ground INFINITI QX56 2011 Factory Service Manual

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QUICK REFERENCE INDEX
AGENERAL INFORMATIONGIGeneral Information
BENGINEEMEngine Mechanical
LUEngine Lubrication System
COEngine Cooling System
ECEngine Control System
FLFuel System
EXExhaust System
STRStarting System
ACCAccelerator Control System
CHYBRIDHBCHybrid Control System
HBBHybrid Battery System
HBRHybrid Brake System
DTRANSMISSION & DRIVE-
LINECLClutch
TMTransaxle & Transmission
DLNDriveline
FAXFront Axle
RAXRear Axle
ESUSPENSIONFSUFront Suspension
RSURear Suspension
SCSSuspension Control System
WTRoad Wheels & Tires
FBRAKESBRBrake System
PBParking Brake System
BRCBrake Control System
GSTEERINGSTSteering System
STCSteering Control System
HRESTRAINTSSBSeat Belt
SBCSeat Belt Control System
SRSRS Airbag
SRCSRS Airbag Control System
IVENTILATION, HEATER &
AIR CONDITIONERVTLVentilation System
HAHeater & Air Conditioning System
HACHeater & Air Conditioning Control System
JBODY INTERIORINTInterior
IPInstrument Panel
SESeat
ADPAutomatic Drive Positioner
KBODY EXTERIOR,
DOORS, ROOF & VEHICLE
SECURITYDLKDoor & Lock
SECSecurity Control System
GWGlass & Window System
PWCPower Window Control System
RFRoof
HDHood
EXTExterior
BRMBody Repair
LDRIVER CONTROLSMIRMirrors
EXLExterior Lighting System
INLInterior Lighting System
WWWiper & Washer
DEFDefogger
HRNHorn
MELECTRICAL & POWER
CONTROLPWOPower Outlet
BCSBody Control System
LANLAN System
PCSPower Control System
CHGCharging System
PGPower Supply, Ground & Circuit Elements
NDRIVER INFORMATION &
MULTIMEDIAMWIMeter, Warning Lamp & Indicator
WCSWarning Chime System
SNSonar System
AVAudio, Visual & Navigation System
OCRUISE CONTROL &
DRIVER ASSISTANCECCSCruise Control System
DASDriver Assistance System
DMSDrive Mode System
PMAINTENANCEMAMaintenance
All rights reserved. No part
of this Service Manual may
be reproduced or stored in a
retrieval system, or transmit-
ted in any form, or by any
means, electronic, mechani-
cal, recording or otherwise,
without the prior written per-
mission of NISSAN MOTOR
CO., LTD.
Edition: May 2010
Publication No. SM1E-1Z62U0

