INFINITI QX56 2010 Factory Service Manual

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FUSE, FUSIBLE LINK AND RELAY BOXPG-71
< COMPONENT DIAGNOSIS >
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FUSE AND RELAY BOX
ABMIA1208GB
Revision: April 20092010 QX56

PG-72
< COMPONENT DIAGNOSIS >
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE
ROOM)
IPDM E/R Terminal Arrangement - Type AINFOID:0000000005370327
WKIA5852E
Revision: April 20092010 QX56

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IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PG-73
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IPDM E/R Terminal Ar
rangement - Type BINFOID:0000000005370328
NOTE:
Numbers preceded by an "F" represent the fuse number s imprinted on the IPDM E/R. The other numbers
represent the fuse numbers as they appear in the wiring diagrams.
AAMIA0364GB
Revision: April 20092010 QX56

PG-74
< ON-VEHICLE REPAIR >
BATTERY
ON-VEHICLE REPAIR
BATTERY
Removal and InstallationINFOID:0000000005146588
REMOVAL
1. Disconnect the negative battery terminal (1) and positive batteryterminal (2).
CAUTION:
Remove negative battery terminal first.
2. Remove the battery cover.
3. Remove the battery clamp bolt (3) and battery clamp.
4. Remove the battery.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
When installing, install the po sitive battery terminal first.
Reset electronic systems as necessary. Refer to PG-8, "
ADDITIONAL SERVICE WHEN REMOVING BAT-
TERY NEGATIVE TERMINAL : Special Repair Requirement".
: Front
AWBIA0504ZZ
Battery clamp bolt : 14.7 N·m (1.5 kg-m, 11 ft-lb)
Battery terminal nut : 3.5 N·m (0.36 kg-m, 31 in-lb)
Revision: April 20092010 QX56

PG
SERVICE DATA AND SPECIFICATIONS (SDS)PG-75
< SERVICE DATA AND SPECIFICATIONS (SDS)
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
BatteryINFOID:0000000005146589
Ty p e
Gr. 27F
Capacity (20 HR) minimum V-AH 80
Cold cranking current A
(For reference value) 710
Revision: April 20092010 QX56

PWC-1
BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY
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SECTION 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) ...................................................
11
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 ................................................................
14
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: April 20092010 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
POWER WINDOW MAIN SWITCH ................ ...51
Reference Value .................................................. ...51
Wiring Diagram .......................................................53
Fail Safe .................................................................64
FRONT POWER WINDOW SWITCH ................66
Reference Value .................................................. ...66
Wiring Diagram .......................................................68
Fail Safe .................................................................79
BCM (BODY CONTROL MODULE) ..................81
Reference Value .................................................. ...81
Terminal Layout ......................................................84
Physical Values .......................................................84
Wiring Diagram .......................................................90
Fail Safe .................................................................94
DTC Inspection Priority Chart ...............................95
DTC Index ..............................................................95
SYMPTOM DIAGNOSIS ............................97
NONE OF THE POWER WINDOWS CAN BE
OPERATED USING ANY SWITCH ................ ...
97
Diagnosis Procedure ............................................ ...97
DRIVER SIDE POWER WINDOW ALONE
DOES NOT OPERATE ......................................
98
Diagnosis Procedure ............................................ ...98
FRONT PASSENGER SIDE POWER WIN-
DOW ALONE DOES NOT OPERATE ...............
99
Diagnosis Procedure ............................................ ...99
REAR LH SIDE POWER WINDOW ALONE
DOES NOT OPERATE .....................................
100
Diagnosis Procedure ............................................ .100
REAR RH SIDE POWER WINDOW ALONE
DOES NOT OPERATE .....................................
101
Diagnosis Procedure ............................................ .101
ANTI-PINCH SYSTEM DOES NOT OPERATE
NORMALLY (DRIVER SIDE) ...........................
102
Diagnosis Procedure ............................................ .102
Revision: April 20092010 QX56

