Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Quest 1999-2002 Approved Nissan Quest 2001 br
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BRAKE SYSTEM GI
SECTION BR MA
EM
LC
EC
CONTENTS FE
PRECAUTIONS ...............................................................3 Inspection...................................................................19
AT
Supplemental Restraint System (SRS) AIR OUTPUT ROD LENGTH CHECK ..............................19
BAG and SEAT BELT PRE-TENSIONER...............3 Installation..................................................................19 AX
Precautions for Brake System.....................................3 VACUUM PIPING...........................................................20
Wiring Diagrams and Trouble Diagnosis.....................3 Removal and Installation ...........................................20
PREPARATION ...............................................................4 Inspection...................................................................20 SU
Commercial Service Tools ...........................................4 HOSES AND CONNECTORS ...................................20
NOISE, VIBRATION AND HARSHNESS (NVH) CHECK VALVE ........................................................20
TROUBLESHOOTING .....................................................5 FRONT DISC BRAKE ...................................................21
NVH Troubleshooting Chart.........................................5 Components...............................................................21
ON-VEHICLE SERVICE ..................................................6 Pad Replacement ......................................................22
Removal.....................................................................23
ST
Checking Brake Fluid Level.........................................6
Checking Brake Line ...................................................6 Disassembly...............................................................23
Changing Brake Fluid ..................................................6 Inspection...................................................................23 RS
Bleeding Brake System ...............................................7 CALIPER .................................................................23
ROTOR ...................................................................24
Brake Burnishing Procedure........................................7
BRAKE HYDRAULIC LINE .............................................8
Assembly ...................................................................24 BT
Installation..................................................................24
Hydraulic Circuit...........................................................8
REAR DRUM BRAKE ...................................................25
Removal.......................................................................8
Components...............................................................25 HA
Inspection.....................................................................9
Removal.....................................................................26
Installation....................................................................9
Inspection...................................................................27
DUAL LOAD SENSING VALVE....................................10
WHEEL CYLINDER ..................................................27
SC
Inspection...................................................................10
WHEEL CYLINDER OVERHAUL ...............................27
Removal and Installation ...........................................12
DRUM .....................................................................27
BRAKE PEDAL AND BRACKET..................................13 LINING ....................................................................27
EL
Removal and Installation ...........................................13 Installation..................................................................28
Inspection...................................................................13 PARKING BRAKE CONTROL ......................................29
Adjustment .................................................................13
IDX
Components...............................................................29
MASTER CYLINDER.....................................................15 Removal and Installation ...........................................29
Removal.....................................................................15 Inspection...................................................................30
Disassembly...............................................................15 Adjustment .................................................................30
Inspection...................................................................16
Assembly ...................................................................16
ABS
Installation..................................................................17
BRAKE BOOSTER........................................................18 DESCRIPTION ...............................................................31
On-vehicle Service.....................................................18 Purpose......................................................................31
OPERATING CHECK ...............................................18 Operation ...................................................................31
AIRTIGHT CHECK ...................................................18 ABS Hydraulic Circuit ................................................31
Removal.....................................................................18 System Components .................................................32
CONTENTS (Cont'd)
System Description....................................................32 TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC
SENSOR .................................................................32 ITEMS.............................................................................53
CONTROL UNIT (BUILT-IN ABS ACTUATOR AND Wheel Sensor or Rotor..............................................53
ELECTRIC UNIT) .....................................................32 DIAGNOSTIC PROCEDURE .....................................53
ABS ACTUATOR AND ELECTRIC UNIT ....................33 ABS Actuator Solenoid Valve and Solenoid Valve
Component Parts and Harness Connector Relay..........................................................................56
Location .....................................................................34 DIAGNOSTIC PROCEDURE .....................................56
Schematic ..................................................................35 Motor Relay or Motor.................................................58
Wiring Diagram - ABS - .............................................36 DIAGNOSTIC PROCEDURE .....................................58
ON BOARD DIAGNOSTIC SYSTEM Low Voltage ...............................................................60
DESCRIPTION ...............................................................39 DIAGNOSTIC PROCEDURE .....................................60
Self-diagnosis ............................................................39 Control Unit................................................................62
FUNCTION ..............................................................39 DIAGNOSTIC PROCEDURE .....................................62
SELF-DIAGNOSIS PROCEDURE ..............................39 TROUBLE DIAGNOSES FOR SYMPTOMS .................63
HOW TO READ SELF-DIAGNOSTIC RESULTS 1. ABS Works Frequently ..........................................63
(MALFUNCTION CODES) ........................................40 2. Unexpected Pedal Action ......................................63
HOW TO ERASE SELF-DIAGNOSTIC RESULTS 3. Long Stopping Distance ........................................64
(MALFUNCTION CODES) ........................................40
4. ABS Does Not Work..............................................66
CONSULT-II ...............................................................41
5. Pedal Vibration and Noise.....................................66
CONSULT-II APPLICATION TO ABS..........................41
6. Warning Lamp Does Not Come On When
ECU (ABS CONTROL UNIT) PART NUMBER
Ignition Switch Is Turned On .....................................67
MODE .....................................................................41
CONSULT-II Inspection Procedure............................42 7. Warning Lamp Stays On When Ignition Switch
SELF-DIAGNOSIS PROCEDURE ..............................42 Is Turned On..............................................................69
SELF-DIAGNOSTIC RESULTS MODE.......................43 REMOVAL AND INSTALLATION .................................73
DATA MONITOR PROCEDURE ................................44 Front Wheel Sensor...................................................73
ACTIVE TEST PROCEDURE ....................................44 Rear Wheel Sensor ...................................................73
DATA MONITOR MODE ...........................................45 Sensor Rotor..............................................................74
ACTIVE TEST MODE ...............................................46 REMOVAL ...............................................................74
TROUBLE DIAGNOSIS - INTRODUCTION..................47 INSTALLATION........................................................74
How to Perform Trouble Diagnoses for Quick Actuator......................................................................75
and Accurate Repair ..................................................47 REMOVAL ...............................................................75
INTRODUCTION ......................................................47 INSTALLATION........................................................75
TROUBLE DIAGNOSIS - BASIC INSPECTION ...........48
Preliminary Check......................................................48 SERVICE DATA AND SPECIFICATIONS (SDS) .........76
Ground Circuit Check ................................................51 General Specifications...............................................76
ABS ACTUATOR AND ELECTRIC UNIT GROUND.....51 Disc Brake .................................................................76
TROUBLE DIAGNOSIS - GENERAL Drum Brake................................................................76
DESCRIPTION ...............................................................52 Brake Pedal ...............................................................76
Malfunction Code/Symptom Chart.............................52 Parking Brake Control ...............................................76
BR-2
PRECAUTIONS
Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
Supplemental Restraint System (SRS) "AIR
BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER" used along with
NDBR0001
GI
a seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of
collision. The Supplemental Restraint System consists of driver air bag module (located in the center of the MA
steering wheel), front passenger air bag module (located on the instrument panel on passenger side), seat
belt pre-tensioners, a diagnosis sensor unit, warning lamp, wiring harness and spiral cable.
Information necessary to service the system safely is included in the RS section of this Service Manual. EM
WARNING:
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