Infiniti Q45. Manual — part 183

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BODY, LOCK & SECURITY SYSTEM

I BODY

CONTENTS

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SECTION

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BODY, LOCK & SECURITY SYSTEM

PRECAUTIONS . . . . . . . . . . . . . . .. 5

Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” . . . . . . . . . . . . . . . . .. 5
Precautions for Work . . . . . . . . . . . . 5

PREPARATION . . . . . . . . . . . . . . ... 6

Special Service Tools . . . . . . . . . . . ... 6
Commercial Service Tools . . . . . . . . . . 6

SQUEAK AND RATTLE TROUBLE DIAGNOSES . . 7

Work Flow . . . . . . . . . . . . . . . . 7

CUSTOMER INTERVIEW . . . . . . . . . . 7
DUPLICATE THE NOISE AND TEST DRIVE . ... 8
CHECK RELATED SERVICE BULLETINS . . ... 8
LOCATE THE NOISE AND IDENTIFY THE
ROOT CAUSE . . . . . . . . . . . . . .. 8
REPAIR THE CAUSE . . . . . . . . . . ... 8
CONFIRM THE REPAIR . . . . . . . . . ... 9

Generic Squeak and Rattle Troubleshooting . . ... 9

INSTRUMENT PANEL . . . . . . . . . . .. 9
CENTER CONSOLE . . . . . . . . . . . . 9
DOORS . . . . . . . . . . . . . . . . . 9
TRUNK . . . . . . . . . . . . . . . . 10
SUNROOF/HEADLINING . . . . . . . . ... 10
SEATS . . . . . . . . . . . . . . . . . 10
UNDERHOOD . . . . . . . . . . . . . . 10

Diagnostic Worksheet . . . . . . . . . . . .11

HOOD . . . . . . . . . . . . . . . . . ... 13

Fitting Adjustment . . . . . . . . . . . . .. 13

LONGITUDINAL AND LATERAL CLEARANCE
ADJUSTMENT . . . . . . . . . . . . . 13
FRONT END HEIGHT ADJUSTMENT . . . ... 14
SURFACE HEIGHT ADJUSTMENT . . . . ... 14

Removal and Installation of Hood Assembly . . .. 15

REMOVAL . . . . . . . . . . . . . . ... 16
INSTALLETION . . . . . . . . . . . . ... 16

Removal and Installation of Hood Lock Control . . 17

REMOVAL . . . . . . . . . . . . . . ... 17
INSTALLATION . . . . . . . . . . . . ... 17

Hood Lock Control Inspection . . . . . . . . 18

POWER DOOR LOCK SYSTEM . . . . . . . .. 19

Component Parts and Harness Connector Location

... 19

System Description . . . . . . . . . . . . . 20

POWER SUPPLY AND GROUND . . . . . .. 20
OPERATION . . . . . . . . . . . . . . 20

Schematic . . . . . . . . . . . . . . . ... 22
Wiring Diagram — D/LOCK — . . . . . . . ... 23
Terminals and Reference Value for BCM . . . ... 31
Terminals and Reference Value for Driver Door Con-
trol Unit (LCU01) . . . . . . . . . . . . . . 31
Terminals and Reference Value for Passenger and
Rear LH, RH Door Control Units . . . . . . . 32
Work Flow . . . . . . . . . . . . . . . ... 32
Preliminary Check . . . . . . . . . . . . .. 33

POWER SUPPLY AND GROUND CIRCUIT
INSPECTION . . . . . . . . . . . . . .. 33

CONSULT-II Function . . . . . . . . . . . . 34

DIAGNOSTIC ITEMS DESCRIPTION . . . . . 34
CONSULT-II BASIC OPERATION PROCEDURE

... 35

IVMS COMMUNICATION INSPECTION . . . . 36
SELF-DIAGNOSIS RESULTS . . . . . . . . 38
DATA MONITOR . . . . . . . . . . . . . 38
ACTIVE TEST . . . . . . . . . . . . . . 38

