Nissan 350Z Workshop Maunual 2005 (9) PDF

BRC-1
BRAKE CONTROL SYSTEM
F BRAKES
CONTENTS
C
D
E
G
H
I
J
K
L
M
SECTION BRC
A
B
BRC
Revision: 2005 August 2005 350Z
BRAKE CONTROL SYSTEM
ABS
PRECAUTIONS .......................................................... 4
Precautions for Supplemental Restraint System
(SRS) ?AIR BAG? and ?SEAT BELT PRE-TEN-
SIONER? .................................................................. 4
Precautions for Battery Service ................................ 4
Precautions for Brake System .................................. 4
Precautions for Brake Control .................................. 4
PREPARATION ........................................................... 6
Special Service Tools ............................................... 6
Commercial Service Tools ........................................ 6
SYSTEM DESCRIPTION ............................................ 7
System Diagram ....................................................... 7
ABS Function ........................................................... 7
EBD Function ........................................................... 7
Fail-Safe Function .................................................... 7
ABS, EBD SYSTEM .............................................. 7
Hydraulic Circuit Diagram ........................................ 8
CAN COMMUNICATION ............................................ 9
System Description .................................................. 9
TROUBLE DIAGNOSIS ............................................ 10
How to Proceed with Diagnosis ............................. 10
BASIC CONCEPT ............................................... 10
DIAGNOSIS FLOWCHART .................................11
ASKING COMPLAINTS ...................................... 12
EXAMPLE OF DIAGNOSIS SHEET ................... 12
Component Parts Location ..................................... 13
Schematic ? ABS ? ............................................. 14
Wiring Diagram ? ABS ? ..................................... 15
Control Unit Input/Output Signal Standard ............. 19
REFERENCE VALUE FROM CONSULT-II ......... 19
CONSULT- II Functions .......................................... 20
CONSULT-II MAIN FUNCTION ........................... 20
CONSULT-II BASIC OPERATION PROCEDURE
... 20
SELF-DIAGNOSIS .............................................. 22
DATA MONITOR ................................................. 24
ACTIVE TEST ..................................................... 26
Correct and Quick Diagnosis ................................. 28
DIAGNOSIS PRECAUTIONS ............................. 28
Basic Inspection .....................................................29
BASIC INSPECTION 1 BRAKE FLUID AMOUNT,
LEAKS, AND BRAKE PADS INSPECTION .........29
BASIC INSPECTION 2 POWER SYSTEM TER-
MINAL LOOSENESS AND BATTERY INSPEC-
TION ....................................................................29
BASIC INSPECTION 3 ABS WARNING LAMP
INSPECTION ......................................................29
Inspection 1 Wheel Sensor System ........................30
INSPECTION PROCEDURE ..............................30
Inspection 2 Engine System ...................................32
Inspection 3 ABS Actuator and Electric Unit (Control
Unit) ........................................................................32
Inspection 4 ABS Actuator and Electric Unit (Control
Unit) Power and Ground Systems ..........................32
Inspection 5 ABS Actuator Relay or ABS Motor
Relay Power System ..............................................34
Inspection 6 Stop Lamp Switch System .................35
Inspection 7 ABS Actuator and Electric Unit (Control
Unit) 2 .....................................................................36
Inspection 8 CAN Communication System .............36
Symptom 1 Excessive ABS Function Operation Fre-
quency ....................................................................37
Symptom 2 Unexpected Pedal Reaction ................37
Symptom 3 The Braking Distance is Long .............38
Symptom 4 The ABS Function Does Not Operate ...38
Symptom 5 Pedal Vibration or ABS Operation
Sound Occurs .........................................................38
WHEEL SENSORS ...................................................39
Removal and Installation ........................................39
REMOVAL ...........................................................39
INSTALLATION ...................................................39
SENSOR ROTOR .....................................................40
Removal and Installation ........................................40
REMOVAL ...........................................................40
INSTALLATION ...................................................40
ABS ACTUATOR AND ELECTRIC UNIT (ASSEM-
BLY) ...........................................................................41
Removal and Installation ........................................41