2011 INFINITI QX56 BATTERY

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Page 1477 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS-512
< DTC/CIRCUIT DIAGNOSIS >[BSW]
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
ADAS CONTROL UNIT
ADAS CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006223967
1.CHECK ADAS CO

Page 1478 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS
POWER SUPPLY AND GROUND CIRCUITDAS-513
< DTC/CIRCUIT DIAGNOSIS > [BSW]
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Is the inspection result normal?
YES >> INSPECTION END
NO >> Repair the side radar LH ground c

Page 1482 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS
WARNING SYSTEMS ON INDICATOR CIRCUITDAS-517
< DTC/CIRCUIT DIAGNOSIS > [BSW]
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WARNING SYSTEMS ON INDICATOR CIRCUIT
Component Function CheckINFOID:0000000006223974
1.CH

Page 1483 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS-518
< DTC/CIRCUIT DIAGNOSIS >[BSW]
WARNING SYSTEMS ON
INDICATOR CIRCUIT
NO >> Repair the harnesses or connectors.
4.CHECK WARNING SYSTEMS ON INDICATOR
Check the warning systems ON indicator. Ref

Page 1484 of 5598

INFINITI QX56 2011 Factory Service Manual
DAS
WARNING BUZZER CIRCUITDAS-519
< DTC/CIRCUIT DIAGNOSIS > [BSW]
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WARNING BUZZER CIRCUIT
Component Function CheckINFOID:0000000006223977
1.CHECK WARNING BUZZER
1. Turn t

Page 1493 of 5598

INFINITI QX56 2011 Factory Service Manual
DEF-1
DRIVER CONTROLS
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SECTION DEF
A
B
DEF
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CONTENTS
DEFOGGER
PRECAUTION ................ ...............................3
PRECAUTIONS .........................................

DEF-1
DRIVER CONTROLS
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SECTION DEF
A
B
DEF
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CONTENTS
DEFOGGER
PRECAUTION ................ ...............................3
PRECAUTIONS .............................................. .....3
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
3
Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect .....................................
3
SYSTEM DESCRIPTION ..............................5
COMPONENT PARTS ................................... .....5
Component Parts Location .................................. ......5
Component Description .............................................5
SYSTEM ..............................................................6
System Diagram .................................................. ......6
System Description ...................................................6
DIAGNOSIS SYSTEM (BCM) .............................7
COMMON ITEM ..................................................... ......7
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) .......................................................
7
REAR WINDOW DEFOGGER ............................... ......8
REAR WINDOW DEFOGGER : CONSULT-III
Function (BCM - REAR DEFOGGER) ......................
8
DIAGNOSIS SYSTEM (IPDM E/R) .....................10
Diagnosis Description ......................................... ....10
CONSULT-III Function (IPDM E/R) .........................12
ECU DIAGNOSIS INFORMATION ..............15
BCM, IPDM E/R .............................................. ....15
List of ECU Reference ........................................ ....15
WIRING DIAGRAM ......................................16
REAR WINDOW DEFOGGER SYSTEM ........ ....16
Wiring Diagram ................................................... ....16
BASIC INSPECTION ...................................24
DIAGNOSIS AND REPAIR WORK FLOW .......24
Work Flow ............................................................ ....24
DTC/CIRCUIT DIAGNOSIS .........................25
REAR WINDOW DEFOGGER SWITCH ...........25
Component Function Check ................................ ....25
Diagnosis Procedure ...............................................25
REAR WINDOW DEFOGGER RELAY .............26
Description ...............................................................26
Component Function Check ....................................26
Diagnosis Procedure ...............................................26
REAR WINDOW DEFOGGER ..........................27
Description ...............................................................27
Component Function Check ....................................27
Diagnosis Procedure ...............................................27
DOOR MIRROR DEFOGGER ...........................29
Description ...............................................................29
Component Function Check ....................................29
Diagnosis Procedure ...............................................29
DRIVER SIDE DOOR MIRROR DEFOGGER ...30
Description ...............................................................30
Component Function Check ....................................30
Diagnosis Procedure ...............................................30
PASSENGER SIDE DOOR MIRROR DEFOG-
GER ...................................................................
31
Description ...............................................................31
Component Function Check ....................................31
Diagnosis Procedure ...............................................31
WIPER DEICER RELAY ...................................32
Component Function Check ....................................32
Diagnosis Procedure ...............................................32
Component Inspection .............................................33
WIPER DEICER ................................................34
Revision: 2010 May2011 QX56

Page 1495 of 5598

INFINITI QX56 2011 Factory Service Manual
PRECAUTIONSDEF-3
< PRECAUTION >
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DEF
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:00000000063

PRECAUTIONSDEF-3
< PRECAUTION >
C
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G H
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M A
B
DEF
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000006349779
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.
Precaution Necessary for Steering Wh eel Rotation after Battery Disconnect
INFOID:0000000006299422
NOTE:
Before removing and installing any control units, first tu rn the push-button ignition switch to the LOCK posi-
tion, then disconnect both battery cables.
After finishing work, confirm that all control unit connectors are connected properly, then re-connect both
battery cables.
Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If a DTC is detected, perform trouble diagnos is according to self-diagnosis results.
This vehicle is equipped with a push-button ignition switch and a steering lock unit.
If the battery is disconnect ed or discharged, the steering wheel will lock and cannot be turned.
If turning the steering wheel is required with the battery disconnected or discharged, 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. Turn the push-button ignition switch to ACC position. (At this time, the steering lock will be released.)
3. Disconnect both battery cables. The steering lock wil l remain released with both battery cables discon-
nected and the steering wheel can be turned.
4. Perform the necessary repair operation.
Revision: 2010 May2011 QX56

Page 1496 of 5598

INFINITI QX56 2011 Factory Service Manual
DEF-4
< PRECAUTION >
PRECAUTIONS
5. When the repair work is completed, re-connect both battery cables. With the brake pedal released, turn
the push-button ignition switch from ACC position to ON pos

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