ADP-2
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description ................................
51
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement .....
52
SYSTEM INITIALIZATION . .......................................52
SYSTEM INITIALIZATION : Description .................52
SYSTEM INITIALIZATION : Special Repair Re-
quirement ............................................................. ...
52
MEMORY STORING .............................................. ...53
MEMORY STORING : Description .........................53
MEMORY STORING : Special Repair Require-
ment ........................................................................
53
INTELLIGENT KEY INTERLOCK STORING ........ ...53
INTELLIGENT KEY INTERLOCK STORING : De-
scription ..................................................................
54
INTELLIGENT KEY INTERLOCK STORING :
Special Repair Requirement ...................................
54
SYSTEM SETTING ...................................................54
SYSTEM SETTING : Descrip tion ...........................54
SYSTEM SETTING : Specia l Repair Requirement
...
55
DTC/CIRCUIT DIAGNOSIS ...................... ...56
U1000 CAN COMM CIRCUIT ......................... ...56
Description ........................................................... ...56
DTC Logic ...............................................................56
Diagnosis Procedure .............................................56
Special Repair Requirement ...................................56
U1010 CONTROL UNIT (CAN) .........................57
DTC Logic ............................................................ ...57
Diagnosis Procedure ..............................................57
B2112 SLIDING MOTOR ...................................58
DTC Logic ............................................................ ...58
Diagnosis Procedure .............................................58
B2113 RECLINING MOTOR ..............................60
DTC Logic ............................................................ ...60
Diagnosis Procedure .............................................60
B2116 TILT MOTOR ..........................................62
DTC Logic ............................................................ ...62
Diagnosis Procedure .............................................62
B2128 UART COMMUNICATION LINE ............64
Description ........................................................... ...64
DTC Logic ...............................................................64
Diagnosis Procedure .............................................64
B2130 EEPROM ................................................66
DTC Logic ............................................................ ...66
Diagnosis Procedure .............................................66
POWER SUPPLY AND GROUND CIRCUIT .....67
DRIVER SEAT CONTROL UNIT ........................... ...67
DRIVER SEAT CONTROL UNIT :
Diagnosis Procedure ..............................................
67
DRIVER SEAT CONTROL UNIT : Special Repair
Requirement ...........................................................
67
AUTOMATIC DRIVE POSITIONER CONTROL
UNIT ........................................................................ ...
67
AUTOMATIC DRIVE POSITIONER CONTROL
UNIT : Diagnosis Procedure ..................................
67
AUTOMATIC DRIVE POSITIONER CONTROL
UNIT : Special Repair Requirement ........................
68
SLIDING SWITCH .............................................69
Component Function Check ............................... ...69
Diagnosis Procedure ..............................................69
Component Inspection ............................................70
RECLINING SWITCH ........................................71
Component Function Check ............................... ...71
Diagnosis Procedure ..............................................71
Component Inspection ............................................72
LIFTING SWITCH (FRONT) ..............................73
Component Function Check ............................... ...73
Diagnosis Procedure ..............................................73
Component Inspection ............................................74
LIFTING SWITCH (REAR) ................................75
Component Function Check ............................... ...75
Diagnosis Procedure ..............................................75
Component Inspection ............................................76
TILT SWITCH ....................................................77
Component Function Check ............................... ...77
Diagnosis Procedure ..............................................77
Component Inspection ............................................78
TELESCOPIC SWITCH .....................................79
Component Function Check ............................... ...79
Diagnosis Procedure ..............................................79
Component Inspection ............................................80
SEAT MEMORY SWITCH .................................81
Component Function Check ............................... ...81
Diagnosis Procedure ..............................................81
Component Inspection ............................................82
DOOR MIRROR REMOTE CONTROL
SWITCH .............................................................
83
CHANGEOVER SWITCH ....................................... ...83
CHANGEOVER SWITCH : Component Function
Check ......................................................................
83
CHANGEOVER SWITCH : Diagnosis Procedure ...83
CHANGEOVER SWITCH : Component Inspec-
tion ..........................................................................
84
MIRROR SWITCH .................................................. ...84
MIRROR SWITCH : Component Function Check ...84
MIRROR SWITCH : Diagnosis Procedure ..............85
MIRROR SWITCH : Component Inspection ...........86
Revision: 2010 May2011 QX56

