2008 INFINITI QX56 diagram

ADP-1
BODY INTERIOR
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SECTION ADP
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CONTENTS
AUTOMATIC DRIVE POSITIONER
BASIC INSPECTION ....... .............................5
DIAGNOSIS AND REPAIR WORKFLOW ..... .....5
Work Flow ........................................................... ......5
INSPECTION AND ADJUSTMENT .....................8
Preliminary Check ............................................... ......8
Special Repair Requirement .....................................8
FUNCTION DIAGNOSIS .. .............................9
AUTOMATIC DRIVE POSITIONER SYSTEM .....9
AUTOMATIC DRIVE POSITIONER SYSTEM ....... ......9
AUTOMATIC DRIVE POSITIONER SYSTEM :
System Diagram ........................................................
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AUTOMATIC DRIVE POSITIONER SYSTEM :
Component Parts Location ......................................
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AUTOMATIC DRIVE POSITIONER SYSTEM :
System Description .................................................
10
AUTOMATIC DRIVE POSITIONER SYSTEM :
Component Description ..........................................
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MANUAL FUNCTION ............................................ ....12
MANUAL FUNCTION : System Diagram ................13
MANUAL FUNCTION : System Description ............13
MANUAL FUNCTION : Component Parts Loca-
tion ..........................................................................
15
MANUAL FUNCTION : Component Description ....15
MEMORY FUNCTION ........................................... ....16
MEMORY FUNCTION : System Diagram ...............17
MEMORY FUNCTION : System Description ..........17
MEMORY FUNCTION : Component Parts Loca-
tion ..........................................................................
18
MEMORY FUNCTION : Component Description ....19
EXIT ASSIST FUNCTION ...................................... ....20
EXIT ASSIST FUNCTION : System Diagram .........20
EXIT ASSIST FUNCTION : System Description . ....20
EXIT ASSIST FUNCTION : Component Parts Lo-
cation .......................................................................
21
EXIT ASSIST FUNCTION :
Component Description ...................................... ....
22
ENTRY ASSIST FUNCTION .................................. ....22
ENTRY ASSIST FUNCTION : System Diagram .....23
ENTRY ASSIST FUNCTION : System Description
....
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ENTRY ASSIST FUNCTION : Component Parts
Location ...................................................................
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ENTRY ASSIST FUNCTION :
Component Description ..........................................
25
DIAGNOSIS SYSTEM (DRIVER SEAT C/U) ....26
Diagnosis Description ..............................................26
CONSULT-III Function ............................................26
COMPONENT DIAGNOSIS .........................29
U1000 CAN COMM CIRCUIT ...........................29
Description ........................................................... ....29
DTC Logic ................................................................29
Diagnosis Procedure ..............................................29
Special Repair Requirement ....................................29
B2112 SLIDING MOTOR ..................................30
Description ...............................................................30
DTC Logic ................................................................30
Diagnosis Procedure ..............................................30
B2113 RECLINING MOTOR .............................31
Description ...............................................................31
DTC Logic ................................................................31
Diagnosis Procedure ..............................................31
B2114 SEAT LIFTER FR ..................................32
Description ...............................................................32
DTC Logic ................................................................32
Diagnosis Procedure ..............................................32
B2115 SEAT LIFTER RR ..................................33
Description ...............................................................33
DTC Logic ................................................................33
Revision: March 2010 2008 QX56

