Infiniti FX35 / FX45. Manual - part 183

 

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Infiniti FX35 / FX45. Manual - part 183

 

 

BCM (BODY CONTROL MODULE)

BCS-13

< SERVICE INFORMATION >

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SELF-DIAG RESULTS

U1000 CAN Communication Circuit

INFOID:0000000001606767

1.

PERFORM SELF DIAGNOSTIC

1.

Turn ignition switch ON and wait for 2 seconds or more.

2.

Check “Self Diagnostic Result” of BCM.

Is “CAN COMM CIRCUIT” displayed?

YES

>> Refer to 

LAN-14, "Trouble Diagnosis Flow Chart"

.

NO

>> Refer to 

GI-25, "How to Perform Efficient Diagnosis for an Electrical Incident"

.

Removal and Installation of BCM

INFOID:0000000001328613

REMOVAL

1.

Remove the dash side finisher (LH). Refer to 

EI-38

.

2.

Disconnect BCM connector.

3.

Remove bracket mounting screws (3) to remove BCM and fuse
block with bracket.

Item

Description

RESET SETTING VALUE

Return a value set with WORK SUPPORT of each system to a default value in factory shipment.

DTC

DTC Detection Condition

Possible cause

U1000: CAN COMM CIRCUIT

When BCM cannot communicate CAN com-
munication signal continuously for 2 sec-
onds or more.

Any item (or items) of the following listed below is 
malfunctioning in CAN communication system.
• Transmission
• Receiving (ECM)
• Receiving (IPDM E/R)
• Receiving (METER/M&A)
• Receiving (I-KEY)

SKIA4964E

BCS-14

< SERVICE INFORMATION >

BCM (BODY CONTROL MODULE)

4.

Raise the pawl of fuse block and remove bracket from fuse block
to remove BCM.

INSTALLATION

Installation is the reverse order of removal.
NOTE:
When replacing BCM perform initialization of NATS system and registration of all NATS ignition key IDs.

SKIA4965E

BL-1

BODY

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SECTION 

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CONTENTS

BODY, LOCK & SECURITY SYSTEM

SERVICE INFORMATION  ............................

4

DTC INDEX ..........................................................

4

INTELLGENT KEY UNIT U1000 ...............................

4

INTELLGENT KEY UNIT B2013-B2014  ...................

4

ECM P1610-P1615  ...................................................

4

PRECAUTIONS ...................................................

5

Precaution for Supplemental Restraint System 
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................
..

5

Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ...................................
..

5

Precaution for Work  ..................................................

5

PREPARATION ...................................................

6

Special Service Tool  .................................................

6

Commercial Service Tool  ..........................................

6

SQUEAK AND RATTLE TROUBLE DIAGNO-
SIS .......................................................................

7

Work Flow  .................................................................

7

Generic Squeak and Rattle Troubleshooting  ............

9

Diagnostic Worksheet  .............................................

11

HOOD .................................................................

13

Fitting Adjustment  ...................................................

13

Removal and Installation of Hood Assembly ...........

14

Removal and Installation of Hood Lock Control  ......

15

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

16

RADIATOR CORE SUPPORT  ...........................

18

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

18

FRONT FENDER ................................................

20

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

20

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

21

Component Parts and Harness Connector Loca-
tion ..........................................................................

21

System Description  .................................................

22

CAN Communication System Description ...............

23

CAN Communication Unit ........................................

23

Schematic/With Intelligent Key ................................

24

Wiring Diagram - D/LOCK -/With Intelligent Key  .....

25

Schematic/Without Intelligent Key  ...........................

30

Wiring Diagram - D/LOCK -/Without Intelligent 
Key ..........................................................................

31

Terminal and Reference Value for BCM ..................

35

Terminal and Reference Value for Intelligent Key 
Unit (With Intelligent Key System)  ...........................

35

Work Flow ................................................................

36

CONSULT-III Function (BCM)  .................................

36

Trouble Diagnosis Chart by Symptom .....................

37

Check BCM Power Supply and Ground Circuit  .......

37

Check Door Switch  ..................................................

38

Check Key Switch ....................................................

42

Check Door Lock and Unlock Switch  ......................

43

Check Door Lock Actuator (Driver Side)  .................

45

Check Door Lock Actuator (Passenger Side and 
Rear LH/RH) ............................................................

45

Check Fuel Lid Lock Actuator ..................................

46

Check Front Door Key Cylinder Switch (Lock)  ........

47

Check Front Door Key Cylinder Switch (Unlock) .....

47

Check Select Unlock Relay Circuit  ..........................

48

REMOTE KEYLESS ENTRY SYSTEM .............

50

Component Parts and Harness Connector Loca-
tion ...........................................................................

50

System Description ..................................................

50

CAN Communication System Description  ...............

53

CAN Communication Unit ........................................

53

Schematic ................................................................

54

Wiring Diagram - KEYLES -  ....................................

55

Terminal and Reference Value for BCM ..................

58

Terminal and Reference Value for IPDM E/R ..........

59

CONSULT-III Function (BCM)  .................................

60

Work Flow ................................................................

