2008 INFINITI QX56 Factory Service Manual

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Page 361 of 4083

INFINITI QX56 2008 Factory Service Manual AV-180
< ON-VEHICLE REPAIR >[AUDIO SYSTEM]
SATELLITE RADIO ANTENNA
SATELLITE RADIO ANTENNA
Removal and InstallationINFOID:0000000001601502
REMOVAL
1. Lower the headliner. Refer to
INT-17, "Removal an

Page 362 of 4083

INFINITI QX56 2008 Factory Service Manual AV
GPS ANTENNAAV-181
< ON-VEHICLE REPAIR > [AUDIO SYSTEM]
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GPS ANTENNA
Removal and InstallationINFOID:0000000001601784
REMOVAL
1. Remove the control device. Refer to TM-1

Page 363 of 4083

INFINITI QX56 2008 Factory Service Manual AV-182
< ON-VEHICLE REPAIR >[AUDIO SYSTEM]
MICROPHONE
MICROPHONE
Removal and InstallationINFOID:0000000001601625
REMOVAL
1. Remove the front roof console finisher. Refer to
INT-17,
"Removal and Insta

Page 364 of 4083

INFINITI QX56 2008 Factory Service Manual AV
REAR VIEW CAMERAAV-183
< ON-VEHICLE REPAIR > [AUDIO SYSTEM]
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REAR VIEW CAMERA
Removal and InstallationINFOID:0000000001612979
REMOVAL
1. Remove the back door lower fini

Page 365 of 4083

INFINITI QX56 2008 Factory Service Manual AV-184
< ON-VEHICLE REPAIR >[AUDIO SYSTEM]
REAR VIEW CAMERA CONTROL UNIT
REAR VIEW CAMERA CONTROL UNIT
Removal and InstallationINFOID:0000000001612980
REMOVAL
1. Disconnect the battery negative termin

Page 366 of 4083

INFINITI QX56 2008 Factory Service Manual BCS
BCS-1
ELECTRICAL & POWER CONTROL
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SECTION BCS
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CONTENTS
BODY CONTROL SYSTEM
BCM
BASIC INSPECTION ....... .............................
3
INSPECTION AND ADJUSTMENT .....

BCS
BCS-1
ELECTRICAL & POWER CONTROL
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SECTION BCS
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CONTENTS
BODY CONTROL SYSTEM
BCM
BASIC INSPECTION ....... .............................
3
INSPECTION AND ADJUSTMENT ................ .....3
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT .................................................... ......
3
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description ..................................
3
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement .......
3
CONFIGURATION ................................................. ......3
CONFIGURATION : Description ...............................3
CONFIGURATION : Special Repair Requirement ......4
FUNCTION DIAGNOSIS .. .............................5
BODY CONTROL SYSTEM ........................... .....5
System Description ............................................. ......5
Component Parts Location ........................................6
COMBINATION SWITCH READING SYSTEM
.....
7
System Diagram .................................................. ......7
System Description ...................................................7
Component Parts Location ......................................10
SIGNAL BUFFER SYSTEM ...............................12
System Diagram .................................................. ....12
System Description .................................................12
POWER CONSUMPTION CONTROL SYS-
TEM ....................................................................
13
System Diagram .................................................. ....13
System Description .................................................13
Component Parts Location ......................................15
DIAGNOSIS SYSTEM (BCM) ............................16
COMMON ITEM ..................................................... ....16
COMMON ITEM : CONSULT-III Function (BCM -
COMMON ITEM) .....................................................
16
BCM ....................................................................... ....16
BCM : CONSULT-III Function (BCM - BCM) ...........16
DOOR LOCK .......................................................... ....17
DOOR LOCK : CONSULT-III Function (BCM -
DOOR LOCK) ..........................................................
17
REAR WINDOW DEFOGGER ............................... ....17
REAR WINDOW DEFOGGER : CONSULT-III
Function (BCM - REAR DEFOGGER) .....................
17
BUZZER ................................................................. ....18
BUZZER : CONSULT-III Function (BCM - BUZZ-
ER) ..........................................................................
18
INT LAMP ............................................................... ....18
INT LAMP : CONSULT-III Function (BCM - INT
LAMP) ......................................................................
18
MULTIREMOTE ENT ............................................. ....19
MULTIREMOTE ENT : CONSULT-III Function
(BCM - MULTIREMOTE ENT) .................................
19
HEADLAMP ........................................................... ....21
HEADLAMP : CONSULT-III Function (BCM -
HEAD LAMP) ...........................................................
21
WIPER .................................................................... ....22
WIPER : CONSULT-III Function (BCM - WIPER) ....22
FLASHER ............................................................... ....23
FLASHER : CONSULT-III Function (BCM -
FLASHER) ...............................................................
23
AIR CONDITIONER ............................................... ....23
AIR CONDITIONER : CONSULT-III Function
(BCM - AUTO AIR CONDITIONER) ........................
23
INTELLIGENT KEY ................................................ ....24
INTELLIGENT KEY : CONSULT-III Function
(BCM - INTELLIGENT KEY) ....................................
24
Revision: March 2010 2008 QX56

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INFINITI QX56 2008 Factory Service Manual BCS-2
COMB SW .................................................................24
COMB SW : CONSULT-III Function (BCM -
COMB SW) .............................................................
24
IMM

