2010 INFINITI QX56 Factory Service Manual

spare tire location air condition recommended oil headlamp towing seat adjustment

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INFINITI QX56 2010 Factory Service Manual AV-156
< SYMPTOM DIAGNOSIS >[AUDIO SYSTEM]
MULTI AV SYSTEM
SYMPTOM DIAGNOSIS
MULTI AV SYSTEM
Symptom TableINFOID:0000000005146352
AUDIO SYSTEM
NAVIGATION SYSTEM
HANDS-FREE PHONE SYSTEM
REAR VIEW MONIT

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< SYMPTOM DIAGNOSIS >[AUDIO SYSTEM]
MULTI AV SYSTEM
SYMPTOM DIAGNOSIS
MULTI AV SYSTEM
Symptom TableINFOID:0000000005146352
AUDIO SYSTEM
NAVIGATION SYSTEM
HANDS-FREE PHONE SYSTEM
REAR VIEW MONITOR
Symptom
Possible causeReference page
Inoperative • AV control unit power and ground circuit
•AV control unit •
AV- 6 8
•AV- 2 7
Steering switch does not operate • Steering switch
•AV control unit •
AV- 4 0•AV- 2 7
All speakers do not sound • AV control unit power and ground circuit
• BOSE speaker amp. ON signal
• BOSE speaker amp. power and ground circuit
• BOSE speaker amp.
•AV control unit •
AV- 6 8
•AV- 1 0 5
•AV- 7 0
•AV- 1 4 9
•AV- 11 0
One or several speakers do not sound • Front door speaker
• Front tweeter
• Center speaker
• Rear tweeter
• Rear door speaker
• Back door speaker
• Subwoofer •
AV- 8 5
•AV- 8 8
•AV- 9 1
•AV- 9 6
•AV- 9 3
•AV- 9 9
•AV- 1 0 2
Symptom Possible causeReference page
Inoperative • AV control unit power and ground circuit
•AV control unit •
AV- 6 8
•AV- 2 7
Steering switch does not operate • Steering switch
•AV control unit •
AV- 1 0 6•AV- 2 7
Voice activated control does not operate • Microphone
• Steering switch
•AV control unit •
AV- 1 0 8•AV- 1 0 6
•AV- 2 7
Symptom Possible causeReference page
Inoperative • AV control unit power and ground circuit
•AV control unit •
AV- 6 8
•AV- 2 7
Steering switch does not operate • Steering switch
•AV control unit •
AV- 1 0 6•AV- 2 7
Voice activated control does not operate • Microphone
• Steering switch
•AV control unit •
AV- 1 0 8•AV- 1 0 6
•AV- 2 7
Symptom Possible causeReference page
Inoperative • Rear view camera control unit power and ground circuit
• Reverse signal circuit
• Camera ON signal circuit
• Camera image signal circuit (rear view camera to rear
view camera control unit)
• Camera image signal circuit (rear view camera control unit to AV control unit)
• Rear view camera control unit •
AV- 7 2
•AV- 1 5 2
•AV- 1 5 2
•AV- 1 5 2
•AV- 1 5 2
•AV- 1 5 2
Revision: April 20092010 QX56

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DVD PLAYER
Symptom Possible causeReference page
DVD player inoperative • Power supply and ground circuits

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INFINITI QX56 2010 Factory Service Manual AV-158
< SYMPTOM DIAGNOSIS >[AUDIO SYSTEM]
NORMAL OPERATING CONDITION
NORMAL OPERATING CONDITION
DescriptionINFOID:0000000005146353
AUDIO SYSTEM
The majority of the audio troubles are the result of
o

