2009 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
PRE-INSPECTION FOR DIAGNOSTIC ..............9
Basic Inspection .................................................. ......9
FUNCTION DIAGNOSIS ..............................11
AUTOMATIC DRIVE POSITIONER SYSTEM ....11
AUTOMATIC DRIVE POSITIONER SYSTEM ....... ....11
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 .................................................
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AUTOMATIC DRIVE POSITIONER SYSTEM :
Component Description ..........................................
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MANUAL FUNCTION ............................................ ....14
MANUAL FUNCTION : System Diagram ................15
MANUAL FUNCTION : System Description ............15
MANUAL FUNCTION : Component Parts Loca-
tion ..........................................................................
17
MANUAL FUNCTION : Component Description ....17
MEMORY FUNCTION ........................................... ....18
MEMORY FUNCTION : System Diagram ...............19
MEMORY FUNCTION : System Description ..........19
MEMORY FUNCTION : Component Parts Loca-
tion ..........................................................................
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MEMORY FUNCTION : Component Description ....21
EXIT ASSIST FUNCTION ...................................... ....22
EXIT ASSIST FUNCTION : System Diagram .........22
EXIT ASSIST FUNCTION : Sy stem Description .....22
EXIT ASSIST FUNCTION : Component Parts Lo-
cation ................................................................... ....
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EXIT ASSIST FUNCTION :
Component Description ..........................................
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ENTRY ASSIST FUNCTION .................................. ....24
ENTRY ASSIST FUNCTION : System Diagram .....25
ENTRY ASSIST FUNCTION : System Description
....
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ENTRY ASSIST FUNCTION : Component Parts
Location ............................................................... ....
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ENTRY ASSIST FUNCTION :
Component Description ..........................................
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DIAGNOSIS SYSTEM (DRIVER SEAT C/U) ....28
Diagnosis Description ..............................................28
CONSULT-III Function ............................................28
COMPONENT DIAGNOSIS .........................31
U1000 CAN COMM CIRCUIT ...........................31
Description ........................................................... ....31
DTC Logic ................................................................31
Special Repair Requirement ....................................31
B2112 SLIDING MOTOR ..................................32
Description ...............................................................32
DTC Logic ................................................................32
Diagnosis Procedure ..............................................32
B2113 RECLINING MOTOR .............................33
Description ...............................................................33
DTC Logic ................................................................33
Diagnosis Procedure ..............................................33
B2114 SEAT LIFTER FR ..................................34
Description ...............................................................34
DTC Logic ................................................................34
Diagnosis Procedure ..............................................34
B2115 SEAT LIFTER RR ..................................35
Description ...............................................................35
Revision: December 20092009 QX56

