Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Murano 2003-2007.2009 Approved Nissan Murano 2003 brc
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BRAKE CONTROL SYSTEM
F BRAKES
A
SECTION
BRAKE CONTROL SYSTEM
BRC B
C
D
E
CONTENTS
ABS REFERENCE VALUE FROM CONSULT-II ........ 40 . BRC
CONSULT- II Functions ......................................... 41 .
PRECAUTIONS ......................................................... 4
. CONSULT-II MAIN FUNCTION .......................... 41 .
Precautions for Brake System ................................. 4 . CONSULT-II BASIC OPERATION PROCEDURE G
Precautions for Brake Control ................................. 4 . ... 41
Diagnosis Precaution .............................................. 4
. SELF-DIAGNOSIS ............................................. 43 .
CAN SYSTEM ...................................................... 4
. DATA MONITOR ................................................ 45 .
PREPARATION .......................................................... 5
. H
ACTIVE TEST .................................................... 47 .
Commercial Service Tools ....................................... 5. For Fast and Accurate Diagnosis .......................... 49 .
SYSTEM DESCRIPTION ........................................... 6 . PRECAUTIONS FOR DIAGNOSIS .................... 49 .
System Diagram ...................................................... 6
. Basic Inspection .................................................... 50 . I
System Component Parts ....................................... 6 . BASIC INSPECTION 1 BRAKE FLUID LEVEL,
ABS Function .......................................................... 7
. LEAKS, AND BRAKE PADS ............................... 50 .
EBD Function .......................................................... 7
. BASIC INSPECTION 2 POWER SYSTEM TER- J
Fail-Safe Function ................................................... 7
. MINAL LOOSENESS AND BATTERY INSPEC-
ABS, EBD SYSTEM ............................................. 7 . TION ................................................................... 50
.
Hydraulic Circuit Diagram ....................................... 8
. BASIC INSPECTION 3 ABS WARNING LAMP
CAN COMMUNICATION ........................................... 9 . K
INSPECTION ..................................................... 50 .
System Description ................................................. 9
. Inspection 1 Wheel Sensor System ....................... 51 .
CAN Communication Unit For 2WD Models ........... 9 . Inspection 2 ABS Actuator and Electric Unit (Control
TYPE 1/TYPE 2/TYPE 3/TYPE 4/TYPE 5/TYPE Unit) ....................................................................... 54
. L
6/TYPE 7/TYPE 8 .............................................. 10
. Inspection 3 Solenoid Valve System ..................... 55 .
TYPE 9/TYPE10/TYPE 11/TYPE 12/TYPE 13/ Inspection 4 CAN Communication Lines ............... 56 .
TYPE 14/TYPE 15/TYPE 16 .............................. 15 . Inspection 5 Actuator Motor, Motor Relay, and Cir- M
CAN Communication Unit For AWD Models ......... 20 . cuit ......................................................................... 56
.
TYPE 17/TYPE 18/TYPE 19/TYPE 20/TYPE 21/ Inspection 6 ABS Actuator and Electric Unit (Control
TYPE 22/TYPE 23/TYPE 24 .............................. 20 . Unit) Power Supply and Ground Circuit ................. 57 .
TYPE 25/TYPE26/TYPE 27/TYPE 28/TYPE 29/ Inspection 7 G Sensor System .............................. 59 .
TYPE 30/TYPE 31/TYPE 32 .............................. 26 . Symptom 1 Excessive ABS Function Operation Fre-
TROUBLE DIAGNOSIS ........................................... 31 . quency ................................................................... 60
.
How to Perform Trouble Diagnosis for Quick and Symptom 2 Unexpected Pedal Action ................... 60 .
Accurate Repair .................................................... 31
. Symptom 3 Long Stopping Distance ..................... 61 .
INTRODUCTION ................................................ 31. Symptom 4 ABS Function Dose Not Operate ....... 62 .
DIAGNOSIS FLOWCHART ............................... 32 . Symptom 5 Pedal Vibration or ABS Operation
ASKING COMPLAINTS ..................................... 33 . Sound Occurs ........................................................ 62 .
EXAMPLE OF DIAGNOSIS SHEET .................. 33 . WHEEL SENSORS .................................................. 64 .
Component Installation Location ........................... 34 . Removal and Installation ....................................... 64 .
Schematic -- ABS -- ............................................ 35
. REMOVAL .......................................................... 64 .
Wiring Diagram -- ABS -- .................................... 36 . INSTALLATION .................................................. 64 .
