Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Pathfinder 2004-2007 Approved Nissan Pathfinder 2004 br
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GI
BRAKE SYSTEM
MA
SECTION BR EM
LC
EC
FE
CONTENTS CL
PRECAUTIONS ...............................................................4 Installation..................................................................18
MT
Supplemental Restraint System (SRS) AIR BRAKE BOOSTER........................................................19
BAG and SEAT BELT PRE-TENSIONER...............4 On-vehicle Service.....................................................19
Precautions for SRS Air Bag and SEAT BELT OPERATING CHECK ...............................................19 AT
PRE-TENSIONER Service.........................................4 AIRTIGHT CHECK ...................................................19
Precautions for Brake System.....................................4 Removal.....................................................................19
Wiring Diagrams and Trouble Diagnoses....................5 Inspection...................................................................19 TF
PREPARATION ...............................................................6 OUTPUT ROD LENGTH CHECK ..............................19
Special Service Tools ..................................................6 Installation..................................................................20
Commercial Service Tools ...........................................6 VACUUM PIPING...........................................................21 PD
NOISE, VIBRATION AND HARSHNESS (NVH) Vacuum Hose ............................................................21
TROUBLESHOOTING .....................................................7 Removal and Installation ...........................................21
Inspection...................................................................21
AX
NVH Troubleshooting Chart.........................................7
ON-VEHICLE SERVICE ..................................................8 HOSES AND CONNECTORS ...................................21
CHECK VALVE ........................................................21 SU
Checking Brake Fluid Level.........................................8
FRONT DISC BRAKE ...................................................22
Checking Brake Line ...................................................8
Components...............................................................22
Changing Brake Fluid ..................................................8
Pad Replacement ......................................................22
Bleeding Brake System ...............................................9
Removal.....................................................................23
BRAKE HYDRAULIC LINE ...........................................10
Disassembly...............................................................24
Hydraulic Circuit.........................................................10 ST
Inspection...................................................................24
Removal.....................................................................11
CALIPER .................................................................24
Inspection...................................................................11
ROTOR ...................................................................24
Installation..................................................................11
Assembly ...................................................................25 RS
PROPORTIONING VALVE ............................................12
Installation..................................................................25
Inspection...................................................................12
Brake Burnishing Procedure......................................25 BT
Removal and Installation ...........................................12
REAR DRUM BRAKE ...................................................26
BRAKE PEDAL AND BRACKET..................................13
Components...............................................................26
Removal and Installation ...........................................13
Inspection...................................................................13
Removal.....................................................................26 HA
Inspection...................................................................27
Adjustment .................................................................13
WHEEL CYLINDER ..................................................27
MASTER CYLINDER.....................................................15 Wheel Cylinder Overhaul...........................................28 SC
Removal.....................................................................15 Inspection...................................................................28
Disassembly...............................................................16 DRUM .....................................................................28
MODELS WITHOUT VDC .........................................16 LINING ....................................................................28
EL
MODELS WITH VDC ................................................16 Installation..................................................................28
Inspection...................................................................16 PARKING BRAKE CONTROL ......................................30
Assembly ...................................................................17 IDX
Components...............................................................30
MODELS WITHOUT VDC .........................................17
Removal and Installation ...........................................30
MODELS WITH VDC ................................................17
CONTENTS (Cont'd)
Inspection...................................................................30 Wheel Sensor or Rotor..............................................56
Adjustment .................................................................31 DIAGNOSTIC PROCEDURE .....................................56
ABS Actuator Solenoid Valve or Solenoid Valve
