ignition INFINITI QX56 2004 Factory Service Manual

AUDIO
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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 BOSE speaker amp. harness connector M113
terminal with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace suspect speaker. Refer to AV- 4 5 , "Removal
and Installation of Rear Door Speaker" or AV- 4 6 ,
"Removal and Installation of Rear Door Tweeter" .
NG >> GO TO 3.
Te r m i n a l s
Condi-
tionReference
signal (+) (-)
Con-
nec-
torTe r m i n a l
(Wire
color)Con-
nec-
torTe r m i n a l
(Wire
color)
M1139 (SB)
M11310 (B/Y)
Receive
audio
signal 11 (O/L) 12 (R/L)
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AUDIO
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Revision: August 20072004 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 at audio unit harness connector M44 terminal
with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace BOSE speaker amp. Refer to AV- 4 6 , "Removal
and Installation of BOSE Speaker Amp." .
NG >> Replace audio unit. Refer to AV- 4 5 , "
Removal and
Installation for Audio Unit" .
Sound Is Not Heard From Center SpeakerEKS007KT
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 terminal M112 center speaker harness connector terminal
M110.
3. Check continuity between BOSE speaker amp. harness connec-
tor M112 terminal and ground.
OK or NG
OK >> GO TO 2.
NG >>

Check connector housings for disconnected or loose terminals.

Repair harness or connector.
Te r m i n a l s
Condi-
tionReference
signal (+) (-)
Con-
nectorTe r m i -
nal
(Wire
color)Con-
nectorTe r m i n a l
(Wire
color)
M4414
(BR)
M4413 (B/R)
Receive
audio
signal
16 (L) 15 (B/W)
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Te r m i n a l s
Continuity BOSE speaker amp. Center speaker
ConnectorTe r m i n a l
(Wire color)ConnectorTe r m i n a l
(Wire color)
M1122 (R)
M110- (R)
Ye s
18 (V) + (V)
Te r m i n a l s
Continuity BOSE speaker amp.
—
Connector Terminal (Wire color)
M1122 (R)
Ground No
18 (V)
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AV-42
AUDIO
Revision: August 20072004 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 “POWER” switch.
4. Check the signal BOSE speaker amp. harness connector M112
terminal with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace center speaker. Refer to AV- 4 6 , "Removal and Installation of Center Speaker" .
NG >> Replace BOSE speaker amp. Refer to AV-46, "
Removal and Installation of BOSE Speaker Amp."
.
Sound Is Not Heard From SubwooferEKS007KU
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.
Te r m i n a l s
Condi-
tionReference
signal (+) (-)
Con-
nec-
torTe r m i n a l
(Wire
color)Con-
nec-
torTerminal
(Wire
color)
M112 18 (V) M112 2 (R)Receive
audio
signal
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Unit Terminal Signal name Fuse No.
Subwoofer 6 Battery power 17
UnitTe r m i n a l N o .
OFF ACC ON (+)
(-)
ConnectorTe r m i n a l
(wire color)
Sub-
wooferB72 6 (R) GroundBattery
voltageBattery
voltageBattery
voltage
WKIA1601E

AV-44
AUDIO
Revision: August 20072004 QX56
6. SUBWOOFER SIGNAL CHECK
1. Connect BOSE speaker amp. connector and subwoofer connector.
2. Turn ignition switch to ACC.
3. Check the signal BOSE speaker amp. harness connector termi-
nal with CONSULT-II or oscilloscope.
OK or NG
OK >> Replace subwoofer. Refer to AV- 4 6 , "Removal and Installation of Subwoofer" .
NG >> Replace BOSE speaker amp. Refer to AV-46, "
Removal and Installation of BOSE Speaker Amp."
.
Te r m i n a l s
Condi-
tionReference
signal (+) (-)
Con-
nec-
torTe r -
minal
(Wire
color)Con-
nec-
torTe r -
minal
(Wire
color)
M11219
(W)M112 3 (B)Receive
audio
signal
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AV-48
AUDIO ANTENNA
Revision: August 20072004 QX56
AUDIO ANTENNAPFP:28200
System DescriptionEKS007L6
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 radio 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.

DVD ENTERTAINMENT SYSTEM
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System DescriptionEKS007LB
Refer to Owner's Manual for DVD entertainment system operating instructions.
Power is supplied at all times

through 20A fuse (No. 31, located in the fuse and fusible link box)

to DVD player terminal 16.
With the ignition switch in the ACC or ON position, power is supplied

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

to DVD player terminal 15.
Power is also supplied

from DVD player terminals 31 and 32

to video monitor terminals 11 and 12.
Ground is supplied

to DVD player terminal 22

through body grounds M57, M61 and M79.
Audio signals are supplied

through DVD player terminals 1, 2, 3 and 4

to audio unit terminals 34, 35, 36 and 37.
Video signals are supplied

through DVD player terminals 23, 24, 28 and 29

to video monitor terminals 5, 6, 7 and 8.

DVD ENTERTAINMENT SYSTEM
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Power Supply Circuit InspectionEKS007LF
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.
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 P105 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.
Removal and Installation of DVD PlayerEKS007LG
1. Remove center console compartment. Refer to IP-15, "Center Console" .
Unit Terminals Signal name Fuse No.
DVD player16 Battery power 31
15 Ignition switch ACC or ON 4
UnitTe r m i n a l N o .
OFF ACC ON (+)
(-)
ConnectorTe r m i n a l
(wire color)
DVD player M20516 (Y) GroundBattery
voltageBattery
voltageBattery
voltage
15 (V) Ground 0 VBattery
voltageBattery
voltage
WKIA1197E
Continuity should exist.
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AV-74
NAVIGATION SYSTEM
Revision: August 20072004 QX56
“TRACKING” MODE

To delete the tracking marks on the map, select “Off”.

