Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti EX35 2008 Approved files BRC
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BRAKES
A
SECTION
BRAKE CONTROL SYSTEM
BRC B
C
D
E
CONTENTS
VDC/TCS/ABS Component Parts Location .....................................22
. BRC
Component Description ..........................................24
.
BASIC INSPECTION ................................... 4
.
EBD ................................................................... 25
G
DIAGNOSIS AND REPAIR WORK FLOW ........ 4
. System Diagram .....................................................25
.
Work Flow ................................................................ 4
. System Description .................................................26
.
Diagnostic Work Sheet ............................................. 7
. Component Parts Location .....................................27.
Component Description ..........................................29
. H
INSPECTION AND ADJUSTMENT .................... 8
.
DIAGNOSIS SYSTEM [ABS ACTUATOR
ADDITIONAL SERVICE WHEN REPLACING AND ELECTRIC UNIT (CONTROL UNIT)] ....... 30
CONTROL UNIT ......................................................... 8
. I
CONSULT-III Function ...........................................30
.
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description ................................. 8 . COMPONENT DIAGNOSIS ........................ 35
.
ADDITIONAL SERVICE WHEN REPLACING J
CONTROL UNIT : Special Repair Requirement ...... 8 C1101, C1102, C1103, C1104 WHEEL SEN-
SOR ................................................................... 35
ADJUSTMENT OF STEERING ANGLE SENSOR Description ..............................................................35
.
NEUTRAL POSITION ................................................. 8 . K
DTC Logic ...............................................................35
.
ADJUSTMENT OF STEERING ANGLE SENSOR Diagnosis Procedure ..............................................35 .
NEUTRAL POSITION : Description ......................... 8 .
Component Inspection ............................................37 .
ADJUSTMENT OF STEERING ANGLE SENSOR L
Special Repair Requirement ...................................37 .
NEUTRAL POSITION : Special Repair Require-
ment ......................................................................... 8
. C1105, C1106, C1107, C1108 WHEEL SEN-
SOR ................................................................... 38 M
FUNCTION DIAGNOSIS ............................. 10
. Description ..............................................................38
.
VDC ...................................................................10
. DTC Logic ...............................................................38
.
System Diagram ..................................................... 10
. Diagnosis Procedure ..............................................38 . N
System Description ................................................ 11
. Component Inspection ............................................40 .
Component Parts Location ..................................... 12
. Special Repair Requirement ...................................40 .
Component Description .......................................... 14
. C1109 POWER AND GROUND SYSTEM ........ 41 O
TCS ....................................................................15
. Description ..............................................................41
.
System Diagram ..................................................... 15
. DTC Logic ...............................................................41
.
System Description ................................................ 16
. Diagnosis Procedure ..............................................41 . P
Component Parts Location ..................................... 17
. Special Repair Requirement ...................................42 .
Component Description .......................................... 19
. C1110, C1153, C1170 ABS ACTUATOR AND
ABS ...................................................................20
. ELECTRIC UNIT (CONTROL UNIT) ................. 43
System Diagram ..................................................... 20
. DTC Logic ...............................................................43
.
System Description ................................................ 21
. Diagnosis Procedure ..............................................43 .
Special Repair Requirement ...................................43 .
Revision: 2007 November BRC-1 2008 EX35
C1111 ABS MOTOR, MOTOR RELAY SYS- Special Repair Requirement .................................. 61
.
TEM ................................................................... 44
.
Description ............................................................. 44
.
C1144 STEERING ANGLE SENSOR .............. 62
.
DTC Logic .............................................................. 62
.
DTC Logic .............................................................. 44
.
Diagnosis Procedure .............................................. 62.
Diagnosis Procedure ............................................. 44 .
Special Repair Requirement .................................. 62 .
Component Inspection ........................................... 45 .
Special Repair Requirement .................................. 45 . C1145, C1146 YAW RATE/SIDE G SENSOR... 63
C1114 ACTUATOR RELAY SYSTEM .............. 46
. Description ............................................................. 63
.
DTC Logic .............................................................. 63
.
Description ............................................................. 46
.
Diagnosis Procedure .............................................. 63 .
DTC Logic .............................................................. 46
.
Component Inspection ........................................... 64 .
Diagnosis Procedure ............................................. 46 .
Special Repair Requirement .................................. 65 .
Component Inspection ........................................... 47 .
Special Repair Requirement .................................. 47 . C1147, C1148, C1149, C1150 USV/HSV LINE 66
...
C1115 WHEEL SENSOR .................................. 48
. Description ............................................................. 66
.
DTC Logic .............................................................. 66
.
Description ............................................................. 48
.
Diagnosis Procedure .............................................. 66 .
DTC Logic .............................................................. 48
.
Component Inspection ........................................... 67 .
Diagnosis Procedure ............................................. 48 .
