wheel INFINITI QX56 2006 Factory User Guide

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Removal and Installation for CompressorEJS003YT
A/C Compressor Mounting
REMOVAL
1. Discharge the refrigerant. Refer to ATC-171, "HFC-134a (R-134a) Service Procedure" .
2. Remove the front right wheel and tire assembly. Refer to WT-7, "
Rotation" .
3. Remove the engine under cover and the splash shield using power tool.
4. Remove the engine air cleaner and air ducts. Refer to EM-15, "
AIR CLEANER AND AIR DUCT" .
5. Remove the drive belt. Refer to EM-13, "
DRIVE BELTS" .
6. Disconnect the compressor electrical connector.
7. Disconnect the high-pressure flexible hose and low-pressure flexible hose from the compressor. CAUTION:
Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
8. Remove the compressor bolts and nut using power tools.
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BREAK-IN OPERATION
When replacing compressor clutch assembly, always conduct the break-in operation. This is done by engag-
ing and disengaging the clutch about 30 times. Break-in operation raises the level of transmitted torque.
Removal and Installation for Low-pressure Flexible HoseEJS003YV
REMOVAL
1. Remove the engine room cover using power tools.
2. Remove the engine air cleaner and air ducts. Refer to EM-15, "
AIR CLEANER AND AIR DUCT"
3. Remove the cowl top extension. Refer to EI-18, "COWL TOP" .
4. Discharge the refrigerant. Refer to ATC-171, "
HFC-134a (R-134a) Service Procedure" .
CAUTION:
Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
5. Remove the low-pressure flexible hose.
INSTALLATION
Installation is in the reverse order of removal.
Refer to ATC-173, "
Components" .
CAUTION:

Replace the O-ring of the low-pressure flexible hose with a new one, then apply compressor oil to
it when installing it.

After charging refrigerant, check for leaks.
Removal and Installation for High-pressure Flexible HoseEJS003YW
REMOVAL
1. Remove the engine under cover.
2. Remove the engine air cleaner and air ducts. Refer to EM-15, "
AIR CLEANER AND AIR DUCT" .
3. Discharge the refrigerant. Refer to ATC-171, "
HFC-134a (R-134a) Service Procedure" .
4. Remove the high-pressure flexible hose. CAUTION:
Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
INSTALLATION
Installation is in the reverse order of removal.
Refer to ATC-173, "
Components" .
CAUTION:

Replace the O-ring of the high-pressure flexible hose with a new one, then apply compressor oil to
it when installing it.

After charging refrigerant, check for leaks.
Removal and Installation for High-pressure PipeEJS003YX
REMOVAL
1. Remove the cowl top extension. Refer to EI-18, "COWL TOP" .
2. Disconnect the battery negative terminal and positive battery terminal.
3. Reposition the IPDM E/R aside.
4. Remove the front right wheel and tire assembly. Refer to WT-7, "
Rotation" .
5. Position aside the front floor insulator.
6. Discharge the refrigerant. Refer to ATC-171, "
HFC-134a (R-134a) Service Procedure" .
7. Remove the low pressure pipe. Refer to ATC-180, "
Removal and Installation for Low-pressure Pipe" .
8. Remove the high-pressure pipe. CAUTION:
Cap or wrap the joint of the pipe with suitable material such as vinyl tape to avoid the entry of air.
INSTALLATION
Installation is in the reverse order of removal.
Refer to ATC-173, "
Components" .

