Infiniti FX35, FX50 (S51). Manual — part 2

ACCELERATOR CONTROL SYSTEM

ACC-5

< REMOVAL AND INSTALLATION >

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MODELS WITH DISTANCE CONTROL ASSIST SYSTEM : Inspection

INFOID:0000000005236594

INSPECTION AFTER INSTALLATION

• Check accelerator pedal moves smoothly within the whole operation range when it is fully depressed and

released.

• Check accelerator pedal securely returns to the fully released position.
• For the electrical inspection of accelerator pedal position sensor, refer to

EC-442, "Description"

,

EC-446,

"Description"

, and

EC-451, "Description"

(VQ35HR) or

EC-1074, "Description"

,

EC-1078, "Description"

, and

EC-1083, "Description"

(VK50VE).

-

CAUTION:

When harness connector of accelerator pedal position sensor is disconnected, perform “Accelerator
Pedal Released Position Learning”. Refer to

EC-25, "ACCELERATOR PEDAL RELEASED POSITION

LEARNING : Description"

(VQ35HR) or

EC-581, "ACCELERATOR PEDAL RELEASED POSITION

LEARNING : Description"

(VK50VE).

ADP-1

BODY INTERIOR

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SECTION

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CONTENTS

AUTOMATIC DRIVE POSITIONER

BASIC INSPECTION . . . . . . . . .

5

DIAGNOSIS AND REPAIR WORKFLOW . . ..

5

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

5

INSPECTION AND ADJUSTMENT . . . . . .

8

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

8

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

8

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

8

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

8

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

8

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

8

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

9

SYSTEM INITIALIZATION : Description . . . . ...

9

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

9

MEMORY STORING . . . . . . . . . . . . ....

9

MEMORY STORING : Description . . . . . . ....

9

MEMORY STORING : Special Repair Require-
ment . . . . . . . . . . . . . . . . . .

10

SYSTEM SETTING . . . . . . . . . . . . .

10

SYSTEM SETTING : Description . . . . . . .

11

SYSTEM SETTING : Special Repair Requirement

.

11

SYSTEM DESCRIPTION . . . . . . . .

13

AUTOMATIC DRIVE POSITIONER SYSTEM .

13

AUTOMATIC DRIVE POSITIONER SYSTEM . . ...

13

AUTOMATIC DRIVE POSITIONER SYSTEM :
System Diagram . . . . . . . . . . . . . ..

13

AUTOMATIC DRIVE POSITIONER SYSTEM :
System Description . . . . . . . . . . . . ..

14

AUTOMATIC DRIVE POSITIONER SYSTEM :
Component Parts Location . . . . . . . . . ..

15

AUTOMATIC DRIVE POSITIONER SYSTEM :
Component Description . . . . . . . . . . ..

16

MANUAL FUNCTION . . . . . . . . . . . .

17

MANUAL FUNCTION : System Diagram . . . .

18

MANUAL FUNCTION : System Description . . .

18

MANUAL FUNCTION : Component Parts Loca-
tion . . . . . . . . . . . . . . . . . . ...

20

MANUAL FUNCTION : Component Description . .

21

SEAT SYNCHRONIZATION FUNCTION . . . . ..

22

SEAT SYNCHRONIZATION FUNCTION : Sys-
tem Diagram . . . . . . . . . . . . . . .

22

SEAT SYNCHRONIZATION FUNCTION : Sys-
tem Description . . . . . . . . . . . . . .

22

SEAT SYNCHRONIZATION FUNCTION : Com-
ponent Parts Location . . . . . . . . . . . ..

24

SEAT SYNCHRONIZATION FUNCTION :
Component Description . . . . . . . . . . ..

25

MEMORY FUNCTION . . . . . . . . . . . .

26

MEMORY FUNCTION : System Diagram . . . ...

26

MEMORY FUNCTION : System Description . . ...

26

MEMORY FUNCTION : Component Parts Loca-
tion . . . . . . . . . . . . . . . . . . ...

28

MEMORY FUNCTION : Component Description .

29

EXIT ASSIST FUNCTION . . . . . . . . . . ..

30

EXIT ASSIST FUNCTION : System Diagram . . ..

30

EXIT ASSIST FUNCTION : System Description . .

30

EXIT ASSIST FUNCTION : Component Parts Lo-
cation . . . . . . . . . . . . . . . . . ...

32

EXIT ASSIST FUNCTION :
Component Description . . . . . . . . . . ..

33

ENTRY ASSIST FUNCTION . . . . . . . . . ..

34

ADP-2

ENTRY ASSIST FUNCTION : System Diagram . .

34

ENTRY ASSIST FUNCTION : System Description

...

34

ENTRY ASSIST FUNCTION : Component Parts
Location . . . . . . . . . . . . . . . . ..

36

ENTRY ASSIST FUNCTION :
Component Description . . . . . . . . . . .

37

INTELLIGENT KEY INTERLOCK FUNCTION . . .

38

INTELLIGENT KEY INTERLOCK FUNCTION :
System Diagram . . . . . . . . . . . . . .

38

INTELLIGENT KEY INTERLOCK FUNCTION :
System Description . . . . . . . . . . . . .

38

INTELLIGENT KEY INTERLOCK FUNCTION :
Component Parts Location . . . . . . . . . .