Component Inspection ........................................... 50 . Special Repair Requirement .................................. 67 .
Special Repair Requirement .................................. 50 . C1154 PNP SWITCH ........................................ 69
.
C1116 STOP LAMP SWITCH ........................... 51
. Description ............................................................. 69
.
Description ............................................................. 51
. DTC Logic .............................................................. 69
.
DTC Logic .............................................................. 51
. Diagnosis Procedure .............................................. 69 .
Diagnosis Procedure ............................................. 51 . Component Inspection ........................................... 69 .
Component Inspection ........................................... 51 . Special Repair Requirement .................................. 70 .
Special Repair Requirement .................................. 52 . C1155 BRAKE FLUID LEVEL SWITCH .......... 71
.
C1120, C1122, C1124, C1126 IN ABS SOL .... 53
. Description ............................................................. 71
.
Description ............................................................. 53
. DTC Logic .............................................................. 71
.
DTC Logic .............................................................. 53
. Diagnosis Procedure .............................................. 71 .
Diagnosis Procedure ............................................. 53 . Component Inspection ........................................... 72 .
Component Inspection ........................................... 54 . Special Repair Requirement .................................. 72 .
Special Repair Requirement .................................. 54 . C1185 ICC UNIT ............................................... 73
.
C1121, C1123, C1125, C1127 OUT ABS SOL... 55 Description ............................................................. 73
.
Description ............................................................. 55
. DTC Logic .............................................................. 73
.
DTC Logic .............................................................. 55
. Diagnosis Procedure .............................................. 73 .
Diagnosis Procedure ............................................. 55 . Special Repair Requirement .................................. 73 .
Component Inspection ........................................... 56 . U1000 CAN COMM CIRCUIT ........................... 74
.
Special Repair Requirement .................................. 56 . Description ............................................................. 74
.
C1130 ENGINE SIGNAL .................................. 57
. DTC Logic .............................................................. 74
.
Diagnosis Procedure .............................................. 74 .
Description ............................................................. 57
.
Special Repair Requirement .................................. 74 .
DTC Logic .............................................................. 57
.
Diagnosis Procedure ............................................. 57 . U1100 CAN COMM CIRCUIT (ICC UNIT) ........ 75
.
Special Repair Requirement .................................. 57 . Description ............................................................. 75
.
C1142 PRESS SENSOR .................................. 58
. DTC Logic .............................................................. 75
.
Description ............................................................. 58
. Diagnosis Procedure .............................................. 75 .
DTC Logic .............................................................. 58
. Special Repair Requirement .................................. 75 .
Diagnosis Procedure ............................................. 58 . POWER SUPPLY AND GROUND CIRCUIT .... 76
.
Component Inspection ........................................... 58 . Description ............................................................. 76
.
Special Repair Requirement .................................. 59 . Diagnosis Procedure .............................................. 76 .
C1143 STEERING ANGLE SENSOR ............... 60
. PARKING BRAKE SWITCH ............................. 77
.
Description ............................................................. 60
. Component Function Check .................................. 77 .
DTC Logic .............................................................. 60
. Diagnosis Procedure .............................................. 77
.
Diagnosis Procedure ............................................. 60 . Component Inspection ........................................... 77
.
Component Inspection ........................................... 61 .
Revision: 2007 November BRC-2 2008 EX35
VDC OFF SWITCH ............................................79
. NORMAL OPERATING CONDITION ............. 103
Description ............................................................. 79
. Description ............................................................ 103
. A
Component Function Check ................................... 79 .
Diagnosis Procedure .............................................. 79. PRECAUTION ........................................... 104
.
Component Inspection ........................................... 80 . B
PRECAUTIONS ............................................... 104
ABS WARNING LAMP ......................................81
. Precaution for Supplemental Restraint System
Description ............................................................. 81
. (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
Component Function Check ................................... 81 . SIONER" .............................................................. 104
. C
Diagnosis Procedure .............................................. 81. Precaution for Brake System ................................ 104 .
Precaution for Brake Control ................................ 104 .
BRAKE WARNING LAMP ................................82
. Precautions for Harness Repair ........................... 105 . D
Description ............................................................. 82
.
Component Function Check ................................... 82 . PREPARATION ........................................ 106
.
Diagnosis Procedure .............................................. 82.
PREPARATION ............................................... 106 E
VDC OFF INDICATOR LAMP ...........................83
. Special Service Tool ............................................. 106
.
Description ............................................................. 83
. Commercial Service Tool ..................................... 106
.
Component Function Check ................................... 83 .
Diagnosis Procedure .............................................. 83. ON-VEHICLE REPAIR .............................. 107 BRC
.
SLIP INDICATOR LAMP ...................................84
. WHEEL SENSOR ............................................ 107
Description ............................................................. 84
. G
FRONT WHEEL SENSOR ...................................... 107 .
Component Function Check ................................... 84 .
