2009 INFINITI QX56 Factory Service Manual

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Page 369 of 4171

INFINITI QX56 2009 Factory Service Manual AV
AUDIO ANTENNAAV-183
< ON-VEHICLE REPAIR > [AUDIO SYSTEM]
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• When measuring continuity, wrap tin foil around the top of
probe. Then, press the foil against the wire w

Page 370 of 4171

INFINITI QX56 2009 Factory Service Manual AV-184
< ON-VEHICLE REPAIR >[AUDIO SYSTEM]
SATELLITE RADIO ANTENNA
SATELLITE RADIO ANTENNA
Removal and InstallationINFOID:0000000003776917
REMOVAL
1. Lower the headliner. Refer to
INT-17, "Removal an

Page 371 of 4171

INFINITI QX56 2009 Factory Service Manual AV
GPS ANTENNAAV-185
< ON-VEHICLE REPAIR > [AUDIO SYSTEM]
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GPS ANTENNA
Removal and InstallationINFOID:0000000003776918
REMOVAL
1. Remove the A/T shift selector. Refer to

Page 372 of 4171

INFINITI QX56 2009 Factory Service Manual AV-186
< ON-VEHICLE REPAIR >[AUDIO SYSTEM]
MICROPHONE
MICROPHONE
Removal and InstallationINFOID:0000000003776919
REMOVAL
1. Remove the front roof console finisher. Refer to
INT-17,
"Removal and Insta

Page 373 of 4171

INFINITI QX56 2009 Factory Service Manual AV
REAR VIEW CAMERAAV-187
< ON-VEHICLE REPAIR > [AUDIO SYSTEM]
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REAR VIEW CAMERA
Removal and InstallationINFOID:0000000003776920
REMOVAL
1. Remove the back door lower fini

Page 374 of 4171

INFINITI QX56 2009 Factory Service Manual AV-188
< ON-VEHICLE REPAIR >[AUDIO SYSTEM]
REAR VIEW CAMERA CONTROL UNIT
REAR VIEW CAMERA CONTROL UNIT
Removal and InstallationINFOID:0000000003776921
REMOVAL
1. Remove the luggage side finishers LH.

Page 375 of 4171

INFINITI QX56 2009 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 ADJU STMENT ...

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 ADJU STMENT .....................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) .....................
18
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) .................................
20
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) ........................
24
INTELLIGENT KEY ................................................ ....24
INTELLIGENT KEY : CONSULT-III Function
(BCM - INTELLIGENT KEY) ....................................
24
Revision: December 20092009 QX56

Page 376 of 4171

INFINITI QX56 2009 Factory Service Manual
BCS-2
COMB SW .................................................................24
COMB SW : CONSULT-III Function (BCM -
COMB SW) .............................................................
24
IM

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 .................................................................50
DTC Inspection Priority Chart ...............................51
DTC Index ..............................................................51
SYMPTOM DIAGNOSIS ............................53
COMBINATION SWITCH SYSTEM SYMP-
TOMS .............................................................. ...
53
Symptom Table .................................................... ...53
PRECAUTION ............................................54
PRECAUTIONS .............................................. ...54
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .............................................................. ...
54
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ..................................
54
ON-VEHICLE REPAIR ...............................56
BCM (BODY CONTROL MODULE) ............... ...56
Removal and Installation ...................................... ...56
Revision: December 20092009 QX56

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