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< SYMPTOM DIAGNOSIS >[AUDIO SYSTEM]
NORMAL OPERATING CONDITION
NORMAL OPERATING CONDITION
DescriptionINFOID:0000000005146353
AUDIO SYSTEM
The majority of the audio troubles are the result of
outside causes (bad CD, electromagnetic interference,
etc.).
Noise
The following noise results from variations in field strength, such as fading noise and multi-path noise, or
external noise from trains and other sources. It is not a malfunction.
• Fading noise: This noise occurs because of variations in the field strength in a narrow range due to moun-
tains or buildings blocking the signal.
• Multi-path noise: This noise results from the waves s ent directly from the broadcast station arriving at the
antenna at a different time from the waves which reflect off mountains or buildings.
The vehicle itself can be a source of noise if noise prevention parts or electrical equipment is malfunctioning.
Check if noise is caused and/or changed by engine speed, ignition switch turned to each position, and opera-
tion of each piece of electrical equipment, and determine the cause.
NOTE:
The source of the noise can be found easily by listening to the noise while removing the fuses of electrical
components, one by one.
Type of Noise and Possible Cause
NAVIGATION SYSTEM
Basic Operation
Vehicle Mark
Occurrence condition Possible cause
Occurs only when engine is ON. A continuous growling noise occurs. The speed of
the noise varies with changes in the engine speed. • Ignition components
The occurrence of the noise is linked with the operation of the fuel pump. • Fuel pump condenser
Noise only occurs when various
electrical components are oper-
ating. A cracking or snapping sound occurs with the op-
eration of various switches.
• Relay malfunction, AV control unit malfunc-
tion
The noise occurs when various motors are operat-
ing. • Motor case ground
• Motor
The noise occurs constantly, not just under certain conditions. • Rear defogger coil malfunction
• Open circuit in printed heater
• Poor ground of antenna feeder line
A cracking or snapping sound occurs while the vehicle is being driven, especially when
it is vibrating excessively. • Ground wire of body parts
• Ground due to improper part installation
• Wiring connections or a short circuit
Symptom
Cause Remedy
No image is shown. Display brightness adjustment is set fully to DARK
side. Adjust the display brightness.
No guide sound is heard.
Audio guide volume is too low or
too high. Volume control is set to OFF, MIN or MAX. Adjust the audio guide volume.
Audio guidance is not available while the vehicle is
driving on a dark pink route.
System is not malfunctioning.
Screen is too dark.
Motion of the image is too slow. Temperature inside the vehicle is low.
Wait until the temperature inside the vehicle
reaches the proper temperature.
Small black or bright spots appear
on the screen. Symptom peculiar to a liquid crystal display (dis-
play unit). System is not malfunction.
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Destination, Passing Points and
Menu Items Cannot be Selected/Set
Symptom Cause Remedy
Map scree

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Destination, Passing Points and
Menu Items Cannot be Selected/Set
Symptom Cause Remedy
Map screen and BIRDVIEW™
Name of the place vary with the
screen. Some thinning of the character data is done to pre-
vent the display becoming to complex. In some
cases and in some locations, the display contents
may differ.
The same place name, street name, etc. may not
be displayed every time on account of the data
processing. System is not malfunctioning.
Vehicle mark is not positioned cor-
rectly. Vehicle is transferred by ferry or by towing after its
ignition switch is turned to OFF. Drive the vehicle for a while in the GPS sat-
ellite signal receiving condition.
Screen will not switch to nighttime
mode after the lighting switch is
turned ON. The daytime screen is selected by the “SWITCH
SCREENS” when the last time the screen dim-
ming setting is done.
Switching between daytime/nighttime screen may
be inhibited by the automatic illumination adjust-
ment function. Perform screen dimming and select the
nighttime screen by “SWITCH SCREENS”.
Map screen will not scroll in accor-
dance with the vehicle travel. Current location is not displayed.
Press “MAP” button to display the current lo-
cation.
Vehicle mark will not be shown. Current location is not displayed. Press “MAP” button to display the current lo-
cation.
Accuracy indicator (GPS satellite
mark) on the map screen stays
gray. GPS satellite signal is intercepted because the ve-
hicle is in or behind a building.
Move the vehicle out to an open space.
GPS satellite signal cannot be received because
an obstacle is placed on top of the instrument pan-
el. Do not place anything on top of the meter dis-
play (instrument panel).
GPS satellites are not visible from current location. Wait until GPS satellites are visible by mov- ing the vehicle.
Vehicle location accuracy is low. Accuracy indicator (GPS satellite mark) on the map screen stays gray. Current location is not determined.
Vehicle speed setting by the vehicle speed pulse
has been deviated (advanced or retarded) from
the actual vehicle speed because tire chain is fit-
ted or the system has been used on another vehi-
cle. Drive the vehicle for a while [for approx. 30
minutes at approx. 30 km/h (19 MPH)] and
the deviation will be automatically adjusted. If
advancement or retard still occur, perform
the distance adjustment by CONFIRMA-
TION/ADJUSTMENT mode of diagnosis
function.
Map data has error or omission. (Vehicle mark is
always deviated to the same position.) As a rule, an updated map DVD–ROM will be
released once a year.
Symptom
Cause Remedy
Destination cannot be set. Destination to be set is on an expressway. Set the destination on an ordinary road.
Passing point is not searched
when re-searchi ng the route. The vehicle has already passed the passing point,
or the system judged so. To include the passing points that have been
passed into the route again, set the route
again.
Route information will not be dis-
played. Route searching has not been done.
Set the destination and perform route
searching.
Vehicle mark is not on the recommended route. Drive on the recommended route.
Route guide is turned OFF. Turn route guide ON.
Route information is not available on the dark pink
route. System is not malfunctioning.
After the route searching, no guide
sign will appear as the vehicle
goes near the entrance/exit to the
toll road. Vehicle mark is not on the recommended route.
(On the display, only guide signs related to the rec-
ommended route will be shown.)
Drive on the recommended route.
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INFINITI QX56 2010 Factory Service Manual AV-160
< SYMPTOM DIAGNOSIS >[AUDIO SYSTEM]
NORMAL OPERATING CONDITION
Voice Guide
Route Search
Automatic route searching is not
possible.Vehicle is driving on a highway (gray route), or no
recommend

