2005 NISSAN X-TRAIL Service Repair Manual

engine oil capacity radio controls gas type audio fuses fuel pressure

Page 3049 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual BRC-1
BRAKE CONTROL SYSTEM
F BRAKES
CONTENTS
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SECTION BRC
A
B
BRC

BRAKE CONTROL SYSTEM
ABS
PRECAUTIONS .......................................................... 4
Precautions fo

BRC-1
BRAKE CONTROL SYSTEM
F BRAKES
CONTENTS
C
D
E
G
H
I
J
K
L
M
SECTION BRC
A
B
BRC

BRAKE CONTROL SYSTEM
ABS
PRECAUTIONS .......................................................... 4
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 4
Precautions for Brake System .................................. 4
Precautions for Brake Control .................................. 4
PREPARATION ........................................................... 5
Special 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
CAN Communication Unit ........................................ 8
TYPE 1/TYPE 2 .................................................... 8
TYPE 3 .................................................................. 9
TYPE 7/TYPE 8 .................................................. 10
TROUBLE DIAGNOSIS ............................................ 12
How to Proceed With Diagnosis ............................. 12
BASIC CONCEPT ............................................... 12
DIAGNOSIS FLOWCHART ................................ 13
ASKING COMPLAINTS ...................................... 14
EXAMPLE OF DIAGNOSIS SHEET ................... 14
Component Parts Location ..................................... 15
Schematic .............................................................. 16
Wiring Diagram — ABS — ..................................... 17
LHD MODEL ....................................................... 17
RHD MODEL ....................................................... 21
Control Unit Input/Output Signal Standard ............. 25
REFERENCE VALUE FROM CONSULT-II ......... 25
CONSULT- II Functions .......................................... 26
CONSULT-II MAIN FUNCTION ........................... 26
CONSULT-II BASIC OPERATION PROCEDURE
... 26SELF-DIAGNOSIS .............................................. 28
DATA MONITOR ................................................. 30
ACTIVE TEST ..................................................... 32
Correct and Quick Diagnosis .................................. 34
DIAGNOSIS PRECAUTIONS ............................. 34
Basic Inspection ..................................................... 35
BASIC INSPECTION 1 BRAKE FLUID AMOUNT,
LEAKS, AND BRAKE PADS INSPECTION ......... 35
BASIC INSPECTION 2 POWER SYSTEM TER-
MINAL LOOSENESS AND BATTERY INSPEC-
TION .................................................................... 35
BASIC INSPECTION 3 ABS WARNING LAMP ... 35
Inspection 1: Wheel Sensor System ....................... 36
INSPECTION PROCEDURE .............................. 36
Inspection 2: ABS Actuator and Electric Unit (Con-
trol Unit) 1 ............................................................... 38
Inspection 3: ABS Actuator and Electric Unit (Con-
trol Unit) Power Supply and Ground Circuit ............ 38
Inspection 4: ABS Actuator Relay or ABS Motor
Relay Power System .............................................. 39
Inspection 5: ABS Actuator and Electric Unit (Con-
trol Unit) 2 ............................................................... 40
Inspection 6: G Sensor System .............................. 41
Inspection 7: CAN Communication System ............ 43
Symptom 1: ABS Works Frequently ....................... 43
Symptom 2: Unexpected Pedal Reaction ............... 44
Symptom 3: Longer Stopping Distance .................. 44
Symptom 4: ABS Does Not Work ........................... 45
Symptom 5: Pedal Vibration and ABS Operation
Noise ...................................................................... 45
WHEEL SENSORS ................................................... 46
Removal and Installation ........................................ 46
REMOVAL ........................................................... 46
INSTALLATION ................................................... 46
G SENSOR ................................................................ 47
Removal and Installation ........................................ 47
REMOVAL ........................................................... 47
INSTALLATION ................................................... 47

Page 3050 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual BRC-2 SENSOR ROTOR ...................................................... 48
Removal and Installation ........................................ 48
REMOVAL ............................................

