2008 INFINITI QX56 remote control

BCM (BODY CONTROL MODULE)ADP-145
< ECU DIAGNOSIS >
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19 V/W Remote keyless entry
receiver (power sup-
ply) Output OFF Ignition switch OFF
20 G/W Remote keyless entry
receiver (signal) Input OFFStand-by (keyfob buttons re-
leased)
When remote keyless entry
receiver receives signal from
keyfob (keyfob buttons
pressed)
21 G NATS antenna amp. Input OFF
→
ON Ignition switch (OFF → ON) Just after turning ignition switch
ON: Pointer of tester should
move for approx. 1 second, then return to battery voltage.
22 W/V BUS — —Ignition switch ON or power
window timer operates
23 G/O Security indicator
lamp Output OFF
Goes OFF
→ illuminates (Ev-
ery 2.4 seconds) Battery voltage
→ 0V
25 BR NATS antenna amp. Input OFF
→
ON Ignition switch (OFF → ON) Just after turning ignition switch
ON: Pointer of tester should
move for approx. 1 second, then return to battery voltage.
26 Y/L Rear wiper auto stop
switch 2 Input ONRise up position (rear wiper
arm on stopper)
0V
A Position (full clockwise stop
position) 0V
Forward sweep (counterclock-
wise direction) Fluctuating
B Position (full counterclock-
wise stop position) Battery voltage
Reverse sweep (clockwise di-
rection) Fluctuating
27 W/R Compressor ON sig-
nal Input ONA/C switch OFF
5V
A/C switch ON 0V
Te r m i n a l
Wire
color Signal name Signal
input/
output Measuring condition
Reference value or waveform
(Approx.)
Ignition
switch Operation or condition
LIIA1893E
LIIA1894E
LIIA1895E
PIIA2344E
Revision: March 2010
2008 QX56

AV-4
STEERING SWITCH ........................................174
Removal and Installation ..................................... ..174
REAR AUDIO REMOTE CONTROL UNIT ......175
Removal and Installation ..................................... ..175
DVD ENTERTAINMENT SYSTEM ..................176
Removal and Installation ..................................... ..176
BOSE SPEAKER AMP ....................................177
Removal and Installation ..................................... ..177
AUDIO ANTENNA ...........................................178
Location of Antennas ........................................... ..178
Window Antenna Repair ........................................178
SATELLITE RADIO ANTENNA .......................180
Removal and Installation .......................................180
GPS ANTENNA .............................................. ..181
Removal and Installation .......................................181
MICROPHONE ............................................... ..182
Removal and Installation .......................................182
REAR VIEW CAMERA .....................................183
Removal and Installation .......................................183
REAR VIEW CAMERA CONTROL UNIT ....... ..184
Removal and Installation .......................................184
Revision: March 2010 2008 QX56

AV-10
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
AUDIO SYSTEM
The audio system consists of the following components
• AV control unit
• Display unit
• BOSE speaker amp.
• Window antenna
• Steering wheel audio control switches
• A/C and AV switch assembly
• Rear audio and remote control unit
• Front door speakers
• Front tweeters
• Center speaker
• Rear door speakers
• Rear door tweeters
• Back door speakers
• Subwoofer
When the audio system is on, radio signals are receiv
ed by the window antenna. The AV control unit then
sends audio signals to the BOSE speaker amp. The BO SE speaker amp. amplifies the audio signals before
sending them to the front door speakers, front tweeters, center speaker, rear door speakers, rear door tweet-
ers, back door speakers and the subwoofer.
Refer to Owner's Manual for audio system operating instructions.
SATELLITE RADIO SYSTEM
The satellite radio system consists of the following components
• Satellite antenna
• AV control unit
When the satellite radio system is on, radio signals are supplied to the AV contro l unit from the satellite
antenna. The AV control unit then sends audio signals to the BOSE speaker amp.
Refer to Owner's Manual for satellite radio system operating instructions.
SPEED SENSITIVE VOLUME 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.
Revision: March 2010 2008 QX56

AV-12
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
AUDIO SYSTEM
Component Description
INFOID:0000000001696021
10. Rear audio and 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 camera control unit B73 (locat-
ed behind luggage finisher LHl)
19. Rear view camera D504
Part name Description
AV control unit Controls audio system, NAVI functions and satellite radio system functions
Display unit • Touch screen controls all audio and A/C operations
• Displays all audio and climate control related information
BOSE speaker amp. Receives power (amp ON) and audio signals from AV control unit and out-
puts audio signals to each speaker.
Steering switches • Audio operation can be operated
• Steering switch 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 range sounds
Rear door speakers • Outputs audio signal from BOSE speaker amp.
• Outputs high, mid and low range sounds
Rear door tweeters • Outputs audio signal from BOSE speaker amp.
• Outputs high range sounds
Back door speakers • Outputs audio signal from BOSE speaker amp.
• Outputs high, mid and low range sounds
Subwoofer • Outputs audio signal from BOSE speaker amp.
• Outputs low range sounds
Satellite antenna Audio signal (satellite radio) is received and output to AV control unit.
Revision: March 2010 2008 QX56

AV
DVD PLAYERAV-17
< FUNCTION DIAGNOSIS > [AUDIO SYSTEM]
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DVD PLAYER
System DiagramINFOID:0000000001696030
System DescriptionINFOID:0000000001696031
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.
AWNIA0125GB
Revision: March 2010 2008 QX56

AV-18
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
DVD PLAYER
Component Parts Location
INFOID:0000000001696032
Component DescriptionINFOID:0000000001696033
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
ALNIA0844ZZ
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: March 2010
2008 QX56

AV-152
< SYMPTOM DIAGNOSIS >[AUDIO SYSTEM]
MULTI AV SYSTEM
DVD PLAYER
Symptom
Possible causeReference page
Inoperative • Rear view camera control unit power and ground circuit
• Reverse signal circuit
• Camera ON signal circuit
• Camera image signal circuit (rear view camera to rear
view camera control unit)
• Camera image signal circuit (rear view camera control
unit to AV control unit)
• Rear view camera control unit •
AV- 6 7
•AV- 1 4 7
•AV- 1 4 7
•AV- 1 4 7
•AV- 1 4 7
•AV- 1 4 7
Symptom Possible causeReference page
DVD player inoperative • Power supply and ground circuits
• DVD player •
AV- 6 9
•AV- 1 4 9
No sound when playing a DVD • Audio signal circuits
• AV control unit
• DVD player •
AV- 8 0•AV- 6 3
•AV- 6 9
Video monitor is inoperative/does not display properly • Power supply and ground circuits
• Video out circuit
• DVD player
• Display monitor •
AV- 7 0•AV- 1 4 9
•AV- 6 9
•AV- 7 0
DVD remote control is inoperative/does not operate
properly • DVD player
• Rear audio remote control unit •
AV- 6 9
•AV- 1 0 5
Headphones inoperative • Headphone batteries
• Headphone audio signal circuits from AV control unit
• AV control unit
• Rear audio remote control unit •
AV- 1 4 9•AV- 1 0 5
•AV- 1 0 5
Revision: March 2010 2008 QX56

AV
REAR AUDIO REMOTE CONTROL UNITAV-175
< ON-VEHICLE REPAIR > [AUDIO SYSTEM]
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REAR AUDIO REMOTE CONTROL UNIT
Removal and InstallationINFOID:0000000001601497
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: March 2010 2008 QX56