2005 INFINITI QX4 diagram
[x] Cancel search: diagramPage 769 of 3419
BL-2Revision: October 20052005 QX56 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 ....... 77
INITIAL CONDITION TO ACTIVATE THE SYS-
TEM ..................................................................... 77
VEHICLE SECURITY SYSTEM ALARM OPER-
ATION .................................................................. 77
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 .......... 86
CONSULT-II APPLICATION ITEM ....................... 88
Trouble Diagnosis ................................................... 89
WORK FLOW ...................................................... 89
Preliminary Check .................................................. 90
Symptom Chart ....................................................... 91
Door Switch Check ................................................. 92
Hood Switch Check ................................................ 94
Combination Meter (Security Indicator Lamp)
Check ..................................................................... 95
Front Door Lock Assembly LH (Key Cylinder Switch)
Check ..................................................................... 96
Vehicle Security Horn Alarm Check ........................ 98
Vehicle Security Headlamp Alarm Check ............... 98
Door Lock/Unlock Switch Check ............................ 98
AUTOMATIC BACK DOOR SYSTEM ....................... 99
Component Parts and Harness Connector Location ... 99
System Description ...............................................100
OPERATION DESCRIPTION ............................100
Schematic .............................................................105Wiring Diagram — B/CLOS — .............................. 106
Terminals and Reference Value for Back Door Con-
trol Unit .................................................................. 111
Terminals and Reference Value for BCM ..............112
Trouble Diagnosis Procedure ................................113
Self-Diagnosis Procedures ...................................113
INPUT SIGNAL CHECK MODE .........................113
OPERATING CHECK MODE .............................113
Diagnosis Chart ....................................................114
Back Door Power Supply and Ground Circuit
Inspection ..............................................................115
Power Liftgate Switch System Inspection .............116
GLASS HATCH AJAR SWITCH CHECK ...........117
Back Door Close (Close) Switch System Inspection .118
Back Door Close (Cancel) Switch System Inspec-
tion ........................................................................119
Pinch Strip System Inspection .............................. 121
Back Door Warning Chime System Inspection ..... 122
Half-Latch Switch System Inspection .................... 122
Open Switch System Inspection ........................... 123
Close Switch System Inspection ........................... 124
Back Door Handle Switch System Inspection ....... 125
Cinch Latch Motor System Inspection .................. 126
DOOR ...................................................................... 128
Fitting Adjustment ................................................. 128
FRONT DOOR ................................................... 128
REAR DOOR ..................................................... 128
STRIKER ADJUSTMENT .................................. 128
Removal and Installation ....................................... 129
FRONT DOOR ................................................... 129
REAR DOOR ..................................................... 129
BACK DOOR ..................................................... 130
FRONT DOOR LOCK .............................................. 131
Component Structure ............................................ 131
Removal and Installation ....................................... 131
REMOVAL .......................................................... 131
INSTALLATION .................................................. 133
Disassembly and Assembly .................................. 133
DOOR KEY CYLINDER ASSEMBLY ................. 133
REAR DOOR LOCK ................................................ 134
Component Structure ............................................ 134
Removal and Installation ....................................... 134
REMOVAL .......................................................... 134
INSTALLATION .................................................. 134
BACK DOOR LOCK ................................................ 135
Power Back Door Opener ..................................... 135
REMOVAL ......................................................... 135
INSTALLATION ................................................. 135
Door Lock Assembly ............................................. 136
REMOVAL ......................................................... 136
INSTALLATION ................................................. 136
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-
NATS) ...................................................................... 137
Component Parts and Harness Connector Location . 137
System Description ............................................... 138
System Composition ............................................. 138
ECM Re-communicating Function ........................ 139
Wiring Diagram — NATS — .................................. 140
Terminals and Reference Value for BCM .............. 141
Page 770 of 3419
BL-3
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: October 20052005 QX56 CONSULT-II ......................................................... 141
CONSULT-II INSPECTION PROCEDURE ....... 141
CONSULT-II DIAGNOSTIC TEST MODE FUNC-
