Infiniti FX35 / FX45. Manual — part 183

BCM (BODY CONTROL MODULE)

BCS-13

< SERVICE INFORMATION >

C

D

E

F

G

H

I

J

L

M

A

B

BCS

N

O

P

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

C

D

E

F

G

H

J

K

L

M

SECTION

BL

A

B

BL

N

O

P

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