Infiniti I30 (A33). Manual — part 104

SRA737A

I

Check wheel hub bearing axial end play.

Axial end play:

0.05 mm (0.0020 in)

SFA599B

I

Clinch two places of lock nut.

SRA738A

I

Install hub cap using a suitable tool.
Do not reuse hub cap. When installing, replace it with a
new one.

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REAR AXLE

Wheel Hub (Cont’d)

AX-21

Service Data and Specifications (SDS)

WHEEL BEARING (REAR)

=NHAX0031

Wheel bearing axial end play

mm (in)

0.05 (0.0020)

Wheel bearing lock nut tightening torque

N·m (kg-m, ft-lb)

187 - 254 (19 - 26, 138 - 188)

REAR AXLE

Service Data and Specifications (SDS)

AX-22

BRAKE SYSTEM

SECTION

BR

CONTENTS

PRECAUTIONS . . . . . . . . . . . . . . . ...4

Supplemental Restraint System (SRS)

″

AIR

BAG

″

and

″

SEAT BELT PRE-TENSIONER

″

. . . ...4

Precautions for Brake System. . . . . . . . . .4
Wiring Diagrams and Trouble Diagnosis. . . . . .5

PREPARATION . . . . . . . . . . . . . . . ...6

Commercial Service Tools . . . . . . . . . . ...6

NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING . . . . . . . . . . . . . .7

NVH Troubleshooting Chart. . . . . . . . . . .7

ON-VEHICLE SERVICE . . . . . . . . . . . . ..8

Checking Brake Fluid Level. . . . . . . . . . .8
Checking Brake Line . . . . . . . . . . . . ...8
Changing Brake Fluid . . . . . . . . . . . . ..8
Brake Burnishing Procedure. . . . . . . . . . 8
Bleeding Brake System . . . . . . . . . . . ...9

BRAKE HYDRAULIC LINE . . . . . . . . . . ...10

Hydraulic Circuit. . . . . . . . . . . . . . .10
Removal. . . . . . . . . . . . . . . . . .10
Inspection. . . . . . . . . . . . . . . . ... 11
Installation. . . . . . . . . . . . . . . . .. 11

DUAL PROPORTIONING VALVE. . . . . . . . .12

Inspection. . . . . . . . . . . . . . . . ...12

BRAKE PEDAL AND BRACKET. . . . . . . . ..13

Removal and Installation . . . . . . . . . . ...13
Inspection. . . . . . . . . . . . . . . . ...13
Adjustment . . . . . . . . . . . . . . . . .13

MASTER CYLINDER (TOKICO) . . . . . . . . ...15

Removal. . . . . . . . . . . . . . . . . .15
Disassembly. . . . . . . . . . . . . . . ...16
Inspection. . . . . . . . . . . . . . . . ...16
Assembly . . . . . . . . . . . . . . . . ...16
Installation. . . . . . . . . . . . . . . . ..17

MASTER CYLINDER (NABCO) . . . . . . . . . 18

Removal. . . . . . . . . . . . . . . . . .18
Disassembly. . . . . . . . . . . . . . . ...18
Inspection. . . . . . . . . . . . . . . . ...19
Assembly . . . . . . . . . . . . . . . . ...19
Installation. . . . . . . . . . . . . . . . ..20

BRAKE BOOSTER. . . . . . . . . . . . . . 21

On-vehicle Service. . . . . . . . . . . . . .21

OPERATING CHECK

. . . . . . . . . . . ...21

AIRTIGHT CHECK

. . . . . . . . . . . . ...21

Removal. . . . . . . . . . . . . . . . . .21
Inspection. . . . . . . . . . . . . . . . ...21

OUTPUT ROD LENGTH CHECK

. . . . . . . ..21

Installation. . . . . . . . . . . . . . . . ..22

VACUUM HOSE. . . . . . . . . . . . . . . .23

Removal and Installation . . . . . . . . . . ...23
Inspection. . . . . . . . . . . . . . . . ...23

