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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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
TELEPHONEAV-69
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AV
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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AV
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.
AV-82
DVD ENTERTAINMENT SYSTEM
Revision: November 20092006 QX56
Power Supply Circuit InspectionEKS00BJA
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. Disconnect DVD player connector M205.
2. Check voltage between the DVD player 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 DVD player harness connector M206 ter-
minal 22 (B) and ground.
OK or NG
OK >> Inspection End.
NG >>
Check connector housings for disconnected or loose
terminals.
Repair harness or connector.
Unit Terminals Signal name Fuse No.
DVD player 16
Battery power 31
15 Ignition switch ACC or ON 4
UnitTerminal No.
OFF ACC ON
(+)
(-)
Connector Te r m i n a l
(wire color)
DVD player M205 16 (Y) Ground
Battery
voltage Battery
voltage Battery
voltage
15 (V) Ground 0 V Battery
voltage Battery
voltage
WKIA1197E
Continuity should exist.
WKIA1198E
DVD ENTERTAINMENT SYSTEMAV-83
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Revision: November 2009 2006 QX56
Removal and InstallationEKS00BJB
DVD PLAYER
Removal
1. Disconnect battery negative terminal.
2. Remove center console compartment. Refer to IP-16, "
REMOVAL AND INSTALLATION" .
3. Remove the DVD player screws.
4. Disconnect DVD connectors and remove DVD player.
Installation
Installation is in reverse order of removal.
VIDEO MONITOR
Removal
1. Remove rear roof console assembly. Refer to EI-38, "HEADLINING" .
2. Disconnect the video monitor connector.
3. Remove the video housing screws.
4. Remove the video monitor and housing.
5. Remove the video monitor hinge screws and remove the video monitor.
Installation
Installation is in reverse order of removal.
WKIA1503E
WKIA1502E
WKIA1219E