ADP-3
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RECLINING SENSOR .................................... ....73
Description .......................................................... ....73
Component Function Check ..................................73
Diagnosis Procedure ..............................................73
LIFTING SENSOR (FRONT) ..............................75
Description .......................................................... ....75
Component Function Check ..................................75
Diagnosis Procedure ..............................................75
LIFTING SENSOR (REAR) ................................77
Description .......................................................... ....77
Component Function Check ..................................77
Diagnosis Procedure ..............................................77
TILT SENSOR ....................................................79
Description ..............................................................79
Component Function Check ..................................79
Diagnosis Procedure ..............................................79
PEDAL ADJUSTING SENSOR ..........................81
Description .......................................................... ....81
Component Function Check ..................................81
Diagnosis Procedure ..............................................81
MIRROR SENSOR .............................................83
DRIVER SIDE ........................................................ ....83
DRIVER SIDE : Description ....................................83
DRIVER SIDE : Component Function Check ........83
DRIVER SIDE : Diagnosis Procedure ....................83
PASSENGER SIDE ...................................................85
PASSENGER SIDE : Description ....................... ....85
PASSENGER SIDE :
Component Function Check ..................................
85
PASSENGER SIDE : Diagnosis Procedure ...........85
SLIDING MOTOR ...............................................87
Description ..............................................................87
Component Function Check ..................................87
Diagnosis Procedure ..............................................87
RECLINING MOTOR ..........................................89
Description .......................................................... ....89
Component Function Check ..................................89
Diagnosis Procedure ..............................................89
LIFTING MOTOR (FRONT) ................................91
Description .......................................................... ....91
Component Function Check ..................................91
Diagnosis Procedure ..............................................91
LIFTING MOTOR (REAR) ..................................93
Description .......................................................... ....93
Component Function Check ..................................93
Diagnosis Procedure ..............................................93
TILT MOTOR ......................................................95
Description .......................................................... ....95
Component Function Check ..................................95
Diagnosis Procedure ..............................................95
PEDAL ADJUSTING MOTOR ..........................97
Description ........................................................... ....97
Component Function Check ..................................97
Diagnosis Procedure ..............................................97
DOOR MIRROR MOTOR ..................................99
Description ...............................................................99
Component Function Check ....................................99
Diagnosis Procedure ...............................................99
Component Inspection ...........................................101
SEAT MEMORY INDICATOR LAMP ..............102
Description .............................................................102
Component Function Check ................................102
Diagnosis Procedure ............................................102
Component Inspection ...........................................103
ECU DIAGNOSIS .......................................104
DRIVER SEAT CONTROL UNIT ....................104
Reference Value .................................................. ..104
Wiring Diagram ......................................................109
Fail Safe ................................................................122
DTC Index .............................................................123
AUTOMATIC DRIVE POSITIONER CON-
TROL UNIT ......................................................
124
Reference Value ....................................................124
Wiring Diagram ......................................................127
BCM (BODY CONTROL MODULE) ...............141
Reference Value ....................................................141
Terminal Layout .....................................................143
Physical Values ................................................... ..143
Wiring Diagram ......................................................149
Fail Safe ................................................................152
DTC Inspection Priority Chart .............................153
DTC Index .............................................................153
SYMPTOM DIAGNOSIS ............................155
ADP SYSTEM SYMPTOMS ............................155
Symptom Table ................................................... ..155
NORMAL OPERATING CONDITION .............157
Description .............................................................157
PRECAUTION ............................................158
PRECAUTIONS ...............................................158
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ..
158
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect .................................
158
Precaution for Work ...............................................159
ON-VEHICLE MAINTENANCE ..................160
PRE-INSPECTION FOR DIAGNOSTIC ..........160
Basic Inspection .................................................. ..160
Revision: March 2010 2008 QX56

AUTOMATIC DRIVE POSITIONER SYSTEMADP-9
< FUNCTION DIAGNOSIS >
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FUNCTION DIAGNOSIS
AUTOMATIC DRIVE POSITIONER SYSTEM
AUTOMATIC DRIVE POSITIONER SYSTEM
AUTOMATIC DRIVE POSITIONER SYSTEM : System DiagramINFOID:0000000001735410
AWJIA0511GB
Revision: March 2010 2008 QX56

AUTOMATIC DRIVE POSITIONER SYSTEMADP-13
< FUNCTION DIAGNOSIS >
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MANUAL FUNCTION : System DiagramINFOID:0000000001735414
MANUAL FUNCTION : System DescriptionINFOID:0000000001735415
OUTLINE
The driving position (seat, pedal assembly, steering wheel and door mirror position) can be adjusted manually
with power seat switch, pedal adjusting switch, ADP st eering switch and door mirror remote control switch.
OPERATION PROCEDURE
1. Turn ignition switch ON.
2. Operate power seat switch, pedal adjusting switch, ADP steering switch or door mirror remote control
switch.
3. The driver seat, pedal assembly, steering wheel or door mirror operates according to the operation of each switch.
DETAIL FLOW
Seat
Adjustable pedals
ALJIA0236GB
Order Input Output Control unit condition
1 Power seat switch
(sliding, lifting, reclin-
ing)
—
The power seat switch signal is inputted to the driver seat control
unit when the power seat switch is operated.
2— Motors
(sliding, lifting, reclin-
ing)The driver seat control unit outputs signals to each motor accord-
ing to the power seat switch input signal.
Revision: March 2010
2008 QX56