BRC-2 SENSOR ROTOR ...................................................... 48
Removal and Installation ........................................ 48
REMOVAL ........................................................... 48
INSTALLATION .................................................... 48
ABS ACTUATOR AND ELECTRIC UNIT (ASSEM-
BLY) ........................................................................... 49
Removal and Installation ........................................ 49
ESP/TCS/ABS
PRECAUTIONS ......................................................... 50
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ................................................................. 50
Precautions for Brake System ................................ 50
Precautions for Brake Control ................................ 50
PREPARATION ......................................................... 51
Special Service Tools ............................................. 51
ON-VEHICLE SERVICE ............................................ 52
Adjustment of Steering Angle Sensor Neutral Posi-
tion .......................................................................... 52
SYSTEM DESCRIPTION .......................................... 53
System Diagram ..................................................... 53
ESP Function .......................................................... 53
TCS Function .......................................................... 53
ABS Function .......................................................... 54
EBD Function ......................................................... 54
Fail-Safe Function .................................................. 54
ESP/ TCS SYSTEM ............................................ 54
ABS, EBD SYSTEM ............................................ 54
Hydraulic Circuit Diagram ....................................... 55
CAN COMMUNICATION ........................................... 56
System Description ................................................. 56
CAN Communication Unit ....................................... 56
TYPE 4/TYPE 5 ................................................... 56
TYPE 6 ................................................................ 57
TYPE 9 ................................................................ 58
TROUBLE DIAGNOSIS ............................................ 60
How to Proceed With Diagnosis ............................. 60
BASIC CONCEPT ............................................... 60
DIAGNOSIS FLOWCHART ................................. 61
ASKING COMPLAINTS ....................................... 62
EXAMPLE OF DIAGNOSIS SHEET .................... 62
Component Parts and Harness Connector Location ... 63
Schematic ............................................................... 64
Wiring Diagram —ESP/TCS/ABS— ..................... 65
LHD MODEL ........................................................ 65
RHD MODEL ....................................................... 71
Control Unit Input/Output Signal Standard .............. 77
REFERENCE VALUE FROM CONSULT-II ......... 77
CONSULT-II Functions ........................................... 79
CONSULT-II MAIN FUNCTION ........................... 79
CONSULT-II BASIC OPERATION PROCEDURE
... 79
SELF-DIAGNOSIS .............................................. 81
DATA MONITOR .................................................. 83
ACTIVE TEST ..................................................... 86
For Fast and Accurate Diagnosis ........................... 88PRECAUTIONS FOR DIAGNOSIS ..................... 88
Basic Inspection ...................................................... 89
BASIC INSPECTION 1 BRAKE FLUID AMOUNT,
LEAKS, AND BRAKE PADS INSPECTION ......... 89
BASIC INSPECTION 2 POWER SYSTEM TER-
MINAL LOOSENESS AND BATTERY INSPEC-
TION .................................................................... 89
BASIC INSPECTION 3 ABS WARNING LAMP,
ESP OFF INDICATOR LAMP, SLIP INDICATOR
LAMP AND BRAKE WARNING LAMP INSPEC-
TION .................................................................... 90
Inspection 1 Wheel Sensor System ........................ 91
INSPECTION PROCEDURE ............................... 91
Inspection 2 Engine System ................................... 93
Inspection 3 ESP/TCS/ABS Control Unit System ... 93
Inspection 4 Pressure Sensor and the Circuit
between Pressure Sensor and ESP/TCS/ABS Con-
trol Unit. ................................................................... 93
Inspection 5 Steering Angle Sensor and Circuit
between Steering Angle Sensor and ESP/TCS/ABS
Control Unit. ............................................................ 95
Inspection 6 Yaw Rate/Side G sensor and the Circuit
between Yaw Rate/Side G sensor and ESP/TCS/
ABS Control Unit. .................................................... 97
Inspection 7 Solenoid Valve, ESP Switch-over Sole-
noid Valve and Circuit ............................................. 98
Inspection 8 Actuator Motor, Motor Relay and Circuit
.101
Inspection 9 Actuator Relay and Circuit ................103
Inspection 10 Stop Lamp Switch and Circuit .........105
Inspection 11 ESP/TCS/ABS Control Unit Power
Supply Circuit ........................................................105
Inspection 12 When “EMERGENCY BRAKE” is
indicated in the Self-Diagnostic Results ................107
Inspection 13 When “ST ANG SEN SIGNAL” is Indi-
cated in the Self-Diagnostic Results .....................107
Inspection 14 Brake Fluid Level of Reservoir Tank,
Communication Circuit between ESP/TCS/ABS
Control Unit and Brake Fluid Level Warning Switch .108
Inspection 15 CAN Communication Circuit, ESP/
TCS/ABS Control Unit and Steering Angle Sensor .109
Component Check ................................................109
ESP OFF SWITCH ............................................109
ESP RELAY BOX ...............................................109
ESP ACTUATOR ...............................................110
Symptom 1: ABS Works Frequently .....................112
Symptom 2: Unexpected Pedal Reaction .............113
Symptom 3: Longer Stopping Distance .................113
Symptom 4: ABS Does Not Work .........................113
Symptom 5: Pedal Vibration and ABS Operation
Noise .....................................................................113
Symptom 6: ESP OFF Indicator Lamp Does Not Illu-
minate ...................................................................114
Symptom 7: SLIP Indicator Lamp Does Not Illumi-
nate .......................................................................114
Symptom 8: Vehicle Jerks During ESP/TCS/ABS
Control ..................................................................115