Control Unit Input/Output Signal Standard ............ 40 .
Revision; 2004 April BRC-1 2003 Murano
SENSOR ROTOR ..................................................... 65
. REFERENCE VALUE FROM CONSULT-II ....... 109 .
Removal and Installation ....................................... 65
. CONSULT-II Functions ........................................ 112 .
REMOVAL .......................................................... 65
. CONSULT-II MAIN FUNCTION ........................ 112 .
INSTALLATION ................................................... 65
. CONSULT-II BASIC OPERATION PROCEDURE
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)... 66 . 112
Removal and Installation ....................................... 66
. SELF-DIAGNOSIS ............................................ 114 .
DATA MONITOR ............................................... 118 .
VDC/TCS/ABS ACTIVE TEST ................................................... 120 .
For Fast and Accurate Diagnosis ......................... 122 .
PRECAUTIONS ........................................................ 67 . PRECAUTIONS FOR DIAGNOSIS .................. 122 .
Precautions for Supplemental Restraint System Basic Inspection ................................................... 123 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- BASIC INSPECTION 1 BRAKE FLUID LEVEL,
SIONER" ................................................................ 67. LEAKS, AND BRAKE PADS ............................. 123 .
Precautions for Brake System ............................... 67 . BASIC INSPECTION 2 POWER SYSTEM TER-
Precautions for Brake Control ............................... 67 . MINAL LOOSENESS AND BATTERY INSPEC-
Diagnosis Precaution ............................................. 68 . TION ................................................................. 123
.
CAN SYSTEM .................................................... 68 . BASIC INSPECTION 3 ABS WARNING LAMP,
Precaution for Harness Repair .............................. 68 . VDC OFF INDICATOR LAMP, SLIP INDICATOR
CAN SYSTEM .................................................... 68 . LAMP INSPECTION ......................................... 123 .
PREPARATION ........................................................ 69 . Inspection 1 Wheel Sensor System ..................... 125 .
Commercial Service Tools ..................................... 69 . Inspection 2 Engine System ................................ 127 .
ON-VEHICLE SERVICE ........................................... 70 . Inspection 3 VDC/TCS/ABS Control Unit System .128
Adjustment of Steering Angle Sensor Neutral Posi- Inspection 4 Pressure Sensor System ................. 129 .
tion ......................................................................... 70
. Inspection 5 Steering Angle Sensor System ........ 131 .
Calibration of Decel G Sensor ............................... 71 . Inspection 6 Yaw Rate/Side/Decel G sensor System
SYSTEM DESCRIPTION ......................................... 72 . .132
System Diagram .................................................... 72 . Inspection 7 Solenoid and VDC Change-Over Valve
System Component Parts ...................................... 73 . System ................................................................. 134
.
VDC Function ........................................................ 73 . Inspection 8 Actuator Motor, Motor Relay, and Cir-
TCS Function ......................................................... 74 . cuit ....................................................................... 135
.
ABS Function ......................................................... 74 . Inspection 9 ABS Actuator and Electric Unit (Control
EBD Function ........................................................ 74 . Unit) Power Supply and Ground Circuit ............... 136 .
Fail-Safe Function ................................................. 74 . Inspection 10 Stop Lamp Switch System ............. 137 .
VDC/TCS SYSTEM ............................................ 74 . Inspection 11 Brake Fluid Level Sensor System .. 138 .
ABS, EBD SYSTEM ........................................... 74 . Inspection 12 When "ST ANG SEN SIGNAL"
Hydraulic Circuit Diagram ...................................... 75 . Appears on Self-Diagnosis Results Display ......... 139 .
CAN COMMUNICATION .......................................... 76 . Inspection 13 CAN Communication System ........ 139 .
System Description ................................................ 76 . Inspection 14 When "DECEL G SEN SET" Appears
CAN Communication Unit For 2WD Models .......... 76 . on Self-Diagnosis Results Display ....................... 140 .
TYPE 1/TYPE 2/TYPE 3/TYPE 4/TYPE 5/TYPE Inspection 15 When "ESTM VEH SPD SIG" Appears
6/TYPE 7/TYPE 8 ............................................... 77 . on Self-Diagnosis Results Display ....................... 140 .
TYPE 9/TYPE10/TYPE 11/TYPE 12/TYPE 13/ Inspection 16 VDC OFF Indicator Lamp Dose Not
TYPE 14/TYPE 15/TYPE 16 .............................. 82 . Illuminate .............................................................. 140
.