BCS-2
COMB SW .................................................................24
COMB SW : CONSULT-III Function (BCM -
COMB SW) .............................................................
24
IMMU ...................................................................... ...25
IMMU : CONSULT-III Function (BCM - IMMU) .......25
BATTERY SAVER ................................................. ...25
BATTERY SAVER : CONSULT-III Function (BCM
- BATTERY SAVER) ........................................... ...
25
TRUNK ................................................................... ...26
TRUNK : CONSULT-III Function (BCM - TRUNK) ...26
RETAINED PWR .................................................... ...26
RETAINED PWR : CONSULT-III Function (BCM -
RETAINED PWR) ...................................................
26
SIGNAL BUFFER ................................................... ...26
SIGNAL BUFFER : CONSULT-III Function (BCM
- SIGNAL BUFFER) ................................................
26
AIR PRESSURE MONITOR ................................... ...27
AIR PRESSURE MONITOR : Diagnosis Descrip-
tion ..........................................................................
27
AIR PRESSURE MONITOR : CONSULT-III Func-
tion ....................................................................... ...
28
THEFT ALM ........................................................... ...29
THEFT ALM : CONSULT-III Function (BCM -
THEFT ALM) ..........................................................
29
COMPONENT DIAGNOSIS ........................30
U1000 CAN COMM CIRCUIT ......................... ...30
Description ........................................................... ...30
DTC Logic ...............................................................30
Diagnosis Procedure ..............................................30
U1010 CONTROL UNIT (CAN) .........................31
DTC Logic ............................................................ ...31
Diagnosis Procedure ..............................................31
Special Repair Requirement ...................................31
POWER SUPPLY AND GROUND CIRCUIT .. ...32
Diagnosis Procedure ............................................ ...32
COMBINATION SWITCH INPUT CIRCUIT .......33
Diagnosis Procedure ...............................................33
Special Repair Requirement ...................................34
COMBINATION SWITCH OUTPUT CIRCUIT ...35
Diagnosis Procedure ...............................................35
Special Repair Requirement ...................................35
COMBINATION SWITCH ..................................36
Description ........................................................... ...36
Diagnosis Procedure ...............................................36
ECU DIAGNOSIS .......................................38
BCM (BODY CONTROL MODULE) ............... ...38
Reference Value .................................................. ...38
Terminal Layout ......................................................40
Physical Values .......................................................40
Wiring Diagram .......................................................46
Fail Safe .................................................................49
DTC Inspection Priority Chart ...............................50
DTC Index ..............................................................50
SYMPTOM DIAGNOSIS ............................52
COMBINATION SWITCH SYSTEM SYMP-
TOMS .............................................................. ...
52
Symptom Table .................................................... ...52
PRECAUTION ............................................53
PRECAUTIONS .............................................. ...53
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .............................................................. ...
53
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ..................................
53
ON-VEHICLE REPAIR ...............................55
BCM (BODY CONTROL MODULE) ............... ...55
Removal and Installation .........................................55
Revision: March 2010 2008 QX56

Page 368 of 4083

INFINITI QX56 2008 Factory Service Manual BCS
INSPECTION AND ADJUSTMENTBCS-3
< BASIC INSPECTION > [BCM]
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BASIC INSPECTION
INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN
REPLACING CONTROL UNIT
ADDITIONAL SERVIC

BCS
INSPECTION AND ADJUSTMENTBCS-3
< BASIC INSPECTION > [BCM]
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BASIC INSPECTION
INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN
REPLACING CONTROL UNIT
ADDITIONAL SERVICE WHEN REPL ACING CONTROL UNIT : Description
INFOID:0000000001696397
When replacing BCM, save or print current vehicle specification with CONSULT-III configuration before
replacement.
Configuration has three functions as follows
• READ CONFIGURATION is the function to read (e xtract) vehicle configuration of current BCM.
• WRITE CONFIGURATION - Manual sele ction is the function to select and write vehicle configuration on
BCM manually.
• WRITE CONFIGURATION - Config file is the function to write vehicle configuration with the data extracted
from current BCM.
CAUTION:
• When replacing BCM, you must perform WRITE CONFIGURATION with CONSULT-III.
• Complete the procedure of WRITE CONFIGURATION in order.
• If you set incorrect WRITE CONF IGURATION, incidents will occur.
• Configuration is different for each vehicle model. Confirm conf iguration of each vehicle model.
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement
INFOID:0000000001696398
1. SAVING VEHICLE SPECIFICATION
Perform “READ CONFIGURATION” with CONSULT-III to save or print current vehicle specification.
>> GO TO 2
2. REPLACE BCM
Replace BCM. Refer to BCS-55, "
Removal and Installation".
>> GO TO 3
3. WRITING VEHICLE SPECIFICATION
Perform “WRITE CONFIGURATION - Config file” or “WRITE CONFIGURATION - Manual selection” with
CONSULT-III to write vehicl e specification. Refer to BCS-4, "
CONFIGURATION : Special Repair Require-
ment".
>> GO TO 4
4. INITIALIZE BCM (NATS)
Perform BCM initialization. (NATS)
>> WORK END
CONFIGURATION
CONFIGURATION : DescriptionINFOID:0000000001696399
Vehicle specification needs to be written with CONSULT- III because it is not written after replacing BCM.
Configuration has three functions as follows
• READ CONFIGURATION is the function to read (e xtract) vehicle configuration of current BCM.
• WRITE CONFIGURATION - Manual sele ction is the function to select and write vehicle configuration on
BCM manually.
• WRITE CONFIGURATION - Config file is the function to write vehicle configuration with the data extracted
from current BCM.
CAUTION:
Revision: March 2010 2008 QX56

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