Infiniti G37 Coupe. Manual — part 1083

SBC-40

< ON-VEHICLE MAINTENANCE >

PRE-CRASH SEAT BELT CONTROL UNIT

PRE-CRASH SEAT BELT CONTROL UNIT

Exploded View

INFOID:0000000001712021

Removal and Installation

INFOID:0000000001712022

REMOVAL

1.

Remove the glove box. Refer to

IP-12, "Removal and Installation"

.

2.

Disconnect the pre-crash seat belt control unit connector (A).

3.

Remove the screws.

4.

Remove the pre-crash seat belt control unit (1).

INSTALLATION

Install in the reverse order of removal.

1.

Pre-crash seat belt control unit

A.

Pre-crash seat belt control unit con-
nector

JMHIA0099ZZ

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BODY INTERIOR

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SECTION

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CONTENTS

SEAT

BASIC INSPECTION . . . . . . . . .

6

DIAGNOSIS AND REPAIR WORKFLOW . . ..

6

WorkFlow . . . . . . . . . . . . . . . . ..

6

INSPECTION AND ADJUSTMENT . . . . . .

7

ADDITIONAL SERVICE WHEN REMOVING BAT-
TERY NEGATIVE TERMINAL . . . . . . . . .....

7

ADDITIONAL SERVICE WHEN REMOVING
BATTERY NEGATIVE TERMINAL : Description . ..

7

ADDITIONAL SERVICE WHEN REMOVING
BATTERY NEGATIVE TERMINAL : Special Re-
pair Requirement . . . . . . . . . . . . . ...

7

ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT . . . . . . . . . . . . . . ..

7

ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description . . . . . . . . ..

7

ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement . ...

7

SYSTEM INITIALIZATION . . . . . . . . . . ..

7

SYSTEM INITIALIZATION : Description . . . . ...

7

SYSTEM INITIALIZATION : Special Repair Re-
quirement . . . . . . . . . . . . . . . . ..

7

FUNCTION DIAGNOSIS . . . . . . . ...

8

POWER SEAT FOR DRIVER SIDE . . . . .

8

POWER SEAT FUNCTION . . . . . . . . . .....

8

POWER SEAT FUNCTION : System Diagram . .....

8

POWER SEAT FUNCTION : System Description

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8

POWER SEAT FUNCTION : Component Parts
Location . . . . . . . . . . . . . . . . .....

9

POWER SEAT FUNCTION : Component Descrip-
tion . . . . . . . . . . . . . . . . . . ..

10

POWER WALK-IN FUNCTION . . . . . . . . ..

10

POWER WALK-IN FUNCTION : System Diagram

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10

POWER WALK-IN FUNCTION : System Descrip-
tion . . . . . . . . . . . . . . . . . . ..

10

POWER WALK-IN FUNCTION : Component
Parts Location . . . . . . . . . . . . . . ..

13

POWER WALK-IN FUNCTION :
Component Description . . . . . . . . . . ..

13

POWER SEAT FOR PASSENGER SIDE . . .

15

POWER SEAT FUNCTION . . . . . . . . . .

15

POWER SEAT FUNCTION : System Diagram . ...

15

POWER SEAT FUNCTION : System Description .

15

POWER SEAT FUNCTION : Component Parts
Location . . . . . . . . . . . . . . . . ...

16

POWER SEAT FUNCTION : Component Descrip-
tion . . . . . . . . . . . . . . . . . . ...

17

POWER WALK-IN FUNCTION . . . . . . . . ..

17

POWER WALK-IN FUNCTION : System Diagram .

17

POWER WALK-IN FUNCTION : System Descrip-
tion . . . . . . . . . . . . . . . . . . ...

17

POWER WALK-IN FUNCTION : Component
Parts Location . . . . . . . . . . . . . . ..

19

POWER WALK-IN FUNCTION :
Component Description . . . . . . . . . . ..

20

TILT&TELESCOPIC SYSTEM . . . . . . ..

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System Diagram . . . . . . . . . . . . . ..

21

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

21

Component Parts Location . . . . . . . . . ..