Page 3051 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual BRC-3
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MA
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BRC
WHEEL SENSORS ..................................................116
Removal and Installation ....................................... 116
REMOVAL ...................

Page 3052 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual BRC-4
[ABS]
PRECAUTIONS

[ABS]PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EFS005X6
The Supplemental Restraint System such

BRC-4
[ABS]
PRECAUTIONS

[ABS]PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EFS005X6
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SRS and SB section of
this Service Manual.
WARNING:
To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.
Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions for Brake SystemEFS004GX
Recommended fluid is brake fluid “DOT 3” or “DOT 4”.
Do not reuse drained brake fluid.
Be careful not to splash brake fluid on painted areas such as body. If brake fluid is splashed, wipe it off
and flush area with water immediately.
Do not use mineral oils such as gasoline or kerosene to clean. They will ruin rubber parts and cause
improper operation.
Using a flare nut torque wrench, securely tighten brake tube
flare nuts.
Brake system is an important safety part. If a brake fluid leak is
detected, always disassemble the affected part. If a malfunction
is detected, replace part with a new one.
Before working, turn ignition switch OFF and disconnect har-
ness connectors of ABS actuator and electric unit (control unit)
or battery cable from negative terminal.
When installing brake piping, be sure to check torque.
Precautions for Brake ControlEFS004FV
During ABS operation, brake pedal lightly vibrates and a mechanical noise may be heard. This is normal.
Just after starting vehicle after ignition switch ON, brake pedal may vibrate or motor operating noise may
be heard from engine compartment. This is a normal status of operation check.
Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel,
or snow-covered (fresh, deep snow) roads.
When an malfunction is indicated by ABS or another warning lamp, collect all necessary information from
customer (what symptoms are present under what conditions) and check for simple causes before start-
ing diagnostic servicing. Besides electrical system inspection, check booster operation, brake fluid level,
and oil leaks.
If tyre size and type are used in an improper combination, or brake pads are not Genuine NISSAN parts,
stopping distance or steering stability may deteriorate.
If there is a radio, antenna, or antenna lead-in wire (including wiring) near control module, ABS function
may have a malfunction.
If aftermarket parts (car stereo, CD player, etc.) Have been installed, check for incidents such as harness
pinches, open circuits, and improper wiring.
SBR820BA

Page 3053 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual PREPARATION
BRC-5
[ABS]
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MA
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BRC

PREPARATIONPFP:00002
Special Service ToolsEFS004GU
Tool number
Tool nameDescription
GG94310000
Flare nut torque wrench
a: 10mm (0.39 in)Installing

Page 3054 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual BRC-6
[ABS]
SYSTEM DESCRIPTION

SYSTEM DESCRIPTIONPFP:00000
System DiagramEFS004FZ
ABS FunctionEFS004G0
The Anti-Lock Brake System is a function that detects wheel revolution while braking, and it i

Page 3055 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual SYSTEM DESCRIPTION
BRC-7
[ABS]
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BRC

Hydraulic Circuit DiagramEFS004G3
SFIA2173E

Page 3056 of 4555

NISSAN X-TRAIL 2005 Service Repair Manual BRC-8
[ABS]
CAN COMMUNICATION

CAN COMMUNICATIONPFP:23710
System DescriptionEFS0067G
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
t

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