ATC-182
REFRIGERANT LINES
Revision: November 20092006 QX56
5. Remove the front and rear bumper fascia. Refer to EI-13, "FRONT BUMPER" (front), EI-15, "REAR
BUMPER" (rear).
6. Reposition the front fender protector out of the way. Refer to EI-23, "
FENDER PROTECTOR" .
7. Disconnect the chassis harness connector.
8. Remove the spare wheel and tire.
9. Remove the tailpipe and tailpipe hanger bracket. Refer to EX-3, "
Removal and Installation" .
10. Remove the seatbelt latch anchor. Refer to RSU-26, "
Components" .
11. Remove the front floor heat shield.
12. Disconnect each end of the underfloor rear high- and low-pressure A/C and heater core pipes. Refer to ATC-173, "
Components" .
CAUTION:
Cap or wrap the joint of the pipes with suitable material such as vinyl tape to avoid the entry of air.
13. Set two suitable jacks at the RH body mount points to support the vehicle body when it is separated from the RH side of the frame.
14. Remove the RH body mount bolts. Refer to BL-159, "
Body Mounting" .
15. Use the vehicle hoist to lower the RH side of the frame from the RH side of the body [approximately 305 mm (12 in)] until there is sufficient clearance to remove the underfloor rear high- and low-pressure A/C
and heater core pipes from between the body and the frame.
16. Remove the underfloor rear high- and low-pressure A/C and heater core pipes from the back of the vehi- cle.
INSTALLATION
Installation is in the reverse order of removal.
Refer to ATC-173, "
Components" .
CAUTION:

Replace the O-ring of the high/low-pressure pipe with a new one, then apply compressor oil to it
when installing it.

After charging refrigerant, check for leaks.
Removal and Installation for Refrigerant Pressure SensorEJS003YZ
REMOVAL
1. Discharge the refrigerant. Refer to ATC-171, "HFC-134a (R-134a) Service Procedure" .
2. Disconnect the refrigerant pressure sensor electrical connector and remove the refrigerant pressure sensor from the condenser.
CAUTION:
Be careful not to damage the condenser fins.
INSTALLATION
Installation is in the reverse order of removal.
Refer to ATC-173, "
Components" .
CAUTION:

Be careful not to damage the condenser fins.

Replace the O-ring of the refrigerant pressure sensor with a new one, then apply compressor oil to
it when installing it.

After charging refrigerant, check for leaks.
Removal and Installation for CondenserEJS003Z0
REMOVAL
1. Discharge the refrigerant. Refer to ATC-171, "HFC-134a (R-134a) Service Procedure" .
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AV-1
AUDIO, VISUAL, NAVIGATION & TELEPHONE SYS-TEM
K ELECTRICAL
CONTENTS
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PRECAUTIONS .....................................................
..... 4
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 4
PREPARATION ...................................................... ..... 5
Commercial Service Tool .................................... ..... 5
AUDIO .................................................................... ..... 6
Component Parts and Harness Connector Location ..... 6
System Description ............................................. ..... 8
REAR AUDIO REMOTE CONTROL UNIT ...... ..... 8
SATELLITE RADIO TUNER (PRE-WIRING) ... ..... 9
SATELLITE RADIO TUNER (FACTORY
INSTALLED) .................................................... ..... 9
SPEED SENSITIVE VOLUME SYSTEM ......... ..... 9
Schematic ........................................................... ... 10
Wiring Diagram — AUDIO — .............................. .... 11
Terminals and Reference Value for Audio Unit .... ... 22
Terminals and Reference Value for BOSE Speaker
Amp. .................................................................... ... 25
Terminals and Reference Value for Rear Audio
Remote Control Unit ............................................ ... 28
Terminals and Reference Value for AV Switch .... ... 29
Terminals and Reference Value for Satellite Radio
Tuner (Factory Installed) ..................................... ... 30
AV Switch Self-Diagnosis Function ..................... ... 31
STARTING THE SELF-DIAGNOSIS MODE .... ... 31
EXITING THE SELF-DIAGNOSIS MODE ........ ... 31
DIAGNOSIS FUNCTION .................................. ... 31
Trouble Diagnosis ............................................... ... 32
MALFUNCTION WITH RADIO AND CD .......... ... 32
FOR RADIO ONLY ........................................... ... 32
FOR CD ONLY ................................................. ... 33
FOR SATELLITE RADIO TUNER (FACTORY
INSTALLED) ONLY .......................................... ... 33
Noise Inspection .................................................. ... 33
TYPE OF NOISE AND POSSIBLE CAUSE ..... ... 33
Power Supply Circuit Inspection ......................... ... 35
Satellite Radio Tuner (Factory Installed) Power and
Ground Supply Circuit Inspection ........................ ... 37
Satellite Radio Tuner (Factory Installed) Commu- nication Circuit Inspection ....................................
... 38
Satellite Radio Tuner (Factory Installed) Left Chan-
nel Audio Signal Circuit Inspection ...................... ... 40
Satellite Radio Tuner (Factory Installed) Right
Channel Audio Signal Circuit Inspection ............. ... 41
Steering Switch Check ......................................... ... 41
AV Switch Check ................................................. ... 43
Audio Communication Line Check ...................... ... 44
Sound Is Not Heard From Front Door Speaker or
Front Tweeter ...................................................... ... 44
Sound Is Not Heard From Rear Door Speaker or
Rear Door Tweeter ................................................. 48
Sound Is Not Heard From Center Speaker ......... ... 51
Sound Is Not Heard From Subwoofer .................... 52
Removal and Installation ..................................... ... 55
AUDIO UNIT ..................................................... ... 55
AV SWITCH ...................................................... ... 55
BOSE SPEAKER AMP. .................................... ... 55
CENTER SPEAKER ......................................... ... 56
FRONT DOOR SPEAKER ............................... ... 56
FRONT TWEETER .......................................... ... 56
REAR AUDIO REMOTE CONTROL UNIT ....... ... 57
REAR DOOR SPEAKER .................................. ... 57
REAR DOOR TWEETER ................................. ... 57
SATELLITE RADIO ANTENNA ........................ ... 58
SATELLITE RADIO TUNER ............................. ... 58
STEERING WHEEL AUDIO CONTROL
SWITCHES ...................................................... ... 59
SUBWOOFER .................................................. ... 59
AUDIO ANTENNA ................................................. ... 60
System Description .............................................. ... 60
Wiring Diagram — W/ANT — .............................. ... 61
Location of Antenna ............................................. ... 62
Window Antenna Repair ...................................... ... 62
ELEMENT CHECK ........................................... ... 62
ELEMENT REPAIR .......................................... ... 63
TELEPHONE .......................................................... ... 64
Component Parts and Harness Connector Location ... 64
System Description .............................................. ... 65
BLUETOOTH® HANDS-FREE PHONE SYS-

