2010 INFINITI QX56 Battery Removal Installation

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INFINITI QX56 2010 Factory Service Manual ACC-1
ENGINE
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SECTION ACC
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ACC
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CONTENTS
ACCELERATOR CONTROL SYSTEM
PRECAUTION ....... ........................................2
PRECAUTIONS .................................

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INFINITI QX56 2010 Factory Service Manual ACC-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005266449
The Supplemental Restraint S

ACC-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005266449
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 severity 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 inopera tive, 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 unintent ional activation of the system. For re moval of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipmen t on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harn esses can be identified 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 Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electri c 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 minu tes before performing any service.
Precaution Necessary for Steering W heel Rotation After Battery Disconnect
INFOID:0000000005266450
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 disconnecting 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 pow er 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

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INFINITI QX56 2010 Factory Service Manual ACC-4
< REMOVAL AND INSTALLATION >
ACCELERATOR CONTROL SYSTEM
REMOVAL AND INSTALLATION
ACCELERATOR CONTROL SYSTEM
Removal and InstallationINFOID:0000000005149563
Adjustable Accelerator Pedal
CAUTION:

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INFINITI QX56 2010 Factory Service Manual ADP-3
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ADP
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RECLINING SENSOR .................................... ....83
Description .......................................................... ....83
Component Function Ch

ADP-3
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RECLINING SENSOR .................................... ....83
Description .......................................................... ....83
Component Function Check ..................................83
Diagnosis Procedure ..............................................83
LIFTING SENSOR (FRONT) ..............................85
Description .......................................................... ....85
Component Function Check ..................................85
Diagnosis Procedure ..............................................85
LIFTING SENSOR (REAR) ................................87
Description .......................................................... ....87
Component Function Check ..................................87
Diagnosis Procedure ..............................................87
TILT SENSOR ....................................................89
Description ..............................................................89
Component Function Check ..................................89
Diagnosis Procedure ..............................................89
PEDAL ADJUSTING SENSOR ..........................91
Description .......................................................... ....91
Component Function Check ..................................91
Diagnosis Procedure ..............................................91
MIRROR SENSOR .............................................93
DRIVER SIDE ........................................................ ....93
DRIVER SIDE : Description ....................................93
DRIVER SIDE : Component Function Check ........93
DRIVER SIDE : Diagnosis Procedure ....................93
PASSENGER SIDE ...................................................95
PASSENGER SIDE : Description ....................... ....95
PASSENGER SIDE :
Component Function Check ..................................
95
PASSENGER SIDE : Diagnosis Procedure ...........95
SLIDING MOTOR ...............................................97
Description ..............................................................97
Component Function Check ..................................97
Diagnosis Procedure ..............................................97
RECLINING MOTOR ..........................................99
Description .......................................................... ....99
Component Function Check ..................................99
Diagnosis Procedure ..............................................99
LIFTING MOTOR (FRONT) ..............................101
Description .......................................................... ..101
Component Function Check ................................101
Diagnosis Procedure ............................................101
LIFTING MOTOR (REAR) ................................103
Description .......................................................... ..103
Component Function Check ................................103
Diagnosis Procedure ............................................103
TILT MOTOR ....................................................105
Description .......................................................... ..105
Component Function Check ................................105
Diagnosis Procedure ............................................105
PEDAL ADJUSTING MOTOR ........................107
Description ........................................................... ..107
Component Function Check ................................107
Diagnosis Procedure ............................................107
DOOR MIRROR MOTOR ................................109
Description .............................................................109
Component Function Check ..................................109
Diagnosis Procedure .............................................109
Component Inspection ...........................................111
SEAT MEMORY INDICATOR LAMP ..............112
Description .............................................................112
Component Function Check ................................112
Diagnosis Procedure ............................................112
Component Inspection ...........................................113
ECU DIAGNOSIS .......................................114
DRIVER SEAT CONTROL UNIT ....................114
Reference Value .................................................. ..114
Wiring Diagram ......................................................119
Fail Safe ................................................................133
DTC Index .............................................................134
AUTOMATIC DRIVE POSITIONER CON-
TROL UNIT ......................................................
135
Reference Value ....................................................135
Wiring Diagram ......................................................138
BCM (BODY CONTROL MODULE) ...............153
Reference Value ....................................................153
Terminal Layout .....................................................156
Physical Values ................................................... ..156
Wiring Diagram ......................................................162
Fail Safe ................................................................166
DTC Inspection Priority Chart .............................167
DTC Index .............................................................167
SYMPTOM DIAGNOSIS ............................169
ADP SYSTEM SYMPTOMS ............................169
Symptom Table ................................................... ..169
NORMAL OPERATING CONDITION .............171
Description .............................................................171
PRECAUTION ............................................172
PRECAUTIONS ...............................................172
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ..
172
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect .................................
172
Precaution for Work ...............................................173
ON-VEHICLE REPAIR ...............................174
DRIVER SEAT CONTROL UNIT ....................174
Removal and Installation ..................................... ..174
Revision: April 20092010 QX56

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INFINITI QX56 2010 Factory Service Manual B2117 ADJ PEDAL MOTORADP-37
< COMPONENT DIAGNOSIS >
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NO >> GO TO 3
3. CHECK PEDAL ADJUSTING MOTOR CIRCUIT HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect

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INFINITI QX56 2010 Factory Service Manual SLIDING SWITCHADP-51
< COMPONENT DIAGNOSIS >
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ADP
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1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit harn

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INFINITI QX56 2010 Factory Service Manual ADP-54
< COMPONENT DIAGNOSIS >
RECLINING SWITCH
1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control unit harness con-nector and power seat

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INFINITI QX56 2010 Factory Service Manual LIFTING SWITCH (FRONT)ADP-57
< COMPONENT DIAGNOSIS >
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1. Disconnect driver seat control unit and power seat switch LH.
2. Check continuity between driver seat control u

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