battery INFINITI QX56 2006 Factory Repair Manual

AV-30
AUDIO
Revision: November 20092006 QX56
Terminals and Reference Value for Satellite Radio Tuner (Factory Installed)EKS00GB2
17 (Y/B) GroundCD LOAD
signal Output ON Pressed
0V
CD load does
not function.
Released 5V
Terminal No.
(Wire color) ItemSignal
input/
output Condition
Voltage
(Approx.) Example of
symptom
+ – Ignition
switch Operation
Te r m i n a l
(Wire color) ItemSignal
input/
output Condition
Voltage
(approx.)
+ – Ignition
switch Operation
22 (R) 21 (G) Audio signal LH Output ON Receive audio signal.
24 (W) 23 (B) Audio signal RH Output ON Receive audio signal.
25 –Shield ––
– –
26 ONApprox. 0 V
28 (L) Ground REQ1
(SAT-AUDIO) Output ON
Set to the satellite radio
mode
29 (O/L) Ground Communication signal
(SAT-AUDIO)
Output ONSet to the satellite radio
mode
30 (W/L) Ground Communication signal
(AUDIO-SAT)
Input ONSet to the satellite radio
mode
32 (Y) GroundBattery power supply
InputOFF
− Battery voltage
36 (V) ACC power supply ACC
37 –Antenna signal –– –
SKIB3609E
SKIB3609E
SKIB3825E
SKIB3824E
SKIB3826E

AUDIOAV-35
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Revision: November 2009 2006 QX56
Power Supply Circuit InspectionEKS00BII
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" .
UnitTerminals Signal name Fuse No.
Audio unit 6
Battery power 31
10 Ignition switch ACC or ON 4
AV switch 1
Battery power 31
2 Ignition switch ACC or ON 4
BOSE speaker amp. 1Battery power 31
Subwoofer 6Battery power 17

AV-36
AUDIO
Revision: November 20092006 QX56
2. POWER SUPPLY CIRCUIT CHECK
1. Disconnect audio unit connector M43, subwoofer connector B72 and BOSE speaker amp. connector M112.
2. Check voltage between the audio unit and ground.
3. Check voltage between subwoofer and ground.
4. Check voltage between BOSE speaker amp. 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
Check continuity between subwoofer harness connector B72 termi-
nal 5 and BOSE speaker amp. harness connector M112 terminal 17
and ground.
OK or NG
OK >> Inspection End.
NG >>

Check connector housings for disconnected or loose
terminals.

Repair harness or connector.
Unit Terminal No.
OFF ACC ON
(+)
(-)
Connector Terminal
Audio unit M43 6Ground
Battery
voltage Battery
voltage Battery
voltage
10 Ground 0 V Battery
voltage Battery
voltage
SKIA1992E
Unit Terminal No.
OFF ACC ON
(+)
(-)
Connector Terminal
Sub-
woofer B72 6 Ground Battery
voltage Battery
voltage Battery
voltage
WKIA1598E
Unit Terminal No.
OFF ACC ON
(+)
(-)
Connector Terminal
BOSE
speaker
amp. M112 1 Ground
Battery
voltage Battery
voltage Battery
voltage
SKIA4311E
Continuity should exist.
WKIA1599E

AUDIOAV-37
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Revision: November 2009 2006 QX56
Satellite Radio Tuner (Factory Installed) Power and Ground Supply Circuit
Inspection
EKS00GB3
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
Ye s
26 46
WKIA4540E

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
WKIA1223E
SKIA0177E
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-55
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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.
WKIA1490E
WKIA1798E
WKIA1605E