ADP-3
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POWER SEAT SWITCH GROUND CIRCUIT ....87
Diagnosis Procedure .......................................... ....87
TILT &TELESCOPIC SWITCH GROUND CIR-
CUIT ....................................................................
88
Diagnosis Procedure ........................................... ....88
SLIDING SENSOR .............................................89
Component Function Check .............................. ....89
Diagnosis Procedure ..............................................89
RECLINING SENSOR ........................................91
Component Function Check .............................. ....91
Diagnosis Procedure ..............................................91
LIFTING SENSOR (FRONT) ..............................93
Component Function Check .............................. ....93
Diagnosis Procedure ..............................................93
LIFTING SENSOR (REAR) ................................95
Component Function Check .............................. ....95
Diagnosis Procedure ..............................................95
TILT SENSOR ....................................................97
Component Function Check .............................. ....97
Diagnosis Procedure ..............................................97
TELESCOPIC SENSOR .....................................99
Component Function Check .............................. ....99
Diagnosis Procedure ..............................................99
MIRROR SENSOR ...........................................102
DRIVER SIDE ........................................................ ..102
DRIVER SIDE : Component Function Check ......102
DRIVER SIDE : Diagnosis Procedure ..................102
PASSENGER SIDE .................................................103
PASSENGER SIDE :
Component Function Check .............................. ..
103
PASSENGER SIDE : Diagnosis Procedure .........104
SLIDING MOTOR .............................................106
Component Function Check .............................. ..106
Diagnosis Procedure ............................................106
RECLINING MOTOR ........................................108
Component Function Check .............................. ..108
Diagnosis Procedure ............................................108
LIFTING MOTOR (FRONT) ..............................110
Component Function Check .............................. ..110
Diagnosis Procedure ............................................110
LIFTING MOTOR (REAR) ................................112
Component Function Check .............................. ..112
Diagnosis Procedure ............................................112
TILT MOTOR ....................................................114
Component Function Check .............................. ..114
Diagnosis Procedure ............................................114
TELESCOPIC MOTOR .....................................116
Component Function Check .............................. ..116
Diagnosis Procedure ............................................116
DOOR MIRROR MOTOR ................................118
Component Function Check ..................................118
Diagnosis Procedure .............................................118
Component Inspection ...........................................119
SEAT MEMORY INDICATOR .........................120
Component Function Check ................................120
Diagnosis Procedure ............................................120
SYMPTOM DIAGNOSIS ............................122
MANUAL FUNCTION DOES NOT OPERATE .122
ALL COMPONENT ................................................ ..122
ALL COMPONENT : Diagnosis Procedure ...........122
POWER SEAT ....................................................... ..122
POWER SEAT : Diagnosis Procedure ..................122
TILT & TELESCOPIC ............................................ ..122
TILT & TELESCOPIC : Diagnosis Procedure ........122
SEAT SLIDING ...................................................... ..123
SEAT SLIDING : Diagnosis Procedure .................123
SEAT RECLINING ................................................. ..123
SEAT RECLINING : Diagnosis Procedure ............123
SEAT LIFTING (FRONT) ....................................... ..124
SEAT LIFTING (FRONT) : Diagnosis Procedure ..124
SEAT LIFTING (REAR) ...........................................124
SEAT LIFTING (REAR) : Diagnosis Procedure .....124
STEERING TILT ..................................................... ..125
STEERING TILT : Diagnosis Procedure ...............125
STEERING TELESCOPIC ..................................... ..125
STEERING TELESCOPIC : Diagnosis Procedure ..125
DOOR MIRROR ..................................................... ..126
DOOR MIRROR : Diagnosis Procedure ................126
MEMORY FUNCTION DOES NOT OPERATE .127
ALL COMPONENT ................................................ ..127
ALL COMPONENT : Diagnosis Procedure ...........127
SEAT SLIDING ...................................................... ..127
SEAT SLIDING : Diagnosis Procedure .................127
SEAT RECLINING ................................................. ..128
SEAT RECLINING : Diagnosis Procedure ............128
SEAT LIFTING (FRONT) ....................................... ..128
SEAT LIFTING (FRONT) : Diagnosis Procedure ..128
SEAT LIFTING (REAR) ...........................................128
SEAT LIFTING (REAR) : Diagnosis Procedure .....128
STEERING TILT ..................................................... ..129
STEERING TILT : Diagnosis Procedure ...............129
Revision: 2010 May2011 QX56

DRIVER SEAT CONTROL UNITADP-27
< ECU DIAGNOSIS INFORMATION >
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*: The value at the position attained when the battery is connected is regarded as 32768.
TERMINAL LAYOUT
PHYSICAL VALUES
DOOR SW-FR Passenger door Open ON
Close OFF
IGN ON SW Ignition switch ON position ON
Other than the above OFF
ACC ON SW Ignition switch ACC or ON position ON
Other than the above OFF
KEY ON SW Intelligent Key Inserted is key slot ON
Inserted is not key slot OFF
KEYLESS ID UNLOCK button of Intelligent Key is pressed 1, 2, 3, 4 or 5
KYLS DR UNLK Intelligent Key or driver
side door request switch ON ON
OFF OFF
VHCL SPEED (ABS) Can signal from ABS Received ON
Not received OFF
HANDLE The BCM for handle position is displayed LHD
RHD
TRANSMISSION Transmission type is displayed AT o r C V T
MT
Monitor Item Condition Value/Status
JMJIA3903ZZ
Te r m i n a l N o .
(Wire color) Description
ConditionVoltage (V)
(Approx.)
+ - Signal name Input/
output
1
(R/Y) —CAN-H — — —
2
(R) Ground UART communication
(TX/RX) Input Ignition switch ON
JMJIA1391ZZ
Revision: 2010 May2011 QX56

ADP-28
< ECU DIAGNOSIS INFORMATION >
DRIVER SEAT CONTROL UNIT
4
(R/L) Ground Reclining sensor sig-
nal Input Seat reclining Operate
Other than the
above
0 or 5
5
(R/B) Ground
Telescopic sensor sig-
nal Input
Steering telescop-
ic Operate
Other than the
above
0 or 5
6
(R/W) Ground Memory switch 2 sig-
nal Input Memory switch 2 Press 0
Other than the
above
5
7
(R/G) Ground Memory indicator 2
signal OutputMemory indicator
2 Illuminate 1
Other than the
above
12
8
(SB) Ground Sliding switch back-
ward signal Input Sliding switch Operate
(backward)
0
Other than the
above 12
9
(L) Ground
Reclining switch back-
ward signal Input Reclining switch Operate
(backward)
0
Other than the
above 12
10
(L/B) Ground Lifting switch (front)
down signal
InputLifting switch
(front) Operate
(down)
0
Other than the
above 12
11
(L/W) Ground Lifting switch (rear)
down signal InputLifting switch
(rear) Operate
(down)
0
Other than the
above 12
12
(L/R) Ground Sensor power supply Output — 12
17
(V)
—CAN-L — — —
18
(B/W) Ground Sliding sensor signal Input Seat sliding Operate
Other than the
above
0 or 5
JMJIA0119ZZ
JMJIA0119ZZ
JMJIA0119ZZ
Revision: 2010 May2011 QX56