FRONT WHEEL SENSOR : Exploded View ........ 107 .
Diagnosis Procedure .............................................. 84.
FRONT WHEEL SENSOR : Removal and Instal-
lation ..................................................................... 107
. H
ECU DIAGNOSIS ........................................ 85
.
REAR WHEEL SENSOR ........................................ 108 .
ABS ACTUATOR AND ELECTRIC UNIT
REAR WHEEL SENSOR : Exploded View ........... 108 . I
(CONTROL UNIT) .............................................85
. REAR WHEEL SENSOR : Removal and Installa-
Reference Value .................................................... 85. tion ........................................................................ 108
.
Wiring Diagram - BRAKE CONTROL SYSTEM -.... 90
Fail-Safe ................................................................. 94
. SENSOR ROTOR ............................................ 109 J
DTC No. Index ....................................................... 95
.
FRONT SENSOR ROTOR ...................................... 109 .
SYMPTOM DIAGNOSIS ............................. 97
. FRONT SENSOR ROTOR : Exploded View ........ 109 .
K
FRONT SENSOR ROTOR : Removal and Instal-
EXCESSIVE ABS FUNCTION OPERATION lation ..................................................................... 109
.
FREQUENCY ....................................................97
.
Diagnosis Procedure .............................................. 97
. REAR SENSOR ROTOR ........................................ 109 . L
REAR SENSOR ROTOR : Exploded View ........... 109 .
UNEXPECTED PEDAL REACTION .................98
. REAR SENSOR ROTOR : Removal and Installa-
Diagnosis Procedure .............................................. 98
. tion ........................................................................ 109
.
M
THE BRAKING DISTANCE IS LONG ...............99
. ABS ACTUATOR AND ELECTRIC UNIT
Diagnosis Procedure .............................................. 99
. (CONTROL UNIT) ........................................... 110
Exploded View ...................................................... 110
. N
ABS FUNCTION DOES NOT OPERATE ........ 100
. Removal and Installation ...................................... 110
.
Diagnosis Procedure ............................................ 100
.
YAW RATE/SIDE G SENSOR ........................ 112
PEDAL VIBRATION OR ABS OPERATION Exploded View ...................................................... 112
.
O
SOUND OCCURS ........................................... 101
. Removal and Installation ...................................... 112
.
Diagnosis Procedure ............................................ 101
.
STEERING ANGLE SENSOR ......................... 113 P
VEHICLE JERKS DURING VDC/TCS/ABS Exploded View ...................................................... 113
.
CONTROL ....................................................... 102
. Removal and Installation ...................................... 113
.
Diagnosis Procedure ............................................ 102
.
Revision: 2007 November BRC-3 2008 EX35
DIAGNOSIS AND REPAIR WORK FLOW
< BASIC INSPECTION > [VDC/TCS/ABS]
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow INFOID:0000000003132853
PRECAUTIONS FOR DIAGNOSIS
If steering angle sensor, steering system parts, suspension system parts, ABS actuator and electric unit (con-
trol unit) or tires have been replaced, or if wheel alignment has been adjusted, be sure to adjust neutral posi-
tion of steering angle sensor before driving. Refer to BRC-8, "ADJUSTMENT OF STEERING ANGLE
SENSOR NEUTRAL POSITION : Description".
Revision: 2007 November BRC-4 2008 EX35
DIAGNOSIS AND REPAIR WORK FLOW
< BASIC INSPECTION > [VDC/TCS/ABS]
OVERALL SEQUENCE
A
B
C
D
E
BRC
G
H
I
J
K
L
M
N
O
JSFIA0239GB
P
DETAILED FLOW
1.COLLECT THE INFORMATION FROM THE CUSTOMER
Get the detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurred) using the diagnosis work sheet. Refer to BRC-7, "Diagnostic Work Sheet".
>> GO TO 2.
Revision: 2007 November BRC-5 2008 EX35
DIAGNOSIS AND REPAIR WORK FLOW
< BASIC INSPECTION > [VDC/TCS/ABS]
2.PERFORM THE SELF-DIAGNOSIS
Check the DTC display with the self-diagnosis function.
Is there any DTC displayed?
YES >> GO TO 3.
NO >> GO TO 4.
3.PERFORM THE SYSTEM DIAGNOSIS
Perform the diagnosis applicable to the displayed DTC. Refer to BRC-95, "DTC No. Index".
>> GO TO 7.
4.CHECK THE SYMPTOM THAT IS NOT CONSIDERED A SYSTEM MALFUNCTION
Check that the symptom is a normal operation that is not considered a system malfunction. Refer to BRC-103,
"Description".
Is the symptom a normal operation?
YES >> INSPECTION END
NO >> GO TO 5.
5.CHECK THE WARNING LAMP AND INDICATOR LAMP FOR ILLUMINATION
Check that the warning lamp and indicator lamp illuminate.
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