2011 INFINITI QX56 service

POWER SUPPLY AND GROUND CIRCUITADP-67
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
POWER SUPPLY AND GROUND CIRCUIT
DRIVER SEAT CONTROL UNIT
DRIVER SEAT CONTROL UNIT : Diagnosis ProcedureINFOID:0000000006248353
1.CHECK FUSE
Check that the following fuse and fusible link are not fusing.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace the blown fuse after repairing the affected circuit.
2.CHECK DRIVER SEAT CONTROL UNIT POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect driver seat control unit connector.
3. Check voltage between driver seat control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK DRIVER SEAT CONTROL UNIT GROUND CIRCUIT
Check continuity between the driver s eat control unit harness connector and ground.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Repair or replace harness.
DRIVER SEAT CONTROL UNIT : Special Repair RequirementINFOID:0000000006248354
1.PERFORM ADDITIONAL SERVICE
Perform additional service when removing battery negative terminal.
>> Refer to ADP-51, "
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMI-
NAL : Description".
AUTOMATIC DRIVE POSITIONER CONTROL UNIT
AUTOMATIC DRIVE POSITIONER CO NTROL UNIT : Diagnosis Procedure
INFOID:0000000006248355
NOTE:
Do not disconnect the battery negative terminal and the dr iver seat control unit connector until DTC is con-
firmed with CONSULT-III.
1.CHECK FUSE
Check that the following fuse and fusible link are not fusing.
Signal name Fuse No.
Battery power supply K (50 A)
(+) (-)Voltage (V)
(Approx.)
Driver seat control unit
Connector Terminals B451 33 Ground Battery voltage
Driver seat control unit GroundContinuity
Connector Terminal
B451 43 Existed
Revision: 2010 May2011 QX56

ADP-68
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace the blown fuse after repairing the affected circuit.
2.CHECK AUTOMATIC DRIVE POSITIONER CONTROL UNIT POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect automatic drive positioner control unit connector.
3. Check voltage between automatic drive posit ioner control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK AUTOMATIC DRIVE POSITION ER CONTROL UNIT GROUND CIRCUIT
Check continuity between the automatic drive positioner control unit harness connector and ground.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Repair or replace harness.
AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Special Repair Requirement
INFOID:0000000006248356
1.PERFORM ADDITIONAL SERVICE
Perform additional service when removing battery negative terminal.
>> Refer to ADP-51, "
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMI-
NAL : Description".
Signal name Fuse No.
Battery power supply K (50 A)
(+) (-)Voltage (V)
(Approx.)
Automatic drive positioner control unit
Connector Terminals M104 25 Ground Battery voltage
Automatic drive positioner control unit GroundContinuity
Connector Terminal
M104 30 Existed
Revision: 2010 May2011 QX56

DRIVER SEAT CONTROL UNITADP-135
< REMOVAL AND INSTALLATION >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
REMOVAL AND INSTALLATION
DRIVER SEAT CONTROL UNIT
Removal and InstallationINFOID:0000000006248441
REMOVAL
CAUTION:
When removing and in stalling, use shop cloths to protect parts from damage.
1. Remove driver seat (1). Refer to SE-112, "
Removal and Installa-
tion".
2. Remove screws (A).
3. Remove driver seat control unit (2).
INSTALLATION
Install in the reverse order of removal.
CAUTION:
Be sure to clump the harness to the right place.
NOTE:
After installing the driver seat, perform additional service when replacing control unit. Refer to ADP-51, "
ADDI-
TIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description".
JMJIA3779ZZ
Revision: 2010 May2011 QX56

ADP-136
< REMOVAL AND INSTALLATION >
AUTOMATIC DRIVE POSITIONER CONTROL UNIT
AUTOMATIC DRIVE POSITIONER CONTROL UNIT
Removal and InstallationINFOID:0000000006248442
REMOVAL
CAUTION:
When removing and installing, use shop cloths to protect parts from damage.
1. Remove instrument lower panel LH. Refer to IP-14, "
Removal
and Installation".
2. Remove screws (A).
3. Remove automatic drive positioner control unit (1).
INSTALLATION
Install in the reverse order of removal.
CAUTION:
Be sure to clump the harness to the right place.
NOTE:
After installing the driver seat, perform additional service when replacing control unit. Refer to ADP-51, "
ADDI-
TIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description".
JMJIA1388ZZ
Revision: 2010 May2011 QX56

SEAT MEMORY SWITCHADP-137
< REMOVAL AND INSTALLATION >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
SEAT MEMORY SWITCH
Removal and InstallationINFOID:0000000006248443
REMOVAL
CAUTION:
When removing and in stalling, use shop cloths to protect parts from damage.
1. Remove front door garnish (1). Refer to INT-14, "
Removal and
Installation".
2. Press pawls and remove seat memory switch (2) from front door garnish (1), with flat-bladed screw driver (A).
INSTALLATION
Install in the reverse order of removal.
CAUTION:
Be sure to clump the harness to the right place.
NOTE:
After installing the driver seat, perform additional service when removing battery negative terminal. Refer to
ADP-51, "
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Description".
: Pawl
JMJIA1817ZZ
Revision: 2010 May2011 QX56