DRIVER SEAT CONTROL UNITADP-29
< ECU DIAGNOSIS INFORMATION >
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19
(B/R) Ground Lifting sensor (front)
signal Input Seat lifting (front) Operate
Other than the
above
0 or 5
20
(B/L) Ground
Lifting sensor (rear)
signal Input
Seat lifting (rear) Operate
Other than the
above
0 or 5
21
(W/B) Ground Tilt sensor signal Input Steering tilt Operate
Other than the
above
0 or 5
22
(W/L) Ground
Memory switch 1 sig-
nal Input Memory switch 1 Press 0
Other than the
above
5
23
(W/R) Ground Memory indicator 1
signal OutputMemory indicator
1 Illuminate 1
Other than the
above
12
24
(V/W) Ground Sliding switch forward
signal Input Sliding switch Operate
(forward)
0
Other than the
above 12
25
(Y/B) Ground
Reclining switch for-
ward signal Input Reclining switch Operate
(forward)
0
Other than the
above 12
26
(Y/R) Ground Lifting switch (front) up
signal
InputLifting switch
(front) Operate
(up)
0
Other than the
above 12
27
(Y/L) Ground Lifting switch (rear) up
signal InputLifting switch
(rear) Operate
(up)
0
Other than the
above
12
28
(G) Ground Set switch signal Input Set switch Press 0
Other than the
above
5
JMJIA0119ZZ
JMJIA0119ZZ
JMJIA0119ZZ
Revision: 2010 May2011 QX56

ADP-30
< ECU DIAGNOSIS INFORMATION >
DRIVER SEAT CONTROL UNIT
Fail Safe
INFOID:0000000006248318
The fail-safe mode may be activated if the following symptoms are observed.
33
(R) Ground Battery power supply Input — Battery voltage
34
(B) Ground Sliding motor back-
ward output signal Output Seat sliding Operate
(backward)
12
Other than the
above 0
35
(G) Ground
Reclining motor for-
ward output signal Output Seat reclining Operate
(forward)
12
Other than the
above 0
36
(L) Ground Lifting motor (front)
down output signal
Output Seat lifting (front) Operate
(down)
12
Other than the
above 0
38
(GR) Ground Sliding motor forward
output signal Output Seat sliding Operate
(forward)
12
Other than the
above 0
39
(Y) Ground
Reclining motor back-
ward output signal Output Seat reclining Operate
(backward)
12
Other than the
above 0
40
(W) Ground Lifting motor (front) up
output signal
Output Seat lifting (front) Operate
(up)
12
Other than the
above 0
41
(V) Ground Lifting motor (rear) up
output signal Output Seat lifting (rear) Operate
(up)
12
Other than the
above 0
42
(P/B) Ground
Lifting motor (rear)
down output signal Output Seat lifting (rear) Operate
(down)
12
Other than the
above 0
43
(LG) Ground Ground — — 0
Operating in
fail-safe mode Malfunction ItemRelated
DTC Diagnosis
Only manual functions operate normally. CAN communication U1000
ADP-56
CONTROL UNIT U1010ADP-57
EEPROM B2130ADP-66
Only manual functions, except door mirror, operate normally. UART communication B2128 ADP-64
Only manual functions, except seat sliding, operate normally. Seat sliding output B2112ADP-58
Only manual functions, except seat reclining, operate normally. Seat reclining output B2113ADP-60
Only manual functions, except steering tilt, operate normally. Steering column tilt output B2116ADP-62
Revision: 2010 May2011 QX56