CAN Communication Unit For AWD Models ......... 87 . Component Inspection ......................................... 141 .
TYPE 17/TYPE 18/TYPE 19/TYPE 20/TYPE 21/ VDC OFF SWITCH ........................................... 141 .
TYPE 22/TYPE 23/TYPE 24 .............................. 87 . Symptom 1 Excessive ABS Function Operation Fre-
TYPE 25/TYPE26/TYPE 27/TYPE 28/TYPE 29/ quency ................................................................. 141
.
TYPE 30/TYPE 31/TYPE 32 .............................. 93 . Symptom 2 Unexpected Pedal Reaction ............. 141 .
TROUBLE DIAGNOSIS ........................................... 98 . Symptom 3 The Braking Distance Is Long ........... 142 .
How to Perform Trouble Diagnosis for Quick and Symptom 4 ABS Function Does Not Operate ...... 143 .
Accurate Repair ..................................................... 98 . Symptom 5 Pedal Vibration or ABS Operation
INTRODUCTION ................................................ 98 . Sound Occurs ...................................................... 143 .
DIAGNOSIS FLOWCHART ................................ 99 . Symptom 6 Vehicle Jerks During VDC/TCS/ABS
ASKING COMPLAINTS .................................... 100 . Control ................................................................. 144
.
EXAMPLE OF DIAGNOSIS SHEET ................. 100 . WHEEL SENSORS ................................................ 146 .
Component Installation Location ......................... 101 . Removal and Installation ...................................... 146 .
Schematic ............................................................ 102 . REMOVAL ......................................................... 146 .
Wiring Diagram -- VDC -- .................................. 103 . INSTALLATION ................................................. 146 .
Control Unit Input/Output Signal Standard ........... 109 .
Revision; 2004 April BRC-2 2003 Murano
SENSOR ROTOR .................................................. 147
. G SENSOR ............................................................. 150
.
Removal and Installation ..................................... 147
. Removal and Installation ..................................... 150 . A
REMOVAL ........................................................ 147
. REMOVAL ........................................................ 150
.
INSTALLATION ................................................ 147
. INSTALLATION ................................................ 150 .
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY). 148 STEERING ANGLE SENSOR ............................... 151 . B
Removal and Installation ..................................... 148
. Removal and Installation ..................................... 151 .
C
D
E
BRC
G
H
I
J
K
L
M
Revision; 2004 April BRC-3 2003 Murano
PRECAUTIONS
[ABS]
PRECAUTIONS
[ABS] PFP:00001
Precautions for Brake System AFS001ZN
q Recommended fluid is brake fluid "DOT 3".
q Do not reuse drained brake fluid.
q Be careful not to splash brake fluid on painted areas.
q To clean or wash all parts of master cylinder, disc brake caliper and wheel cylinder, use clean brake fluid.
q Never use mineral oils such as gasoline or kerosene. They will ruin rubber parts of the hydraulic system.
q Use flare nut wrench when removing and installing brake tube.
q Always torque brake lines when installing.
q Before working, turn ignition switch OFF and disconnect electri-
cal connectors of ABS actuator and electric control unit or bat-
tery terminals.
q Burnish the brake contact surfaces after refinishing or replacing
drums or rotors, after replacing pads or linings, or if a soft pedal
occurs at very low mileage.
Refer to BR-32, "BRAKE BURNISHING PROCEDURE" .
WARNING: SBR686C
Clean brake pads and shoes with a waste cloth, then wipe with
a dust collector.
Precautions for Brake Control AFS0018B
q During ABS operation, brake pedal lightly vibrates and a mechanical noise may be heard. This is normal.
q Just after starting vehicle after ignition switch ON, brake pedal may vibrate or motor operating noise may
be heard from engine compartment. This is a normal status of operation check.
q Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel,
or snow-covered (fresh, deep snow) roads.
q When an error is indicated by ABS or another warning lamp, collect all necessary information from cus-
tomer (what symptoms are present under what conditions) and check for simple causes before starting
diagnostic servicing. Besides electrical system inspection, check brake booster operation, brake fluid
level, and fluid leaks.
q If tire size and type are used in an improper combination, or brake pads are not Genuine NISSAN parts,
stopping distance or steering stability may deteriorate.
q If there is a radio, antenna, or antenna lead-in wire (including wiring) near control module, ABS function
may have a malfunction or error.
q If aftermarket parts (car stereo, CD player, etc.) have been installed, check for incidents such as harness
pinches, open circuits, and improper wiring.