ADP-138
< REMOVAL AND INSTALLATION >
POWER SEAT SWITCH
POWER SEAT SWITCH
Removal and InstallationINFOID:0000000006248444
REMOVAL
CAUTION:
When removing and installing, use shop cloths to protect parts from damage.
1. Remove seat cushion outer finisher (1). Refer to SE-116, "
SEAT
CUSHION : Disassembly and Assembly".
2. Remove screws (A).
3. Remove power seat switch (2) from seat cushion outer finisher (1).
INSTALLATION
Install in the reverse order of removal.
CAUTION:
Be sure to clump the harness to the right place.
NOTE:
After installing the driver seat, perform additional se rvice when removing battery negative terminal. Refer to
ADP-51, "
ADDITIONAL SERVICE WHEN REMOVING BATTE RY NEGATIVE TERMINAL : Description".
JMJIA3780ZZ
Revision: 2010 May2011 QX56

TILT&TELESCOPIC SWITCHADP-139
< REMOVAL AND INSTALLATION >
C
DE
F
G H
I
K L
M A
B
ADP
N
O P
TILT&TELESCOPIC SWITCH
Removal and InstallationINFOID:0000000006248445
REMOVAL
CAUTION:
When removing and in stalling, use shop cloths to protect parts from damage.
1. Remove steering column lower cover (1). Refer to IP-14,
"Removal and Installation".
2. Press pawls and remove tilt & telescopic switch (2) from the steering column lower cover (1).
INSTALLATION
Install in the reverse order of removal.
CAUTION:
Be sure to clump the harness to the right place.
NOTE:
After installing the driver seat, perform additional service when removing battery negative terminal. Refer to
ADP-51, "
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Description".
: Pawl
JMJIA1467ZZ
Revision: 2010 May2011 QX56

AV
AV-1
DRIVER INFORMATION & MULTIMEDIA
C
DE
F
G H
I
J
K L
M B
SECTION AV
A
O P
CONTENTS
AUDIO, VISUAL & NAVIGATION SYSTEM
PRECAUTION ................ ...............................6
PRECAUTIONS .............................................. .....6
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
6
Precaution for Trouble Diagnosis ..............................6
Precaution for Harness Repair ..................................6
PREPARATION ............................................8
PREPARATION .............................................. .....8
Commercial Service Tools .................................. ......8
SYSTEM DESCRIPTION ..............................9
COMPONENT PARTS ................................... .....9
Component Parts Location .................................. ......9
Component Description ...........................................10
SYSTEM .............................................................13
MULTI AV SYSTEM .............................................. ....13
MULTI AV SYSTEM : System Diagram ..................13
MULTI AV SYSTEM : System Description ..............14
MULTI AV SYSTEM : Fail-Sa fe .......................... ....27
DIAGNOSIS SYSTEM (AV CONTROL UNIT) ....28
Description .......................................................... ....28
On Board Diagnosis Function .................................28
CONSULT-III Function ............................................39
DIAGNOSIS SYSTEM (AROUND VIEW MON-
ITOR CONTROL UNIT) ......................................
44
On Board Diagnosis Function ............................. ....44
DIAGNOSIS SYSTEM [SONAR CONTROL
UNIT (WITH AROUND VIEW MONITOR)] .........
47
CONSULT-III Function ........................................ ....47
DIAGNOSIS SYSTEM (HEADREST DISPLAY
UNIT) ..................................................................
49
Description .......................................................... ....49
On Board Diagnosis Function .............................. ....49
ECU DIAGNOSIS INFORMATION ..............51
AV CONTROL UNIT ..........................................51
Reference Value .................................................. ....51
Fail-Safe ..................................................................57
DTC Index ...............................................................57
FRONT DISPLAY UNIT ....................................60
Reference Value ......................................................60
HEADREST DISPLAY UNIT .............................62
Reference Value ......................................................62
VIDEO DISTRIBUTOR ......................................64
Reference Value ......................................................64
BOSE AMP. .......................................................68
Reference Value ......................................................68
AROUND VIEW MONITOR CONTROL UNIT ...71
Reference Value ......................................................71
SONAR CONTROL UNIT (WITH AROUND
VIEW MONITOR) ..............................................
75
Reference Value ......................................................75
Fail-Safe ..................................................................77
DTC Index ...............................................................77
WIRING DIAGRAM ......................................78
BOSE AUDIO WITH NAVIGATION ..................78
Wiring Diagram .................................................... ....78
BASIC INSPECTION .................................104
DIAGNOSIS AND REPAIR WORK FLOW .....104
Work Flow (Multi AV) ........................................... ..104
Work Flow (Camera Assistance Sonar) ................106
ADDITIONAL SERVICE WHEN REPLACING
(AV CONTROL UNIT) .....................................
108
Revision: 2010 May2011 QX56