2004 INFINITI QX56 Factory Service Manual

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Page 761 of 3371

INFINITI QX56 2004 Factory Service Manual BCS-16
BCM (BODY CONTROL MODULE)
Revision: August 20072004 QX56
WRITE CONFIGURATION PROCEDURE
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected

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INFINITI QX56 2004 Factory Service Manual BCM (BODY CONTROL MODULE)
BCS-17
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Revision: August 20072004 QX56
5. Touch “CONFIGURATION” on “SELECT DIAG MODE” screen.
6. Touch “JA60” and "OK" on “VEHICLE SEL

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INFINITI QX56 2004 Factory Service Manual BCS-18
BCM (BODY CONTROL MODULE)
Revision: August 20072004 QX56
10. Touch "CHNG SETTING" on "WRITE CONFIGURATION" screen.
CAUTION:
Make sure to touch "CHNG SETTING" even if the indicated configuration

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INFINITI QX56 2004 Factory Service Manual BCM (BODY CONTROL MODULE)
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Revision: August 20072004 QX56
14. Touch "OK" on "WRITE CONFIGURATION" screen.
WRITE CONFIGURATION is completed.
Removal and Installation of

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INFINITI QX56 2004 Factory Service Manual BCS-20
BCM (BODY CONTROL MODULE)
Revision: August 20072004 QX56

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INFINITI QX56 2004 Factory Service Manual BL-1
BODY, LOCK & SECURITY SYSTEM
I BODY
CONTENTS
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Revision: August 20072004 QX56 PRECAUTIONS .......................................................... 4
Precaut

BL-1
BODY, LOCK & SECURITY SYSTEM
I BODY
CONTENTS
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Revision: August 20072004 QX56 PRECAUTIONS .......................................................... 4
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 4
Precautions for work ................................................ 4
Wiring Diagnosis and Trouble Diagnosis ................. 4
PREPARATION ........................................................... 5
Special service tool .................................................. 5
Commercial Service Tool ......................................... 5
SQUEAK AND RATTLE TROUBLE DIAGNOSIS ...... 6
Work Flow ................................................................ 6
CUSTOMER INTERVIEW ..................................... 6
DUPLICATE THE NOISE AND TEST DRIVE ....... 7
CHECK RELATED SERVICE BULLETINS ........... 7
LOCATE THE NOISE AND IDENTIFY THE
ROOT CAUSE ...................................................... 7
REPAIR THE CAUSE ........................................... 7
CONFIRM THE REPAIR ....................................... 8
Generic Squeak and Rattle Troubleshooting ........... 8
INSTRUMENT PANEL .......................................... 8
CENTER CONSOLE ............................................. 8
DOORS ................................................................. 8
BACK DOOR ......................................................... 9
SUNROOF/HEADLINER ....................................... 9
OVERHEAD CONSOLE (FRONT AND REAR) ..... 9
SEATS ................................................................... 9
UNDERHOOD ....................................................... 9
Diagnostic Worksheet ............................................ 10
HOOD ....................................................................... 12
Fitting Adjustment .................................................. 12
CLEARANCE AND SURFACE HEIGHT
ADJUSTMENT .................................................... 13
HOOD LOCK ADJUSTMENT ............................. 13
Removal and Installation of Hood Assembly .......... 13
Removal and Installation of Hood Lock Control ..... 14
REMOVAL ........................................................... 14
INSTALLATION ................................................... 15
Hood Lock Control Inspection ................................ 15
POWER DOOR LOCK SYSTEM .............................. 16
Component Parts and Harness Connector Location ... 16System Description ................................................. 17
OUTLINE ............................................................. 18
Schematic ............................................................... 19
Wiring Diagram — D/LOCK — ............................... 20
Terminals and Reference Value for BCM ............... 25
Work Flow ............................................................... 25
CONSULT–II Function (BCM) ................................ 26
CONSULT–II INSPECTION PROCEDURE ......... 26
DATA MONITOR ................................................. 27
ACTIVE TEST ..................................................... 28
Trouble Diagnoses Symptom Chart ....................... 29
BCM Power Supply and Ground Circuit Check ...... 29
Door Switch Check ................................................. 31
Key Switch (Insert) Check ...................................... 33
Door Lock/Unlock Switch Check ............................ 34
Glass Hatch Switch Circuit Inspection .................... 36
Front Door Lock Assembly LH (Actuator) Check .... 37
Front Door Lock Actuator RH Check ...................... 39
Rear Door Lock Actuator RH/LH Check ................. 40
Glass Hatch Lock Actuator Check .......................... 41
Front Door Lock Assembly LH (Key Cylinder Switch)
Check ..................................................................... 42
REMOTE KEYLESS ENTRY SYSTEM ..................... 44
Component Parts and Harness Connector Location ... 44
System Description ................................................. 45
INPUTS ............................................................... 45
OPERATING PROCEDURE ................................ 46
CAN Communication System Description .............. 48
Schematic ............................................................... 49
Wiring Diagram — KEYLES — ............................... 50
............................................................................ 50
............................................................................ 51
............................................................................ 52
Terminals and Reference Value for BCM ............... 53
Terminals and Reference Value for IPDM E/R ....... 54
CONSULT-II Function (BCM) ................................. 55
CONSULT-II Inspection Procedure ......................... 55
“MULTI REMOTE ENT” ....................................... 55
CONSULT-II Application Items ............................... 56
“MULTI REMOTE ENT” ....................................... 56

