ignition INFINITI QX4 2005 Factory Service Manual

AUDIO
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2. FRONT 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- 4 5 , "Removal
and Installation of Front Door Speaker" or AV- 4 6 ,
"Removal and Installation of Front Tweeter" .
NG >> GO TO 3.
Te r m i n a l s
Condi-
tionReference
signal (+) (-)
Con-
nectorTe r m i n a l
(Wire
color)Con-
nectorTe r m i -
nal
(Wire
color)
M11313 (L/W)
M11314 (L/R)
Receive
audio
signal 15 (W/B) 16 (L/B)
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AUDIO
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4. FRONT SPEAKER SIGNAL CHECK
1. Connect audio unit connector and BOSE speaker amp. connector.
2. Turn ignition switch ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector termi-
nals 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" .
Te r m i n a l s
Condi-
tionReference
signal (+) (-)
Con-
nectorTe r m i -
nal
(Wire
color)Con-
nectorTe r m i -
nal
(Wire
color)
M432 (W)
M431 (B)
Receive
audio
signal 4 (Y) 3 (BR)
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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 between BOSE speaker amp. harness connec-
tor M113 terminals 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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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- 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 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.
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: October 20052005 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- 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 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.
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
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AV-44
AUDIO
Revision: October 20052005 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- 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: October 20052005 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.

DVD ENTERTAINMENT SYSTEM
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System DescriptionEKS00BJ6
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 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 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
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Continuity should exist.
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AV-74
NAVIGATION SYSTEM
Revision: October 20052005 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) →TRIP 1→TRIP 2→FUEL ECONOMY→MAINTENANCE→OFF.
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Display items Display/Setting contentsReference
page
Trip 1 or 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.