radio INFINITI QX56 2006 Factory User Guide

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Revision: November 2009 2006 QX56
Satellite Radio Tuner (Factory Installed) Power and Ground Supply Circuit
Inspection
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1. CHECK FUSES

Check that the following fuses are 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. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) M41 connector.
3. Check voltage between the satellite radio tuner (factory installed) and ground.
OK or NG
OK >> GO TO 3.
NG >>

Check connector housings for disconnected or loose
terminals.

Repair harness or connector.
3. GROUND CIRCUIT CHECK
1. Turn ignition switch OFF.
2. Inspect satellite radio tuner (factory installed) case ground.
3. Disconnect satellite radio tuner (factory installed) connector M41 (A) and audio unit connector M42 (B).
4. Check continuity between satellite radio tuner (factory installed) and audio unit.
OK or NG
OK >> Inspection End.
NG >>

Check connector housings for disconnected or loose
terminals.

Repair harness, connector or satellite radio tuner (factory installed) case ground.
Unit Terminals Signal name Fuse No.
Satellite radio tuner (factory
installed) 32
Battery power 31
36 Ignition switch ACC or ON 6
UnitTerminal No.
OFF ACC ON
(+)
(-)
Connector Terminal
Satellite
radio tuner
(factory
installed) M41
32 Ground
Battery
voltage Battery
voltage Battery
voltage
36 Ground 0V Battery
voltage Battery
voltage
WKIA4539E
Terminals
Continuity
Satellite radio tuner (factory
installed) Audio unit
Connector Terminal Connector Terminal
A: M41 25
B: M42 45
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Revision: November 20092006 QX56
Satellite Radio Tuner (Factory Installed) Communication Circuit InspectionEKS00GB4
1. CHECK HARNESS - 1
1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector M41 and audio unit connector M42.
3. Check continuity between satellite radio tuner (factory installed) harness connector M41 (A) terminal 28 and audio unit harness
connector M42 (B) terminal 48
4. Check continuity between satellite radio tuner (factory installed) harness connector M41 (A) terminal 28 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK HARNESS - 2
1. Check continuity between satellite radio tuner (factory installed) harness connector M41 (A) terminal 29 and audio unit harness
connector M42 (B) terminal 49
2. Check continuity between satellite radio tuner (factory installed) harness connector M41 (A) terminal 29 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK HARNESS - 3
1. Check continuity between satellite radio tuner (factory installed) harness connector M41 (A) terminal 30 and audio unit harness
connector M42 (B) terminal 50
2. Check continuity between satellite radio tuner (factory installed) harness connector M41 (A) terminal 30 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector. Continuity should exist.
Continuity should not exist.
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Continuity should exist.
Continuity should not exist.
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Continuity should exist.
Continuity should not exist.
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4. CHECK REQ1 SIGNAL
1. Connect satellite radio tuner (factory installed) connector and audio unit connector.
2. Turn ignition switch to ACC
3. Check signal between satellite radio tuner (factory installed) har- ness connector M41 terminal 28 and ground with CONSULT-ll or
oscilloscope.
OK or NG
OK >> GO TO 5.
NG >> Replace audio unit. Refer to AV- 5 5 , "
AUDIO UNIT" .
5. CHECK TXD SIGNAL
1. Check signal between satellite radio tuner (factory installed) har- ness connector M41 terminal 29 and ground with CONSULT-ll or
oscilloscope.
OK or NG
OK >> GO TO 6.
NG >> Replace audio unit. Refer to AV- 5 5 , "
AUDIO UNIT" .
6. CHECK RXD SIGNAL
1. Check signal between satellite radio tuner (factory installed) har- ness connector M41 terminal 30 and ground with CONSULT-ll or
oscilloscope.
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" .
28 - Ground : Refer to
AV- 3 0 , "
Te r m i n a l s
and Reference Value for Sat-
ellite Radio Tuner (Factory
Installed)" .
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29 - Ground: Refer to AV- 3 0 , "Te r m i n a l s
and Reference Value for Sat-
ellite Radio Tuner (Factory
Installed)" .
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30 - Ground : Refer to AV- 3 0 , "Te r m i n a l s
and Reference Value for Sat-
ellite Radio Tuner (Factory
Installed)" .
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AV-40
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Revision: November 20092006 QX56
Satellite Radio Tuner (Factory Installed) Left 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 LEFT 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 21 and 22 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" .
Terminals
Continuity
Satellite radio tuner (factory
installed) Audio unit
Connector Terminal Connector Terminal
A: M41 21
B: M42 41
Ye s
22 42
Terminals Continuity
Satellite radio tuner (factory installed)
—
Connector Terminal
A: M41 21
GroundNo
22
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21 - 22 : Refer to AV- 3 0 , "Terminals
and Reference Value for Sat-
ellite Radio Tuner (Factory
Installed)" .
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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)" .
WKIA4550E