ABS Relay..........................................................................59
DIAGNOSTIC PROCEDURE .....................................59
DESCRIPTION ...............................................................32 Motor Relay or Motor.................................................61
Purpose......................................................................32 DIAGNOSTIC PROCEDURE .....................................61
Operation ...................................................................32 Low Voltage ...............................................................63
ABS Hydraulic Circuit ................................................32 DIAGNOSTIC PROCEDURE .....................................63
System Components .................................................33 G Sensor and Circuit .................................................65
System Description....................................................33 DIAGNOSTIC PROCEDURE .....................................65
SENSOR .................................................................33 Control Unit................................................................67
BUILT-IN ABS ACTUATOR AND ELECTRIC UNIT DIAGNOSTIC PROCEDURE .....................................67
(CONTROL UNIT) ....................................................33 TROUBLE DIAGNOSES FOR SYMPTOMS .................68
ABS ACTUATOR AND ELECTRIC UNIT 1. ABS Works Frequently ..........................................68
(CONTROL UNIT) ....................................................33 2. Unexpected Pedal Action ......................................68
G SENSOR (4WD MODELS ONLY) ..........................34 3. Long Stopping Distance ........................................70
Component Parts and Harness Connector 4. ABS Does Not Work..............................................70
Location .....................................................................35 5. Pedal Vibration and Noise.....................................71
Schematic ..................................................................36 6. Warning Lamp Does Not Come On When
Wiring Diagram - ABS - .............................................37 Ignition Switch Is Turned On .....................................72
ON BOARD DIAGNOSTIC SYSTEM 7. Warning Lamp Stays On When Ignition Switch
DESCRIPTION ...............................................................41 Is Turned On..............................................................74
Self-diagnosis ............................................................41 8. Vehicle Vibrates Excessively When ABS Is
FUNCTION ..............................................................41
Operating ...................................................................77
SELF-DIAGNOSIS PROCEDURE ..............................41
REMOVAL AND INSTALLATION .................................80
HOW TO READ SELF-DIAGNOSTIC RESULTS
(MALFUNCTION CODES) ........................................42
Front Wheel Sensor...................................................80
HOW TO ERASE SELF-DIAGNOSTIC RESULTS Rear Wheel Sensor ...................................................80
(MALFUNCTION CODES) ........................................42 Front Sensor Rotor ....................................................81
CONSULT-II ...............................................................43 REMOVAL ...............................................................81
CONSULT-II APPLICATION TO ABS..........................43 INSTALLATION........................................................81
ECU [ABS ACTUATOR AND ELECTRIC UNIT Rear Sensor Rotor.....................................................81
(CONTROL UNIT)] PART NUMBER MODE ................43 REMOVAL ...............................................................81
CONSULT-II Inspection Procedure............................44 INSTALLATION........................................................81
SELF-DIAGNOSIS PROCEDURE ..............................44 G Sensor....................................................................81
SELF-DIAGNOSTIC RESULTS MODE.......................45 ABS Actuator and Electric Unit (Control Unit)...........82
DATA MONITOR PROCEDURE ................................46 REMOVAL ...............................................................82
ACTIVE TEST PROCEDURE ....................................47 INSTALLATION........................................................82
DATA MONITOR MODE ...........................................48
ACTIVE TEST MODE ...............................................48 VDC/TCS/ABS
TROUBLE DIAGNOSIS - INTRODUCTION..................49
How to Perform Trouble Diagnoses for Quick PRECAUTIONS .............................................................83
and Accurate Repair ..................................................49 Supplemental Restraint System (SRS) AIR
INTRODUCTION ......................................................49 BAG and SEAT BELT PRE-TENSIONER.............83
TROUBLE DIAGNOSIS - BASIC INSPECTION ...........50 Precautions for SRS Air Bag and SEAT BELT
Preliminary Check......................................................50 PRE-TENSIONER Service.......................................83
Ground Circuit Check ................................................53 Precautions for Brake System...................................83
ABS ACTUATOR AND ELECTRIC UNIT Precautions for Brake Control ...................................84
(CONTROL UNIT) GROUND.....................................53 PREPARATION .............................................................85
TROUBLE DIAGNOSIS - GENERAL Commercial Service Tools .........................................85
DESCRIPTION ...............................................................54 ON-VEHICLE SERVICE ................................................86
Malfunction Code/Symptom Chart.............................54 Adjustment of Steering Angle Sensor Neutral
TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC Position ......................................................................86
ITEMS.............................................................................56 Calibration of Decel G Sensor...................................86
