • Headphone batteries
• Headphone audio signal circuits from AV control unit
• AV control unit
• Rear audio remote control unit •
AV- 1 5 3•AV- 1 0 9
•AV- 1 0 9
Revision: December 20092009 QX56

AV
REAR AUDIO REMOTE CONTROL UNITAV-179
< ON-VEHICLE REPAIR > [AUDIO SYSTEM]
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REAR AUDIO REMOTE CONTROL UNIT
Removal and InstallationINFOID:0000000003776912
REMOVAL
CAUTION:
Wrap removal tool with clean shop cl oth to prevent damage to the headliner.
1. Carefully remove the rear audio remote control unit from the rear roof console assembly (1).
2. Disconnect connectors and remove the rear audio remote con- trol unit.
INSTALLATION
Installation is in the reverse order of removal.
ALNIA0276ZZ
Revision: December 20092009 QX56

BCS
BCS-1
ELECTRICAL & POWER CONTROL
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SECTION BCS
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CONTENTS
BODY CONTROL SYSTEM
BCM
BASIC INSPECTION ....... .............................
3
INSPECTION AND ADJU STMENT .....................3
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT .................................................... ......
3
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description ..................................
3
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement .......
3
CONFIGURATION ................................................. ......3
CONFIGURATION : Description ...............................3
CONFIGURATION : Special Repair Requirement ......4
FUNCTION DIAGNOSIS .. .............................5
BODY CONTROL SYSTEM ........................... .....5
System Description ............................................. ......5
Component Parts Location ........................................6
COMBINATION SWITCH READING SYSTEM
.....
7
System Diagram .................................................. ......7
System Description ...................................................7
Component Parts Location ......................................10
SIGNAL BUFFER SYSTEM ...............................12
System Diagram .................................................. ....12
System Description .................................................12
POWER CONSUMPTION CONTROL SYS-
TEM ....................................................................
13
System Diagram .................................................. ....13
System Description .................................................13
Component Parts Location ......................................15
DIAGNOSIS SYSTEM (BCM) ............................16
COMMON ITEM ..................................................... ....16
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) .....................................................
16
BCM ....................................................................... ....16
BCM : CONSULT-III Function (BCM - BCM) ...........16
DOOR LOCK .......................................................... ....17
DOOR LOCK : CONSULT-III Function (BCM -
DOOR LOCK) ..........................................................
17
REAR WINDOW DEFOGGER ............................... ....17
REAR WINDOW DEFOGGER : CONSULT-III
Function (BCM - REAR DEFOGGER) .....................
18
BUZZER ................................................................. ....18
BUZZER : CONSULT-III Function (BCM - BUZZ-
ER) ..........................................................................
18
INT LAMP ............................................................... ....18
INT LAMP : CONSULT-III Function (BCM - INT
LAMP) ......................................................................
18
MULTIREMOTE ENT ............................................. ....19
MULTIREMOTE ENT : CONSULT-III Function
(BCM - MULTIREMOTE ENT) .................................
20
HEADLAMP ........................................................... ....21
HEADLAMP : CONSULT-III Function (BCM -
HEAD LAMP) ...........................................................
21
WIPER .................................................................... ....22
WIPER : CONSULT-III Function (BCM - WIPER) ....22
FLASHER ............................................................... ....23
FLASHER : CONSULT-III Function (BCM -
FLASHER) ...............................................................
23
AIR CONDITIONER ............................................... ....23
AIR CONDITIONER : CONSULT-III Function
(BCM - AUTO AIR CONDITIONER) ........................
24
INTELLIGENT KEY ................................................ ....24
INTELLIGENT KEY : CONSULT-III Function
(BCM - INTELLIGENT KEY) ....................................
24
Revision: December 20092009 QX56

BCS-14
< FUNCTION DIAGNOSIS >[BCM]
POWER CONSUMPTION CONTROL SYSTEM
Sleep condition
Wake-up operation
 BCM transmits sleep wake up signal (wake up) to eac
h unit when any condition listed below is established,
and then goes into normal mode from low power consumption mode.
 Each unit starts transmissions with CAN communication by receiving sleep wake up signals. Each unit trans-
mits wake up signals to BCM with CAN communication to convey the start of CAN communication.
Wake-up condition
CAN sleep condition B CM sleep condition
 Receiving the sleep-ready signal (ready) from all units
 Ignition switch: OFF
 Vehicle security system alarm: No operation
 Warning lamp: No operation
 Warning chime: No operation
 Stop lamp switch: OFF
 Key switch status: No change for 2 seconds
 Hazard warning lamp: No operation
Exterior lamp: OFF
 Door lock status: No change for 2 seconds
 CONSULT-III communication status: No communication
 Door switch status: No change for 2 seconds The controls only BCM are completed.
(Interior room lamp battery saver: Time out etc.)
BCM wake-up condition
 Ignition switch: OFF → ACC or ON
 Stop lamp switch: ON (Depress brake pedal)
 Any door switch: OFF → ON
 Lighting switch: OFF → 1ST or PASS
 Hazard switch: OFF → ON
 Back door opener switch OFF → ON
 Remote keyless entry receiver: Receiving
 Intelligent Key unit: Receiving
Revision: December 20092009 QX56