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*** ” is Shown) .....................................................
. 153
Distance to Empty Displayed is Not Shown (“ *** ”
is Shown) ............................................................ . 154
Driving Distance or Average Speed Displayed is Not
Shown (“ *** ” is Shown) ...................................... . 154
WARNING DOOR OPEN Screen is Not Shown . . 154
Unable to Operate All of AV Switches (Unable to
Start Self-Diagnosis) ........................................... . 155
Audio Does Not Work .......................................... . 155
Navigation System Does Not Activate ................ . 155
Previous NAVI Conditions are Not Stored ........... . 156
Previous Vehicle Conditions are Not Stored ....... . 156
Position of Current Location Mark is Not Correct . 156
Radio Wave From GPS Satellite is Not Received . 156
Driving Test ......................................................... . 157
Example of Symptoms Judged Not Malfunction . . 158
BASIC OPERATION ........................................ . 158
VEHICLE MARK .............................................. . 158
DESTINATION, PASSING POINTS, AND MENU
ITEMS CANNOT BE SELECTED/SET ............ . 159
VOICE GUIDE .................................................. . 159
ROUTE SEARCH ............................................. . 160
EXAMPLES OF CURRENT-LOCATION MARK
DISPLACEMENT ............................................. . 161
CURRENT-LOCATION MARK SHOWS A POSI-
TION WHICH IS COMPLETELY WRONG ....... . 164CURRENT-LOCATION MARK JUMPS ............
.164
CURRENT-LOCATION MARK IS IN A RIVER OR
SEA .................................................................. .165
WHEN DRIVING ON SAME ROAD, SOME-
TIMES CURRENT-LOCATION MARK IS IN
RIGHT PLACE AND SOMETIMES IT IS WRONG
PLACE .............................................................. .165
LOCATION CORRECTION BY MAP-MATCH-
ING IS SLOW ................................................... .165
ALTHOUGH GPS RECEIVING DISPLAY IS
GREEN, VEHICLE MARK DOES NOT RETURN
TO CORRECT LOCATION ............................... .165
NAME OF CURRENT PLACE IS NOT DIS-
PLAYED ............................................................ .165
CONTENTS OF DISPLAY DIFFER FOR BIRD-
VIEW™ AND THE (FLAT) MAP SCREEN ....... .165
Program Loading of NAVI Control Unit ................ .166
Removal and Installation ..................................... .167
AV SWITCH ...................................................... .167
DISPLAY CONTROL UNIT ............................... .167
DISPLAY UNIT ................................................. .167
GPS ANTENNA ................................................ .167
NAVI CONTROL UNIT ..................................... .168
STEERING WHEEL AUDIO CONTROL
SWITCHES ...................................................... .168