On Board Diagnosis . . . . . . . . . . . ... 39

DIAGNOSIS ITEM . . . . . . . . . . . ... 39
COMMUNICATION DIAGNOSIS . . . . . . . 39
COMMUNICATION SYSTEM A . . . . . . .. 41
COMMUNICATION SYSTEM B . . . . . . .. 41
COMMUNICATION SYSTEM C . . . . . . .. 41
SWITCH MONITOR . . . . . . . . . . . 42
POWER DOOR LOCK SYSTEM SELF-DIAG-
NOSIS . . . . . . . . . . . . . . . . . 43

Symptom Chart . . . . . . . . . . . . . ... 44
Check Communication Line . . . . . . . . . 44
Check Door Lock and Unlock Switch . . . . . . 45
Check Door Lock Actuator (Driver Side) . . . . 46
Check Door Lock Actuator (Passenger, Rear LH,
RH) . . . . . . . . . . . . . . . . . . . 46
Check Front Door Key Cylinder Switch . . . . .. 47
Check Key Switch . . . . . . . . . . . . ... 48

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Check Front Door Switch . . . . . . . . . . 49
Check Door Unlock Sensor . . . . . . . . . 51

REMOTE KEYLESS ENTRY SYSTEM . . . . . . 53

Component Parts and Harness Connector Location ... 53
Component Parts and Harness Connector Location ... 54
System Description . . . . . . . . . . . . . 54

POWER SUPPLY AND GROUND . . . . . ... 54
OPERATING PROCEDURE . . . . . . . . 55
POWER DOOR LOCK OPERATION . . . . ... 55
HAZARD AND HORN REMINDER . . . . . . 55
OPERATING FUNCTION OF HAZARD AND
HORN REMINDER . . . . . . . . . . . .. 55
TRUNK LID OPENER OPERATION . . . . . 56
PANIC ALARM OPERATION . . . . . . . ... 56
KEYLESS POWER WINDOW DOWN (OPEN)
OPERATION . . . . . . . . . . . . . . 56
AUTO DOOR LOCK OPERATION . . . . . .. 56
INTERIOR LAMP AND STEP LAMP OPERA-
TION . . . . . . . . . . . . . . . . . 56

Schematic . . . . . . . . . . . . . . . ... 57
Wiring Diagram — KEYLES — . . . . . . . ... 58
Terminal and Reference Value for BCM . . . . . 68
Terminal and Reference Value for Driver Door Con-
trol Unit (LCU01) . . . . . . . . . . . . . . 69
Terminal and Reference Value for Passenger And
Rear LH, RH Door Control Unit . . . . . . . .. 70
Work Flow . . . . . . . . . . . . . . . ... 70
Preliminary Check . . . . . . . . . . . . .. 71

POWER SUPPLY AND GROUND CIRCUIT
INSPECTION . . . . . . . . . . . . . ... 71
SYSTEM INSPECTION . . . . . . . . . ... 73

CONSULT–II Function . . . . . . . . . . . 74

DIAGNOSTIC ITEMS DESCRIPTION . . . . . 74
CONSULT-II BASIC OPERATION PROCEDURE

... 75

IVMS COMMUNICATION INSPECTION . . . . 75
DATA MONITOR . . . . . . . . . . . . .. 77
ACTIVE TEST . . . . . . . . . . . . . . 78
WORK SUPPORT . . . . . . . . . . . ... 78

On Board Diagnosis . . . . . . . . . . . ... 79

DIAGNOSIS ITEM . . . . . . . . . . . ... 79
COMMUNICATION DIAGNOSIS . . . . . . . 79
COMMUNICATION SYSTEM A . . . . . . ... 81
COMMUNICATION SYSTEM B . . . . . . ... 81
COMMUNICATION SYSTEM C . . . . . . .. 81
SWITCH MONITOR . . . . . . . . . . . 82

Trouble Diagnosis Chart by Symptom . . . . . 83
Check Electronic Key . . . . . . . . . . . . 84
Check ACC Power . . . . . . . . . . . . .. 85
Check Key Switch . . . . . . . . . . . . ... 86
Check Door Switch . . . . . . . . . . . . . 87

