Infiniti M45 (Y34). Manual — part 194

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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
Wiring Diagrams and Trouble Diagnosis . . . . .. 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 . . . ... 13
SURFACE HEIGHT ADJUSTMENT . . . . ... 13

Removal and Installation of Hood Assembly . . .. 14

REMOVAL . . . . . . . . . . . . . . ... 15
INSTALLATION . . . . . . . . . . . . ... 15

Removal and Installation of Hood Lock Control . . 15

REMOVAL . . . . . . . . . . . . . . ... 16
INSTALLATION . . . . . . . . . . . . ... 16

Hood Lock Control Inspection . . . . . . . . 17

POWER DOOR LOCK SYSTEM . . . . . . . .. 18

Component Parts and Harness Connector Location

... 18

Component Parts and Harness Connector Location

... 19

System Description . . . . . . . . . . . . . 19

POWER SUPPLY AND GROUND . . . . . .. 19
OPERATION . . . . . . . . . . . . . . 20

Schematic . . . . . . . . . . . . . . . ... 21
Wiring Diagram – D/LOCK – . . . . . . . . .. 22
Terminals and Reference Value for BCM . . . ... 29
Terminals and Reference Value for Driver Door Con-
trol Unit (LCU01) . . . . . . . . . . . . . . 29
Terminals and Reference Value for Passenger and
Rear LH, RH Door Control Units . . . . . . . 29
Work Flow . . . . . . . . . . . . . . . ... 30
Preliminary Check . . . . . . . . . . . . .. 31

POWER SUPPLY AND GROUND CIRCUIT
INSPECTION . . . . . . . . . . . . . .. 31

CONSULT-II Function . . . . . . . . . . . . 32

DIAGNOSTIC ITEMS DESCRIPTION . . . . . 32
CONSULT-II BASIC OPERATION PROCEDURE

... 33

IVMS COMMUNICATION INSPECTION . . . . 34
SELF-DIAGNOSIS RESULTS . . . . . . . . 36
DATA MONITOR . . . . . . . . . . . . . 36
ACTIVE TEST . . . . . . . . . . . . . . 36

On Board Diagnosis . . . . . . . . . . . ... 37

DIAGNOSIS ITEM . . . . . . . . . . . ... 37
COMMUNICATION DIAGNOSIS . . . . . . . 37
COMMUNICATION SYSTEM A . . . . . . .. 39
COMMUNICATION SYSTEM B . . . . . . .. 39
COMMUNICATION SYSTEM C . . . . . . .. 39
SWITCH MONITOR . . . . . . . . . . . 40
POWER DOOR LOCK SYSTEM SELF-DIAG-
NOSIS . . . . . . . . . . . . . . . . . 41

Symptom Chart . . . . . . . . . . . . . ... 42
Check Communication Line . . . . . . . . . 42
Check Door Lock & Unlock Switch . . . . . . . 43
Check Door Lock Actuator (Driver Side) . . . . 44
Check Door Lock Actuator (Passenger Side, Rear
LH, RH) . . . . . . . . . . . . . . . . ... 44

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Check Front Door Key Cylinder Switch . . . . .. 45
Check Key Switch . . . . . . . . . . . . ... 46
Check Front Door Switch . . . . . . . . . . 47
Check Door Unlock Sensor . . . . . . . . . 49

REMOTE KEYLESS ENTRY SYSTEM . . . . . . 51

Component Parts and Harness Connector Location ... 51
Component Parts and Harness Connector Location ... 52
System Description . . . . . . . . . . . . . 53

POWER SUPPLY AND GROUND . . . . . ... 53
OPERATING PROCEDURE . . . . . . . . 53
POWER DOOR LOCK OPERATION . . . . ... 53
HAZARD AND HORN REMINDER . . . . . . 53
OPERATING FUNCTION OF HAZARD AND
HORN REMINDER . . . . . . . . . . . .. 54
TRUNK LID OPENER OPERATION . . . . . 54
PANIC ALARM OPERATION . . . . . . . ... 54
KEYLESS POWER WINDOW DOWN (OPEN)
OPERATION . . . . . . . . . . . . . . 54
AUTO DOOR LOCK OPERATION . . . . . .. 55
MAP LAMP OPERATION . . . . . . . . . 55

Schematic . . . . . . . . . . . . . . . ... 56
Wiring Diagram – KEYLES – . . . . . . . . .. 57
Terminal and Reference Value for BCM . . . . . 66
Terminal and Reference Value for Driver Door Con-
trol Unit (LCU01) . . . . . . . . . . . . . . 67
Terminal and Reference Value for Passenger And
Rear LH, RH Door Control Unit . . . . . . . .. 67
Work Flow . . . . . . . . . . . . . . . ... 68
Preliminary Check . . . . . . . . . . . . .. 68