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INFINITI QX56 2004 Factory Service Manual BL-2Revision: August 20072004 QX56 Trouble Diagnosis Procedure ................................. 59
BCM Power Supply and Ground Circuit Check ...... 59
Trouble Diagnoses ............................

BL-2Revision: August 20072004 QX56 Trouble Diagnosis Procedure ................................. 59
BCM Power Supply and Ground Circuit Check ...... 59
Trouble Diagnoses .................................................. 60
SYMPTOM CHART ............................................. 60
Key Switch (Insert) Check ...................................... 62
Door Switch Check ................................................. 63
Keyfob Battery and Function Check ....................... 65
Remote Keyless Entry Receiver System Check ..... 66
ACC Power Check .................................................. 68
IPDM E/R Operation Check .................................... 68
Check Hazard Function .......................................... 70
Check Horn Function .............................................. 70
Check Headlamp Function ..................................... 70
Check Map Lamp Illumination Function ................. 70
ID Code Entry Procedure ....................................... 71
KEYFOB ID SET UP WITH CONSULT-II ............ 71
KEYFOB ID SET UP WITHOUT CONSULT-II ..... 73
Keyfob Battery Replacement .................................. 74
VEHICLE SECURITY (THEFT WARNING) SYSTEM ... 75
Component Parts and Harness Connector Location ... 75
System Description ................................................. 76
DESCRIPTION .................................................... 76
POWER SUPPLY AND GROUND CIRCUIT ....... 76
INITIAL CONDITION TO ACTIVATE THE SYS-
TEM ..................................................................... 77
VEHICLE SECURITY SYSTEM ALARM OPER-
ATION .................................................................. 78
VEHICLE SECURITY SYSTEM DEACTIVATION ... 78
PANIC ALARM OPERATION ............................... 78
CAN Communication System Description .............. 78
Schematic ............................................................... 79
Wiring Diagram — VEHSEC — .............................. 80
............................................................................. 80
............................................................................. 81
............................................................................. 82
............................................................................. 83
............................................................................. 84
Terminals and Reference Value for BCM ................ 85
Terminals and Reference Value for IPDM E/R ........ 86
CONSULT-II Function (BCM) .................................. 86
CONSULT-II INSPECTION PROCEDURE .......... 87
CONSULT-II APPLICATION ITEM ....................... 89
Trouble Diagnosis ................................................... 90
WORK FLOW ...................................................... 90
Preliminary Check .................................................. 91
Symptom Chart ....................................................... 92
Door Switch Check ................................................. 93
Hood Switch Check ................................................ 95
Combination Meter (Security Indicator Lamp)
Check ..................................................................... 97
Front Door Lock Assembly LH (Key Cylinder Switch)
Check ..................................................................... 98
Vehicle Security Horn Alarm Check ......................100
Vehicle Security Headlamp Alarm Check .............100
Door Lock/Unlock Switch Check ..........................100
AUTOMATIC BACK DOOR SYSTEM .....................101
Component Parts and Harness Connector Location .101
System Description ...............................................102
OPERATION DESCRIPTION ............................102Schematic ............................................................. 107
Wiring Diagram — B/CLOS — .............................. 108
Terminals and Reference Value for Back Door Con-
trol Unit ..................................................................113
Terminals and Reference Value for BCM ..............114
Trouble Diagnosis Procedure ................................115
Self-Diagnosis Procedures ...................................115
INPUT SIGNAL CHECK MODE .........................115
OPERATING CHECK MODE .............................115
Diagnosis Chart ....................................................116
Back Door Power Supply and Ground Circuit
Inspection ..............................................................117
Power Liftgate Switch System Inspection .............118
GLASS HATCH AJAR SWITCH CHECK ...........119
Back Door Close (Close) Switch System Inspection . 120
Back Door Close (Cancel) Switch System Inspec-
tion ........................................................................ 121
Pinch Strip System Inspection .............................. 122
Back Door Warning Chime System Inspection ..... 123
Half-Latch Switch System Inspection .................... 124
Open Switch System Inspection ........................... 125
Close Switch System Inspection ........................... 126
Back Door Handle Switch System Inspection ....... 127
Cinch Latch Motor System Inspection .................. 128
DOOR ...................................................................... 129
Fitting Adjustment ................................................. 129
FRONT DOOR ................................................... 129
REAR DOOR ..................................................... 129
STRIKER ADJUSTMENT .................................. 129
Removal and Installation ....................................... 130
FRONT DOOR ................................................... 130
REAR DOOR ..................................................... 130
BACK DOOR ..................................................... 131
FRONT DOOR LOCK .............................................. 132
Component Structure ............................................ 132
Removal and Installation ....................................... 132
REMOVAL .......................................................... 132
INSTALLATION .................................................. 134
Disassembly and Assembly .................................. 134
DOOR KEY CYLINDER ASSEMBLY ................. 134
REAR DOOR LOCK ................................................ 135
Component Structure ............................................ 135
Removal and Installation ....................................... 135
REMOVAL .......................................................... 135
INSTALLATION .................................................. 135
BACK DOOR LOCK ................................................ 136
Power Back Door Opener ..................................... 136
REMOVAL ......................................................... 136
INSTALLATION ................................................. 136
Door Lock Assembly ............................................. 137
REMOVAL ......................................................... 137
INSTALLATION ................................................. 137
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-
NATS) ...................................................................... 138
Component Parts and Harness Connector Location . 138
System Description ............................................... 139
System Composition ............................................. 139
ECM Re-communicating Function ........................ 140
Wiring Diagram — NATS — .................................. 141