HOSES AND CONNECTORS

. . . . . . . . ...23

CHECK VALVE

. . . . . . . . . . . . . . 23

FRONT DISC BRAKE . . . . . . . . . . . . ...24

Component . . . . . . . . . . . . . . . . 24
Pad Replacement . . . . . . . . . . . . . ..24
Removal. . . . . . . . . . . . . . . . . .25
Disassembly. . . . . . . . . . . . . . . ...25
Inspection. . . . . . . . . . . . . . . . ...26

CALIPER

. . . . . . . . . . . . . . . . .26

ROTOR

. . . . . . . . . . . . . . . . ...26

Assembly . . . . . . . . . . . . . . . . ...27
Installation. . . . . . . . . . . . . . . . ..27

REAR DISC BRAKE. . . . . . . . . . . . . ..28

Component . . . . . . . . . . . . . . . . 28
Pad Replacement . . . . . . . . . . . . . ..28
Removal. . . . . . . . . . . . . . . . . .30
Disassembly. . . . . . . . . . . . . . . ...31
Inspection. . . . . . . . . . . . . . . . ...32

CALIPER

. . . . . . . . . . . . . . . . .32

ROTOR

. . . . . . . . . . . . . . . . ...32

Assembly . . . . . . . . . . . . . . . . ...33
Installation. . . . . . . . . . . . . . . . ..35

PARKING BRAKE CONTROL . . . . . . . . . ..37

Components. . . . . . . . . . . . . . . ...37
Removal and Installation . . . . . . . . . . ...37
Inspection. . . . . . . . . . . . . . . . ...37
Adjustment . . . . . . . . . . . . . . . . .38

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ABS

DESCRIPTION . . . . . . . . . . . . . . . ...39

Purpose. . . . . . . . . . . . . . . . . ..39
ABS (Anti-Lock Brake System) Operation . . . . 39
ABS Hydraulic Circuit . . . . . . . . . . . . 39
System Components . . . . . . . . . . . . .40
System Description. . . . . . . . . . . . . 40

SENSOR

. . . . . . . . . . . . . . . . .40

CONTROL UNIT

. . . . . . . . . . . . . ..40

ABS ACTUATOR AND ELECTRIC UNIT

. . . . . 40

Component Parts and Harness Connector
Location . . . . . . . . . . . . . . . . . .42
Schematic . . . . . . . . . . . . . . . . ..43
Wiring Diagram - ABS - . . . . . . . . . . . .44

ON BOARD DIAGNOSTIC SYSTEM
DESCRIPTION . . . . . . . . . . . . . . . ...48

Self-diagnosis . . . . . . . . . . . . . . . 48

FUNCTION

. . . . . . . . . . . . . . . ..48

SELF-DIAGNOSIS PROCEDURE

. . . . . . . ..48

HOW TO READ SELF-DIAGNOSTIC RESULTS
(MALFUNCTION CODES)

. . . . . . . . . . 48

HOW TO ERASE SELF-DIAGNOSTIC RESULTS
(MALFUNCTION CODES)

. . . . . . . . . . 49

CONSULT-II . . . . . . . . . . . . . . . ...50

CONSULT-II APPLICATION TO ABS

. . . . . . ..50

ECU (ABS CONTROL UNIT) PART NUMBER
MODE

. . . . . . . . . . . . . . . . . .50

CONSULT-II Inspection Procedure. . . . . . . 50

SELF-DIAGNOSIS PROCEDURE

. . . . . . . ..50

SELF-DIAGNOSTIC RESULTS MODE

. . . . . ...52

DATA MONITOR PROCEDURE

. . . . . . . . 53

ACTIVE TEST PROCEDURE

. . . . . . . . . 54

DATA MONITOR MODE

. . . . . . . . . . ...55

ACTIVE TEST MODE

. . . . . . . . . . . ...55

TROUBLE DIAGNOSIS - INTRODUCTION. . . . ..56

How to Perform Trouble Diagnoses for Quick
and Accurate Repair . . . . . . . . . . . . ..56

INTRODUCTION

. . . . . . . . . . . . . ..56

TROUBLE DIAGNOSIS - BASIC INSPECTION . . ...57

Preliminary Check. . . . . . . . . . . . . ..57
Ground Circuit Check . . . . . . . . . . . . 60

