Nissan 2000 Brake system pathfinder

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Nissan 2000 Brake system pathfinder

Text of Nissan 2000 Brake system pathfinder

  • BRAKE SYSTEM

    SECTIONBRCONTENTS

    PRECAUTIONS ...............................................................3Supplemental Restraint System (SRS) AIRBAG and SEAT BELT PRE-TENSIONER ...............3Precautions for Brake System.....................................3Wiring Diagrams and Trouble Diagnoses....................4

    PREPARATION ...............................................................5Special Service Tools ..................................................5Commercial Service Tools ...........................................5

    NOISE, VIBRATION AND HARSHNESS (NVH)TROUBLESHOOTING .....................................................6

    NVH Troubleshooting Chart.........................................6ON-VEHICLE SERVICE ..................................................7

    Checking Brake Fluid Level.........................................7Checking Brake Line ...................................................7Changing Brake Fluid ..................................................7Bleeding Brake System ...............................................8

    BRAKE HYDRAULIC LINE .............................................9Hydraulic Circuit...........................................................9Removal.....................................................................10Inspection...................................................................10Installation..................................................................10

    PROPORTIONING VALVE (2WD) ................................11Inspection...................................................................11Removal and Installation (Built-in type).....................11

    LOAD SENSING VALVE (4WD) ...................................12Inspection...................................................................12Removal and Installation ...........................................12

    BRAKE PEDAL AND BRACKET..................................14Removal and Installation ...........................................14Inspection...................................................................14Adjustment .................................................................14

    MASTER CYLINDER.....................................................16Removal.....................................................................16Disassembly...............................................................16Inspection...................................................................17Assembly ...................................................................17Installation..................................................................18

    BRAKE BOOSTER........................................................19On-vehicle Service.....................................................19

    OPERATING CHECK ...............................................19AIRTIGHT CHECK ...................................................19

    Removal.....................................................................19Inspection...................................................................19

    OUTPUT ROD LENGTH CHECK ..............................19Installation..................................................................20

    VACUUM PIPING...........................................................21Vacuum Hose ............................................................21Removal and Installation ...........................................21Inspection...................................................................21

    HOSES AND CONNECTORS ...................................21CHECK VALVE........................................................21

    FRONT DISC BRAKE ...................................................22Components...............................................................22Pad Replacement ......................................................22Removal.....................................................................23Disassembly...............................................................24Inspection...................................................................24

    CALIPER.................................................................24ROTOR...................................................................24

    Assembly ...................................................................25Installation..................................................................25Brake Burnishing Procedure......................................25

    REAR DRUM BRAKE ...................................................26Components...............................................................26Removal.....................................................................26Inspection...................................................................27

    WHEEL CYLINDER..................................................27Wheel Cylinder Overhaul...........................................28Inspection...................................................................28

    DRUM.....................................................................28LINING....................................................................28

    Installation..................................................................28PARKING BRAKE CONTROL ......................................30

    Components...............................................................30Removal and Installation ...........................................30Inspection...................................................................30Adjustment .................................................................31

    GI

    MA

    EM

    LC

    EC

    FE

    CL

    MT

    AT

    TF

    PD

    AX

    SU

    ST

    RS

    BT

    HA

    SC

    EL

    IDX

    EXITEXIT

  • ABS

    DESCRIPTION ...............................................................32Purpose......................................................................32Operation ...................................................................32ABS Hydraulic Circuit ................................................32System Components .................................................33System Description....................................................33

    SENSOR.................................................................33CONTROL UNIT (BUILT-IN ABS ACTUATOR ANDELECTRIC UNIT).....................................................33ABS ACTUATOR AND ELECTRIC UNIT....................33G SENSOR (4WD MODELS ONLY) ..........................34

    Component Parts and Harness ConnectorLocation .....................................................................35Schematic ..................................................................36Wiring Diagram - ABS - .............................................37

    ON BOARD DIAGNOSTIC SYSTEMDESCRIPTION ...............................................................41

    Self-diagnosis ............................................................41FUNCTION..............................................................41SELF-DIAGNOSIS PROCEDURE..............................41HOW TO READ SELF-DIAGNOSTIC RESULTS(MALFUNCTION CODES) ........................................42HOW TO ERASE SELF-DIAGNOSTIC RESULTS(MALFUNCTION CODES) ........................................42

    CONSULT ..................................................................43CONSULT APPLICATION TO ABS ............................43ECU (ABS CONTROL UNIT) PART NUMBERMODE.....................................................................43

    CONSULT Inspection Procedure...............................44SELF-DIAGNOSIS PROCEDURE..............................44SELF-DIAGNOSTIC RESULTS MODE.......................45DATA MONITOR PROCEDURE................................46ACTIVE TEST PROCEDURE ....................................47DATA MONITOR MODE...........................................48ACTIVE TEST MODE ...............................................48

    TROUBLE DIAGNOSIS - INTRODUCTION..................49How to Perform Trouble Diagnoses for Quickand Accurate Repair ..................................................49

    INTRODUCTION......................................................49TROUBLE DIAGNOSIS - BASIC INSPECTION ...........50

    Preliminary Check......................................................50Ground Circuit Check ................................................53

    ABS ACTUATOR AND ELECTRIC UNIT GROUND.....53TROUBLE DIAGNOSIS - GENERALDESCRIPTION ...............................................................54

    Malfunction Code/Symptom Chart.............................54

    TROUBLE DIAGNOSES FOR SELF-DIAGNOSTICITEMS.............................................................................55

    Wheel Sensor or Rotor..............................................55DIAGNOSTIC PROCEDURE.....................................55

    ABS Actuator Solenoid Valve or Solenoid ValveRelay..........................................................................58

    DIAGNOSTIC PROCEDURE.....................................58Motor Relay or Motor.................................................60

    DIAGNOSTIC PROCEDURE.....................................60Low Voltage ...............................................................62

    DIAGNOSTIC PROCEDURE.....................................62G Sensor and Circuit .................................................64

    DIAGNOSTIC PROCEDURE.....................................64ELECTRICAL COMPONENT INSPECTION................66

    Control Unit................................................................67DIAGNOSTIC PROCEDURE.....................................67

    TROUBLE DIAGNOSES FOR SYMPTOMS .................681. ABS Works Frequently ...................................