40

INTELLIGENT KEY INTERLOCK FUNCTION :
Component Description . . . . . . . . . . .

41

DIAGNOSIS SYSTEM (DRIVER SEAT C/U) . .

42

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

42

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

42

DTC/CIRCUIT DIAGNOSIS . . . . . . .

45

U1000 CAN COMM CIRCUIT . . . . . . .

45

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

45

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

45

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

45

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

45

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

46

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

46

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

46

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

46

B2113 RECLINING MOTOR . . . . . . . ..

48

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

48

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

48

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

48

B2118 TILT SENSOR . . . . . . . . . .

50

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

50

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

50

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

50

B2119 TELESCOPIC SENSOR . . . . . . .

53

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

53

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

53

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

53

B2126 DETENT SW . . . . . . . . . . ...

56

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

56

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

56

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

56

B2128 UART COMMUNICATION LINE . . .

58

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

58

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

58

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

58

POWER SUPPLY AND GROUND CIRCUIT . .

59

BCM . . . . . . . . . . . . . . . . . . ...

59

BCM : Diagnosis Procedure . . . . . . . . .

59

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

59

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

59

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

60

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

60

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

60

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

61

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

62

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

62

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

62

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

62

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

63

RECLINING SWITCH . . . . . . . . . .

64

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

64

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

64

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

64

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

65

LIFTING SWITCH (FRONT) . . . . . . . ..

66

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

66

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

66

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

66

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

67

LIFTING SWITCH (REAR) . . . . . . . .

68

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

68

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

68

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

68

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

69

TILT SWITCH . . . . . . . . . . . . .

70

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

70

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

70

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

70

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

71

TELESCOPIC SWITCH . . . . . . . . . .

72

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

72

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

72

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

72

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

73

SEAT MEMORY SWITCH . . . . . . . . .

74

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

74

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

74

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

74

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

75

DOOR MIRROR REMOTE CONTROL
SWITCH . . . . . . . . . . . . . . . .

77

CHANGEOVER SWITCH . . . . . . . . . . ..

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CHANGEOVER SWITCH : Description . . . . ..

77

CHANGEOVER SWITCH : Component Function
Check . . . . . . . . . . . . . . . . . ..

77

CHANGEOVER SWITCH : Diagnosis Procedure .

77

CHANGEOVER SWITCH : Component Inspec-
tion . . . . . . . . . . . . . . . . . . ..

78

MIRROR SWITCH . . . . . . . . . . . . . .

78

MIRROR SWITCH : Description . . . . . . . .

79

MIRROR SWITCH : Component Function Check

.

79

MIRROR SWITCH : Diagnosis Procedure . . . ..

79

MIRROR SWITCH : Component Inspection . . ...

80

POWER SEAT SWITCH GROUND CIRCUIT .

82

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

82

TILT &TELESCOPIC SWITCH GROUND CIR-
CUIT . . . . . . . . . . . . . . . . .

83

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

83

DETENTION SWITCH . . . . . . . . . .

84

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

84

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

84

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

84

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

85

FRONT DOOR SWITCH (DRIVER SIDE) . . ..

86

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

86

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

86

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

86

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

87

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

88

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

88

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

88

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

88

RECLINING SENSOR . . . . . . . . . .

91

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

91

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

91

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

91

LIFTING SENSOR (FRONT) . . . . . . . ..

94

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

94

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

94

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

94

LIFTING SENSOR (REAR) . . . . . . . .

97

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

97

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

97

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

97

TILT SENSOR . . . . . . . . . . . . ..

100

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

100

Component Function Check . . . . . . . .

100

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

100

TELESCOPIC SENSOR . . . . . . . . ...

102

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

102

Component Function Check . . . . . . . .

102

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

102

MIRROR SENSOR . . . . . . . . . . ..

104

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

104

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

104

DRIVER SIDE : Component Function Check . ..

104

DRIVER SIDE : Diagnosis Procedure . . . . ..

104

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

105

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

105

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

105

PASSENGER SIDE : Diagnosis Procedure . . ..

106

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

108

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

108

Component Function Check . . . . . . . .

108

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

108

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

110

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

110

Component Function Check . . . . . . . .

110

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

110

LIFTING MOTOR (FRONT) . . . . . . . .

112

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

112

Component Function Check . . . . . . . .

112

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

112

LIFTING MOTOR (REAR) . . . . . . . ...

114

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

114

Component Function Check . . . . . . . .

114

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

114

TILT MOTOR . . . . . . . . . . . . ...

116

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

116

Component Function Check . . . . . . . .

116

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

116

TELESCOPIC MOTOR . . . . . . . . ...

118

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

118

Component Function Check . . . . . . . .

118

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

118

DOOR MIRROR MOTOR . . . . . . . .

120

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

120

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

120

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

120

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

121

SEAT MEMORY INDICATOR . . . . . . .

123

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

123

Component Function Check . . . . . . . .

123

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

123

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

124

ECU DIAGNOSIS INFORMATION . . .

125

DRIVER SEAT CONTROL UNIT . . . . .

125

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

125

Wiring Diagram - AUTOMATIC DRIVE POSI-
TIONER CONTROL SYSTEM - . . . . . . .

130

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

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