PWC-3
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ANTI-PINCH SYSTEM DOES NOT OPERATE
NORMALLY (PASSENGER SIDE) ................ ..
103
Diagnosis Procedure ........................................... ..103
ANTI-PINCH SYSTEM DOES NOT OPERATE
NORMALLY (REAR LH SIDE) .........................
104
Diagnosis Procedure ........................................... ..104
ANTI-PINCH SYSTEM DOES NOT OPERATE
NORMALLY (REAR RH SIDE) ........................
105
Diagnosis Procedure ........................................... ..105
AUTO OPERATION DOES NOT OPERATE
BUT MANUAL OPERATES NORMALLY
(DRIVER SIDE) .................................................
106
Diagnosis Procedure .............................................106
AUTO OPERATION DOES NOT OPERATE
BUT MANUAL OPERATES NORMALLY
(PASSENGER SIDE) ...................................... ..
107
Diagnosis Procedure ........................................... ..107
AUTO OPERATION DOES NOT OPERATE
BUT MANUAL OPERATES NORMALLY
(REAR LH SIDE) ..............................................
108
Diagnosis Procedure ........................................... ..108
AUTO OPERATION DOES NOT OPERATE
BUT MANUAL OPERATES NORMALLY
(REAR RH SIDE) ..............................................
109
Diagnosis Procedure ........................................... ..109
POWER WINDOW RETAINED POWER OP-
ERATION DOES NOT OPERATE PROPERLY
..
110
Diagnosis Procedure ........................................... ..110
DOES NOT OPERATE BY KEY CYLINDER
SWITCH ...........................................................
111
Diagnosis Procedure ........................................... ..111
KEYLESS POWER WINDOW DOWN DOES
NOT OPERATE ...............................................
112
Diagnosis Procedure .............................................112
POWER WINDOW LOCK SWITCH DOES
NOT FUNCTION ..............................................
113
Diagnosis Procedure .............................................113
REAR POWER VENT WINDOWS DO NOT
OPERATE .......................................................
114
Diagnosis Procedure .............................................114
PRECAUTION ............................................115
PRECAUTIONS ...............................................115
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ..
115
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect .................................
115
ON-VEHICLE REPAIR ...............................117
POWER WINDOW MAIN SWITCH .................117
Removal and Installation ..................................... ..117
FRONT POWER WINDOW SWITCH ..............118
Removal and Installation .......................................118
REAR POWER WINDOW SWITCH ................119
Removal and Installation .......................................119
REAR POWER VENT WINDOW SWITCH .....120
Removal and Installation .......................................120
Revision: April 20092010 QX56

PWC-4
< BASIC INSPECTION >
DIAGNOSIS AND REPAIR WORKFLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work FlowINFOID:0000000005147164
DETAILED FLOW
1. OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain the malfunction information (conditions and environment when the malfunc-
tion occurred) as much as possible when the customer brings the vehicle in.
>> GO TO 2
2. REPRODUCE THE MALFUNCTION INFORMATION
Check the malfunction on the vehicle that the customer describes.
Inspect the relation of the symptoms and the condition when the symptoms occur.
>> GO TO 3
3. IDENTIFY THE MALFUNCTIONING S YSTEM WITH “SYMPTOM DIAGNOSIS”
Use “Symptom diagnosis” from the symptom inspection re sult in step 2 and then identify where to start per-
forming the diagnosis based on possible causes and symptoms.
>> GO TO 4
4. IDENTIFY THE MALFUNCTIONING PA RTS WITH “COMPONENT DIAGNOSIS”
Perform the diagnosis with “Component diagnosis” of the applicable system.
>> GO TO 5
5. REPAIR OR REPLACE THE MALFUNCTIONING PARTS
Repair or replace the specified malfunctioning parts.
>> GO TO 6
6. FINAL CHECK
Check that malfunctions are not reproduced when obtaini ng the malfunction information from the customer,
referring to the symptom inspection result in step 2.
Are the malfunctions corrected?
YES >> Inspection End.
NO >> Refer to GI-38, "
Intermittent Incident".
Revision: April 20092010 QX56

POWER WINDOW SYSTEMPWC-5
< FUNCTION DIAGNOSIS >
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FUNCTION DIAGNOSIS
POWER WINDOW SYSTEM
System DiagramINFOID:0000000005147165
POWER WINDOW ANTI-PINCH SYSTEM
System DescriptionINFOID:0000000005147166
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: April 20092010 QX56