2008 INFINITI QX56 diagram

PWC-1
BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY
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SECTION PWC
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PWC
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CONTENTS
POWER WINDOW CONTROL SYSTEM
BASIC INSPECTION ....... .............................4
DIAGNOSIS AND REPAIR WORKFLOW ..... .....4
Work Flow ........................................................... ......4
FUNCTION DIAGNOSIS ...............................5
POWER WINDOW SYST EM ...............................5
System Diagram ................................................. ......5
System Description ...................................................5
Component Parts Location ......................................8
Component Description .............................................8
DIAGNOSIS SYSTEM (BCM) ............................10
COMMON ITEM ..................................................... ....10
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) .....................................................
10
RETAINED PWR .......................................................10
RETAINED PWR : CONSULT-III Function (BCM -
RETAINED PWR) ...................................................
10
COMPONENT DIAGNOSIS .........................12
POWER SUPPLY AND GROUND CIRCUIT .. ....12
POWER WINDOW MAIN SWITCH ........................ ....12
POWER WINDOW MAIN SWITCH : Description ....12
POWER WINDOW MAIN SWITCH : Component
Function Check .......................................................
12
POWER WINDOW MAIN SWITCH : Diagnosis
Procedure ................................................................
12
FRONT POWER WINDOW SWITCH .................... ....13
FRONT POWER WINDOW SWITCH : Descrip-
tion ..........................................................................
13
FRONT POWER WINDOW SWITCH : Compo-
nent Function Check ...............................................
13
FRONT POWER WINDOW SWITCH : Diagnosis
Procedure ................................................................
13
REAR POWER WINDOW SWITCH ....................... ....15
REAR POWER WINDOW SWITCH : Description ....15
REAR POWER WINDOW SWITCH : Component
Function Check ........................................................
15
REAR POWER WINDOW SWITCH : Diagnosis
Procedure ................................................................
15
REAR POWER WINDOW SWITCH : Component
Inspection ................................................................
16
POWER WINDOW MOTOR ..............................17
DRIVER SIDE ......................................................... ....17
DRIVER SIDE : Description .....................................17
DRIVER SIDE : Component Function Check ..........17
DRIVER SIDE : Diagnosis Procedure .....................17
DRIVER SIDE : Component Inspection ...................18
PASSENGER SIDE ....................................................18
PASSENGER SIDE : Descript ion ............................18
PASSENGER SIDE : Component Function Check
....
18
PASSENGER SIDE : Diagnosis Procedure ............18
PASSENGER SIDE : Component Inspection ..........19
REAR LH ................................................................ ....20
REAR LH : Description ............................................20
REAR LH : Component Function Check .................20
REAR LH : Diagnosis Procedure .............................20
REAR LH : Component Inspection ..........................21
REAR RH ............................................................... ....21
REAR RH : Description ...........................................21
REAR RH : Component Function Check .................21
REAR RH : Diagnosis Procedure ............................21
REAR RH : Component Inspection .........................22
ENCODER .........................................................23
DRIVER SIDE ......................................................... ....23
DRIVER SIDE : Description .....................................23
DRIVER SIDE : Component Function Check ..........23
DRIVER SIDE : Diagnosis Procedure .....................23
PASSENGER SIDE ....................................................25
Revision: March 2010 2008 QX56

