2006 INFINITI QX56 audio

AUDIOAV-49
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AV
Revision: November 2009 2006 QX56
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
WKIA4557E
SKIA0177E

AV-50
AUDIO
Revision: November 20092006 QX56
3. HARNESS CHECK
1. Disconnect audio unit connector M44 and BOSE speaker amp. connector M113.
2. Check continuity between audio unit harness connector M44 ter- minals and BOSE speaker amp. harness connector M113 termi-
nals.
3. Check continuity between audio unit harness connector terminal and ground.
OK or NG
OK >> GO TO 4.
NG >>

Check connector housings for disconnected or loose terminals.

Repair harness or connector.
Terminals Continuity
Audio unit BOSE speaker amp.
Connector Terminal Connector Terminal
M44 13
M113 25
Ye s
14
26
15 23
16 24
Te r m i n a l s Continuity
Audio unit
—
Connector Terminal
M44 13
Ground No
14
15
16
SKIA4315E

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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SKIA0177E
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
WKIA1222E

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
WKIA1601E

AUDIOAV-53
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Revision: November 2009 2006 QX56
3. GROUND CIRCUIT CHECK
Check continuity between subwoofer harness connector B72 termi-
nal 5 and ground.
OK or NG
OK >> GO TO 4.
NG >>

Check connector housings for disconnected or loose
terminals.

Repair harness or connector.
4. CHECK SUBWOOFER AMP. ON SIGNAL
1. Operate system and check voltage between subwoofer harness connector B72 terminal 4
and ground.
OK or NG
OK >> GO TO 5.
NG >>

Check connector housings for disconnected or loose
terminals.

Repair harness or connector.
5. HARNESS CHECK
1. Disconnect BOSE speaker amp. connector M112 and subwoofer connector B72.
2. Check continuity between BOSE speaker amp. harness connec- tor terminal and subwoofer harness connector harness connec-
tor terminal.
3. Check continuity between BOSE speaker amp. harness connec- tor terminal and ground.
OK or NG
OK >> GO TO 6.
NG >>

Check connector housings for disconnected or loose terminals.

Repair harness or connector.
Continuity should exist.
WKIA1602E
Voltage
: More than approx. 6.5V
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Terminals
Continuity
BOSE speaker amp. Subwoofer
Connector Terminal Connector Terminal
M112 3
B72 1
Ye s
19 2
Terminals Continuity
BOSE speaker amp.
—
Connector Terminal
M112 3
GroundNo
19
WKIA1604E

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
WKIA1170E
SKIA0177E

AUDIOAV-55
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AV
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.
WKIA1490E
WKIA1798E
WKIA1605E

AV-56
AUDIO
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" .
LKIA0678E
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