2011 INFINITI QX56 Factory Service Manual

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Page 385 of 5598

INFINITI QX56 2011 Factory Service Manual
AV
STEERING ANGLE SENSORAV-237
< REMOVAL AND INSTALLATION >
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STEERING ANGLE SENSOR
Exploded ViewINFOID:0000000006216402
DISASSEMBLY
Removal and InstallationINFOID:00000000

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INFINITI QX56 2011 Factory Service Manual
AV-238
< REMOVAL AND INSTALLATION >
SONAR CONTROL UNIT
SONAR CONTROL UNIT
Removal and InstallationINFOID:0000000006216404
REMOVAL
1. Remove instrument lower panel LH. Refer to IP-13, "Exploded View".

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INFINITI QX56 2011 Factory Service Manual
AV
SONAR SENSORAV-239
< REMOVAL AND INSTALLATION >
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SONAR SENSOR
Removal and InstallationINFOID:0000000006216405
REMOVAL
1. Press the spring fixing the sonar sensor (1) (b

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INFINITI QX56 2011 Factory Service Manual
AV-240
< REMOVAL AND INSTALLATION >
ANTENNA FEEDER
ANTENNA FEEDER
Feeder LayoutINFOID:0000000006216406
JSNIA3179GB
Revision: 2010 May2011 QX56

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INFINITI QX56 2011 Factory Service Manual
BCS
BCS-1
ELECTRICAL & POWER CONTROL
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SECTION BCS
A
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CONTENTS
BODY CONTROL SYSTEM
PRECAUTION ................
...............................3
PRECAUTIONS ...................

BCS
BCS-1
ELECTRICAL & POWER CONTROL
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SECTION BCS
A
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CONTENTS
BODY CONTROL SYSTEM
PRECAUTION ................
...............................3
PRECAUTIONS .............................................. .....3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
3
SYSTEM DESCRIPTION ..............................4
COMPONENT PARTS ................................... .....4
BODY CONTROL SYSTEM ........................................4
BODY CONTROL SYSTEM : Component Parts
Location ............................................................... ......
4
POWER CONSUMPTION CONTROL SYSTEM ... ......4
POWER CONSUMPTION CONTROL SYSTEM :
Component Parts Location ........................................
4
SYSTEM ..............................................................6
BODY CONTROL SYSTEM ........................................6
BODY CONTROL SYSTEM : System Description ......6
COMBINATION SWITCH READING SYSTEM ..... ......7
COMBINATION SWITCH READING SYSTEM :
System Diagram ........................................................
7
COMBINATION SWITCH READING SYSTEM :
System Description ...................................................
7
SIGNAL BUFFER SYSTEM ........................ ..............10
SIGNAL BUFFER SYSTEM : System Diagram .. ....10
SIGNAL BUFFER SYSTEM : System Description ....10
POWER CONSUMPTION CONTROL SYSTEM ... ....11
POWER CONSUMPTION CONTROL SYSTEM :
System Diagram ......................................................
11
POWER CONSUMPTION CONTROL SYSTEM :
System Description .................................................
11
DIAGNOSIS SYSTEM (BCM) ............................14
COMMON ITEM ..................................................... ....14
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) .....................................................
14
DOOR LOCK .......................................................... ....15
DOOR LOCK : CONSULT-III Function (BCM -
DOOR LOCK) ..........................................................
15
REAR WINDOW DEFOGGER ............................... ....16
REAR WINDOW DEFOGGER : CONSULT-III
Function (BCM - REAR DEFOGGER) .....................
17
BUZZER ................................................................. ....17
BUZZER : CONSULT-III Function (BCM - BUZZ-
ER) ..........................................................................
17
INT LAMP ............................................................... ....17
INT LAMP : CONSULT-III Function (BCM - INT
LAMP) ......................................................................
18
HEADLAMP ........................................................... ....19
HEADLAMP : CONSULT-III Function (BCM -
HEAD LAMP) ...........................................................
19
WIPER .................................................................... ....21
WIPER : CONSULT-III Function (BCM - WIPER) ....21
FLASHER ............................................................... ....23
FLASHER : CONSULT-III Function (BCM -
FLASHER) ...............................................................
23
INTELLIGENT KEY ................................................ ....24
INTELLIGENT KEY : CONSULT-III Function
(BCM - INTELLIGENT KEY) ....................................
24
COMB SW .............................................................. ....27
COMB SW : CONSULT-III Function (BCM -
COMB SW) ..............................................................
27
BCM ....................................................................... ....28
BCM : CONSULT-III Function (BCM - BCM) ...........28
IMMU ...................................................................... ....28
IMMU : CONSULT-III Function (BCM - IMMU) ........28
Revision: 2010 May2011 QX56

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INFINITI QX56 2011 Factory Service Manual
BCS-2
BATTERY SAVER ....................................................29
BATTERY SAVER : CONSULT-III Function (BCM
- BATTERY SAVER) ........................................... ...
29
TRUNK .....

