ignition INFINITI QX56 2006 Factory Service Manual

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Revision: November 2009 2006 QX56
Satellite Radio Tuner (Factory Installed) Right Channel Audio Signal Circuit
Inspection
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1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector M41 (A) and audio unit connector M42 (B).
3. Check continuity between satellite radio tuner (factory installed) and audio unit.
4. Check continuity between satellite radio tuner (factory installed) and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK RIGHT CHANNEL AUDIO SIGNAL
1. Connect satellite radio tuner (factory installed) and audio unit.
2. Turn ignition switch ON.
3. Check signal between satellite radio tuner (factory installed) connector M41 terminals 23 and 24 with CONSULT-ll or oscillo-
scope.
OK or NG
OK >> Replace satellite radio tuner (factory installed). Refer to AV- 5 8 , "
SATELLITE RADIO TUNER" .
NG >> Replace audio unit. Refer to AV- 5 5 , "
AUDIO UNIT" .
Steering Switch CheckEKS00BIJ
1. AV SWITCH SELF-DIAGNOSIS FUNCTION CHECK
1. Start AV switch self-diagnosis function. Refer to AV- 3 1 , "
AV Switch Self-Diagnosis Function" .
2. Operate steering switch.
Does steering switch operate normally?
YES >> Inspection End.
NO >> GO TO 2.
Terminals
Continuity
Satellite radio tuner (factory
installed) Audio unit
Connector Terminal Connector Terminal
A: M41 23
B: M42 43
Ye s
24 44
Terminals Continuity
Satellite radio tuner (factory installed)
—
Connector Terminal
A: M41 23
GroundNo
24
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23 - 24 : Refer to AV- 3 0 , "Terminals
and Reference Value for Sat-
ellite Radio Tuner (Factory
Installed)" .
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AV-42
AUDIO
Revision: November 20092006 QX56
2. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect bluetooth control unit connector and spiral cable connector M30.
3. Check continuity between bluetooth control unit (A) connector B141 terminals 12, 14, and 13 and spiral cable (B) connector M30 terminals 24, 31, and 32.
4. Check continuity between bluetooth control unit and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness.
3. CHECK HARNESS
1. Disconnect AV switch connector.
2. Check continuity between AV switch (A) connector M98 terminals 12, 13, and 14 and bluetooth control unit (B) connector B141 terminals 17, 18, and 19.
OK or NG
OK >> GO TO 4.
NG >> Repair harness.
Te r m i n a l s Continuity
AB
Connector Terminal Connector Terminal
B141 12
M30 24
Ye s
13 32
14 31
Te r m i n a l s Continuity
( + )
( - )
Connector Terminal
B141 12
Ground No
13
14
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Te r m i n a l s
Continuity
AB
Connector Terminal Connector Terminal
M98 12
B141 17
Ye s
13 18
14 19
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AUDIOAV-45
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Revision: November 2009 2006 QX56
2. FRONT SPEAKER SIGNAL CHECK
1. Connect BOSE speaker amp. connector M113 and suspect speaker connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between BOSE speaker amp. harness connec- tor M113 terminals with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace suspect speaker. Refer to AV- 5 6 , "FRONT
DOOR SPEAKER" or AV- 5 6 , "FRONT TWEETER" .
NG >> GO TO 3.
Te r m i n a l s
Condi-tion Reference
signal
(+)
(-)
Con-
nector Terminal
Con-
nector Terminal
M113 13
M113 14
Receive
audio
signal
15
16
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AUDIOAV-47
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Revision: November 2009 2006 QX56
4. FRONT SPEAKER SIGNAL CHECK
1. Connect audio unit connector and BOSE speaker amp. connector.
2. Turn ignition switch ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector termi- nals with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace BOSE speaker amp. Refer to AV- 5 5 , "BOSE
SPEAKER AMP." .
NG >> Replace audio unit. Refer to AV- 5 5 , "
Removal and
Installation" .
Te r m i n a l s
Condi-tion Reference
signal
(+) (-)
Con-
nector Te r m i -
nal Con-
nector Te r m i -
nal
M43 2
M43 1
Receive
audio
signal
43
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AUDIOAV-49
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2. REAR SPEAKER SIGNAL CHECK
1. Connect BOSE speaker amp. connector M113 and suspect speaker connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between BOSE speaker amp. harness connec- tor M113 terminals with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace suspect speaker. Refer to AV- 5 7 , "REAR
DOOR SPEAKER" or AV- 5 7 , "REAR DOOR
TWEETER" .
NG >> GO TO 3.
Te r m i n a l s
Condi-tion Reference
signal
(+)
(-)
Con- nec- tor Terminal Con-
nec- tor Terminal
M113 9
M113 10
Receive
audio
signal
11
1 2
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AUDIOAV-51
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Revision: November 2009 2006 QX56
4. REAR SPEAKER SIGNAL CHECK
1. Connect audio unit connector M44 and BOSE speaker amp. connector M113.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector M44 terminals with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace BOSE speaker amp. Refer to AV- 5 5 , "BOSE
SPEAKER AMP." .
NG >> Replace audio unit. Refer to AV- 5 5 , "
Removal and
Installation" .
Sound Is Not Heard From Center SpeakerEKS00BIO
1. HARNESS CHECK
1. Disconnect BOSE speaker amp. connector M112 and center speaker connector M110.
2. Check continuity between BOSE speaker amp. harness connec- tor M112 terminals and center speaker harness connector M110
terminals.
3. Check continuity between BOSE speaker amp. harness connec- tor M112 terminals and ground.
OK or NG
OK >> GO TO 2.
NG >>

Check connector housings for disconnected or loose terminals.