AUTOMATIC DRIVE POSITIONER SYSTEMADP-17
< FUNCTION DIAGNOSIS >
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MEMORY FUNCTION : System DiagramINFOID:0000000001735418
MEMORY FUNCTION : System DescriptionINFOID:0000000001735419
OUTLINE
The driver seat control unit can store the optimum driving positions (seat, pedal assembly, steering wheel and
door mirror position) for 2 people. If the front seat position is changed, one-touch (pressing desired memory
switch for more than 0.5 second) operation al lows changing to the other driving position.
NOTE:
Further information for the memory storage procedure. Refer to Owner’s Manual.
OPERATION PROCEDURE
1. Turn ignition switch ON
2. Press desired memory switch for more than 0.5 second.
3. Front seat LH, pedal assembly, steering wheel and door mirror will move to the memorized position.
OPERATION CONDITION
Satisfy all of the following items. The memory func tion is not performed if these items are not satisfied.
DETAIL FLOW
ALJIA0237GB
Item Request status
Ignition position ON
Switch inputs
• Power seat switch
• Pedal adjusting switch
• ADP steering switch
• Door mirror control switch
• Set switch
• Seat memory switch OFF
(Not operated)
A/T selector lever P position
Revision: March 2010 2008 QX56

ADP-20
< FUNCTION DIAGNOSIS >
AUTOMATIC DRIVE POSITIONER SYSTEM
EXIT ASSIST FUNCTION
EXIT ASSIST FUNCTION : System DiagramINFOID:0000000001735422
EXIT ASSIST FUNCTION : System DescriptionINFOID:0000000001735423
OUTLINE
When exiting, if the conditions are satisfied, the seat is moved backward and steering wheel is moved upward-
from normal sitting position.
The seat slide amount at entry/exit operation can be changed.
NOTE:
• This function is set to OFF before delivery (initial setting).
• Further information for the system setting procedure. Refer to Owner’s Manual.
OPERATION PROCEDURE
1. Open the driver door with ignition switch in OFF position.
2. Front seat LH and steering wheel will move to the exiting position.
OPERATION CONDITION
Satisfy all of the following items. The exit assist f unction is not performed if these items are not satisfied.
Sliding motor Slide the seat forward/backward.
Memory indicator Illuminates or blinks according to the registration/operation status.
Item
Function
ALJIA0238GB
ItemRequest status
Ignition switch OFF
System setting [Entry/exit assist function] ON
Initialization Done
Revision: March 2010 2008 QX56

AUTOMATIC DRIVE POSITIONER SYSTEMADP-23
< FUNCTION DIAGNOSIS >
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ENTRY ASSIST FUNCTION : System DiagramINFOID:0000000001735426
ENTRY ASSIST FUNCTION : System DescriptionINFOID:0000000001735427
OUTLINE
The seat and steering wheel are in the exiting position when either following condition (A or B) is satisfied, the
seat and steering wheel return from exiting position to the previous driving position.
NOTE:
• This function is set to OFF before delivery (initial setting).
• Further information for the system setting procedure. Refer to Owner’s Manual.
OPERATION PROCEDURE
1. A: Turn the ignition switch ON. B: Turn the ignition switch from OFF to ACC after closing the driver door.
2. Front seat LH and steering wheel will return from the exiting position to entry position.
OPERATION CONDITION
Satisfy all of the following items. The entry assist function is not performed if t hese items are not satisfied.
DETAIL FLOW
ALJIA0238GB
ItemRequest status
Seat, steering wheel The vehicle is not moved after performing the
exit assist function.
Switch inputs
• Power seat switch
• Pedal adjusting switch
• ADP steering switch
• Door mirror control switch
• Set switch
• Memory switch OFF
(Not operated)
A/T selector lever P position
Revision: March 2010 2008 QX56

DRIVER SEAT CONTROL UNITADP-109
< ECU DIAGNOSIS >
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Wiring DiagramINFOID:0000000001735552
AAJWA0025GB
Revision: March 2010 2008 QX56