Infiniti FX35, FX50 (S51). Manual — part 295

BRM-58

< REMOVAL AND INSTALLATION >

REPLACEMENT OPERATIONS

: Vehicle front

Replacement parts

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Rear side member extension (LH)

JSKIA0692ZZ

CCS-1

CRUISE CONTROL

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CCS

SECTION

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CONTENTS

CRUISE CONTROL SYSTEM

ICC (FULL SPEED RANGE)

BASIC INSPECTION . . . . . . . . ...

11

DIAGNOSIS AND REPAIR WORK FLOW . .

11

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

11

INSPECTION AND ADJUSTMENT . . . . .

13

ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT (ICC SENSOR INTEGRATED
UNIT) . . . . . . . . . . . . . . . . . . ..

13

ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT (ICC SENSOR INTEGRATED
UNIT) : Description . . . . . . . . . . . . ..

13

ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT (ICC SENSOR INTEGRATED
UNIT) : Special Repair Requirement . . . . . ...

13

LASER BEAM AIMING ADJUSTMENT . . . . .

13

LASER BEAM AIMING ADJUSTMENT : Descrip-
tion . . . . . . . . . . . . . . . . . . ..

13

LASER BEAM AIMING ADJUSTMENT : Special
Repair Requirement (Preparation) . . . . . . ..

14

LASER BEAM AIMING ADJUSTMENT : Special
Repair Requirement (Setting The ICC Target
Board) . . . . . . . . . . . . . . . . . .

14

LASER BEAM AIMING ADJUSTMENT : Special
Repair Requirement (Laser Beam Aiming Adjust-
ment) . . . . . . . . . . . . . . . . . ...

17

ACTION TEST . . . . . . . . . . . . . . ...

18

ACTION TEST : Description . . . . . . . . ...

18

ACTION TEST : Special Repair Requirement (Ve-
hicle-To-Vehicle Distance Control Mode) . . . .

18

ACTION TEST : Special Repair Requirement
[Conventional (Fixed Speed) Cruise Control
Mode] . . . . . . . . . . . . . . . . . ..

21

SYSTEM DESCRIPTION . . . . . . . .

24

ICC (FULL SPEED RANGE) . . . . . . . ..

24

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

24

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

24

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

27

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

28

VEHICLE-TO-VEHICLE DISTANCE CON-
TROL MODE FUNCTION . . . . . . . . ..

29

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

29

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

29

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

36

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

37

CONVENTIONAL (FIXED SPEED) CRUISE
CONTROL MODE FUNCTION . . . . . . ..

38

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

38

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

38

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

42

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

43

DIAGNOSIS SYSTEM (ICC SENSOR INTE-
GRATED UNIT) . . . . . . . . . . . . .

44

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

44

CONSULT-III Function (ICC) . . . . . . . . ...

45

DTC/CIRCUIT DIAGNOSIS . . . . . . .

53

C1A00 CONTROL UNIT . . . . . . . . ...

53

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

53

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

53

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

53

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

53

C1A01 POWER SUPPLY CIRCUIT 1, C1A02
POWER SUPPLY CIRCUIT 2 . . . . . . ...

55

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

55

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

55

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

55

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

55

C1A03 VEHICLE SPEED SENSOR . . . . ..

57

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

57

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

57

CCS-2

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

57

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

58

C1A04 ABS/TCS/VDC SYSTEM . . . . . ...

59

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

59

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

59

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

59

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

59

C1A05 BRAKE SW/STOP LAMP SW . . . ...

61

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

61

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

61

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

61

Component Inspection (ICC Brake Switch) . . ....

64

Component Inspection (Stop Lamp Switch) . . ...

64

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

65

C1A06 OPERATION SW . . . . . . . . ...

66

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

66

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

66

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

66

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

67

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

68

C1A08 PRESSURE SENSOR . . . . . . ...

69

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

69

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

69

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

69

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

70

C1A09 BOOSTER SOLENOID . . . . . . ..

71

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

71

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

71

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

71

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

72

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

72

C1A10 RELEASE SWITCH . . . . . . . ...

74

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

74

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

74

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

74

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

75

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

76

C1A11 PRESSURE CONTROL . . . . . . .