CHECK FRONT DOOR SWITCH . . . . . . 87
CHECK REAR DOOR SWITCH . . . . . . .. 89

Check Trunk Lid Opener Cancel Switch . . . . . 90
Check Trunk Lid Opener Actuator . . . . . . .. 91
Check Trunk Open Signal . . . . . . . . . ... 92
Check Horn Circuit . . . . . . . . . . . . . 93
Check Hazard Reminder Operation . . . . . ... 95
Check Remote Keyless Entry Receiver . . . . .. 96

Check Door Lock and Unlock Switch . . . . . ..98
Check Hazard Function . . . . . . . . . . ..98
Check Horn Function . . . . . . . . . . . ..98
Check Headlamp Function . . . . . . . . . ..98
Check Map Lamp Function . . . . . . . . . .99
Electronic Key Battery Replacement . . . . . ..99

CHECK ELECTRONIC KEY BATTERY . . . .100

ID Code Entry Procedure . . . . . . . . . ..101

PROCEDURE 1 (WITHOUT CONSULT-II) . . 101
PROCEDURE 2 (WITH CONSULT-II) . . . ...102

Removal and Installation of Remote Keyless Entry
Receiver . . . . . . . . . . . . . . . . 103

REMOVE . . . . . . . . . . . . . . ...103
INSTALLATION . . . . . . . . . . . . ..103

DOOR . . . . . . . . . . . . . . . . . ..104

Fitting Adjustment . . . . . . . . . . . . .104

FRONT DOOR . . . . . . . . . . . . ...104
REAR DOOR . . . . . . . . . . . . . .104
STRIKER ADJUSTMENT . . . . . . . . ..104

Removal and Installation of Front Door . . . . 105

REMOVAL . . . . . . . . . . . . . . ..105
INSTALLATION . . . . . . . . . . . . ..106

Removal and Installation of Rear Door . . . . .106

REMOVAL . . . . . . . . . . . . . . ..106
INSTALLATION . . . . . . . . . . . . ..107

Door Weatherstrip . . . . . . . . . . . . .107

REMOVAL . . . . . . . . . . . . . . ..107
INSTALLATION . . . . . . . . . . . . ..107

FRONT DOOR LOCK . . . . . . . . . . . ..108

Component Structure . . . . . . . . . . . 108
Inspection and Adjustment . . . . . . . . . 108

EXTERIOR HANDLE ROD ADJUSTMENT . ...108

Removal and Installation . . . . . . . . . ...108

REMOVAL . . . . . . . . . . . . . . ..108
INSTALLATION . . . . . . . . . . . . ..109

Disassembly and Assembly . . . . . . . . .. 110

DISASSEMBLY . . . . . . . . . . . . .. 110
ASSEMBLY . . . . . . . . . . . . . . 110

REAR DOOR LOCK . . . . . . . . . . . . 111

Components . . . . . . . . . . . . . . .. 111
Inspection and Adjustment . . . . . . . . . 111

EXTERIOR HANDLE ROD ADJUSTMENT . ... 111

Removal and Installation of Door Lock . . . . . 111

REMOVAL . . . . . . . . . . . . . . .. 111
INSTALLATION . . . . . . . . . . . . .. 112

Disassembly and Assembly . . . . . . . . .. 112

DISASSEMBLY . . . . . . . . . . . . .. 112
ASSEMBLY . . . . . . . . . . . . . . 113

TRUNK LID . . . . . . . . . . . . . . . .. 114

Fitting Adjustment . . . . . . . . . . . . . 114

LONGITUDINAL AND LATERAL CLEARANCE
ADJUSTMENT . . . . . . . . . . . . ... 114
SURFACE HEIGHT ADJUSTMENT . . . . .. 114

Removal and Installation of Trunk Lid Assembly .. 115

REMOVAL . . . . . . . . . . . . . . .. 115
INSTALLATION . . . . . . . . . . . . .. 115

Removal and Installation of Trunk Lid Stay . . ... 115

REMOVAL . . . . . . . . . . . . . . .. 115
INSTALLATION . . . . . . . . . . . . .. 116

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Removal and Installation of Trunk Lid Lock . . ..116

REMOVAL . . . . . . . . . . . . . . ..116
INSTALLTION . . . . . . . . . . . . . 117

Removal and Installation of Trunk lid Emergency
Opener Cable . . . . . . . . . . . . . . 118