ADP-3
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RECLINING SENSOR .................................... ....76
Description .......................................................... ....76
Component Function Check ..................................76
Diagnosis Procedure ..............................................76
LIFTING SENSOR (FRONT) ..............................78
Description .......................................................... ....78
Component Function Check ..................................78
Diagnosis Procedure ..............................................78
LIFTING SENSOR (REAR) ................................80
Description .......................................................... ....80
Component Function Check ..................................80
Diagnosis Procedure ..............................................80
TILT SENSOR ....................................................82
Description .......................................................... ....82
Component Function Check ..................................82
Diagnosis Procedure ..............................................82
PEDAL ADJUSTING SENSOR ..........................84
Description .......................................................... ....84
Component Function Check ..................................84
Diagnosis Procedure ..............................................84
MIRROR SENSOR .............................................86
DRIVER SIDE ........................................................ ....86
DRIVER SIDE : Description ....................................86
DRIVER SIDE : Component Function Check ........86
DRIVER SIDE : Diagnosis Procedure ....................86
PASSENGER SIDE ...................................................88
PASSENGER SIDE : Description ....................... ....88
PASSENGER SIDE :
Component Function Check ..................................
88
PASSENGER SIDE : Diagnosis Procedure ...........88
SLIDING MOTOR ...............................................90
Description .......................................................... ....90
Component Function Check ..................................90
Diagnosis Procedure ..............................................90
RECLINING MOTOR ..........................................92
Description .......................................................... ....92
Component Function Check ..................................92
Diagnosis Procedure ..............................................92
LIFTING MOTOR (FRONT) ................................94
Description .......................................................... ....94
Component Function Check ..................................94
Diagnosis Procedure ..............................................94
LIFTING MOTOR (REAR) ..................................96
Description .......................................................... ....96
Component Function Check ..................................96
Diagnosis Procedure ..............................................96
TILT MOTOR ......................................................98
Description .......................................................... ....98
Component Function Check ..................................98
Diagnosis Procedure ..............................................98
PEDAL ADJUSTING MOTOR ........................100
Description ........................................................... ..100
Component Function Check ................................100
Diagnosis Procedure ............................................100
DOOR MIRROR MOTOR ................................102
Description .............................................................102
Component Function Check ..................................102
Diagnosis Procedure .............................................102
Component Inspection ...........................................104
SEAT MEMORY INDICATOR LAMP ..............105
Description .............................................................105
Component Function Check ................................105
Diagnosis Procedure ............................................105
Component Inspection ...........................................106
ECU DIAGNOSIS .......................................107
DRIVER SEAT CONTROL UNIT ....................107
Reference Value .................................................. ..107
Wiring Diagram ......................................................112
Fail Safe ................................................................126
DTC Index .............................................................127
AUTOMATIC DRIVE POSITIONER CON-
TROL UNIT ......................................................
128
Reference Value ....................................................128
Wiring Diagram ......................................................131
BCM (BODY CONTROL MODULE) ...............146
Reference Value ....................................................146
Terminal Layout .....................................................148
Physical Values .....................................................148
Wiring Diagram ......................................................154
SYMPTOM DIAGNOSIS ............................159
ADP SYSTEM SYMPTOMS ............................159
Symptom Table ................................................... ..159
NORMAL OPERATING CONDITION .............161
Description .............................................................161
PRECAUTION ............................................162
PRECAUTIONS ...............................................162
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ..
162
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect .................................
162
Precaution for Work ...............................................163
PREPARATION .........................................164
PREPARATION ...............................................164
Special Service Tool ............................................ ..164
Commercial Service Tool ......................................164
ON-VEHICLE REPAIR ...............................165
Revision: December 20092009 QX56

AUTOMATIC DRIVE POSITIONER SYSTEMADP-11
< FUNCTION DIAGNOSIS >
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FUNCTION DIAGNOSIS
AUTOMATIC DRIVE POSITIONER SYSTEM
AUTOMATIC DRIVE POSITIONER SYSTEM
AUTOMATIC DRIVE POSITIONER SYSTEM : System DiagramINFOID:0000000003775494
ABJIA0463GB
Revision: December 20092009 QX56

AUTOMATIC DRIVE POSITIONER SYSTEMADP-15
< FUNCTION DIAGNOSIS >
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MANUAL FUNCTION : System DiagramINFOID:0000000003775498
MANUAL FUNCTION : System DescriptionINFOID:0000000003775499
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: December 20092009 QX56

AUTOMATIC DRIVE POSITIONER SYSTEMADP-19
< FUNCTION DIAGNOSIS >
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MEMORY FUNCTION : System DiagramINFOID:0000000003775502
MEMORY FUNCTION : System DescriptionINFOID:0000000003775503
OUTLINE
The driver seat control unit can store the optimum dr iving 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: December 20092009 QX56

ADP-22
< FUNCTION DIAGNOSIS >
AUTOMATIC DRIVE POSITIONER SYSTEM
EXIT ASSIST FUNCTION
EXIT ASSIST FUNCTION : System DiagramINFOID:0000000003775506
EXIT ASSIST FUNCTION : System DescriptionINFOID:0000000003775507
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 ent ry/exit operation can be changed.
NOTE:
 This function is set to OFF before delivery (initial setting).
 Further information for the system sett ing 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
Item Request status
Ignition switch OFF
System setting [Entry/exit assist function] ON
Initialization Done
Revision: December 20092009 QX56

AUTOMATIC DRIVE POSITIONER SYSTEMADP-25
< FUNCTION DIAGNOSIS >
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ENTRY ASSIST FUNCTION : System DiagramINFOID:0000000003775510
ENTRY ASSIST FUNCTION : System DescriptionINFOID:0000000003775511
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 f unction is not performed if these items are not satisfied.
DETAIL FLOW
ALJIA0238GB
Item Request 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: December 20092009 QX56

ADP-112
< ECU DIAGNOSIS >
DRIVER SEAT CONTROL UNIT
Wiring Diagram
INFOID:0000000003775648
ABJWA0017GB
Revision: December 20092009 QX56