Nissan 350Z Workshop Maunual 2004 (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: 2004 December 2004.5 350Z
BRAKE CONTROL SYSTEM
ABS
PRECAUTIONS .......................................................... 4
Precautions for Battery Service ................................ 4
Precautions for Brake System .................................. 4
Precautions for Brake Control .................................. 4
PREPARATION ........................................................... 5
Special Service Tools ............................................... 5
Commercial Service Tools ........................................ 5
SYSTEM DESCRIPTION ............................................ 6
System Diagram ....................................................... 6
ABS Function ........................................................... 6
EBD Function ........................................................... 6
Fail-Safe Function .................................................... 6
ABS, EBD SYSTEM .............................................. 6
Hydraulic Circuit Diagram ........................................ 7
CAN COMMUNICATION ............................................ 8
System Description .................................................. 8
TROUBLE DIAGNOSIS .............................................. 9
How to Proceed with Diagnosis ............................... 9
BASIC CONCEPT ................................................. 9
DIAGNOSIS FLOWCHART ................................ 10
ASKING COMPLAINTS .......................................11
EXAMPLE OF DIAGNOSIS SHEET ....................11
Component Parts Location ..................................... 12
Schematic ? ABS ? ............................................. 13
Wiring Diagram ? ABS ? ..................................... 14
Control Unit Input/Output Signal Standard ............. 18
REFERENCE VALUE FROM CONSULT-II ......... 18
CONSULT- II Functions .......................................... 19
CONSULT-II MAIN FUNCTION ........................... 19
CONSULT-II BASIC OPERATION PROCEDURE
... 19
SELF-DIAGNOSIS .............................................. 21
DATA MONITOR ................................................. 23
ACTIVE TEST ..................................................... 25
Correct and Quick Diagnosis ................................. 27
DIAGNOSIS PRECAUTIONS ............................. 27
Basic Inspection ..................................................... 28
BASIC INSPECTION 1 BRAKE FLUID AMOUNT,
LEAKS, AND BRAKE PADS INSPECTION .........28
BASIC INSPECTION 2 POWER SYSTEM TER-
MINAL LOOSENESS AND BATTERY INSPEC-
TION ....................................................................28
BASIC INSPECTION 3 ABS WARNING LAMP
INSPECTION ......................................................28
Inspection 1 Wheel Sensor System ........................29
INSPECTION PROCEDURE ..............................29
Inspection 2 Engine System ...................................31
Inspection 3 ABS Actuator and Electric Unit (Control
Unit) ........................................................................31
Inspection 4 ABS Actuator and Electric Unit (Control
Unit) Power and Ground Systems ..........................31
Inspection 5 ABS Actuator Relay or ABS Motor
Relay Power System ..............................................33
Inspection 6 Stop Lamp Switch System .................34
Inspection 7 ABS Actuator and Electric Unit (Control
Unit) 2 .....................................................................35
Inspection 8 CAN Communication System .............35
Symptom 1 Excessive ABS Function Operation Fre-
quency ....................................................................36
Symptom 2 Unexpected Pedal Reaction ................36
Symptom 3 The Braking Distance is Long .............37
Symptom 4 The ABS Function Does Not Operate ...37
Symptom 5 Pedal Vibration or ABS Operation
Sound Occurs .........................................................37
WHEEL SENSORS ...................................................38
Removal and Installation ........................................38
REMOVAL ...........................................................38
INSTALLATION ...................................................38
SENSOR ROTOR .....................................................39
Removal and Installation ........................................39
REMOVAL ...........................................................39
INSTALLATION ...................................................39
ABS ACTUATOR AND ELECTRIC UNIT (ASSEM-
BLY) ...........................................................................40
Removal and Installation ........................................40