POWER SUPPLY AND GROUND CIRCUIT
INSPECTION . . . . . . . . . . . . . ... 68
SYSTEM INSPECTION . . . . . . . . . ... 71

CONSULT–II Function . . . . . . . . . . . 71

DIAGNOSTIC ITEMS DESCRIPTION . . . . . 71
CONSULT-II BASIC OPERATION PROCEDURE

... 72

IVMS COMMUNICATION INSPECTION . . . . 73
DATA MONITOR . . . . . . . . . . . . .. 75
ACTIVE TEST . . . . . . . . . . . . . . 75
WORK SUPPORT . . . . . . . . . . . ... 75

On Board Diagnosis . . . . . . . . . . . ... 76

DIAGNOSIS ITEM . . . . . . . . . . . ... 76
COMMUNICATION DIAGNOSIS . . . . . . . 76
COMMUNICATION SYSTEM A . . . . . . ... 78
COMMUNICATION SYSTEM B . . . . . . ... 78
COMMUNICATION SYSTEM C . . . . . . .. 78
SWITCH MONITOR . . . . . . . . . . . 79

Trouble Diagnosis Chart by Symptom . . . . . 80
Check Electronic Key . . . . . . . . . . . . 82
Check ACC Power . . . . . . . . . . . . .. 83
Check Key Switch . . . . . . . . . . . . ... 84
Check Door Switch . . . . . . . . . . . . . 85

CHECK FRONT DOOR SWITCH . . . . . . 85
CHECK REAR DOOR SWITCH . . . . . . .. 87

Check Trunk Lid Opener Cancel Switch . . . . . 88
Check Trunk Lid Opener Actuator . . . . . . .. 89
Check Trunk Open Signal . . . . . . . . . ... 90
Check Security Horn Operation . . . . . . . .. 91
Check Hazard Reminder Operation . . . . . ... 93

Check Remote Keyless Entry Receiver . . . . ..94
Check Door Lock and Unlock Switch . . . . . ..96
Check Hazard Function . . . . . . . . . . ..96
Check Headlamp Function . . . . . . . . . ..96
Check Power Window Function . . . . . . . ..96
Check Map Lamp Function . . . . . . . . . .97
Electronic Key Battery Replacement . . . . . ..97

CHECK ELECTRONIC KEY BATTERY . . . ...98

ID Code Entry Procedure . . . . . . . . . . 99

PROCEDURE 1 (WITHOUT CONSULT-II) . . ..99
PROCEDURE 2 (WITH CONSULT-II) . . . ...100

Removal and Installation of Remote Keyless Entry
Receiver . . . . . . . . . . . . . . . . 102

REMOVAL . . . . . . . . . . . . . . ..102
INSTALLATION . . . . . . . . . . . . ..102

DOOR . . . . . . . . . . . . . . . . . ..103

Fitting Adjustment . . . . . . . . . . . . .103

FRONT DOOR . . . . . . . . . . . . ...103
REAR DOOR . . . . . . . . . . . . . .103
STRIKER ADJUSTMENT . . . . . . . . ..103

Removal and Installation of Front Door . . . . 104

REMOVAL . . . . . . . . . . . . . . ..104
INSTALLATION . . . . . . . . . . . . ..105

Removal and Installation of Rear Door . . . . .105

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

Door Weatherstrip . . . . . . . . . . . . .106

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

FRONT DOOR LOCK . . . . . . . . . . . ..107

Component Structure . . . . . . . . . . . 107
Inspection and Adjustment . . . . . . . . . 107

BELL CRANK ADJUSTMENT . . . . . . ...107
EXTERIOR HANDLE ROD ADJUSTMENT . ...108

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

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

Disassembly and Assembly . . . . . . . . ..109

DISASSEMBLY . . . . . . . . . . . . ..109
ASSEMBLY . . . . . . . . . . . . . . 109

REAR DOOR LOCK . . . . . . . . . . . . 110

Components . . . . . . . . . . . . . . .. 110
Inspection and Adjustment . . . . . . . . . 110

EXTERIOR HANDLE ROD ADJUSTMENT . ... 110

Removal and Installation . . . . . . . . . ... 110

REMOVAL . . . . . . . . . . . . . . .. 110
INSTALLATION . . . . . . . . . . . . .. 111

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

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

TRUNK LID . . . . . . . . . . . . . . . .. 113

Fitting Adjustment . . . . . . . . . . . . . 113

LONGITUDINAL AND LATERAL CLEARANCE
ADJUSTMENT . . . . . . . . . . . . ... 113
SURFACE HEIGHT ADJUSTMENT . . . . .. 113

Removal and Installation of Trunk Lid Assembly .. 114

REMOVAL . . . . . . . . . . . . . . .. 114
INSTALLATION . . . . . . . . . . . . .. 114

Removal and Installation of Trunk Lid Stay . . ... 114

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REMOVAL . . . . . . . . . . . . . . ..114
INSTALLTION . . . . . . . . . . . . . 115

