Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Pathfinder 1999-2003 Approved Nissan Pathfinder 2001 br
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GI
BRAKE SYSTEM
MA
SECTION BR EM
LC
EC
FE
CONTENTS CL
PRECAUTIONS ...............................................................4 Disassembly...............................................................20
MT
Supplemental Restraint System (SRS) AIR Inspection...................................................................21
BAG and SEAT BELT PRE-TENSIONER...............4 Assembly ...................................................................21
Precautions for Brake System.....................................4 Installation..................................................................22 AT
Wiring Diagrams and Trouble Diagnoses....................5 BRAKE BOOSTER........................................................23
PREPARATION ...............................................................6 On-vehicle Service.....................................................23
Special Service Tools ..................................................6 OPERATING CHECK ...............................................23 TF
Commercial Service Tools ...........................................6 AIRTIGHT CHECK ...................................................23
NOISE, VIBRATION AND HARSHNESS (NVH) Removal.....................................................................23
TROUBLESHOOTING .....................................................7 Inspection...................................................................23 PD
NVH Troubleshooting Chart.........................................7 OUTPUT ROD LENGTH CHECK ..............................23
ON-VEHICLE SERVICE ..................................................8 Installation..................................................................24
VACUUM PIPING...........................................................25
AX
Checking Brake Fluid Level.........................................8
Checking Brake Line ...................................................8 Vacuum Hose ............................................................25
Changing Brake Fluid ..................................................8 Removal and Installation ...........................................25 SU
Bleeding Brake System ...............................................9 Inspection...................................................................25
BRAKE HYDRAULIC LINE ...........................................10 HOSES AND CONNECTORS ...................................25
CHECK VALVE ........................................................25
Hydraulic Circuit.........................................................10
FRONT DISC BRAKE ...................................................26
Removal.....................................................................11
Components...............................................................26
Inspection...................................................................11 ST
Pad Replacement ......................................................26
Installation..................................................................11
Removal.....................................................................27
PROPORTIONING VALVE (2WD) ................................12
Disassembly...............................................................28
Inspection...................................................................12 RS
Inspection...................................................................28
Removal and Installation (Built-in type).....................12
CALIPER .................................................................28
LOAD SENSING VALVE (4WD) ...................................13
ROTOR ...................................................................28 BT
Inspection...................................................................13
Assembly ...................................................................29
Removal and Installation ...........................................13
Installation..................................................................29
BRAKE PEDAL AND BRACKET..................................15
Removal and Installation ...........................................15
Brake Burnishing Procedure......................................29 HA
REAR DRUM BRAKE ...................................................30
Inspection...................................................................15
Components...............................................................30
Adjustment .................................................................15
Removal.....................................................................30 SC
MASTER CYLINDER (TOKICO) ...................................17
Inspection...................................................................31
Removal.....................................................................17
WHEEL CYLINDER ..................................................31
Disassembly...............................................................17 Wheel Cylinder Overhaul...........................................32
EL
Inspection...................................................................18 Inspection...................................................................32
Assembly ...................................................................18 DRUM .....................................................................32
Installation..................................................................19
IDX
LINING ....................................................................32
MASTER CYLINDER (NABCO) ....................................20 Installation..................................................................32
Removal.....................................................................20
CONTENTS (Cont'd)
PARKING BRAKE CONTROL ......................................34 DATA MONITOR MODE (INITIAL PRODUCTION
Components...............................................................34 MODELS) ................................................................61
Removal and Installation ...........................................34 ACTIVE TEST MODE ...............................................61
Inspection...................................................................34 DATA MONITOR MODE (EXCEPT FOR INITIAL
PRODUCTION MODELS) .........................................62
Adjustment .................................................................35
ACTIVE TEST MODE ...............................................62
TROUBLE DIAGNOSIS - INTRODUCTION..................63
ABS
How to Perform Trouble Diagnoses for Quick
DESCRIPTION ...............................................................36 and Accurate Repair ..................................................63