AV-160
< SYMPTOM DIAGNOSIS >[AUDIO SYSTEM]
NORMAL OPERATING CONDITION
Voice Guide
Route Search
Automatic route searching is not
possible.Vehicle is driving on a highway (gray route), or no
recommended route is available. Drive on a road to be searched. Or re–search
the route manually. In this case, however, the
whole route will be searched.
Performed automatic detour
search (or detour search). Howev-
er, the result is the same as that of
the previous search. Performed search with every conditions consid-
ered. However, the result is the same as that of the
previous search.
System is not malfunctioning.
Passing points cannot be set. More than five passing points were set. Passing points can be set up to five. To stop
at more than five points, perform sharing in
several steps.
When setting the route, the starting
point cannot be selected. The current vehicle location is always set as the
starting point of a route. System is not malfunctioning.
Some menu items cannot be se-
lected. The vehicle is being driven.
Stop the vehicle at a safe place and then op-
erate the system.
Symptom
Cause Remedy
SymptomCause Remedy
Voice guide will not operate. Note: Voice guide is only available at intersections that satisfy certain conditions (indicated by z on
the map). Therefore, guidance may not be given
even when the route on the map changes direction. System is not malfunctioning.
The vehicle is not on the recommended route. Return to the recommended route or re- search the route.
Voice guide is turned OFF. Turn voice guide ON.
Route guide is turned OFF. Turn route guide ON.
Voice guide does not match the ac-
tual road pattern. Voice guide may vary with the direction to which
the vehicle is turn and the connection of the road to
other roads. Drive in conformity to the actual traffic rules.
Symptom
Cause Remedy
No route is shown. No road to be searched is found around the des-
tination. Find wider road (orange road or wider) near-
by and reset the destination and passing
points onto it. Take care of the traveling direc-
tion when there are separate up and down
roads.
Starting point and the destination are too close. Set the destination at more distant point.
Conditional traffic regulation (day of the week/
time of the day) is set at the area around the cur-
rent location or the destination. Turn the time-regulating search conditions
OFF. Turn “Avoid re
gulation time” in the
search conditions OFF.
Indicated route is intermittent. In some areas, highways (gray routes) are not used for the search
(Note)Therefore, the route to
the current location or the passing points may be
intermittent. System is not malfunctioning.
When the vehicle has passed the
recommended route, it is deleted
from the screen. A recommended route is controlled by each sec-
tion. When the vehicle has passed the passing
point 1, then the map data from the starting point
up to the passing point 1 will be deleted. (The data
may remain undeleted in some area.) System is not malfunctioning.
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NOTE:
Except for the ordinance-designated cities. (Malfunctioning areas may be changed in the updated map disc.)
Examples of Current-Loc ation Mark Displacement
Vehicle's travel amount is calculated by reading its trav el distance and turning angle. Therefore, if the vehicle
is driven in the following manner, an error will occur in the vehicle's current location display. If correct location
has not been restored after driving the vehicle for a while, perform location correction.
Detouring route is recommended. In some areas, highways (gray routes) are not
used for the search. (Note). Therefore, detour
route may be recommended. Set the route closer to the basic route (gray
route).
A detour route may be shown when some traffic
regulation (one-way traffic, etc.) is set at the area
around the starting point or the destination. Slightly move the starting point or the destina-
tion, or set the passing point on the route of
your choice.
In the area where highways (gray routes) are
used for the search, left turn has priority around
the current location and the destination (passing
points). For this reason, the recommended route
may be detouring. System is not malfunctioning.
Landmarks on the map do not
match the actual ones. This can be happen due to omission or error in
the map data. As a rule, an updated map DVD-ROM will be
released once a year. Wait until the latest
map has become available.
Recommended route is far from
the starting point, passing points,
and destination. Starting point, passing points, and destination of
the route guide were set far from the desired
points because route searching data around
these area were not stored. Reset the destination onto the road nearby. If
this road is one of the highways (gray routes),
an ordinary road nearby may be displayed as
the recommended route.
Symptom
Cause Remedy
SEL698V
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INFINITI QX56 2010 Factory Service Manual AV-162
< SYMPTOM DIAGNOSIS >[AUDIO SYSTEM]
NORMAL OPERATING CONDITION
Cause (condition) –: While driving ooo: Display
Driving conditionRemarks (correction, etc.)
Road config-
uration Y–intersectio