REMOVAL . . . . . . . . . . . . . . ..118
INSTALLATION . . . . . . . . . . . . ..118

Removal and Installation of Trunk Closure Control
Unit . . . . . . . . . . . . . . . . . . 119

REMOVAL . . . . . . . . . . . . . . ..119
INSTALLATION . . . . . . . . . . . . ..119

Removal and Installation of Dynamic Damper . ..119

REMOVAL . . . . . . . . . . . . . . ..119
INSTALLATION . . . . . . . . . . . . ..119

Removal and Installation of Trunk Lid Weatherstrip

. 121

REMOVAL . . . . . . . . . . . . . . . 121
INSTALLATION . . . . . . . . . . . . . 121

TRUNK LID AND FUEL FILLER LID OPENER . . 122

Component Part and Harness Connector Location

. 122

Wiring Diagram — T&FLID — . . . . . . . .. 123
Terminals and Reference Value for BCM . . . . 125

TRUNK CLOSURE SYSTEM . . . . . . . . . 126

System Description . . . . . . . . . . . .. 126
Operation Description . . . . . . . . . . .. 126
Removal and Installation of Auto Closure Unit . . 126

REMOVAL . . . . . . . . . . . . . . . 126
INSTALLATION . . . . . . . . . . . . . 126

Component Installation Location . . . . . . .. 127
Wiring Diagram — T/CLOS — . . . . . . . . 128
Terminal and Reference Value for Trunk Closure
Control Unit . . . . . . . . . . . . . . .. 129
Preliminary Check . . . . . . . . . . . . 129
Symptom Chart . . . . . . . . . . . . . 129
Closure Control Unit Power Supply and Ground Cir-
cuit Check . . . . . . . . . . . . . . . 129
Trunk Lid Lock Switch Check . . . . . . . ... 130
Trunk Lid Striker Switch Check . . . . . . . 131

AUTO TRUNK SYSTEM . . . . . . . . . . . 133

Outline of System . . . . . . . . . . . . . 133

OPERATING CONDITION . . . . . . . . 133

Removal and Installation . . . . . . . . . .. 133

PRECAUTIONS FOR WORK . . . . . . ... 133
REMOVAL . . . . . . . . . . . . . . . 134
INSTALLATION . . . . . . . . . . . . . 134

Component Installation Location . . . . . . .. 135
Schematic . . . . . . . . . . . . . . . 136
Wiring Diagram — A/TRNK — . . . . . . . . 137
Terminals and Reference Value for Auto Trunk Con-
trol Unit . . . . . . . . . . . . . . . . . 141
Preliminary Check . . . . . . . . . . . . 141
Symptom Chart . . . . . . . . . . . . . 142
Auto Trunk Control Unit Power Supply and Ground
Circuit Check . . . . . . . . . . . . . . 142
A/T Device (Detention Switch) Check . . . . .. 143
Trunk Motor Check . . . . . . . . . . . ... 145
Clutch Solenoid Check . . . . . . . . . . . 145
Trunk Lid Close Switch Check . . . . . . . . 146
Weather Strip Detection Switch System Check ... 148
Lid Full Up Position Switch Check . . . . . ... 149

Trunk Lid Opener Switch Check . . . . . . ... 150
Trunk Open Signal Check . . . . . . . . . 152
Encoder Circuit Check . . . . . . . . . . .. 153

VEHICLE SECURITY (THEFT WARNING) SYSTEM .155

Component Parts Harness Connector Location ... 155
System Description . . . . . . . . . . . ... 156

DESCRIPTION . . . . . . . . . . . . .. 156
POWER SUPPLY . . . . . . . . . . . .. 156
INITIAL CONDITION TO ACTIVATE THE SYS-
TEM . . . . . . . . . . . . . . . . ... 156
VEHICLE SECURITY SYSTEM ACTIVATION
(WITH KEY OR ELECTRONIC KEY USED TO
LOCK DOORS) . . . . . . . . . . . . . 157
VEHICLE SECURITY SYSTEM ALARM OPER-
ATION . . . . . . . . . . . . . . . . 157
VEHICLE SECURITY SYSTEM DEACTIVATION