TELEPHONEAV-69
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Revision: November 2009 2006 QX56
Terminals and Reference Value for Bluetooth Control UnitEKS00GBO
Terminal
(Wire color) ItemSignal
input/
output Condition
Reference value
(Approx.) Example of symptom
+ – Ignition
switch Operation
1 (Y) Ground Battery
powerInput
–– Battery voltageSystem does not
work properly.
2 (V) Ground ACC power Input ACC/
ON –
Battery voltage System does not
work properly.
3 (G/R) Ground IGN power Input ON/
START –
Battery voltage System does not
work properly.
4 (B) –Ground –– – ––
6 –Shield –– – ––
7 (B) 8 (R/L) Mic-in signal Input ON –– –
9 (R/W) 10 (R) Audio out Output ––––
11 ( B ) –Mute –– – ––
12 (R/G) Ground Remote
control A Input ON Press MODE
switch Approx. 0V
Steering wheel audio
controls do not func-
tion.
Press SEEK UP
switch Approx. 0.75V
Press VOL UP switch Approx. 2V
Except for above Approx. 5V
13 (G/W) Ground Remote
control B Input ON Press POWER
switch Approx. 0V
Steering wheel audio
controls do not func-
tion.
Press SEEK
DOWN switch Approx. 0.75V
Press VOL
DOWN switch Approx. 2V
Except for above Approx. 5V
14 (Y/R) - Remote
control
ground -- -
-Steering wheel audio
controls do not func-
tion.
15 (GR) - LED - - -- -
17 (V) Ground AV switch 1 Output On Press MODE
switch Approx. 0V
Steering wheel audio controls do not func- tion.
Press SEEK UP
switch Approx. 0.75V
Press VOL UP switch Approx. 2V
Except for above Approx 5V
18 (G/O) Ground AV switch 2 Output ON Press POWER
switch Approx. 0V
Steering wheel audio controls do not func- tion.
Press SEEK
DOWN switch Approx. 0.75V
Prees VOL
DOWN switch Approx. 2V
Except for above Approx 5V
19 (R/B) - AV switch
ground -- -
-Steering wheel audio
controls do not func- tion.
21 (B) - Ground - - -- –

AV-72
TELEPHONE
Revision: November 20092006 QX56
Power Supply and Ground Circuit Check for Bluetooth Control UnitEKS00GBQ
1. CHECK FUSES
Make sure the following fuses for the Bluetooth control unit are not blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse. Refer to PG-
4, "POWER SUPPLY ROUTING CIRCUIT" .
2. CHECK POWER SUPPLY CIRCUIT
1. Disconnect Bluetooth control unit connector B141.
2. Check voltage between connector terminals and ground as fol- lows.
OK or NG
OK >> GO TO 3.
NG >> Check harness for open between Bluetooth control unit and fuse.
3. CHECK GROUND CIRCUITS
1. Turn ignition switch OFF.
2. Check continuity between the following Bluetooth control unit terminals and ground.
OK or NG
OK >> Inspection End.
NG >> Repair or replace harness.
Terminals Ignition SwitchFuse No.
Connector Terminal
B141 1
All positions31
2 ACC/ON4
3 ON/START12
Terminals Ignition switch position
(+) (– )OFFACC ON
Connector Terminal
B141 1
Ground Battery
voltage Battery
voltage Battery
voltage
20 VBattery
voltage Battery
voltage
30 V0V Battery
voltage
WKIA4389E
Terminals Continuity
Connector Terminal—
B141 4
Ground Yes
21
WKIA4556E

TELEPHONEAV-73
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Revision: November 2009 2006 QX56
Removal and InstallationEKS00GBR
BLUETOOTH CONTROL UNIT
Removal
1. Disconnect battery negative terminal.
2. Remove front passenger seat. Refer to SE-91, "
FRONT SEAT" .
3. Remove Bluetooth control unit kick shield screws (A) and remove bluetooth control unit kick shield (1).
4. Disconnect Bluetooth control unit harness connectors.
5. Remove Bluetooth control unit screws (B).
6. Remove Bluetooth control unit (2) from bluetooth control unit bracket.
Installation
Installation is in the reverse order of removal.
NOTE:
When replacing bluetooth control unit, Perform pairing procedure. Refer to Owner's Manual Pairing Proce-
dure.
BLUETOOTH ON INDICATOR
Removal
CAUTION:
To avoid damage use care when removing console finisher.