AUDIOAV-7
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1. Fuse block (J/B)2. Fuse and fusible link box 3. Front tweeter LH
M109
4. Combination meter M24 5. Center speaker
M110 6. Display unit
M93
7. Display control unit M94, M95 8. Front tweeter RH
M 111 9. AV Switch
M98
10. Audio unit M43, M44, M45, M46 11. BOSE speaker amp
M112, M113 12. Satellite radio tuner (pre-wiring or factory
installed, if equipped)
M41
13. Steering wheel audio control switches 14. Front door speaker LH, RH D12, D11215. Rear door tweeter LH, RH
D208, D308
16. Rear door speaker LH, RH D207, D307 17. Driver seat
18. Subwoofer
B72
19. Rear audio remote control unit R204

AV-8
AUDIO
Revision: November 20092006 QX56
System DescriptionEKS00BI8
Refer to Owner's Manual for audio system operating instructions.
Power is supplied at all times

through 15A fuse [No. 17, located in the fuse block (J/B)]

to subwoofer terminal 6

through 20A fuse [No. 31, located in the fuse and fusible link box]

to audio unit terminal 6

to BOSE speaker amp. terminal 1

to AV switch terminal 1 and

to display control unit terminal 1.
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 audio unit terminal 10 and

to AV switch terminal 2 and

to display control unit terminal 10.
With the ignition switch in the ON or START position, power is supplied

through 10A fuse [No. 12, located in the fuse block (J/B)]

to display control unit terminal 12.
Ground is supplied through the case of the audio unit.
Ground is also supplied

to subwoofer terminal 5

through body grounds B7 and B19 and

to BOSE speaker amp. terminal 17

to AV switch terminal 5 and

to display unit terminal 1 and

to display control unit terminal 3

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

through audio unit terminals 1, 2, 3, 4, 13, 14, 15 and 16

to BOSE speaker amp. terminals 23, 24, 25, 26, 27, 28, 29 and 30.
Audio signals are amplified by the BOSE speaker amp.
The amplified audio signals are supplied

through BOSE speaker amp. terminals 2, 3, 9,10,11,12, 13, 14, 15, 16, 18 and 19

to terminals + and - of front door speaker LH and RH and

to terminals + and - of front tweeter LH and RH and

to terminals + and - of center speaker and

to terminals + and - of rear door speaker LH and RH and

to terminals + and - of rear door tweeter LH and RH and

to terminals 1 and 2 of subwoofer.
When one of steering wheel audio control switches is pushed, the resistance in steering switch circuit changes
depending on which button is pushed.
REAR AUDIO REMOTE CONTROL UNIT
Power is supplied