22

Component Description . . . . . . . . . . ...

22

SIDE SUPPORT UNIT . . . . . . . . . ...

23

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

23

Component Parts Location . . . . . . . . . ..

23

Component Description . . . . . . . . . . ...

23

HEATED SEAT . . . . . . . . . . . . .

24

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

24

Component Parts Location . . . . . . . . . ..

24

Component Description . . . . . . . . . . ...

24

LUMBAR SUPPORT . . . . . . . . . . .

25

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

25

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Component Parts Location . . . . . . . . . .

25

Component Description . . . . . . . . . . ..

25

DIAGNOSIS SYSTEM (DRIVER SEAT C/U) . .

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Diagnosis Description . . . . . . . . . . . .

26

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

26

COMPONENT DIAGNOSIS . . . . . .

29

U1000 CAN COMM CIRCUIT . . . . . . .

29

Description . . . . . . . . . . . . . . . ..

29

DTC Logic . . . . . . . . . . . . . . . ...

29

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

29

Special Repair Requirement . . . . . . . . ...

29

B2112 SLIDING MOTOR . . . . . . . . ...

30

Description . . . . . . . . . . . . . . . ..

30

DTC Logic . . . . . . . . . . . . . . . ...

30

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

30

POWER SUPPLY AND GROUND CIRCUIT . .

31

AUTOMATIC DRIVE POSITIONER CONTROL
UNIT . . . . . . . . . . . . . . . . . . ..

31

AUTOMATIC DRIVE POSITIONER CONTROL
UNIT : Diagnosis Procedure . . . . . . . . ..

31

AUTOMATIC DRIVE POSITIONER CONTROL
UNIT : Special Repair Requirement . . . . . ...

31

DRIVER SEAT CONTROL UNIT . . . . . . . ..

31

DRIVER SEAT CONTROL UNIT :
Diagnosis Procedure . . . . . . . . . . . .

31

DRIVER SEAT CONTROL UNIT : Special Repair
Requirement . . . . . . . . . . . . . . ...

32

PASSENGER SEAT CONTROL UNIT . . . . . .

32

PASSENGER SEAT CONTROL UNIT :
Diagnosis Procedure . . . . . . . . . . . .

32

PASSENGER SEAT CONTROL UNIT : Special
Repair Requirement . . . . . . . . . . . ...

33

POWER SEAT SWITCH . . . . . . . . .

34

DRIVER SIDE . . . . . . . . . . . . . . ....

34

DRIVER SIDE : Description . . . . . . . . ....

34

DRIVER SIDE : Component Function Check . . .

34

DRIVER SIDE : Diagnosis Procedure . . . . ....

34

DRIVER SIDE : Component Inspection . . . . ..

35

PASSENGER SIDE . . . . . . . . . . . . ...

36

PASSENGER SIDE : Description . . . . . . ...

36

PASSENGER SIDE : Component Function Check

...

36

PASSENGER SIDE : Diagnosis Procedure . . ...

37

PASSENGER SIDE : Component Inspection . . .

38

SLIDING SWITCH . . . . . . . . . . . ..

40

SEATBACK . . . . . . . . . . . . . . . ...

40

SEATBACK : Description . . . . . . . . . ...

40

SEATBACK : Component Function Check . . . .

40

SEATBACK : Diagnosis Procedure . . . . . ...

40

SEATBACK : Component Inspection . . . . . ..

41

FORWARD SWITCH . . . . . . . . . . .

42

DRIVER SIDE . . . . . . . . . . . . . . .

42

DRIVER SIDE : Description . . . . . . . . .

42

DRIVER SIDE : Component Function Check . .

42

DRIVER SIDE : Diagnosis Procedure . . . . .

42

DRIVER SIDE : Component Inspection . . . . ..

43

PASSENGER SIDE . . . . . . . . . . . . ...

43

PASSENGER SIDE : Description . . . . . . ...

43

PASSENGER SIDE : Diagnosis Procedure . . ...

43

PASSENGER SIDE : Component Inspection . . .

45

SEAT BELT BUCKLE SWITCH . . . . . .