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Place In a parking lot
When driving in a parking lot, or other loca-
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Place In a parking lot
When driving in a parking lot, or other loca-
tion where there are no roads on the map,
matching may place the vehicle mark on a
nearby road. When the vehicle returns to
the road, the vehicle mark may have devi-
ated from the correct location.
When driving in circle or turning the steer-
ing wheel repeatedly, direction errors accu-
mulate, and the vehicle mark may deviate
from the correct location.
If after travelling about 10 km (6
miles) the correct location has
not been restored, perform lo-
cation correction and, if neces-
sary, direction correction.
Turntable
When the ignition switch is OFF, the navi-
gation system cannot get the signal from
the gyroscope (angular speed sensor).
Therefore, the displayed direction may be
wrong and the correct road may not be eas-
ily returned to after rotating the vehicle on a
turntable with the ignition OFF.
Slippery roads On snow, wet roads, gravel, or other roads
where tires may slip easily, accumulated
mileage errors may cause the vehicle mark
to deviate from the correct road.
Slopes When parking in sloped garages, when
travelling on banked roads, or in other cas-
es where the vehicle turns when tilted, an
error in the turning angle will occur, and the
vehicle mark may deviate from the road.
Map data Road not displayed on the map screen
When driving on new roads or other roads
not displayed on the map screen, map
matching does not function correctly and
matches the location to a nearby road.
When the vehicle returns to a road which is
on the map, the vehicle mark may deviate
from the correct road.
Different road pattern
(Changed due to repair) If the road pattern stored in the map data
and the actual road pattern are different,
map matching does not function correctly
and matches the location to a nearby road.
The vehicle mark may deviate from the cor-
rect road.
Vehicle Use of tire chains When tire chains are used, the mileage is
not correctly detected, and the vehicle mark
may deviate from the correct road.Drive the vehicle for a while. If
the distance still deviates, ad-
just it by using the distance ad-
justment function. (If the tire
chain is removed, recover the
original value.)
Cause (condition) –: While driving ooo: Display
Driving conditionRemarks (correction, etc.)
SEL709V
SEL710V
SEL699V
ELK0201D
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