Purpose......................................................................36 INTRODUCTION ......................................................63
Operation ...................................................................36 TROUBLE DIAGNOSIS - BASIC INSPECTION ...........64
ABS Hydraulic Circuit ................................................36 Preliminary Check......................................................64
System Components .................................................37 Ground Circuit Check ................................................67
System Description....................................................37 ABS ACTUATOR AND ELECTRIC UNIT GROUND.....67
SENSOR .................................................................37 TROUBLE DIAGNOSIS - GENERAL
CONTROL UNIT (BUILT-IN ABS ACTUATOR AND DESCRIPTION ...............................................................68
ELECTRIC UNIT) .....................................................37 Malfunction Code/Symptom Chart (Initial
ABS ACTUATOR AND ELECTRIC UNIT ....................37 Production Models)....................................................68
G SENSOR (4WD MODELS ONLY) ..........................38 Malfunction Code/Symptom Chart (Except for
Component Parts and Harness Connector Initial Production Models) ..........................................70
Location (Initial Production Models) ..........................39 TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC
Component Parts and Harness Connector ITEMS.............................................................................72
Location (Except for Initial Production Models).........40 Wheel Sensor or Rotor..............................................72
Schematic (Initial Production Models) .......................41 DIAGNOSTIC PROCEDURE .....................................72
Wiring Diagram (Initial Production Models) - ABS ABS Actuator Solenoid Valve or Solenoid Valve
-..................................................................................42 Relay..........................................................................75
Schematic (Except for Initial Production Models) .....46 DIAGNOSTIC PROCEDURE .....................................75
Wiring Diagram (Except for Initial Production Motor Relay or Motor.................................................77
Models) - ABS - .........................................................47 DIAGNOSTIC PROCEDURE .....................................77
ON BOARD DIAGNOSTIC SYSTEM Low Voltage ...............................................................79
DESCRIPTION ...............................................................51 DIAGNOSTIC PROCEDURE .....................................79
Self-diagnosis ............................................................51 G Sensor and Circuit .................................................81
FUNCTION ..............................................................51 DIAGNOSTIC PROCEDURE (INITIAL
SELF-DIAGNOSIS PROCEDURE ..............................51 PRODUCTION MODELS) .........................................81
HOW TO READ SELF-DIAGNOSTIC RESULTS DIAGNOSTIC PROCEDURE (EXCEPT FOR
(MALFUNCTION CODES) ........................................52 INITIAL PRODUCTION MODELS) .............................83
HOW TO ERASE SELF-DIAGNOSTIC RESULTS Control Unit................................................................85
(MALFUNCTION CODES) ........................................52 DIAGNOSTIC PROCEDURE .....................................85
CONSULT-II ...............................................................53 TROUBLE DIAGNOSES FOR SYMPTOMS .................86
CONSULT-II APPLICATION TO ABS (INITIAL 1. ABS Works Frequently ..........................................86
PRODUCTION MODELS) .........................................53 2. Unexpected Pedal Action ......................................86
ECU (ABS CONTROL UNIT) PART NUMBER 3. Long Stopping Distance ........................................88
MODE .....................................................................53 4. ABS Does Not Work..............................................88
CONSULT-II APPLICATION TO ABS (EXCEPT 5. Pedal Vibration and Noise.....................................89
FOR INITIAL PRODUCTION MODELS) .....................53 6. Warning Lamp Does Not Come On When
ECU (ABS CONTROL UNIT) PART NUMBER
Ignition Switch Is Turned On .....................................90
MODE .....................................................................54
7. Warning Lamp Stays On When Ignition Switch
CONSULT-II Inspection Procedure............................55
Is Turned On..............................................................92
SELF-DIAGNOSIS PROCEDURE ..............................55
SELF-DIAGNOSTIC RESULTS MODE (INITIAL
8. Vehicle Vibrates Excessively When ABS Is
PRODUCTION MODELS) .........................................56 Operating ...................................................................95
SELF-DIAGNOSTIC RESULTS MODE (EXCEPT REMOVAL AND INSTALLATION .................................98
FOR INITIAL PRODUCTION MODELS) .....................57 Front Wheel Sensor...................................................98
DATA MONITOR PROCEDURE ................................59 Rear Wheel Sensor ...................................................98
ACTIVE TEST PROCEDURE ....................................60 Front Sensor Rotor ....................................................99
BR-2
CONTENTS (Cont'd) GI
REMOVAL ...............................................................99
INSTALLATION........................................................99 SERVICE DATA AND SPECIFICATIONS (SDS) .......101 MA
Rear Sensor Rotor.....................................................99 General Specifications.............................................101
REMOVAL ...............................................................99 Disc Brake ...............................................................101
INSTALLATION........................................................99 Drum Brake..............................................................101 EM
G Sensor....................................................................99 Brake Pedal .............................................................101
ABS Actuator and Electric Unit................................100 Parking Brake Control .............................................102
REMOVAL .............................................................100 LC
INSTALLATION......................................................100
EC
FE
CL
MT
AT
TF
PD
AX
SU
ST
RS
BT
HA
SC
EL
IDX
BR-3
PRECAUTIONS
Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
Supplemental Restraint System (SRS) "AIR
BAG" and "SEAT BELT PRE-TENSIONER" NABR0146
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
collision. The SRS system composition which is available to NISSAN MODEL R50 is as follows:
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