diagram INFINITI QX56 2008 Factory Service Manual
[x] Cancel search | Manufacturer: INFINITI, Model Year: 2008, Model line: QX56, Model: INFINITI QX56 2008Pages: 4083, PDF Size: 81.73 MB
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POWER WINDOW SYSTEMPWC-5
< FUNCTION DIAGNOSIS >
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FUNCTION DIAGNOSIS
POWER WINDOW SYSTEM
System DiagramINFOID:0000000001735644
POWER WINDOW ANTI-PINCH SYSTEM
System DescriptionINFOID:0000000001735645
POWER WINDOW MAIN SWITCH
INPUT/OUTPUT SIGNAL CHART
POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
INPUT/OUTPUT SIGNAL CHART
ALKIA1301GB
Item Input signal to main power window and
door lock/unlock switch Main power window and door
lock/unlock switch function Actuator
Key cylinder switch LOCK/UNLOCK signal (more than 1.5
seconds over)
Power window controlFront power window motor
Encoder
Encoder pulse signal
Main power window
and door lock/unlock
switch Front power window motor LH UP/
DOWN signal
Power window and
door lock/unlock
switch RH Front power window motor RH UP/
DOWN signal
BCM RAP signal
Rear power window
control unit Rear power window motor UP/DOWN
signal
Rear power window motor
Revision: March 2010
2008 QX56
Page 2900 of 4083

BCM (BODY CONTROL MODULE)PWC-59
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PWC
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Wiring DiagramINFOID:0000000004874953
ABMWA0918GB
Revision: March 2010 2008 QX56
Page 2908 of 4083

POWER WINDOW MAIN SWITCHPWC-67
< ECU DIAGNOSIS >
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Wiring DiagramINFOID:0000000001735738
AWKWA0013GB
Revision: March 2010 2008 QX56
Page 2923 of 4083

PWC-82
< ECU DIAGNOSIS >
FRONT POWER WINDOW SWITCH
Wiring Diagram
INFOID:0000000004874970
AWKWA0013GB
Revision: March 2010 2008 QX56
Page 2960 of 4083

PWO
PWO-1
ELECTRICAL & POWER CONTROL
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SECTION PWO
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CONTENTS
POWER OUTLET
PRECAUTION .......
........................................2
PRECAUTIONS .............................................. .....2
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
2
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ............................... ......
2
PREPARATION ............................................4
PREPARATION .............................................. .....4
Special Service Tool ........................................... ......4
COMPONENT DIAGNOSIS ..........................5
POWER SOCKET ..............................................5
Wiring Diagram .................................................... .....5
ON-VEHICLE REPAIR ..................................8
POWER SOCKET ..............................................8
Front Power Socket RH (For Cigarette Lighter),
Console Power Socket ........................................ .....
8
Front Power Socket LH, Rear Cargo Power Sock-
et ...............................................................................
8
Revision: March 2010 2008 QX56
Page 2964 of 4083

PWO
POWER SOCKETPWO-5
< COMPONENT DIAGNOSIS >
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COMPONENT DIAGNOSIS
POWER SOCKET
Wiring DiagramINFOID:0000000001744757
ALMWA0071GB
Revision: March 2010
2008 QX56
Page 2985 of 4083

