2010 INFINITI QX56 battery

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Page 813 of 4210

INFINITI QX56 2010 Factory Service Manual BCM (BODY CONTROL MODULE)DEF-25
< ECU DIAGNOSIS >
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44 O Rear wiper auto stop
switch 1 Input ONRise up position (rear wiper
arm on stopper)
0V
A Position (full clockwi

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INFINITI QX56 2010 Factory Service Manual DEF-26
< ECU DIAGNOSIS >
BCM (BODY CONTROL MODULE)
58 W/R Optical sensorInput ONWhen optical sensor is illumi-
nated
3.1V or more
When optical sensor is not illu-
minated 0.6V or less
59 G Front door

Page 827 of 4210

INFINITI QX56 2010 Factory Service Manual BOTH DOORS MIRROR DEFOGGER DON’T OPERATE BUT REAR WINDOW DEFOGGER OPERATES
DEF-39
< SYMPTOM DIAGNOSIS >
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BOTH DOORS MIRROR DEFOGGER DON’T OPERATE BUT REAR WIN-
DOW

Page 831 of 4210

INFINITI QX56 2010 Factory Service Manual PRECAUTIONSDEF-43
< PRECAUTION >
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:00000000053

PRECAUTIONSDEF-43
< PRECAUTION >
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005367609
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and w hether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inoper ative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintentional act ivation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipm ent on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identi fied by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Un it or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or el ectric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the battery, and wait at least 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
INFOID:0000000005367612
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecti ng both battery cables with the ignition knob in the
″ LOCK ″ position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS , an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables. NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
Revision: April 20092010 QX56

Page 832 of 4210

INFINITI QX56 2010 Factory Service Manual DEF-44
< PRECAUTION >
PRECAUTIONS
5. When the repair work is completed, return the ignition switch to the ″LOCK ″ position before connecting
the battery cables. (At this time, the steering lock me

Page 833 of 4210

INFINITI QX56 2010 Factory Service Manual REAR WINDOW DEFOGGERDEF-45
< ON-VEHICLE REPAIR >
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ON-VEHICLE REPAIR
REAR WINDOW DEFOGGER
Filament CheckINFOID:0000000005146857
1. When measuring voltage, wrap tin foil

Page 835 of 4210

INFINITI QX56 2010 Factory Service Manual DLK-1
BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY
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SECTION DLK
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CONTENTS
DOOR & LOCK
WITH INTELLIGENT KEY SYSTEM
BASIC INSPECTION ....... ............................

DLK-1
BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY
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CONTENTS
DOOR & LOCK
WITH INTELLIGENT KEY SYSTEM
BASIC INSPECTION ....... .............................
6
DIAGNOSIS AND REPAIR WORKFLOW ..... .....6
Work Flow ........................................................... ......6
INSPECTION AND ADJUSTMENT .....................9
ADDITIONAL SERVICE WHEN REMOVING BAT-
TERY NEGATIVE TERMINAL ............................... ......
9
ADDITIONAL SERVICE WHEN REMOVING
BATTERY NEGATIVE TERMINAL : Description ......
9
ADDITIONAL SERVICE WHEN REMOVING
BATTERY NEGATIVE TERMINAL : Special Re-
pair Requirement ................................................. ......
9
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT .................................................... ......
9
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description ..................................
9
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement .......
9
FUNCTION DIAGNOSIS ..............................10
AUTOMATIC DOOR LOCKS ......................... ....10
System Diagram .................................................. ....10
System Description .................................................10
Component Parts Location ....................................12
Component Description ..........................................12
DOOR LOCK FUNCTION ..................................14
DOOR LOCK AND UNLOCK SWITCH ................. ....14
DOOR LOCK AND UNLOCK SWITCH : System
Diagram ...................................................................
14
DOOR LOCK AND UNLOCK SWITCH : System
Description ..............................................................
14
DOOR LOCK AND UNLOCK SWITCH :
Component Parts Location ....................................
15
DOOR LOCK AND UNLOCK SWITCH :
Component Description ..........................................
15
DOOR REQUEST SWITCH ................................... ....16
DOOR REQUEST SWITCH : System Diagram .......16
DOOR REQUEST SWITCH : System Description ....16
DOOR REQUEST SWITCH :
Component Parts Location ....................................
19
DOOR REQUEST SWITCH :
Component Description ..........................................
21
INTELLIGENT KEY ................................................ ....21
INTELLIGENT KEY : System Diagram ....................21
INTELLIGENT KEY : System Description ...............21
INTELLIGENT KEY : Component Parts Location ....24
INTELLIGENT KEY : Component Description ........25
BACK DOOR OPENER FUNCTION .................27
BACK DOOR OPENER SWITCH .......................... ....27
BACK DOOR OPENER SWITCH : System Dia-
gram ........................................................................
27
BACK DOOR OPENER SWITCH : System De-
scription ...................................................................
27
BACK DOOR OPENER SWITCH :
Component Parts Location ....................................
32
BACK DOOR OPENER SWITCH :
Component Description ..........................................
32
INTELLIGENT KEY ................................................ ....33
INTELLIGENT KEY : System Diagram ....................33
INTELLIGENT KEY : System Description ...............33
INTELLIGENT KEY : Component Parts Location ....35
INTELLIGENT KEY : Component Description ........36
WARNING FUNCTION ......................................38
System Description ..................................................38
Component Parts Location ....................................42
KEY REMINDER FUNCTION ............................44
System Description ..................................................44
Component Parts Location ....................................45
HAZARD AND BUZZER REMINDER FUNC-
TION ..................................................................
47
Revision: April 20092010 QX56