46

DRIVER SIDE . . . . . . . . . . . . . . .

46

DRIVER SIDE : Description . . . . . . . . .

46

DRIVER SIDE : Component Function Check . .

46

DRIVER SIDE : Diagnosis Procedure . . . . .

46

DRIVER SIDE : Component Inspection . . . . ..

47

PASSENGER SIDE . . . . . . . . . . . . ...

47

PASSENGER SIDE : Description . . . . . . ...

47

PASSENGER SIDE : Diagnosis Procedure . . ...

47

PASSENGER SIDE : Component Inspection . . .

49

SLIDING LIMIT SWITCH . . . . . . . . ...

50

DRIVER SIDE . . . . . . . . . . . . . . .

50

DRIVER SIDE : Description . . . . . . . . .

50

DRIVER SIDE : Component Function Check . .

50

DRIVER SIDE : Diagnosis Procedure . . . . .

50

DRIVER SIDE : Component Inspection . . . . ..

51

PASSENGER SIDE . . . . . . . . . . . . ...

51

PASSENGER SIDE : Description . . . . . . ...

51

PASSENGER SIDE : Diagnosis Procedure . . ...

51

PASSENGER SIDE : Component Inspection . . .

53

POWER WALK-IN SWITCH . . . . . . . ..

54

DRIVER SIDE . . . . . . . . . . . . . . .

54

DRIVER SIDE : Description . . . . . . . . .

54

DRIVER SIDE : Component Function Check . .

54

DRIVER SIDE : Diagnosis Procedure . . . . .

54

DRIVER SIDE : Component Inspection . . . . ..

55

PASSENGER SIDE . . . . . . . . . . . . ...

55

PASSENGER SIDE : Description . . . . . . ...

55

PASSENGER SIDE : Diagnosis Procedure . . ...

55

PASSENGER SIDE : Component Inspection . . .

57

DOOR SWITCH . . . . . . . . . . . . .

58

DRIVER SIDE . . . . . . . . . . . . . . .

58

DRIVER SIDE : Description . . . . . . . . .

58

DRIVER SIDE : Component Function Check . . .

58

DRIVER SIDE : Diagnosis Procedure . . . . . .

58

DRIVER SIDE : Component Inspection . . . . ..

59

PASSENGER SIDE . . . . . . . . . . . . ...

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PASSENGER SIDE : Description . . . . . . ...

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PASSENGER SIDE : Diagnosis Procedure . . .

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PASSENGER SIDE : Component Inspection . . .

60

TILT&TELESCOPIC SWITCH . . . . . . .

61

Description . . . . . . . . . . . . . . . ..

61

Component Function Check . . . . . . . . .

61

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

61

Component Inspection . . . . . . . . . . .

62

SLIDING SENSOR . . . . . . . . . . . .

64

DRIVER SIDE . . . . . . . . . . . . . . .

64

DRIVER SIDE : Description . . . . . . . . .

64

DRIVER SIDE : Component Function Check . .

64

DRIVER SIDE : Diagnosis Procedure . . . . .

64

PASSENGER SIDE . . . . . . . . . . . . ...

66

PASSENGER SIDE : Description . . . . . . ...

66

PASSENGER SIDE : Diagnosis Procedure . . ...

66

TILT&TELESCOPIC SENSOR . . . . . . ...

68

Description . . . . . . . . . . . . . . . ..

68

Component Function Check . . . . . . . . .

68

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

68

SLIDING MOTOR . . . . . . . . . . . ...

70

DRIVER SIDE . . . . . . . . . . . . . . .

70

DRIVER SIDE : Description . . . . . . . . .

70

DRIVER SIDE : Component Function Check . .

70

DRIVER SIDE : Diagnosis Procedure . . . . .

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DRIVER SIDE : Component Inspection . . . . ..

71

PASSENGER SIDE . . . . . . . . . . . . ...

71

PASSENGER SIDE : Description . . . . . . ...

71

PASSENGER SIDE :
Component Function Check . . . . . . . . ..

71

PASSENGER SIDE : Diagnosis Procedure . . ...