Sunroof switch (2).

Microphone (3).

Front personal/map lamp LH (4).

Interior lamp switch (5).

Front personal/map lamp RH (6).
1. Remove console assembly, roof finisher.
2. Release Bluetooth ON indicator tabs.
3. Disconnect Bluetooth ON indicator connector.
4. Remove Bluetooth ON indicator (1).
Installation
Installation is in the reverse order of removal.
MICROPHONE
Removal
CAUTION:
To avoid damage use care when removing console finisher.

Bluetooth on indicator (1).

Sunroof switch (2).
LKIA0681E
LKIA0667E

DVD ENTERTAINMENT SYSTEMAV-81
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Revision: November 2009 2006 QX56
Trouble DiagnosisEKS00BJ9
SymptomPossible causes Repair order
DVD player inoperative 1. Power supply
2. Ground circuit
3. Audio enable circuit
4. DVD enable signal
5. Audio enable signal
6. DVD player
7. Audio unit 1. Refer to AV- 8 2 , "
Power Supply Circuit Inspection" .
2. Refer to AV- 8 2 , "
Power Supply Circuit Inspection" .
3. Check audio enable circuits for open or short between audio unit terminals 39, 40 and DVD player terminals
11 , 9 .
4. Push power switch of DVD player and verify approx. 5V is present at terminal 39 of audio unit.
5. Push power switch of DVD player and verify approx. 5V is present at terminal 9 of DVD player.
6. Remove DVD player for repair.
7. Remove audio unit for repair.
No sound when playing
DVD 1. Audio signal circuits
2. DVD player
3. Audio unit 1. Check audio signal circuits for open or short between
DVD player terminals 1, 2, 3 and 4 and audio unit ter-
minals 34, 35, 36 and 37.
2. Remove DVD player for repair.
3. Remove audio unit for repair.
Video monitor is inopera-
tive/does not operate prop-
erly 1. Power supply
2. Video monitor ground circuit
3. Video circuits
4. Data signal
5. Video monitor
6. DVD player 1. Operate DVD player and verify battery positive voltage
is present at terminals 11 and 12 of video monitor. Ver-
ify approximately 5 volts is present at terminal 10 of
video monitor.
2. Check video monitor ground circuits between DVD player terminals 19 and 27 and video monitor terminals
1 and 2.
3. Check video circuits between DVD player terminals 23 and 24 and video monitor terminals 7 and 8.
4. Check data signal circuit for open or short between DVD player terminal 29 and video monitor terminal 5.
5. Remove video monitor for repair.
6. Remove DVD player for repair.
DVD remote control is
inoperative/does not oper-
ate properly 1. Data signal
2. DVD player remote control batteries
3. DVD player remote control
4. Video monitor 1. Check data signal circuit for open or short between
DVD player terminal 28 and video monitor terminal 6.
2. Replace DVD player remote control batteries.
3. Replace DVD player remote control.
4. Remove video monitor for repair.
Headphones inoperative 1. Headphone batteries 2. Headphones
3. Rear audio remote control unit 1. Replace headphone batteries.
2. Replace headphones.
3. Replace rear audio remote control unit.
Snowy video/poor audio 1. Harness or connectors 2. DVD player 1. Check harness and connectors for open or short.
2. Check DVD player.
Snowy video (audio OK) 1. Harness or connectors 2. DVD player 1. Check harness and connectors for open or short.
2. Check DVD player.
No video (audio OK) 1. Harness or connectors 2. DVD player
3. Video monitor 1. Check harness and connectors for open or short.
2. Check DVD player.
3. Check video monitor.
Dim video (audio OK) 1. Harness or connectors 2. DVD player
3. Video monitor 1. Check harness and connectors for open or short.
2. Check DVD player.
3. Check video monitor.