Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti G20 P11 1999-2002 Approved G20-P11-2001 br
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BRAKE SYSTEM GI
SECTION BR MA
EM
LC
EC
CONTENTS FE
PRECAUTIONS ...............................................................3 OUTPUT ROD LENGTH CHECK ..............................17
CL
Supplemental Restraint System (SRS) AIR Installation..................................................................18
BAG and SEAT BELT PRE-TENSIONER...............3 VACUUM HOSE.............................................................19 MT
Precautions for Brake System.....................................3 Removal and Installation ...........................................19
Wiring Diagrams and Trouble Diagnosis.....................4 Inspection...................................................................19
PREPARATION ...............................................................5 HOSES AND CONNECTORS ...................................19 AT
Commercial Service Tools ...........................................5 CHECK VALVE ........................................................19
NOISE, VIBRATION AND HARSHNESS (NVH) FRONT DISC BRAKE ...................................................20
TROUBLESHOOTING .....................................................6 Component ................................................................20 AX
NVH Troubleshooting Chart.........................................6 Pad Replacement ......................................................20
ON-VEHICLE SERVICE ..................................................7 Removal.....................................................................21
Disassembly...............................................................21
SU
Checking Brake Fluid Level.........................................7
Checking Brake Line ...................................................7 Inspection...................................................................21
Changing Brake Fluid ..................................................7 CALIPER .................................................................21
ROTOR ...................................................................22
Brake Burnishing Procedure........................................7
Assembly ...................................................................23
Bleeding Brake System ...............................................8
BRAKE HYDRAULIC LINE .............................................9
Installation..................................................................23 ST
REAR DISC BRAKE......................................................24
Hydraulic Circuit...........................................................9
Component ................................................................24
Removal.......................................................................9
Pad Replacement ......................................................24 RS
Inspection.....................................................................9
Removal.....................................................................26
Installation..................................................................10
Disassembly...............................................................27
DUAL PROPORTIONING VALVE.................................11
Inspection...................................................................28
BT
Inspection...................................................................11
CALIPER .................................................................28
BRAKE PEDAL AND BRACKET..................................12
ROTOR ...................................................................28
Removal and Installation ...........................................12 HA
Assembly ...................................................................29
Inspection...................................................................12
Installation..................................................................31
Adjustment .................................................................12
MASTER CYLINDER.....................................................14
PARKING BRAKE CONTROL ......................................32 SC
Components...............................................................32
Removal.....................................................................14
Removal and Installation ...........................................32
Disassembly...............................................................14 EL
Inspection...................................................................33
Inspection...................................................................15
Adjustment .................................................................33
Assembly ...................................................................15
Installation..................................................................16 IDX
ABS
BRAKE BOOSTER........................................................17
On-vehicle Service.....................................................17 DESCRIPTION ...............................................................34
OPERATING CHECK ...............................................17 Purpose......................................................................34
AIRTIGHT CHECK ...................................................17 ABS (Anti-Lock Brake System) Operation ................34
Removal.....................................................................17 ABS Hydraulic Circuit ................................................34
Inspection...................................................................17 System Components .................................................35
CONTENTS (Cont'd)
System Description....................................................35 TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC
SENSOR .................................................................35 ITEMS.............................................................................56
CONTROL UNIT ......................................................35 Wheel Sensor or Rotor..............................................56
ABS ACTUATOR AND ELECTRIC UNIT ....................35 DIAGNOSTIC PROCEDURE .....................................56
Component Parts and Harness Connector ABS Actuator Solenoid Valve or Solenoid Valve
Location .....................................................................37 Relay..........................................................................59
Schematic ..................................................................38 DIAGNOSTIC PROCEDURE .....................................59
Wiring Diagram - ABS - .............................................39 Motor Relay or Motor.................................................62
ON BOARD DIAGNOSTIC SYSTEM DIAGNOSTIC PROCEDURE .....................................62
DESCRIPTION ...............................................................42 Low Voltage ...............................................................64
Self-diagnosis ............................................................42 DIAGNOSTIC PROCEDURE .....................................64
FUNCTION ..............................................................42 Control Unit................................................................66
SELF-DIAGNOSIS PROCEDURE ..............................42 DIAGNOSTIC PROCEDURE .....................................66
HOW TO READ SELF-DIAGNOSTIC RESULTS TROUBLE DIAGNOSES FOR SYMPTOMS .................67
(MALFUNCTION CODES) ........................................42 1. ABS Works Frequently ..........................................67
HOW TO ERASE SELF-DIAGNOSTIC RESULTS 2. Unexpected Pedal Action ......................................67
(MALFUNCTION CODES) ........................................43 3. Long Stopping Distance ........................................68
CONSULT-II ...............................................................44 4. ABS Does Not Work..............................................69
CONSULT-II APPLICATION TO ABS..........................44
5. Pedal Vibration and Noise.....................................70
ECU (ABS CONTROL UNIT) PART NUMBER
6. ABS Warning Lamp Does Not Come On
MODE .....................................................................44
When Ignition Switch Is Turned On...........................71
CONSULT-II Inspection Procedure............................44
7. ABS Warning Lamp Stays On When Ignition
SELF-DIAGNOSIS PROCEDURE ..............................44
SELF-DIAGNOSTIC RESULTS MODE.......................46 Switch Is Turned On ..................................................73
DATA MONITOR PROCEDURE ................................47 REMOVAL AND INSTALLATION .................................75
ACTIVE TEST PROCEDURE ....................................48 Front Wheel Sensors.................................................75
DATA MONITOR MODE ...........................................49 Rear Wheel Sensors .................................................76
ACTIVE TEST MODE ...............................................49 ABS Actuator and Electric Unit..................................77
TROUBLE DIAGNOSIS - INTRODUCTION..................50 REMOVAL ...............................................................77
How to Perform Trouble Diagnoses for Quick INSTALLATION........................................................77
and Accurate Repair ..................................................50 Sensor Rotor..............................................................78
INTRODUCTION ......................................................50 REMOVAL ...............................................................78
TROUBLE DIAGNOSIS - BASIC INSPECTION ...........51 INSTALLATION........................................................78
Preliminary Check......................................................51
Ground Circuit Check ................................................54 SERVICE DATA AND SPECIFICATIONS (SDS) .........79
ABS ACTUATOR AND ELECTRIC UNIT GROUND.....54 General Specifications...............................................79
TROUBLE DIAGNOSIS - GENERAL Disc Brake .................................................................79
DESCRIPTION ...............................................................55 Brake Pedal ...............................................................79
Malfunction Code/Symptom Chart.............................55 Parking Brake ............................................................79
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
NCBR0081
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 SRS system composition which is available to INFINITI G20 is as follows: MA
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