To leave the tracking marks on the map, select “On”.
NOTE:
When a trail display is turned OFF, trail data is erased from the mem-
ory.
GUIDANCE VOLUME
Description
Following guidance volume settings can be changed.
Activation/Deactivation Setting

The voice prompt can be turned on/off by pressing the “Guidance Volume” button.
Voice Volume Setting

Volume of the voice can be controlled by tilting the joystick to left/right.
DISPLAY WITH PUSHED “TRIP” BUTTON

When the “TRIP” button is pushed, the following items will display on the screen.

Warning message (if there are any) →TRIP1→TRIP2→FUEL ECONOMY→MAINTENANCE→OFF.
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Display items Display/Setting contentsReference
page
Trip 1 o r Trip 2Elapsed TimeDisplays driving time with a range of 0000:00:00 to
9999:59:59.
AV- 7 5
Driving Distance
[(km) or (miles)] Displays driving distance with a range of 00000.0 to
99999.9.
Average speed
[(km/h) or (MPH)]Displays average speed with a range of 000.0 to 999.9.
Fuel EconomyAverage Fuel Economy
[(MPG) or (l/100km)]Displays fuel economy with ignition switch ON, average
fuel economy each 30 seconds.
AV- 7 5
Distance to Empty
[(km) or (miles)]Displays possible driving distance with remaining fuel.
Fuel Economy [(MPG)
or (l/100km)]Displays fuel economy each approx. 100 ms.
Maintenance Engine oilMaintenance intervals of engine oil and setting of oil
change cycle.
AV- 7 5
Tire rotationMaintenance intervals of tire and setting of tire replace-
ment cycle.
Tire pressure Tire pressure displayed as tire pressure information.

NAVIGATION SYSTEM
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25 (R/L) 30 (B)Illumination
signalInput ONLighting switch in
1st positionBattery voltageDisplay unit illu-
mination does
not change
when lighting
switch is turned
to 1st position.- Lighting switch is
OFF3V or less
26 (G/R) Ground Ignition signal Input ON – Battery voltageNavigation cur-
rent location
mark does not
indicate the cor-
rect position.
27 (G/W) GroundReverse
signalInput ONSelector lever in R
positionBattery voltageThe navigation
current location
mark moves
strangely when
the vehicle is
moving back-
wards. Selector lever not in
R position0V
28 (W/R) GroundVehicle
speed signal
(8-pulse)Input ONWhen vehicle speed
is approx. 40 km/h
(25 MPH)Navigation cur-
rent location
mark does not
indicate the cor-
rect position.
43 –Shield
ground–– – – –
44 (L) GroundCommunica-
tion signal (+)Input/
outputON –System does not
work properly.
45 (P) GroundCommunica-
tion signal (–)Input/
outputON –System does not
work properly.
66 67 GPS signal Input ONConnector is not
connected.5 VNavigation sys-
tem GPS correc-
tion is not
possible. Te r m i n a l N o .
(Wire color)
ItemSignal
input/
outputCondition
Vo l ta g e
(Approx.)Example of
symptom
+–Igni-
tion
switchOperation
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AV-92
NAVIGATION SYSTEM
Revision: August 20072004 QX56
Terminals and Reference Value for Display Control unitEKS007LP
Terminal No.
(Wire color)
ItemSignal
input/
outputCondition
Voltage
(Approx.)Example of
symptom
+–Igni-
tion
switchOperation
1 (Y) GroundBattery
PowerInput OFF – Battery voltageSystem does not
work properly.
2 (L/W) GroundPower Sup-
ply (Inverter) Output ON – 9 VScreen is not
shown.
3 (B) Ground Ground – ON – 0 V –
4 (L/R) GroundPower Sup-
ply (Signal) Output ON – 9 VScreen is not
shown.
5 (P) Ground(Inverter)
Ground –ON – 0 V –
6 (GR) GroundReverse
signalInput ONSelector lever in R
positionBattery voltage
Impossible to
gain direction of
vehicle. Selector lever not in
R position0 V
7 (P/L) Ground(Signal)
Ground –ON – 0 V –
10 (O) Ground ACC signal Input ACC – Battery voltageSystem does not
work properly.
12 (G/R) Ground Ignition signal Input ON – Battery voltageVehicle informa-
tion setting is not
possible.
13 (B) Ground Ground – ON – 0 V –
14 (R/L) GroundIllumination
signalInput OFFLighting switch posi-
tion 1st or 2ndBattery voltageDisplay unit
does not change
when lighting
switch is turned
to 1st position. Lighting switch posi-
tion OFF0 V
16 (W/R) GroundVehicle
speed signal
(8–pulse)Input ONWhen vehicle speed
is approx. 40 km/h
(25 MPH)Value of vehicle
speed informa-
tion is not accu-
rately displayed.
25 (W) – CAN H – – – – –
26 (R) – CAN L – – – – –
28 (V) GroundCommunica-
tion signal (+)Input/
OutputON –System does not
work properly.
29 –Shield
ground–– – – –
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