TION .................................................................. 142
HOW TO READ SELF-DIAGNOSTIC RESULTS . 143
IVIS (NATS) SELF-DIAGNOSTIC RESULTS
ITEM CHART .................................................... 143
Work Flow ............................................................ 144
Trouble Diagnoses ............................................... 145
SYMPTOM MATRIX CHART 1 ......................... 145
SYMPTOM MATRIX CHART 2 ......................... 146
DIAGNOSTIC SYSTEM DIAGRAM .................. 146
Diagnostic Procedure 1 ........................................ 147
Diagnostic Procedure 2 ........................................ 148
Diagnostic Procedure 3 ........................................ 149
Diagnostic Procedure 4 ........................................ 150
Diagnostic Procedure 5 ........................................ 151
Diagnostic Procedure 6 ........................................ 154
How to Replace NATS Antenna Amp. .................. 155
HOMELINK UNIVERSAL TRANSCEIVER ............. 156
Wiring Diagram — TRNSCV — ........................... 156
Trouble Diagnoses ............................................... 157
DIAGNOSTIC PROCEDURE ............................ 157
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
Corrosion Protection ............................................ 165
DESCRIPTION .................................................. 165
ANTI-CORROSIVE WAX .................................. 166UNDERCOATING ..............................................167
Body Sealing ........................................................168
DESCRIPTION ..................................................168
Body Construction ................................................171
BODY CONSTRUCTION ..................................171
Body Alignment ....................................................172
BODY CENTER MARKS ...................................172
PANEL PARTS MATCHING MARKS .................173
DESCRIPTION ..................................................174
ENGINE COMPARTMENT ................................175
UNDERBODY ...................................................177
PASSENGER COMPARTMENT .......................180
REAR BODY .....................................................185
Handling Precautions for Plastics .........................187
HANDLING PRECAUTIONS FOR PLASTICS ..187
LOCATION OF PLASTIC PARTS ......................188
Precautions in Repairing High Strength Steel .......190
HIGH STRENGTH STEEL (HSS) USED IN NIS-
SAN VEHICLES ................................................190
Foam Repair .........................................................192
URETHANE FOAM APPLICATIONS ................192
FILL PROCEDURES .........................................192
Replacement Operations ......................................193
DESCRIPTION ..................................................193
HOODLEDGE ...................................................196
FRONT PILLAR .................................................197
CENTER PILLAR ..............................................200
OUTER SILL .....................................................202
REAR FENDER .................................................203
REAR SIDE MEMBER ......................................205
REAR FLOOR REAR ........................................206
CRUSH HORN ..................................................207
Page 787 of 3419
BL-20
POWER DOOR LOCK SYSTEM
Revision: October 20052005 QX56
Wiring Diagram — D/LOCK —EIS008PH
WIWA0742E
Page 817 of 3419
BL-50
REMOTE KEYLESS ENTRY SYSTEM
Revision: October 20052005 QX56
Wiring Diagram — KEYLES —EIS008Q0
WIWA1308E
Page 847 of 3419
BL-80
VEHICLE SECURITY (THEFT WARNING) SYSTEM
Revision: October 20052005 QX56
Wiring Diagram — VEHSEC —EIS008QP
WIWA1227E
Page 873 of 3419
BL-106
AUTOMATIC BACK DOOR SYSTEM
Revision: October 20052005 QX56
Wiring Diagram — B/CLOS —EIS0 08 R6
WIWA1314E
Page 907 of 3419
BL-140
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
Revision: October 20052005 QX56
Wiring Diagram — NATS —EIS008S0
WIWA1318E
Page 912 of 3419
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-NATS)
BL-145
C
D
E
F
G
H
J
K
L
MA
B
BL
Revision: October 20052005 QX56
Trouble DiagnosesEIS008S4
SYMPTOM MATRIX CHART 1
Self-diagnosis related item
*: When IVIS (NATS) detects a malfunction, the security indicator lights up while ignition key is in the “ON” position.SymptomDisplayed “SELF-DIAG
RESULTS” on CON-
SULT-II screen.Diagnostic Procedure
(Reference page)System
(Malfunctioning part or
mode)Reference Part No. Of
Illustration On System
Diagram
Security indicator
lighting up*
Engine cannot be
startedCHAIN OF ECM-IMMU
[P1612]PROCEDURE 1
(BL-147
)In rare case, “CHAIN OF
ECM-IMMU” might be
stored during key regis-
tration procedure, even if
the system is not mal-
functioning.—
Open circuit in battery
voltage line of BCM cir-
cuitC1
Open circuit in ignition
line of BCM circuitC2
Open circuit in ground
line of BCM circuitC3
Open or short circuit
between BCM and ECM
communication lineC4
ECM B
BCM A
DIFFERENCE OF KEY
[P1615]PROCEDURE 2
(BL-148
)Unregistered key D
BCM A
CHAIN OF IMMU-KEY
[P1614]PROCEDURE 5
(BL-151
)Malfunction of key ID
chipE5
Communication line
between ANT/ AMP and
BCM:
Open circuit or short cir-
cuit of battery voltage
line or ground lineE1
E2
Open circuit in power
source line of ANT/ AMP
circuitE3
Open circuit in ground
line of ANT/ AMP circuitE4
NATS antenna amp. E6
BCM A
ID DISCORD, IMM-ECM
[P1611]PROCEDURE 3
(BL-149
)System initialization has
not yet been completed.F
ECM B
LOCK MODE
[P1610]PROCEDURE 4
(BL-150
)LOCK MODE D
Security indicator light-
ing up*DON'T ERASE
BEFORE CHECKING
ENG DIAGWORK FLOW
(BL-144
)Engine trouble data and
IVIS (NATS) trouble data
have been detected in
ECM—