Page 837 of 4210

INFINITI QX56 2010 Factory Service Manual DLK-3
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REAR LH ...............................................................
....
88
REAR LH : Description ............................................88
REAR LH : C

DLK-3
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REAR LH ...............................................................
....
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REAR LH : Description ............................................88
REAR LH : Component Function Check ...............88
REAR LH : Diagnosis Procedure ............................88
REAR RH ............................................................... ....89
REAR RH : Description ...........................................90
REAR RH : Component Function Check ...............90
REAR RH : Diagnosis Procedure ............................90
BACK DOOR ......................................................... ....91
BACK DOOR : Description ......................................91
GLASS HATCH LOCK ACTUATOR ..................92
Diagnosis Procedure ...............................................92
PASSENGER SELECT UNLOCK RELAY .........93
Description .......................................................... ....93
Component Function Check ....................................93
Diagnosis Procedure ...............................................93
INTELLIGENT KEY WARNING BUZZER ..........95
Description .......................................................... ....95
Component Function Check ..................................95
Diagnosis Procedure ...............................................95
Component Inspection ............................................96
OUTSIDE KEY ANTENNA .................................97
Description .......................................................... ....97
Component Function Check ..................................97
Diagnosis Procedure ...............................................97
STEERING LOCK UNIT .....................................99
Diagnosis Procedure ........................................... ....99
A/T SHIFT SELECTOR (PARK POSITION
SWITCH) ...........................................................
101
Diagnosis Procedure ........................................... ..101
REMOTE KEYLESS ENTRY RECEIVER ........103
Description .......................................................... ..103
Component Function Check ................................103
Diagnosis Procedure .............................................103
INTELLIGENT KEY BATTERY AND FUNC-
TION .................................................................
106
Description .......................................................... ..106
Component Function Check ................................106
Diagnosis Procedure .............................................106
HORN FUNCTION ............................................108
Description .......................................................... ..108
Component Function Check ................................108
Diagnosis Procedure ............................................108
COMBINATION METER DISPLAY FUNC-
TION .................................................................
110
Description .......................................................... ..110
Component Function Check ................................110
Diagnosis Procedure .............................................110
WARNING CHIME FUNCTION ........................111
Description ........................................................... ..111
Component Function Check ................................111
Diagnosis Procedure .............................................111
HAZARD FUNCTION ......................................112
Description .............................................................112
Component Function Check ................................112
Diagnosis Procedure .............................................112
KEY SWITCH (INTELLIGENT KEY UNIT IN-
PUT) ................................................................
113
Diagnosis Procedure .............................................113
KEY SWITCH (BCM INPUT) ...........................115
Diagnosis Procedure .............................................115
IGNITION KNOB SWITCH ..............................116
Diagnosis Procedure .............................................116
HEADLAMP FUNCTION .................................118
Diagnosis Procedure .............................................118
MAP LAMP AND IGNITION KEYHOLE ILLU-
MINATION FUNCTION ...................................
119
Diagnosis Procedure .............................................119
KEYFOB ID SET UP WITH CONSULT-III ......120
ID Code Entry Procedure ......................................120
KEYFOB ID SET UP WITHOUT CONSULT-III .121
ID Code Entry Procedure .................................... ..121
AUTOMATIC BACK DOOR SELF-DIAGNO-
SIS PROCEDURE ...........................................
123
Self-Diagnosis Procedure ......................................123
POWER LIFTGATE SWITCH FUNCTION ......125
Diagnosis Procedure ........................................... ..125
GLASS HATCH SWITCH ................................127
Diagnosis Procedure .............................................127
GLASS HATCH AJAR SWITCH .....................129
Diagnosis Procedure .............................................129
BACK DOOR CLOSE (CLOSE) SWITCH
SYSTEM ..........................................................
131
Diagnosis Procedure ........................................... ..131
BACK DOOR CLOSE (CANCEL) SWITCH
SYSTEM ..........................................................
133
Diagnosis Procedure ........................................... ..133
PINCH STRIP SYSTEM ..................................135
Diagnosis Procedure .............................................135
BACK DOOR WARNING CHIME SYSTEM ....136
Diagnosis Procedure .............................................136
HALF-LATCH SWITCH SYSTEM ...................137
Diagnosis Procedure .............................................137
BACK DOOR OPEN SWITCH SYSTEM ........138
Revision: April 20092010 QX56

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