PWC-2
PASSENGER SIDE : Description ...........................25
PASSENGER SIDE : Compo nent Function Check
...
25
PASSENGER SIDE : Diagnosis Procedure ........ ...25
REAR LH ................................................................ ...28
REAR LH : Description ...........................................28
REAR LH : Component Function Check ................28
REAR LH : Diagnosis Procedure ............................28
REAR RH ............................................................... ...30
REAR RH : Description ..........................................31
REAR RH : Component Function Check ................31
REAR RH : Diagnosis Procedure ...........................31
DOOR SWITCH .................................................34
Description ..............................................................34
Component Function Check ...................................34
Diagnosis Procedure ..............................................34
Component Inspection ............................................35
DOOR KEY CYLINDER SWITCH ......................36
Description ........................................................... ...36
Component Function Check ...................................36
Diagnosis Procedure ..............................................36
Component Inspection ............................................37
POWER WINDOW SERIAL LINK .....................39
POWER WINDOW MAIN SWITCH ........................ ...39
POWER WINDOW MAIN SWITCH : Description ...39
POWER WINDOW MAIN SWITCH : Component
Function Check .......................................................
39
POWER WINDOW MAIN SWITCH : Diagnosis
Procedure ...............................................................
39
FRONT POWER WINDOW SWITCH ..................... ...40
FRONT POWER WINDOW SWITCH : Descrip-
tion ..........................................................................
40
FRONT POWER WINDOW SWITCH : Compo-
nent Function Check ...............................................
40
FRONT POWER WINDOW SWITCH : Diagnosis
Procedure ...............................................................
41
REAR POWER WINDOW SWITCH ....................... ...42
REAR POWER WINDOW SWITCH : Power Win-
dow Serial Link Check Rear LH or RH ...................
42
POWER WINDOW LOCK SWITCH ...................43
Description ........................................................... ...43
Component Function Check ...................................43
REAR POWER VENT WINDOW SWITCH
CIRCUIT CHECK ...............................................
44
Description ........................................................... ...44
Diagnosis Procedure ..............................................44
REAR POWER VENT WINDOW MOTOR LH
CIRCUIT CHECK ...............................................
45
Description ........................................................... ...45
Diagnosis Procedure ..............................................45
REAR POWER VENT WINDOW MOTOR RH
CIRCUIT CHECK ...............................................
46
Description ........................................................... ...46
Diagnosis Procedure ...............................................46
REAR POWER VENT WINDOW RELAY
(OPEN) CHECK .................................................
47
Description ........................................................... ...47
Diagnosis Procedure ...............................................47
REAR POWER VENT WINDOW RELAY
(CLOSE) CHECK ...............................................
49
Description ........................................................... ...49
Diagnosis Procedure ...............................................49
ECU DIAGNOSIS .......................................51
BCM (BODY CONTROL MODULE) ............... ...51
Reference Value .................................................. ...51
Terminal Layout ......................................................53
Physical Values .......................................................53
Wiring Diagram .......................................................59
Fail Safe .................................................................62
DTC Inspection Priority Chart ...............................63
DTC Index ..............................................................63
POWER WINDOW MAIN SWITCH ...................65
Reference Value .................................................. ...65
Wiring Diagram .......................................................67
Fail Safe .................................................................78
FRONT POWER WINDOW SWITCH ................80
Reference Value .................................................. ...80
Wiring Diagram .......................................................82
Fail Safe .................................................................93
SYMPTOM DIAGNOSIS ............................95
NONE OF THE POWER WINDOWS CAN BE
OPERATED USING ANY SWITCH ................ ...
95
Diagnosis Procedure ............................................ ...95
DRIVER SIDE POWER WINDOW ALONE
DOES NOT OPERATE ......................................
96
Diagnosis Procedure ............................................ ...96
FRONT PASSENGER SIDE POWER WIN-
DOW ALONE DOES NOT OPERATE ...............
97
Diagnosis Procedure ............................................ ...97
REAR LH SIDE POWER WINDOW ALONE
DOES NOT OPERATE ......................................
98
Diagnosis Procedure ............................................ ...98
REAR RH SIDE POWER WINDOW ALONE
DOES NOT OPERATE ......................................
99
Diagnosis Procedure ............................................ ...99
ANTI-PINCH SYSTEM DOES NOT OPERATE
NORMALLY (DRIVER SIDE) ...........................
100
Diagnosis Procedure ............................................ .100
Revision: March 2010 2008 QX56

POWER WINDOW SYSTEMPWC-5
< FUNCTION DIAGNOSIS >
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PWC
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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

BCM (BODY CONTROL MODULE)PWC-59
< ECU DIAGNOSIS >
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PWC
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Wiring DiagramINFOID:0000000004874953
ABMWA0918GB
Revision: March 2010 2008 QX56

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

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

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

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