62

Trouble Diagnosis Chart by Symptom .....................

62

Check Key Fob Battery and Function ......................

63

Check ACC Switch  ..................................................

64

Check Door Switch  ..................................................

65

Check Key Switch ....................................................

68

BL-2

Check Remote Keyless Entry Receiver ..................

69

Check IPDM E/R Operation ....................................

71

Check Hazard Warning Lamp Function ..................

72

Check Horn Function  ..............................................

72

Check Headlamp Function  .....................................

72

Check Map Lamp and Ignition Keyhole Illumina-
tion Function  ..........................................................
.

72

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

73

Removal and Installation of Remote keyless Entry 
receiver ..................................................................
.

75

Key Fob Battery Replacement ................................

75

INTELLIGENT KEY SYSTEM ............................

76

Component Parts and Harness Connector Loca-
tion .........................................................................
.

76

System Description .................................................

78

CAN Communication System Description  ..............

83

CAN Communication Unit .......................................

84

Schematic ...............................................................

84

Wiring Diagram - I/KEY -  ........................................

86

Terminal and Reference Value for INTELLIGENT 
KEY UNIT  ..............................................................
.

99

Terminal and Reference Value for Steering Lock 
unit .........................................................................

101

Terminal and Reference Value for BCM ................

101

Terminal and Reference Value for IPDM E/R ........

102

Diagnosis Procedure  .............................................

103

CONSULT-III Functions (INTELLIGENT KEY)  ......

103

CONSULT-III Application Item ...............................

104

List of Operation Related Parts  .............................

105

Trouble Diagnosis Symptom Chart ........................

106

Check CAN Communication System Inspection ....

111

Check Intelligent Key Unit Power Supply and 
Ground Circuit  .......................................................

111

Check Key Switch (Intelligent Key Unit Input)  .......

112

Check Key Switch (BCM Input)  .............................

113

Check Ignition Knob Switch  ...................................

114

Check Door Switch  ................................................

115

Check Unlock Sensor  ............................................

117

Check Door Request Switch ..................................

119

Check Intelligent Key Warning Buzzer  ..................

120

Check Outside Key Antenna  .................................

121

Check Inside Key Antenna  ....................................

123

Check Steering Lock Unit  ......................................

124

Check Stop Lamp Switch  ......................................

126

Check Park Position Switch ...................................

126

Check Select Unlock Relay  ...................................

128

Check Hazard Function  .........................................

128

Check Horn Function  .............................................

129

Check Headlamp Function  ....................................

129

Check IPDM E/R Operation ...................................

129

Removal and Installation of Intelligent Key Unit  ....

130

Intelligent Key Battery Replacement .....................

130

DOOR ...............................................................

131

Fitting Adjustment  ..................................................

131

Removal and Installation of Front Door  .................

132

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

133

Removal and Installation of Door Weatherstrip  .....

134

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

135

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

135

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

138

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

138

BACK DOOR  ....................................................

141

Fitting Adjustment  .................................................

141

Back Door Assembly .............................................

141

Removal and Installation of Back Door Striker  .....

142

Removal and Installation of Back Door Stay .........

143

Removal and Installation of Dave Tail Male & Fe-
male ......................................................................

144

Removal and Installation of Back Door Weather-
strip .......................................................................

144

BACK DOOR LOCK ASSEMBLY  ....................

146

Removal and Installation of Back Door Lock & 
Closure Assembly  .................................................

146

Removal and Installation of Back Door Opener 
Switch ...................................................................

146

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

147

BACK DOOR AUTO CLOSURE SYSTEM  ......

148

Component Parts and Harness Connector Loca-
tion ........................................................................

148

System Description  ...............................................

148

Wiring Diagram - B/CLOS - ...................................

150

Terminal and Reference Value for Back Door Clo-
sure Control Unit  ...................................................

152

Work Flow  .............................................................

153

Preliminary Check .................................................

153

Trouble Diagnosis Chart by Symptom  ..................

153

Check Back Door Closure Control Unit Power 
Supply and Ground Circuit ....................................

153

Check Half-Latch Switch .......................................

154

Check Close Switch  ..............................................

155

Check Open Switch  ..............................................

156

Check Back Door Opener Switch (With Intelligent 
Key) .......................................................................

157

Check Back Door Opener Switch (Without Intelli-
gent Key) ...............................................................

159

Check Unlock Sensor (Without Intelligent Key)  ....

160

Check Closure Motor  ............................................

161

Removal and Installation of Back Door Closer 
Control Unit  ...........................................................

162

VEHICLE SECURITY (THEFT WARNING) 
SYSTEM ...........................................................

163

Component Parts and Harness Connector Loca-
tion ........................................................................

163

System Description  ...............................................

164

CAN Communication System Description  ............

166

CAN Communication Unit  .....................................

166

Schematic .............................................................

167

Wiring Diagram - VEHSEC -  .................................

168

Terminal and Reference Value for BCM  ...............

173

Terminal and Reference Value for IPDM E/R  .......

174

CONSULT-III Function ..........................................

174

Trouble Diagnosis  .................................................

176

 

 

 

 

 

 

 

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