77

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

77

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

77

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

77

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

78

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

78

C1A12 LASER BEAM OFF CENTER . . . ...

80

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

80

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

80

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

80

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

80

C1A13 STOP LAMP RELAY . . . . . . . .

81

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

81

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

81

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

81

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

86

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

87

C1A14 ECM . . . . . . . . . . . . . ...

88

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

88

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

88

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

88

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

88

C1A15 GEAR POSITION . . . . . . . . ..

90

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

90

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

90

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

90

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

91

C1A16 RADAR STAIN . . . . . . . . . ..

93

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

93

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

93

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

93

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

93

C1A18 LASER AIMING INCMP . . . . . .

95

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

95

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

95

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

95

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

95

C1A21 UNIT HIGH TEMP . . . . . . . . ..

97

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

97

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

97

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

97

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

97

C1A22 BCU CIRCUIT . . . . . . . . . .

99

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

99

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

99

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

99

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

102

C1A24 NP RANGE . . . . . . . . . . ...

103

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

103

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

103

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

103

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

104

C1A28 BCU POWER SUPPLY CIRCUIT,
C1A29 BCU POWER SUPPLY CIRCUIT2 . ...

105

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

105

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

105

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

105

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

105

C1A30 BCU CAN COMM CIRC . . . . . ...

107

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

107

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

107

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

107

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

107

C1A31 BCU INTERNAL MALF . . . . . .

108

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

108

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

108

CCS-3

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

108

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

108

C1A32 IBA FLAG STUCK . . . . . . . ...

110

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

110

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

110

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

110

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

110

C1A33 CAN TRANSMISSION ERROR . . ...

112

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

112

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

112

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

112

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

112

C1A34 COMMAND ERROR . . . . . . . .

114

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

114

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

114

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

114

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

114

C1A39 STEERING ANGLE SENSOR . . . ..

116

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

116

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

116

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

116

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

116

C1A40 SYSTEM SWITCH CIRCUIT . . . .

118

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

118

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

118

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

118

Component Inspection (IBA OFF Switch) . . . .

119

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

120

U0121 VDC CAN 2 . . . . . . . . . . ...

121

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

121

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

121

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

121

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

121

U0126 STRG SEN CAN 1 . . . . . . . .

123

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

123

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

123

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

123

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

123

U0129 BCU CAN 2 . . . . . . . . . . ...

125

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

125

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

125

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

125

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

125

U0401 ECM CAN 1 . . . . . . . . . . ...

127

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

127

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

127

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

127

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

127

U0402 TCM CAN 1 . . . . . . . . . . ...

129

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

129

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

129

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

129

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

129

U0415 VDC CAN 1 . . . . . . . . . . ..

131

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

131

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

131

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

131

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

131

U0418 BCU CAN 1 . . . . . . . . . . ..

133

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

133

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

133

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

133

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

133

U0428 STRG SEN CAN 2 . . . . . . . ...

135

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

135

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

135

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

135

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

135

U1000 CAN COMM CIRCUIT . . . . . . .

137

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

137

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

137

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

137

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

137

U1010 CONTROL UNIT (CAN) . . . . . ...

139

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

139

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

139

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

139

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

139

POWER SUPPLY AND GROUND CIRCUIT ..

140

ICC SENSOR INTEGRATED UNIT . . . . . . .

140

ICC SENSOR INTEGRATED UNIT : Diagnosis
Procedure . . . . . . . . . . . . . . . ..

140

BRAKE BOOSTER CONTROL UNIT . . . . . ..

140

BRAKE BOOSTER CONTROL UNIT : Diagnosis
Procedure . . . . . . . . . . . . . . . ..

140

ICC WARNING CHIME CIRCUIT . . . . .

142

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

142

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

142

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

142

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

143

ECU DIAGNOSIS INFORMATION . . .

144

ICC SENSOR INTEGRATED UNIT . . . . .

144

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

144

Wiring Diagram - INTELLIGENT CRUISE CON-
TROL (FULL SPEED RANGE) - . . . . . . .

148

Fail-Safe . . . . . . . . . . . . . . . .

161

DTC Inspection Priority Chart . . . . . . . .

161

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

162

BRAKE BOOSTER CONTROL UNIT . . . .

165

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

165