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Revision: November 2009 2006 QX56
Removal and InstallationEKS00BIQ
AUDIO UNIT
Removal
1. Remove cluster lid C. Refer to IP-12, "Removal" .
2. Remove audio unit screws, using power tool.
3. Pull out audio unit and disconnect audio unit connectors.
Installation
Installation is in the reverse order of removal.
AV S W I T C H
Removal
1. Disconnect battery negative terminal.
2. Remove center console. Refer to IP-16, "
REMOVAL AND INSTALLATION" .
3. Disconnect center speaker.
4. Remove AV switch screws.
5. Carefully remove the AV switch.
Installation
Installation is in the reverse order of removal.
BOSE SPEAKER AMP.
Removal
1. Remove the accelerator pedal. Refer to ACC-3, "ACCELERATOR CONTROL SYSTEM" .
2. Remove BCM. Refer to BCS-20, "
BCM" .
3. Disconnect Bose speaker amp. and satellite radio tuner (if equipped) connectors.
4. Remove Bose speaker amp./satellite radio tuner bracket screws and slide Bose speaker amp./satellite radio tuner bracket down.
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Revision: November 20092006 QX56
5. Remove Bose speaker amp. screws (A) and remove Bose
speaker amp. from Bose speaker amp./satellite radio tuner
bracket.
Installation
Installation is in the reverse order of removal.
CENTER SPEAKER
Removal
1. Remove center console. Refer to IP-16, "REMOVAL AND INSTALLATION" .
2. Remove cluster lid D. Refer to IP-12, "
Removal" .
3. Disconnect center speaker connectors.
4. Remove the center speaker screws and remove the center speaker.
Installation
Installation is in the reverse order of removal.
FRONT DOOR SPEAKER
Removal
1. Remove front door finisher. Refer to EI-32, "DOOR FINISHER" .
2. Remove the four front door speaker screws.
3. Disconnect connector and remove front door speaker.
Installation
Installation is in the reverse order of removal.
FRONT TWEETER
Removal
1. Remove front tweeter grille. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
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Revision: November 20092006 QX56
2. Remove rear door tweeter screws and remove rear door
tweeter.
3. Disconnect rear door tweeter connector.
Installation
Installation is in the reverse order of removal.
SATELLITE RADIO ANTENNA
Removal
1. Lower headliner. Refer to EI-38, "HEADLINING" .
2. Disconnect satellite radio antenna connector.
3. Remove satellite radio antenna nut.
4. Remove satellite radio antenna.
Installation
Installation is in the reverse order of removal.
SATELLITE RADIO TUNER
Removal
1. Remove BCM. Refer to BCS-20, "BCM" .
2. Remove the accelerator pedal. Refer to ACC-3, "
ACCELERATOR CONTROL SYSTEM" .
3. Disconnect Bose speaker amp. and satellite radio tuner connectors.
4. Remove Bose speaker amp./satellite radio tuner bracket screws and slide Bose speaker amp./satellite radio tuner bracket down.
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Revision: November 2009 2006 QX56
5. Remove satellite radio tuner screws (A) and remove satellite
radio tuner from Bose speaker amp./satellite radio tuner bracket
(1).
Installation
Installation is in the reverse order of removal.
STEERING WHEEL AUDIO CONTROL SWITCHES
Removal
1. Remove steering wheel. Refer to PS-8, "Removal and Installation" .
2. Remove steering wheel rear cover screws and remove steering wheel rear cover.
3. Remove steering wheel switch assembly screws and steering wheel switches.
Installation
Installation is in the reverse order of removal.
SUBWOOFER
Removal
1. Remove front driver seat. Refer to SE-91, "Removal and Installation" .
2. Remove the subwoofer bolts.
3. Disconnect subwoofer connector and remove the subwoofer.
Installation
Installation is in the reverse order of removal.
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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.