71

PASSENGER SIDE : Component Inspection . . .

72

RECLINING MOTOR . . . . . . . . . . ..

73

DRIVER SIDE . . . . . . . . . . . . . . .

73

DRIVER SIDE : Description . . . . . . . . .

73

DRIVER SIDE : Component Function Check . . ..

73

DRIVER SIDE : Diagnosis Procedure . . . . . .

73

DRIVER SIDE : Component Inspection . . . . ..

73

PASSENGER SIDE . . . . . . . . . . . . ...

74

PASSENGER SIDE : Description . . . . . . ...

74

PASSENGER SIDE : Component Function Check

.

74

PASSENGER SIDE : Diagnosis Procedure . . .

74

PASSENGER SIDE : Component Inspection . . .

74

LIFTING MOTOR . . . . . . . . . . . .

76

FRONT . . . . . . . . . . . . . . . . . ...

76

FRONT : Description . . . . . . . . . . . ...

76

FRONT : Component Function Check . . . . .

76

FRONT : Diagnosis Procedure . . . . . . . ...

76

FRONT : Component Inspection . . . . . . . .

77

REAR . . . . . . . . . . . . . . . . . . .

77

REAR : Description . . . . . . . . . . . . ..

77

REAR : Component Function Check . . . . . ...

77

REAR : Diagnosis Procedure . . . . . . . . ..

77

REAR : Component Inspection . . . . . . . .

78

TILT&TELESCOPIC MOTOR . . . . . . ...

79

Description . . . . . . . . . . . . . . . ...

79

Component Function Check . . . . . . . . .

79

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

79

SLIDING RELAY . . . . . . . . . . . ...

81

FORWARD . . . . . . . . . . . . . . . . .

81

FORWARD : Diagnosis Procedure . . . . . . .

81

FORWARD : Component Inspection (Sliding Re-
lay) . . . . . . . . . . . . . . . . . . ...

83

BACKWARD . . . . . . . . . . . . . . . ..

84

BACKWARD : Diagnosis Procedure . . . . . ...

84

BACKWARD : Component Inspection (Sliding Re-
lay) . . . . . . . . . . . . . . . . . . ...

86

RECLINING RELAY . . . . . . . . . . ..

88

FORWARD . . . . . . . . . . . . . . . . .

88

FORWARD : Diagnosis Procedure . . . . . . .

88

FORWARD : Component Inspection (Reclining
Relay) . . . . . . . . . . . . . . . . . ..

90

FORWARD : Component Inspection (Diode 1) . ...

90

BACKWARD . . . . . . . . . . . . . . . ..

90

BACKWARD : Diagnosis Procedure . . . . . ...

90

BACKWARD : Component Inspection (Reclining
Relay) . . . . . . . . . . . . . . . . . ..

92

BACKWARD : Component Inspection (Diode 2) . .

92

HEATED SEAT . . . . . . . . . . . . .

94

Wiring Diagram - HEATED SEAT SYSTEM - . . ..

94

LUMBAR SUPPORT . . . . . . . . . . .

98

Wiring Diagram - LUMBAR SUPPORT SYSTEM - .

98

SIDE SUPPORT . . . . . . . . . . . ..

101

Wiring Diagram - LUMBAR SUPPORT SYSTEM - ..

101

ECU DIAGNOSIS . . . . . . . . . ...

104

DRIVER SEAT CONTROL UNIT . . . . .

104

Reference Value . . . . . . . . . . . . .

104

Wiring Diagram - POWER SEAT CONTROL SYS-
TEM FOR DRIVER SIDE - . . . . . . . . .

106

Fail Safe . . . . . . . . . . . . . . . .

111

DTC Index . . . . . . . . . . . . . . . .

112

PASSENGER SEAT CONTROL UNIT . . ...

113

Reference Value . . . . . . . . . . . . .

113

Wiring Diagram - POWER SEAT CONTROL SYS-
TEM FOR PASSENGER SIDE - . . . . . . ...

115

AUTOMATIC DRIVE POSITIONER CON-
TROL UNIT . . . . . . . . . . . . . ..

121