ABS ACTUATOR AND ELECTRIC UNIT GROUND

. .60

TROUBLE DIAGNOSIS - GENERAL
DESCRIPTION . . . . . . . . . . . . . . . ...61

Malfunction Code/Symptom Chart. . . . . . . .61

TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC
ITEMS. . . . . . . . . . . . . . . . . . . .62

Wheel Sensor or Rotor. . . . . . . . . . . ..62

DIAGNOSTIC PROCEDURE

. . . . . . . . . .62

ABS Actuator Solenoid Valve or Solenoid Valve
Relay. . . . . . . . . . . . . . . . . . ..65

DIAGNOSTIC PROCEDURE

. . . . . . . . . .65

Motor Relay or Motor. . . . . . . . . . . . .68

DIAGNOSTIC PROCEDURE

. . . . . . . . . .68

Low Voltage . . . . . . . . . . . . . . . ...70

DIAGNOSTIC PROCEDURE

. . . . . . . . . .70

Control Unit. . . . . . . . . . . . . . . . 72

DIAGNOSTIC PROCEDURE

. . . . . . . . . .72

TROUBLE DIAGNOSES FOR SYMPTOMS . . . . .73

1. ABS Works Frequently . . . . . . . . . . ..73
2. Unexpected Pedal Action . . . . . . . . . ..73
3. Long Stopping Distance . . . . . . . . . . 74
4. ABS Does Not Work. . . . . . . . . . . ..75
5. Pedal Vibration and Noise. . . . . . . . . .76
6. ABS Warning Lamp Does Not Come On
When Ignition Switch Is Turned On. . . . . . ...77
7. ABS Warning Lamp Stays On When Ignition
Switch Is Turned On . . . . . . . . . . . . ..79

TCS

DESCRIPTION . . . . . . . . . . . . . . . ...81

Purpose. . . . . . . . . . . . . . . . . ..81
ABS (Anti-Lock Brake System) Operation . . . . 81
ABS Hydraulic Circuit . . . . . . . . . . . . 81
TCS (Traction Control System) Operation . . . . 82
System Components . . . . . . . . . . . . .82
System Description. . . . . . . . . . . . . 82

SENSOR

. . . . . . . . . . . . . . . . .82

CONTROL UNIT

. . . . . . . . . . . . . ..83

ACTUATOR

. . . . . . . . . . . . . . . .83

Component Parts and Harness Connector
Location . . . . . . . . . . . . . . . . . .84
Schematic . . . . . . . . . . . . . . . . ..85
Wiring Diagram - TCS -. . . . . . . . . . . .86

ON BOARD DIAGNOSTIC SYSTEM
DESCRIPTION . . . . . . . . . . . . . . . ...91

Self-diagnosis . . . . . . . . . . . . . . . 91

FUNCTION

. . . . . . . . . . . . . . . ..91

SELF-DIAGNOSIS PROCEDURE

. . . . . . . ..91

HOW TO READ SELF-DIAGNOSTIC RESULTS
(MALFUNCTION CODES)

. . . . . . . . . . 92

HOW TO ERASE SELF-DIAGNOSTIC RESULTS
(MALFUNCTION CODES)

. . . . . . . . . . 92

CONSULT-II . . . . . . . . . . . . . . . ...93

CONSULT-II APPLICATION TO TCS

. . . . . . .93

ECU (ABS/TCS CONTROL UNIT) PART NUMBER
MODE

. . . . . . . . . . . . . . . . . .93

CONSULT-II Inspection Procedure. . . . . . . 94

SELF-DIAGNOSIS PROCEDURE

. . . . . . . ..94

SELF-DIAGNOSTIC RESULTS MODE

. . . . . ...95

DATA MONITOR PROCEDURE

. . . . . . . . 96

ACTIVE TEST PROCEDURE

. . . . . . . . . 97

DATA MONITOR MODE

. . . . . . . . . . ...98

ACTIVE TEST MODE

. . . . . . . . . . . ...99

TROUBLE DIAGNOSIS - INTRODUCTION. . . . 100

How to Perform Trouble Diagnoses for Quick
and Accurate Repair . . . . . . . . . . . . 100

CONTENTS

(Cont’d)

BR-2