Infiniti M45 (Y34). Manual - part 194

 

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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

 

 

 

 

 

 

 

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