BR-2
CONTENTS (Cont'd) GI
GENERAL INFORMATION ...........................................88 Inspection 9 Stop Lamp Switch and Circuit ............126
Fail-Safe.....................................................................88 Inspection 10 ABS Actuator and Electric Unit MA
ABS SYSTEM ..........................................................88 (Control Unit) Power Circuit.....................................127
VDC/TCS SYSTEM ..................................................88 Inspection 11 When SHIFT POSITION ERROR
Hydraulic Circuit Diagram..........................................88 Appears in Self-Diagnosis Results Display .............129 EM
ABS Function.............................................................88 Inspection 12 When ST ANG SEN COM CIR
TCS Function.............................................................89 Appears on Self-Diagnosis Results Display............130
VDC Function ............................................................89 Inspection 13 Brake Fluid Level of Reservoir
LC
System Diagram ........................................................89 Tank .........................................................................130
CAN COMMUNICATION ...............................................90 Inspection 14 CAN Communications System .........131 EC
System Description....................................................90 Inspecting Components ...........................................131
TROUBLE DIAGNOSES................................................91 VDC OFF SWITCH ................................................131
How to Proceed with Diagnosis ................................91 Symptom 1 ABS Works Frequently. ........................132 FE
BASIC CONCEPT ....................................................91 Symptom 2 Unexpected Pedal Reaction ................132
DIAGNOSIS FLOWCHART .......................................92 Symptom 3 Long Stopping Distance.......................133
ASKING COMPLAINTS ............................................93 Symptom 4 ABS Does Not Work. ...........................134 CL
EXAMPLE OF DIAGNOSIS SHEET ...........................93
Symptom 5 Pedal Vibration and Noise ...................134
Component Installation Location ...............................94
Symptom 6 VDC OFF Indicator Lamp Does Not
Schematic ..................................................................95 MT
Illuminate..................................................................135
Wiring Diagram - VDC - ............................................96
Symptom 7 SLIP Indicator Lamp Does Not
Control Unit Input/Output Signal Standard..............101
STANDARDS BY CONSULT-II ................................101
Illuminate..................................................................136 AT
Symptom 8 Vehicle Behaves Jerkily During VDC/
CONSULT-II Functions ............................................103
TCS/ABS Operation.................................................137
CONSULT-II MAIN FUNCTION ................................103 TF
WHEEL SENSORS......................................................139
SELF-DIAGNOSIS .................................................105
DATA MONITOR....................................................108 Removal and Installation .........................................139
ACTIVE TEST ........................................................ 111 REMOVAL .............................................................139
INSTALLATION......................................................139
PD
For Fast and Accurate Diagnosis ............................113
PRECAUTIONS FOR DIAGNOSIS ..........................113 SENSOR ROTOR ........................................................141
Basic Inspection.......................................................115 Removal and Installation .........................................141 AX
BASIC INSPECTION 1: BRAKE FLUID LEVEL REMOVAL .............................................................141
AND LEAK INSPECTION........................................115 INSTALLATION......................................................141
BASIC INSPECTION 2: INSPECTION FOR VDC/TCS/ABS ACTUATOR........................................142 SU
LOOSENESS OF POWER SYSTEM TERMINALS ....115 Removal and Installation .........................................142
BASIC INSPECTION 3: INSPECTION OF ABS G SENSOR ..................................................................143
WARNING LAMP, VDC OFF INDICATOR LAMP Removal and Installation .........................................143
AND SLIP INDICATOR LAMP .................................115 REMOVAL .............................................................143
Inspection 1 Wheel Sensor System ........................116 INSTALLATION......................................................143
INSPECTION PROCEDURE ...................................116 ST
Inspection 2 Engine System....................................118 SERVICE DATA AND SPECIFICATIONS (SDS) .......144
Inspection 3 VDC/TCS/ABS Control Unit System...118 General Specifications.............................................144
Inspection 4 VDC Pressure Sensor System ...........119 Disc Brake ...............................................................144
RS
Inspection 5 Steering Angle Sensor System...........120 Drum Brake..............................................................144
Inspection 6 Yaw Rate/Side/Decel G Sensor Brake Pedal .............................................................144 BT
System .....................................................................121 Parking Brake Control .............................................145
Inspection 7 Solenoid Valve, VDC Switch-over
Solenoid Valve and Circuit ......................................123 HA
Inspection 8 ABS Actuator Relay or ABS Motor
Relay Power System ...............................................125
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" NABR0206
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 composition which is available to NISSAN MODEL R50 is as follows (The composition
varies according to optional equipment.):
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