Diagnosis Precaution AFS0018C
CAN SYSTEM
q Do not apply voltage of 7.0V or higher to terminal to be measured.
q Maximum open terminal voltage of tester in use shall be 7.0V or lower.
q Before checking harnesses, turn ignition switch OFF and disconnect battery negative cable.
Revision; 2004 April BRC-4 2003 Murano
PREPARATION
[ABS]
PREPARATION PFP:00002
A
Commercial Service Tools AFS0018E
Tool name Description
B
1.Flare nut crowfoot
a: 10mm (0.39 in) Removing and installing each brake piping C
2.Torque wrench
S-NT360
D
E
BRC
G
H
I
J
K
L
M
Revision; 2004 April BRC-5 2003 Murano
SYSTEM DESCRIPTION
[ABS]
SYSTEM DESCRIPTION PFP:00000
System Diagram AFS0018F
PFIA0462E
System Component Parts AFS0018G
PFIA0416E
1. Sensor rotor (FR) 2. Wheel sensor (FR) 3. Wheel sensor (FL)
4. Sensor rotor (FL) 5. Brake booster and Master cylinder 6. ABS actuator and electric unit
(control unit)
7. Sensor rotor (RR) 8. Wheel sensor (RR) 9. Wheel sensor (RL)
10. Sensor rotor (RL) 11. Combination meter
[Brake warning lamp,
ABS warning lamp]
Revision; 2004 April BRC-6 2003 Murano
SYSTEM DESCRIPTION
[ABS]
ABS Function AFS0018H
A
q The Anti-Lock Brake System is a function that detects wheel revolution while braking, and it improves
handling stability during sudden braking by electrically preventing 4 wheel lock. Maneuverability is also
improved for avoiding obstacles.
q If the electrical system breaks down, then Fail-Safe function is activated, ABS becomes inoperative, and B
ABS warning lamp turns on.
q Electrical System Diagnosis by CONSULT-II is available.
C
q During ABS operation, brake pedal lightly vibrates and a mechanical noise may be heard. This is normal.
q Just after starting vehicle after ignition switch ON, brake pedal may vibrate or motor operating noise may
be heard from engine compartment. This is a normal status of operation check.
D
q Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel,
or snow-covered (fresh, deep snow) roads.
EBD Function AFS0018I E
q Electronic Brake Distributor is a function that detects subtle slippages between front and rear wheels dur-
ing braking, and it improves handling stability by electronically controlling Brake Fluid Pressure which
results in reduced rear wheel slippage. BRC
q In case of electrical system break down, Fail-Safe function is activated, EBD and ABS becomes inopera-
tive, and ABS warning lamp and brake warning lamp are turned on.
q Electrical System Diagnosis by CONSULT-II is available. G
q During EBD operation, brake pedal lightly vibrates and a mechanical noise may be heard. This is normal.
q Just after starting vehicle after ignition switch ON, brake pedal may vibrate or motor operating noise may
be heard from engine compartment. This is a normal status of operation check. H
q Stopping distance may be longer than that of vehicles without EBD when vehicle drives on rough, gravel,
or snow-covered (fresh, deep snow) roads.
I
Fail-Safe Function AFS0018J
ABS, EBD SYSTEM
In case of electrical problems with ABS, ABS warning lamp will turn on. In case of electrical problem with EBD,
Brake warning lamp and ABS warning lamp will turn on. Simultaneously, ABS become one of following condi- J
tions of Fail-Safe function.
1. For ABS trouble, only EBD is activated and condition of vehicle is same condition of vehicles without ABS
system. K
2. For EBD trouble, EBD and ABS become inoperative, and condition of vehicle is same as condition of vehi-
cles without ABS, EBD system.
NOTE: L
In step 1 shown above, self-diagnosis when ignition switch is turned ON and when vehicle starts at initial time
is carried out. ABS self-diagnosis noise may be hard as usual.
M
Revision; 2004 April BRC-7 2003 Murano
SYSTEM DESCRIPTION
[ABS]
Hydraulic Circuit Diagram AFS0018K
PFIA0422E
Revision; 2004 April BRC-8 2003 Murano
CAN COMMUNICATION
[ABS]
CAN COMMUNICATION PFP:23710
A
System Description AFS00213
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec- B
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only. C
CAN Communication Unit For 2WD Models AFS00214
Body type Wagon D
Axle 2WD
Engine VQ35DE
E
Transmission CVT
Brake control ABS VDC
Low tire pressure warning BRC
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