RF-1
BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY
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SECTION RF
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CONTENTS
ROOF
BASIC INSPECTION ....... .............................3
DIAGNOSIS AND REPAIR WORKFLOW ..... .....3
Work Flow ........................................................... ......3
INSPECTION AND ADJUSTMENT .....................5
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT .................................................... ......
5
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description ..................................
5
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement .......
5
BASIC INSPECTION ...................................................5
BASIC INSPECTION : Spec ial Repair Require-
ment .................................................................... ......
5
FUNCTION DIAGNOSIS ...............................6
SUNROOF SYSTEM ...................................... .....6
System Diagram ................................................. ......6
System Description ...................................................6
Component Parts Location ......................................7
Component Description ............................................7
DIAGNOSIS SYSTEM (BCM) .............................8
COMMON ITEM ..................................................... ......8
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) .......................................................
8
RETAINED PWR .........................................................8
RETAINED PWR : CONSULT-III Function (BCM -
RETAINED PWR) .....................................................
8
COMPONENT DIAGNOSIS .........................10
POWER SUPPLY AND GROUND CIRCUIT .. ....10
SUNROOF MOTOR ASSEMBLY .......................... ....10
SUNROOF MOTOR ASSEMBLY :
Diagnosis Procedure ..............................................
10
SUNROOF MOTOR ASSEMBLY : Special Repair
Requirement ........................................................ ....
11
SUNROOF SWITCH CIRCUIT ..........................12
Description ...............................................................12
Component Function Check ..................................12
Diagnosis Procedure ...............................................12
DOOR SWITCH .................................................14
Description ...............................................................14
Component Function Check ....................................14
Diagnosis Procedure ...............................................14
Component Inspection .............................................15
ECU DIAGNOSIS .........................................16
BCM (BODY CONTROL MODULE) .................16
Reference Value .................................................. ....16
Terminal Layout .......................................................18
Physical Values ................................................... ....18
Wiring Diagram ........................................................24
Fail Safe ..................................................................27
DTC Inspection Priority Chart ...............................28
DTC Index ...............................................................28
SUNROOF SYSTEM .........................................30
Reference Value ......................................................30
Wiring Diagram ........................................................31
SYMPTOM DIAGNOSIS ..............................35
SUNROOF DOES NOT OPERATE PROPER-
LY ......................................................................
35
Diagnosis Procedure ........................................... ....35
AUTO OPERATION DOES NOT OPERATE ....36
Diagnosis Procedure ...............................................36
DOES NOT STOP FULLY-OPEN OR FULLY-
CLOSED POSITION ..........................................
37
Diagnosis Procedure ...............................................37
Revision: March 2010 2008 QX56
Page 2990 of 4083

RF-6
< FUNCTION DIAGNOSIS >
SUNROOF SYSTEM
FUNCTION DIAGNOSIS
SUNROOF SYSTEM
System DiagramINFOID:0000000001731922
SUNROOF
System DescriptionINFOID:0000000001731923
SUNROOF SYSTEM
INPUT/OUTPUT SIGNAL CHART
SUNROOF OPERATION
• The sunroof motor assembly operates with a power supply that is output from the BCM while the ignition
switch is ON or retained power is operating.
• The tilt up/down & slide open/close signals from the sunr oof switch enable the sunroof motor to move arbi-
trarily.
AUTO OPERATION
The sunroof AUTO feature makes it possible to sli de open and slide close or tilt up and tilt down the sunroof
without holding the sunroof switch in the slide open/tilt down or slide close/tilt up position.
RETAINED POWER OPERATION
Retained power operation is an additional power supply function that enables the sunroof system to operate
up to 45 seconds after the ignition switch is turned OFF.
Retained power function cancel conditions
• When a front door is opened (door switch ON)
• When ignition switch is turned ON again.
• When 45 seconds elapse on the timer.
ALKIA0861GB
Item Input signal to sunroof motor assembly Sunroof motor function Actuator
Sunroof switch Sunroof switch signal (tilt down or slide
open)
Sunroof controlSunroof motor
Sunroof switch signal (tilt up or slide
close)
BCM RAP signal
Revision: March 2010 2008 QX56
Page 3008 of 4083

RF-24
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
Wiring Diagram
INFOID:0000000004874888
ABMWA0918GB
Revision: March 2010 2008 QX56
Page 3015 of 4083

SUNROOF SYSTEMRF-31
< ECU DIAGNOSIS >
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Wiring DiagramINFOID:0000000001731938
AAKWA0138GB
Revision: March 2010 2008 QX56