Repair harness or connector.
Terminals Condi-tion Reference
signal
(+)
(-)
Con-
nector Te r m i -
nal Con-
nector Terminal
M44 14
M44 13
Receive
audio
signal
16
15
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Terminals
Continuity
BOSE speaker amp. Center speaker
Connector Terminal Connector Terminal
M112 2
M110 -
Ye s
18 +
Te r m i n a l s Continuity
BOSE speaker amp.
—
Connector Terminal
M112 2
Ground No
18
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AV-52
AUDIO
Revision: November 20092006 QX56
2. CENTER SPEAKER SIGNAL CHECK
1. Connect BOSE speaker amp. connector M112 and center speaker connector M110.
2. Turn ignition switch to ACC.
3. Push the “ POWER” switch.
4. Check the signal between BOSE speaker amp. harness connec- tor M112 terminals with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace center speaker. Refer to AV- 5 6 , "CENTER SPEAKER" .
NG >> Replace BOSE speaker amp. Refer to AV- 5 5 , "
BOSE SPEAKER AMP." .
Sound Is Not Heard From SubwooferEKS00BIP
1. CHECK FUSE
Check that the following fuse is not blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of problem before installing new fuse. Refer to PG-4,
"POWER SUPPLY ROUTING CIRCUIT" .
2. POWER SUPPLY CIRCUIT CHECK
1. Disconnect subwoofer connector.
2. Check voltage between the subwoofer and ground.
OK or NG
OK >> GO TO 3.
NG >>

Check connector housings for disconnected or loose
terminals.

Repair harness or connector.
Terminals
Condi-tion Reference
signal
(+) (-)
Con- nec- tor Terminal Con-
nec- tor Terminal
M112 18 M112 2 Receive
audio
signal
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Unit
Terminal Signal name Fuse No.
Subwoofer 6Battery power 17
UnitTerminal No.
OFF ACC ON
(+)
(-)
Connector Terminal
Sub-
woofer B72 6 Ground Battery
voltage Battery
voltage Battery
voltage
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AV-54
AUDIO
Revision: November 20092006 QX56
6. SUBWOOFER SIGNAL CHECK
1. Connect BOSE speaker amp. connector and subwoofer connector.
2. Turn ignition switch to ACC.
3. Check the signal between BOSE speaker amp. harness connec- tor terminals with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace subwoofer. Refer to AV- 5 9 , "SUBWOOFER" .
NG >> Replace BOSE speaker amp. Refer to AV- 5 5 , "
BOSE SPEAKER AMP." .
Terminals
Condi-tion Reference
signal
(+) (-)
Con- nec-
tor Te r -
minal Con-
nec-
tor Te r -
minal
M112 19 M112 3 Receive
audio
signal
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AV-60
AUDIO ANTENNA
Revision: November 20092006 QX56
AUDIO ANTENNAPFP:28200
System DescriptionEKS00BJ1
With the ignition switch in ACC or ON, power is supplied

through 10A fuse [No. 4, located in the fuse block (J/B)]

to audio unit terminal 10.
Ground is supplied through the case of the antenna amp.
When the audio unit switch is turned ON, antenna signal is supplied

through audio unit terminal 5

to the antenna amp. terminal 1.
Then the antenna amp. is activated.
The amplified radio signals are supplied to the audio unit through the antenna amp.

TELEPHONEAV-65
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Revision: November 2009 2006 QX56
System DescriptionEKS00GBL
BLUETOOTH® HANDS-FREE PHONE SYSTEM
Refer to the Owner's Manual for Bluetooth telephone system operating instructions.
NOTE:
Cellular telephones must have their wireless connection set up (paired) before using the Bluetooth telephone
system.
Bluetooth telephone system allows users who have a Bluetooth cellular telephone to make a wireless connec-
tion between their cellular telephone and the Bluetooth control unit. Hands-free cellular telephone calls can be
sent and received. Personal memos can be created using the Infinity Voice Recognition system. Some Blue-
tooth cellular telephones may not be recognized by the Bluetooth control unit. When a cellular telephone or
the Bluetooth control unit is replaced, the telephone must be paired with the Bluetooth control unit. Different
cellular telephones may have different pairing procedures. Refer to the cellular telephone operating manual.
Bluetooth Telephone System Diagram
Bluetooth Control Unit
When the ignition switch is turned to ACC or ON, the Bluetooth control unit will power up. During power up, the
Bluetooth control unit is initialized and performs various self checks. Initialization may take up to 10 seconds.
During this time the Bluetooth ON indicator will flash until initialization is complete. Infinity Voice Recognition
will then become active and the Bluetooth ON indicator will remain on. Bluetooth telephone functions can be
turned off using the voice recognition system.
BCM
The BCM supplies power for the Bluetooth ON indicator.
Steering Wheel Audio Control Switches
When buttons on the steering wheel audio control switch are pushed, the resistance in steering wheel audio
control switch circuit changes depending on which button is pushed. The Bluetooth control module uses this
signal to perform various functions while navigating through the voice recognition system.
The following functions can be performed using the steering wheel audio control switch:

Initiate Self Diagnosis of the Bluetooth telephone system

Start a voice recognition session

Answer and end telephone calls

Adjust the volume of calls

Record memos
AV S w i t c h
Call volume can be adjusted using the AV switch.
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