. 157

PANIC ALARM OPERATION . . . . . . . 158

Schematic . . . . . . . . . . . . . . . . 159
Wiring Diagram — VEHSEC — . . . . . . . 160
Terminal and Reference Value for BCM . . . ... 167
Terminal and Reference Value for Driver Door Con-
trol Unit (LCU01) . . . . . . . . . . . . ... 168
Terminal and Reference Value Passenger And Rear
LH, RH Door Control Unit . . . . . . . . . . 168
CONSULT-II Function . . . . . . . . . . ... 169

CONSULT-II INSPECTION PROCEDURE . . 169

Trouble Diagnoses . . . . . . . . . . . ... 170

WORK FLOW . . . . . . . . . . . . . 170

Preliminary Check . . . . . . . . . . . . 171
Symptom Chart . . . . . . . . . . . . . . 172
Diagnostic Procedure 1 . . . . . . . . . . 173

1 – 1 CHECK FRONT DOOR SWITCH . . . . 173
1 – 2 CHECK REAR DOOR SWITCH . . . ... 174
1 – 3 CHECK HOOD SWITCH . . . . . . .. 176
1 – 4 CHECK TRUNK LID LOCK SWITCH . ... 177

Diagnostic Procedure 2 . . . . . . . . . . 178

CHECK SECURITY INDICATOR LAMP . . ... 178

Diagnostic Procedure 3 . . . . . . . . . . 179

CHECK DOOR UNLOCK SENSOR . . . . .. 179

Diagnostic Procedure 4 . . . . . . . . . . 181

4–1 CHECK DOOR KEY CYLINDER LOCK
SWITCH . . . . . . . . . . . . . . . 181
4–2 CHECK DOOR KEY CYLINDER UNLOCK
SWITCH . . . . . . . . . . . . . . . 183

Diagnostic Procedure 5 . . . . . . . . . . 184

CHECK TRUNK LID KEY UNLOCK SIGNAL . 184

Diagnostic Procedure 6 . . . . . . . . . . 185

CHECK THEFT WARNING HORN ALARM . .. 185

Diagnostic Procedure 7 . . . . . . . . . . 187

CHECK THEFT WARNING HEADLAMP ALARM .187

Diagnostic Procedure 8 . . . . . . . . . . 188

CHECK ACC POWER SUPPLY . . . . . . 188

ELECTRONIC KEY SYSTEM . . . . . . . . . 189

Component Parts and Connector Location . . .. 189
System Description . . . . . . . . . . . ... 189

SECURITY INDICATOR . . . . . . . . . 190
OUTLINE OF ELECTRONIC KEY OPERATION .190

Wiring Diagram – NATS – . . . . . . . . . 191
Terminals and Reference Value for Steering Lock

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Control Unit . . . . . . . . . . . . . . ... 193
Terminals and Reference Value for NATS IMMU .. 193
Work Flow . . . . . . . . . . . . . . . . 194
Diagnostic System Diagram . . . . . . . . . 195
Symptom Chart . . . . . . . . . . . . . . 195

SYMPTOM 1: ELECTRONIC KEY DOES NOT
TURN . . . . . . . . . . . . . . . . . 195
SYMPTOM 2: SECURITY INDICATOR DOES
NOT FLASH . . . . . . . . . . . . . .. 195

Diagnostic Procedure 1 . . . . . . . . . . 196
Diagnostic Procedure 2 . . . . . . . . . . 197
Diagnostic Procedure 3 . . . . . . . . . . 198

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-
NATS) . . . . . . . . . . . . . . . . . .. 200

Component Parts and Harness Connector Location .200
System Description . . . . . . . . . . . ... 200
System Composition . . . . . . . . . . . . 201

OUTLINE OF IVIS (NATS) FUNCTION . . . . 201

ECM Re-Communicating Function . . . . . ... 202
Wiring Diagram – NATS – . . . . . . . . . . 203
Terminals and Reference Value for Steering Lock
Control Unit . . . . . . . . . . . . . . ... 205
Terminals and Reference Value for NATS IMMU .. 205
CONSULT-II . . . . . . . . . . . . . . .. 206