from audio unit terminal 32

to rear audio remote control unit terminal 13.
Ground is supplied

to rear audio remote control unit terminal 15

through body grounds B117 and B132.
Audio signals are supplied

AUDIOAV-29
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Terminals and Reference Value for AV SwitchEKS00BIE
Terminal No.
(Wire color) ItemSignal
input/
output Condition
Vo l ta g e
(Approx.) Example of
symptom
+ – Ignition
switch Operation
1 (Y) Ground Battery
power Input OFF
–Battery voltage System does not
work properly.
2 (V) Ground ACC signal Input ACC –Battery voltage System does not
work properly.
3 (R/L) Ground Illumination
signal Input OFF Lighting switch is
ON (position 1).
Battery voltageAV switch illumi-
nation does not
come on when
lighting switch is
ON (position 1).
Turn lighting switch
OFF.
Approx. 3.0V or less
4 (BR) Ground Illumination
control signal Input ON Illumination control
switch is operated
by lighting switch in
1st position. Changes between 0 and 12V.
AV switch illumi-
nation cannot be
controlled.
5 (B) Ground Ground –ON – 0V –
6 (V) Ground Communica-
tion signal (+) Input/
output ON
– System does not
work properly.
7 –Shield
ground –– –
–
8 (LG) Ground Communica-
tion signal (-) Input/
output ON
– System does not
work properly.
12 (R) Ground Remote con-
trol A Input ON Press MODE
switch 0V
Steering wheel
audio controls
do not function.
Press SEEK UP
switch 0.75V
Press VOL UP switch 2V
Except for above 5V
13 (G) Ground Remote con-
trol B Input ON Press POWER
switch 0V
Steering wheel
audio controls
do not function.
Press SEEK
DOWN switch 0.75V
Press VOL DOWN switch 2V
Except for above 5V
14 (L) –Remote con-
trol ground –– –
–Steering wheel
audio controls
do not function.
16 (W/B) Ground CD EJECT
signal Output ON Pressed
0V
CD eject does
not function.
Released 5V
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AUDIOAV-43
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4. SPIRAL CABLE CHECK
1. Disconnect spiral cable connector M102.
2. Check continuity between spiral cable terminals.
OK or NG
OK >> GO TO 5.
NG >> Replace spiral cable. Refer to SRS-48, "
SPIRAL CABLE" .
5. CHECK STEERING SWITCH RESISTANCE
Check resistance between steering switch terminals.
OK or NG
OK >> Inspection End.
NG >> Replace steering switch. Refer to AV- 5 9 , "
STEERING WHEEL AUDIO CONTROL SWITCHES" .
AV Switch CheckEKS00BIK
1. AV SWITCH SELF-DIAGNOSIS FUNCTION CHECK
1. Perform AV switch self-diagnosis function. Refer to AV- 3 1 , "
AV Switch Self-Diagnosis Function" .
Does AV switch operate normally?
YES >> Inspection End.
NO >> GO TO 2.
2. CHECK AV SWITCH POWER SUPPLY AND GROUND CIRCUIT
1. Check AV switch power supply and ground circuit. Refer to AV- 1 3 0 , "
Power Supply and Ground Circuit
Check for AV Switch" .
OK or NG
YES >> Replace AV switch. Refer to AV- 5 5 , "AV SWITCH" .
NO >> Repair malfunctioning part.
Terminals
Continuity
Spiral cable
Connector Terminal Connector Terminal
M30 32
M102 16
Ye s
31 17
24 20
WKIA4424E
Terminal Signal name ConditionResistance
(Ω )
(Approx.)
16 17 Seek (down) Depress (station) down switch. 165
Power
Depress power switch. 0
Volume (down) Depress volume down switch. 652
20 17 Seek (up) Depress (station) up switch.
165
Mode Depress mode switch. 0
Volume (up) Depress volume up switch. 652
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AUDIOAV-59
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5. Remove satellite radio tuner screws (A) and remove satellite
radio tuner from Bose speaker amp./satellite radio tuner bracket
(1).
Installation
Installation is in the reverse order of removal.
STEERING WHEEL AUDIO CONTROL SWITCHES
Removal
1. Remove steering wheel. Refer to PS-8, "Removal and Installation" .
2. Remove steering wheel rear cover screws and remove steering wheel rear cover.
3. Remove steering wheel switch assembly screws and steering wheel switches.
Installation
Installation is in the reverse order of removal.
SUBWOOFER
Removal
1. Remove front driver seat. Refer to SE-91, "Removal and Installation" .
2. Remove the subwoofer bolts.
3. Disconnect subwoofer connector and remove the subwoofer.
Installation
Installation is in the reverse order of removal.
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