ADP-32
< ECU DIAGNOSIS INFORMATION >
AUTOMATIC DRIVE POSITIONER CONTROL UNIT
AUTOMATIC DRIVE POSITIONER CONTROL UNIT
Reference ValueINFOID:0000000006248320
TERMINAL LAYOUT
PHYSICAL VALUES
JMJIA3671ZZ
Te r m i n a l N o .(wire color) Description
ConditionVoltage (V)
(Approx.)
+ - Signal name Input/
Output
1
(Y) Ground Tilt switch up signal Input Tilt switch Operate
(up)
0
Other than the
above 5
2
(GR/B) Ground
Changeover switch RH
signal Input
Changeover
switch position RH 0
Neutral or LH 5
3
(Y/G) Ground Mirror switch up
signal Input Mirror switch Operated
(up)
0
Other than the
above 5
4
(GR/R) Ground Mirror switch left
signal Input Mirror switch Operated
(left)
0
Other than the
above 5
5
(R/B) Ground Door mirror sensor (pas-
senger side) up/down
signal
Input Door mirror RH position
Change between 3.4 (close to
peak) 0.6 (close to valley)
6
(L/Y) Ground Door mirror sensor (driv-
er side) up/down signal
Input Door mirror LH position Change between 3.4 (close to
peak) 0.6 (close to valley)
7
(P) Ground Telescopic switch for-
ward signal
InputTelescopic
switch Operate
(forward)
0
Other than the
above 5
8
(LG/R) Ground UART communication
(TX/RX)
Output Ignition switch ON
JMJIA1391ZZ
Revision: 2010 May2011 QX56

AUTOMATIC DRIVE POSITIONER CONTROL UNITADP-33
< ECU DIAGNOSIS INFORMATION >
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10
(L/O) Ground Door mirror motor (pas-
senger side) up output
signal
Output Door mirror RH Operate
(up)
12
Other than the
above 0
11
(Y/B) Ground Door mirror motor (pas-
senger side) left output
signal Output Door mirror RH Operate
(left)
12
Other than the
above 0
12
(SB) Ground Door mirror motor (driver
side) down/right output
signal Output Door mirror (LH) Operate
(down/right)
12
Other than the
above 0
13
(LG) Ground Tilt switch down signal Input Tilt switch Operate
(down)
0
Other than the
above 5
14
(BR) Ground
Changeover switch LH
signal Input
Changeover
switch position LH 0
Neutral or RH 5
15
(O/L) Ground Mirror switch down sig-
nal Input Mirror switchOperate
(down)
0
Other than the
above 5
16
(V/W) Ground Mirror switch righ
t signal Input Mirror switch Operate
(right)
0
Other than the
above 5
17
(L/R) Ground Door mirror sensor (pas-
senger side) left/right
signal
Input Door mirro
r RH position Change between 3.4 (close to
left edge) 0.6 (close to right
edge)
18
(G/W) Ground
Door mirror sensor (driv-
er side) left/right signal Input Door mirro
r LH position Change between 0.6 (close to
left edge) 3.4 (close to right
edge)
19
(G)
Ground Telescopic switch back-
ward signal
InputTelescopic
switch Operate
(backward)
0
Other than the
above 5
20
(Y) Ground Sensor ground — — 0
21
(W/L) Ground
Door mirror motor sen-
sor power supply Input — 5
22
(V) Ground Door mirror motor (pas-
senger side) down/right
output signal Output Door mirror (RH) Operate
(down/right)
12
Other than the
above 0
23
(L/W) Ground Door mirror motor (driver
side) up output signal
Output Door mirror (LH) Operate
(up)
12
Other than the
above 0
Te r m i n a l N o .
(wire color) Description
ConditionVoltage (V)
(Approx.)
+ - Signal name Input/
Output
Revision: 2010 May2011 QX56

ADP-34
< ECU DIAGNOSIS INFORMATION >
AUTOMATIC DRIVE POSITIONER CONTROL UNIT
24
(BR/Y) Ground Door mirror motor (driver
side) left output signal
Output Door mirror (LH) Operate
(left)
12
Other than the
above 0
25
(W/R) Ground Battery power supply Input — Battery voltage
26
(L) Ground Telescopic motor back-
ward output signal
OutputSteering tele-
scopic Operate
(backward)
12
Other than the
above 0
27
(P) Ground Tilt & telescopic sensor
power supply
Output — 12
28
(G) Ground Tilt motor down output
signal
Output Steering tilt Operate
(down)
12
Other than the
above 0
29
(W/B) Ground Tilt motor up output sig-
nal
OutputSteering tilt
Operate
(up)
12
Other than the
above 0
Telescopic motor for-
ward output signal Steering tele-
scopicOperate
(forward)
12
Other than the
above 0
30
(B) Ground Ground — — 0
Te r m i n a l N o .
(wire color) Description
ConditionVoltage (V)
(Approx.)
+ - Signal name Input/
Output
Revision: 2010 May2011 QX56