BCS-2
BATTERY SAVER ....................................................29
BATTERY SAVER : CONSULT-III Function (BCM
- BATTERY SAVER) ........................................... ...
29
TRUNK ................................................................... ...30
TRUNK : CONSULT-III Function (BCM - TRUNK) ...30
THEFT ALM ........................................................... ...30
THEFT ALM : CONSULT-III Function (BCM -
THEFT) ...................................................................
30
RETAIND PWR ...................................................... ...31
RETAIND PWR : CONSULT-III Function (BCM -
RETAINED PWR) ...................................................
31
SIGNAL BUFFER ................................................... ...31
SIGNAL BUFFER : CONSULT-III Function (BCM
- SIGNAL BUFFER) ................................................
31
ECU DIAGNOSIS INFORMATION ..............33
BCM ................................................................ ...33
Reference Value .................................................. ...33
Fail-safe ..................................................................54
DTC Inspection Priority Chart ..............................56
DTC Index ..............................................................57
WIRING DIAGRAM .....................................60
BCM ................................................................ ...60
Wiring Diagram .................................................... ...60
BASIC INSPECTION ...................................67
INSPECTION AND ADJUSTMENT ................ ...67
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT (BCM) ......................................... ...
67
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT (BCM) : Description ....................
67
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT (BCM) : Work Procedure ............
67
CONFIGURATION (BCM) ...................................... ...67
CONFIGURATION (BCM) : Description .................67
CONFIGURATION (BCM) : Work Procedure .........68
CONFIGURATION (BCM) : Configuration list ........69
DTC/CIRCUIT DIAGNOSIS ........................70
U1000 CAN COMM ........................................ ...70
Description ........................................................... ...70
DTC Logic ...............................................................70
Diagnosis Procedure ...............................................70
U1010 CONTROL UNIT (CAN) .........................71
DTC Logic ............................................................ ...71
Diagnosis Procedure ...............................................71
U0415 VEHICLE SPEED ...................................72
Description ........................................................... ...72
DTC Logic ...............................................................72
Diagnosis Procedure ...............................................72
B2562 LOW VOLTAGE .....................................73
DTC Logic ............................................................ ...73
Diagnosis Procedure ...............................................73
B26E7 TPMS CAN COMM ............................. ...74
DTC Logic ............................................................ ...74
Diagnosis Procedure ...............................................74
POWER SUPPLY AND GROUND CIRCUIT .....75
Diagnosis Procedure ............................................ ...75
COMBINATION SWITCH OUTPUT CIRCUIT ...76
Diagnosis Procedure ...............................................76
COMBINATION SWITCH INPUT CIRCUIT .......78
Diagnosis Procedure ............................................ ...78
SYMPTOM DIAGNOSIS ............................80
COMBINATION SWITCH SYSTEM SYMP-
TOMS .............................................................. ...
80
Symptom Table .................................................... ...80
REMOVAL AND INSTALLATION ..............81
BCM ................................................................ ...81
Removal and Installation ...................................... ...81
COMBINATION SWITCH ..................................82
Exploded View ..................................................... ...82
Removal and Installation .........................................82
Revision: 2010 May2011 QX56

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INFINITI QX56 2011 Factory Service Manual
BCS
PRECAUTIONSBCS-3
< PRECAUTION >
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental
Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:00000000062

BCS
PRECAUTIONSBCS-3
< PRECAUTION >
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B A
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental
Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000006274786
The Supplemental Restraint System such as “A IR 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 whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the “SRS AIR BAG” and “SEAT BELT” of this
Service Manual.
WARNING:
• To avoid rendering the SRS inoper ative, which could increase the risk of personal injury or death in
the event of a collision that would result in air ba g 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 “SRS AIR BAG”.
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 Air Bag Diagnosis Sensor Unit or other Air Bag System sensors with the
ignition ON or engine running, DO NOT use air or electric 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.
Revision: 2010 May2011 QX56

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INFINITI QX56 2011 Factory Service Manual
BCS-4
< SYSTEM DESCRIPTION >
COMPONENT PARTS
SYSTEM DESCRIPTION
COMPONENT PARTS
BODY CONTROL SYSTEM
BODY CONTROL SYSTEM : Component Parts LocationINFOID:0000000006274787
POWER CONSUMPTION CONTROL SYS

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