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

REMOVAL . . . . . . . . . . . . . . ..115
INSTALLTION . . . . . . . . . . . . . 115

Removal and Installation of Trunk Closure Control
Unit . . . . . . . . . . . . . . . . . . 116

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

Removal and Installation of Trunk Lid Weatherstrip

..116

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

TRUNK LID AND FUEL FILLER LID OPENER . ..117

Component Part and Harness Connector Location

..117

Wiring Diagram — T&FLID — . . . . . . . ...118
Terminals and Reference Value for BCM . . . . 120

TRUNK CLOSURE SYSTEM . . . . . . . . . 121

System Description . . . . . . . . . . . .. 121
Removal and Installation of Auto Closure Unit . . 121

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

Component Installation Location . . . . . . .. 121
Wiring Diagram — CLOS — . . . . . . . . 122
Terminals and Reference Value for Trunk Closure
Control Unit . . . . . . . . . . . . . . .. 123
Trouble Diagnosis System Chart . . . . . . .. 123
Check Trunk Closure Control Unit . . . . . . 123
Check Trunk Room Lamp Switch . . . . . . . 124
Check Trunk Closure Motor . . . . . . . . . 125

VEHICLE SECURITY (THEFT WARNING) SYSTEM

. 126

Component Parts Harness Connector Location ... 126
System Description . . . . . . . . . . . .. 127

DESCRIPTION . . . . . . . . . . . . .. 127
POWER SUPPLY . . . . . . . . . . . .. 127
INITIAL CONDITION TO ACTIVATE THE SYS-
TEM . . . . . . . . . . . . . . . . ... 127
VEHICLE SECURITY SYSTEM ACTIVATION
(WITH KEY OR ELECTRONIC KEY USED TO
LOCK DOORS) . . . . . . . . . . . . . 128
VEHICLE SECURITY SYSTEM ALARM OPER-
ATION . . . . . . . . . . . . . . . ... 128
VEHICLE SECURITY SYSTEM DEACTIVATION

. 129

PANIC ALARM OPERATION . . . . . . . 129

Schematic . . . . . . . . . . . . . . . 130
Wiring Diagram — VEHSEC — . . . . . . ... 131
Terminals and Reference Value for BCM . . . . 138
Terminals and Reference Value for Driver Door Con-
trol Unit (LCU01) . . . . . . . . . . . . .. 139
Terminals and Reference Value for Passenger and
Rear LH, RH Door Control Units . . . . . . .. 139
CONSULT-II Function . . . . . . . . . . .. 140

CONSULT-II INSPECTION PROCEDURE . ... 140

Trouble Diagnosis . . . . . . . . . . . . 141

WORK FLOW . . . . . . . . . . . . . 141

Preliminary Check . . . . . . . . . . . . 142
Symptom Chart . . . . . . . . . . . . . 143
Diagnostic Procedure 1 . . . . . . . . . . 144
Diagnostic Procedure 2 . . . . . . . . . . 146
Diagnostic Procedure 3 . . . . . . . . . . 147

Diagnostic Procedure 4 . . . . . . . . . . 150
Diagnostic Procedure 5 . . . . . . . . . . 153
Diagnostic Procedure 6 . . . . . . . . . . 154
Diagnostic Procedure 7 . . . . . . . . . . 156
Diagnostic Procedure 8 . . . . . . . . . . 157

ELECTRONIC KEY SYSTEM . . . . . . . . . 158

Component Parts and Connector Location . . .. 158
System Description . . . . . . . . . . . ... 158

SECURITY INDICATOR . . . . . . . . . 159
OUTLINE OF ELECTRONIC KEY OPERATION .159

Schematic . . . . . . . . . . . . . . . . 161
Wiring Diagram — NATS — . . . . . . . . . 162
Terminals and Reference Value for Steering Lock
Control Unit . . . . . . . . . . . . . . ... 165
Terminals and Reference Value for NATS IMMU . 165
Work Flow . . . . . . . . . . . . . . . . 166
Diagnostic System Diagram . . . . . . . . . 167
Symptom Chart . . . . . . . . . . . . . . 167

SYMPTOM 1: ELECTRONIC KEY DOES NOT
TURN . . . . . . . . . . . . . . . . 167
SYMPTOM 2: SECURITY INDICATOR DOES
NOT FLASH . . . . . . . . . . . . . .. 167

Diagnostic Procedure 1 . . . . . . . . . . 168
Diagnostic Procedure 2 . . . . . . . . . . 169
Diagnostic Procedure 3 . . . . . . . . . . 170

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-
NATS) . . . . . . . . . . . . . . . . . .. 172