CONSULT-II INSPECTION PROCEDURE . . 206
CONSULT-II DIAGNOSTIC TEST MODE FUNC-
TION . . . . . . . . . . . . . . . . .. 206
HOW TO READ SELF-DIAGNOSTIC RESULTS .207
NATS SELF-DIAGNOSTIC RESULT ITEM
CHART . . . . . . . . . . . . . . . .. 207

Work Flow . . . . . . . . . . . . . . . . 208
Symptom Chart 1 . . . . . . . . . . . . .. 209
Symptom Chart 2 . . . . . . . . . . . . .. 210
Diagnostic System Diagram . . . . . . . . . 210
Diagnostic Procedure 1 . . . . . . . . . . 210
Diagnostic Procedure 2 . . . . . . . . . . 211
Diagnostic Procedure 3 . . . . . . . . . . 213
Diagnostic Procedure 4 . . . . . . . . . . 213
Diagnostic Procedure 5 . . . . . . . . . . 214
Diagnostic Procedure 6 . . . . . . . . . . 215
Removal and Installation NATS Antenna Amp. . 218

REMOVAL . . . . . . . . . . . . . . . 218
INSTALLATION . . . . . . . . . . . . .. 218

HOMELINK UNIVERSAL TRANSCEIVER . . . . 219

Wiring Diagram – TRNSCV – . . . . . . . ... 219
Trouble Diagnoses . . . . . . . . . . . . 220

DIAGNOSTIC PROCEDURE . . . . . . . 220

BODY REPAIR . . . . . . . . . . . . . . 222

Body Exterior Paint Color . . . . . . . . . ..222
Body Component Parts . . . . . . . . . . .223

UNDERBODY COMPONENT PARTS . . . ...223
BODY COMPONENT PARTS . . . . . . . 225

Corrosion Protection . . . . . . . . . . . .227

DESCRIPTION . . . . . . . . . . . . ..227
ANTI-CORROSIVE WAX . . . . . . . . ...228
UNDERCOATING . . . . . . . . . . . ..229

Body Sealing . . . . . . . . . . . . . . .230

DESCRIPTION . . . . . . . . . . . . ..230

Body Construction . . . . . . . . . . . . .233

BODY CONSTRUCTION . . . . . . . . ...233

Body Alignment . . . . . . . . . . . . . .234

BODY CENTER MARKS . . . . . . . . ...234
PANEL PARTS MATCHING MARKS . . . . .235
DESCRIPTION . . . . . . . . . . . . ..236
ENGINE COMPARTMENT . . . . . . . . 237
UNDERBODY . . . . . . . . . . . . . 239
PASSENGER COMPARTMENT . . . . . . 241
REAR BODY . . . . . . . . . . . . . ..243

Handling Precautions for Plastics . . . . . . .245

HANDLING PRECAUTIONS FOR PLASTICS ..245
LOCATION OF PLASTIC PARTS . . . . . ..246

Precautions in Repairing High Strength Steel . ...248

HIGH STRENGTH STEEL (HSS) USED IN NIS-
SAN VEHICLES . . . . . . . . . . . . .248

Replacement Operations . . . . . . . . . ..251

DESCRIPTION . . . . . . . . . . . . ..251
RADIATOR CORE SUPPORT . . . . . . ...254
RADIATOR CORE SUPPORT (PARTIAL
REPLACEMENT) . . . . . . . . . . . ...255
HOODLEDGE . . . . . . . . . . . . . 256
HOODLEDGE (PARTIAL REPLACEMENT) . ..257
FRONT SIDE MEMBER . . . . . . . . . 258
FRONT SIDE MEMBER (PARTIAL REPLACE-
MENT) . . . . . . . . . . . . . . . . 259
FRONT PILLAR . . . . . . . . . . . . .260
CENTER PILLAR . . . . . . . . . . . ...262
OUTER SILL . . . . . . . . . . . . . ..263
REAR FENDER . . . . . . . . . . . . .264
REAR PANEL . . . . . . . . . . . . . 265
REAR FLOOR REAR . . . . . . . . . . .266
REAR SIDE MEMBER EXTENSION . . . . .267