Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Pathfinder 1999-2003 Approved Nissan Pathfinder 2000 BR
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EXIT
GI
BRAKE SYSTEM
MA
SECTION BR EM
LC
EC
FE
CONTENTS CL
PRECAUTIONS ...............................................................3 OPERATING CHECK ...............................................19
MT
Supplemental Restraint System (SRS) AIR AIRTIGHT CHECK ...................................................19
BAG and SEAT BELT PRE-TENSIONER...............3 Removal.....................................................................19
Precautions for Brake System.....................................3 Inspection...................................................................19 AT
Wiring Diagrams and Trouble Diagnoses....................4 OUTPUT ROD LENGTH CHECK ..............................19
PREPARATION ...............................................................5 Installation..................................................................20
Special Service Tools ..................................................5 VACUUM PIPING...........................................................21 TF
Commercial Service Tools ...........................................5 Vacuum Hose ............................................................21
NOISE, VIBRATION AND HARSHNESS (NVH) Removal and Installation ...........................................21
TROUBLESHOOTING .....................................................6 Inspection...................................................................21 PD
NVH Troubleshooting Chart.........................................6 HOSES AND CONNECTORS ...................................21
CHECK VALVE ........................................................21
ON-VEHICLE SERVICE ..................................................7 AX
FRONT DISC BRAKE ...................................................22
Checking Brake Fluid Level.........................................7
Components...............................................................22
Checking Brake Line ...................................................7
Pad Replacement ......................................................22 SU
Changing Brake Fluid ..................................................7
Removal.....................................................................23
Bleeding Brake System ...............................................8
Disassembly...............................................................24
BRAKE HYDRAULIC LINE .............................................9
Inspection...................................................................24
Hydraulic Circuit...........................................................9
CALIPER .................................................................24
Removal.....................................................................10
ROTOR ...................................................................24
Inspection...................................................................10 ST
Assembly ...................................................................25
Installation..................................................................10
Installation..................................................................25
PROPORTIONING VALVE (2WD) ................................11
Brake Burnishing Procedure......................................25
Inspection...................................................................11
REAR DRUM BRAKE ...................................................26 RS
Removal and Installation (Built-in type).....................11
Components...............................................................26
LOAD SENSING VALVE (4WD) ...................................12
Removal.....................................................................26 BT
Inspection...................................................................12
Inspection...................................................................27
Removal and Installation ...........................................12
WHEEL CYLINDER ..................................................27
BRAKE PEDAL AND BRACKET..................................14
Removal and Installation ...........................................14
Wheel Cylinder Overhaul...........................................28 HA
Inspection...................................................................28
Inspection...................................................................14 DRUM .....................................................................28
Adjustment .................................................................14 LINING ....................................................................28 SC
MASTER CYLINDER.....................................................16 Installation..................................................................28
Removal.....................................................................16 PARKING BRAKE CONTROL ......................................30
Disassembly...............................................................16 Components...............................................................30 EL
Inspection...................................................................17 Removal and Installation ...........................................30
Assembly ...................................................................17 Inspection...................................................................30
Installation..................................................................18
IDX
Adjustment .................................................................31
BRAKE BOOSTER........................................................19
On-vehicle Service.....................................................19
EXIT
CONTENTS (Cont'd)
ABS TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC
ITEMS.............................................................................55
DESCRIPTION ...............................................................32
Wheel Sensor or Rotor..............................................55
Purpose......................................................................32
DIAGNOSTIC PROCEDURE .....................................55
Operation ...................................................................32
ABS Actuator Solenoid Valve or Solenoid Valve
ABS Hydraulic Circuit ................................................32
Relay..........................................................................58
System Components .................................................33 DIAGNOSTIC PROCEDURE .....................................58
System Description....................................................33 Motor Relay or Motor.................................................60
SENSOR .................................................................33 DIAGNOSTIC PROCEDURE .....................................60
CONTROL UNIT (BUILT-IN ABS ACTUATOR AND
Low Voltage ...............................................................62
ELECTRIC UNIT) .....................................................33
DIAGNOSTIC PROCEDURE .....................................62
ABS ACTUATOR AND ELECTRIC UNIT ....................33
G Sensor and Circuit .................................................64
G SENSOR (4WD MODELS ONLY) ..........................34
DIAGNOSTIC PROCEDURE .....................................64
Component Parts and Harness Connector
ELECTRICAL COMPONENT INSPECTION ................66
Location .....................................................................35
Control Unit................................................................67
Schematic ..................................................................36 DIAGNOSTIC PROCEDURE .....................................67
Wiring Diagram - ABS - .............................................37 TROUBLE DIAGNOSES FOR SYMPTOMS .................68
ON BOARD DIAGNOSTIC SYSTEM 1. ABS Works Frequently ..........................................68
DESCRIPTION ...............................................................41 2. Unexpected Pedal Action ......................................68
Self-diagnosis ............................................................41 3. Long Stopping Distance ........................................70
FUNCTION ..............................................................41
4. ABS Does Not Work..............................................70
SELF-DIAGNOSIS PROCEDURE ..............................41
5. Pedal Vibration and Noise.....................................71
HOW TO READ SELF-DIAGNOSTIC RESULTS
6. Warning Lamp Does Not Come On When
(MALFUNCTION CODES) ........................................42
HOW TO ERASE SELF-DIAGNOSTIC RESULTS Ignition Switch Is Turned On .....................................72
(MALFUNCTION CODES) ........................................42 7. Warning Lamp Stays On When Ignition Switch
CONSULT ..................................................................43 Is Turned On..............................................................74
CONSULT APPLICATION TO ABS ............................43 REMOVAL AND INSTALLATION .................................77
ECU (ABS CONTROL UNIT) PART NUMBER Front Wheel Sensor...................................................77
MODE .....................................................................43 Rear Wheel Sensor ...................................................77
CONSULT Inspection Procedure...............................44 Front Sensor Rotor ....................................................78
SELF-DIAGNOSIS PROCEDURE ..............................44 REMOVAL ...............................................................78
SELF-DIAGNOSTIC RESULTS MODE.......................45 INSTALLATION........................................................78
DATA MONITOR PROCEDURE ................................46 Rear Sensor Rotor.....................................................78
ACTIVE TEST PROCEDURE ....................................47 REMOVAL ...............................................................78
DATA MONITOR MODE ...........................................48 INSTALLATION........................................................78
ACTIVE TEST MODE ...............................................48 G Sensor....................................................................78
TROUBLE DIAGNOSIS - INTRODUCTION..................49 ABS Actuator and Electric Unit..................................79
How to Perform Trouble Diagnoses for Quick REMOVAL ...............................................................79
and Accurate Repair ..................................................49 INSTALLATION........................................................79
INTRODUCTION ......................................................49
TROUBLE DIAGNOSIS - BASIC INSPECTION ...........50 SERVICE DATA AND SPECIFICATIONS (SDS) .........80
Preliminary Check......................................................50 General Specifications...............................................80
Ground Circuit Check ................................................53 Disc Brake .................................................................80
ABS ACTUATOR AND ELECTRIC UNIT GROUND.....53 Drum Brake................................................................80
TROUBLE DIAGNOSIS - GENERAL Brake Pedal ...............................................................80
DESCRIPTION ...............................................................54 Parking Brake Control ...............................................81
Malfunction Code/Symptom Chart.............................54
BR-2
EXIT
PRECAUTIONS
Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
Supplemental Restraint System (SRS) "AIR GI
BAG" and "SEAT BELT PRE-TENSIONER" NABR0120
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER" used along with
a seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of
MA
collision. The SRS system composition which is available to NISSAN MODEL R50 is as follows:
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