Component Parts and Harness Connector Location

. 172

System Description . . . . . . . . . . . ... 172
System Composition . . . . . . . . . . . . 173

OUTLINE OF IVIS (NATS) FUNCTION . . . . 173

ECM Re-Communicating Function . . . . . ... 174
Schematic . . . . . . . . . . . . . . . . 175
Wiring Diagram – NATS – . . . . . . . . . 176
Terminals and Reference Value for Steering Lock
Control Unit . . . . . . . . . . . . . . ... 179
Terminals and Reference Value for NATS IMMU . 179
CONSULT-II . . . . . . . . . . . . . . .. 180

CONSULT-II INSPECTION PROCEDURE . . 180
CONSULT-II DIAGNOSTIC TEST MODE FUNC-
TION . . . . . . . . . . . . . . . . .. 180
HOW TO READ SELF-DIAGNOSTIC RESULTS .181
NATS SELF-DIAGNOSTIC RESULT ITEM
CHART . . . . . . . . . . . . . . . .. 181

Work Flow . . . . . . . . . . . . . . . . 182
Symptom Chart 1 . . . . . . . . . . . . .. 183
Symptom Chart 2 . . . . . . . . . . . . .. 184
Diagnostic System Diagram . . . . . . . . . 184
Diagnostic Procedure 1 . . . . . . . . . . 184
Diagnostic Procedure 2 . . . . . . . . . . 185
Diagnostic Procedure 3 . . . . . . . . . . 187
Diagnostic Procedure 4 . . . . . . . . . . 187
Diagnostic Procedure 5 . . . . . . . . . . 188
Diagnostic Procedure 6 . . . . . . . . . . 189
Removal and Installation NATS Antenna Amp. . 191

REMOVAL . . . . . . . . . . . . . . . 191
INSTALLATION . . . . . . . . . . . . . 191

HOMELINK UNIVERSAL TRANSCEIVER . . . . 192

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Wiring Diagram – TRNSCV – . . . . . . . ... 192
Trouble Diagnosis . . . . . . . . . . . . . 193

DIAGNOSTIC PROCEDURE . . . . . . . 193

BODY REPAIR . . . . . . . . . . . . . . 195

Body Exterior Paint Color . . . . . . . . . . 195
Body Component Parts . . . . . . . . . . . 196

UNDERBODY COMPONENT PARTS . . . ... 196
BODY COMPONENT PARTS . . . . . . ... 198

Corrosion Protection . . . . . . . . . . . . 200

DESCRIPTION . . . . . . . . . . . . .. 200
ANTI-CORROSIVE WAX . . . . . . . . ... 201
UNDERCOATING . . . . . . . . . . . .. 202
STONE GUARD COAT . . . . . . . . . .. 203

Body Sealing . . . . . . . . . . . . . . 204

DESCRIPTION . . . . . . . . . . . . .. 204

Body Construction . . . . . . . . . . . . 207

BODY CONSTRUCTION . . . . . . . . .. 207

Body Alignment . . . . . . . . . . . . . 208

BODY CENTER MARKS . . . . . . . . ... 208
PANEL PARTS MATCHING MARKS . . . . . 209
DESCRIPTION . . . . . . . . . . . . .. 210
ENGINE COMPARTMENT . . . . . . . . 211
UNDERBODY . . . . . . . . . . . . . 213
PASSENGER COMPARTMENT . . . . . . 215

REAR BODY . . . . . . . . . . . . . ..217

Handling Precautions for Plastics . . . . . . .219

HANDLING PRECAUTIONS FOR PLASTICS ..219
LOCATION OF PLASTIC PARTS . . . . . ..220

Precautions in Repairing High Strength Steel . ...222

HIGH STRENGTH STEEL (HSS) USED IN NIS-
SAN VEHICLES . . . . . . . . . . . . .222

Replacement Operations . . . . . . . . . ..225

DESCRIPTION . . . . . . . . . . . . ..225
RADIATOR CORE SUPPORT . . . . . . ...228
RADIATOR CORE SUPPORT (PARTIAL
REPLACEMENT) . . . . . . . . . . . ...230
HOODLEDGE . . . . . . . . . . . . . 231
HOODLEDGE (PARTIAL REPLACEMENT) . ..233
FRONT SIDE MEMBER . . . . . . . . . 234
FRONT SIDE MEMBER (PARTIAL REPLACE-
MENT) . . . . . . . . . . . . . . . . 236
FRONT PILLAR . . . . . . . . . . . . .237
CENTER PILLAR . . . . . . . . . . . ...240
OUTER SILL . . . . . . . . . . . . . ..241
REAR FENDER . . . . . . . . . . . . .242
REAR PANEL . . . . . . . . . . . . . 243
REAR FLOOR REAR . . . . . . . . . . .244
REAR SIDE MEMBER EXTENSION . . . . .245