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INFINITI QX56 2004 Factory Service Manual BL-3
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Revision: August 20072004 QX56 Terminals and Reference Value for BCM ............. 142
CONSULT-II ......................................................... 142
CONSULT-

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Revision: August 20072004 QX56 Terminals and Reference Value for BCM ............. 142
CONSULT-II ......................................................... 142
CONSULT-II INSPECTION PROCEDURE ....... 142
CONSULT-II DIAGNOSTIC TEST MODE FUNC-
TION .................................................................. 143
HOW TO READ SELF-DIAGNOSTIC RESULTS . 144
IVIS (NATS) SELF-DIAGNOSTIC RESULTS
ITEM CHART .................................................... 144
Work Flow ............................................................ 145
Trouble Diagnoses ............................................... 146
SYMPTOM MATRIX CHART 1 ......................... 146
SYMPTOM MATRIX CHART 2 ......................... 147
DIAGNOSTIC SYSTEM DIAGRAM .................. 147
Diagnostic Procedure 1 ........................................ 148
Diagnostic Procedure 2 ........................................ 149
Diagnostic Procedure 3 ........................................ 150
Diagnostic Procedure 4 ........................................ 151
Diagnostic Procedure 5 ........................................ 152
Diagnostic Procedure 6 ........................................ 155
How to Replace NATS Antenna Amp. .................. 156
HOMELINK UNIVERSAL TRANSCEIVER ............. 157
Wiring Diagram — TRNSCV — ........................... 157
Trouble Diagnoses ............................................... 158
DIAGNOSTIC PROCEDURE ............................ 158
CAB AND REAR BODY ......................................... 159
Body Mounting ..................................................... 159
BODY REPAIR ........................................................ 160
Body Exterior Paint Color ..................................... 160
Body Component Parts ........................................ 161
UNDERBODY COMPONENT PARTS .............. 161
BODY COMPONENT PARTS ........................... 163
FRAME COMPONENT PARTS ......................... 165
Corrosion Protection ............................................ 167
DESCRIPTION .................................................. 167ANTI-CORROSIVE WAX ..................................168
UNDERCOATING ..............................................169
Body Sealing ........................................................170
DESCRIPTION ..................................................170
Body Construction ................................................173
BODY CONSTRUCTION ..................................173
Body Alignment ....................................................174
BODY CENTER MARKS ...................................174
PANEL PARTS MATCHING MARKS .................175
DESCRIPTION ..................................................176
ENGINE COMPARTMENT ................................177
UNDERBODY ...................................................179
PASSENGER COMPARTMENT .......................182
REAR BODY .....................................................187
Handling Precautions for Plastics .........................189
HANDLING PRECAUTIONS FOR PLASTICS ..189
LOCATION OF PLASTIC PARTS ......................190
Precautions in Repairing High Strength Steel .......192
HIGH STRENGTH STEEL (HSS) USED IN NIS-
SAN VEHICLES ................................................192
Foam Repair .........................................................194
URETHANE FOAM APPLICATIONS ................194
FILL PROCEDURES .........................................194
Replacement Operations ......................................195
DESCRIPTION ..................................................195
HOODLEDGE ...................................................198
FRONT PILLAR .................................................199
CENTER PILLAR ..............................................202
OUTER SILL .....................................................204
REAR FENDER .................................................205
REAR SIDE MEMBER ......................................207
REAR FLOOR REAR ........................................208
CRUSH HORN ..................................................209

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