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BRC

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F BRAKES

SECTION
BRAKE CONTROL SYSTEM
BRC B

E
CONTENTS
ABS REFERENCE VALUE FROM CONSULT-II ........ 20 . BRC
CONSULT-II Function (ABS) ................................. 22 .
PRECAUTIONS ......................................................... 4
. CONSULT-II BASIC OPERATION PROCEDURE
Precautions for Supplemental Restraint System ... 22 G
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- SELF-DIAGNOSIS ............................................. 23 .
SIONER" ................................................................. 4
. DATA MONITOR ................................................ 25 .
Precautions for Brake System ................................. 4 . ACTIVE TEST .................................................... 26 .
Precautions When Using CONSULT-II .................... 4 . H
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC
CHECK POINTS FOR USING CONSULT-II ........ 4 . ITEMS ....................................................................... 28
.
Precautions for Brake Control ................................. 5 . Wheel Sensor System ........................................... 28 .
Precautions for CAN System .................................. 5 . ABS Control Unit Inspection .................................. 29 . I
PREPARATION .......................................................... 6
. Solenoid Valve System Inspection ........................ 29 .
Special Service Tool ................................................ 6
. Actuator Motor, Motor Relay, and Circuit Inspection 30 ...
Commercial Service Tools ....................................... 6 . Stop Lamp Switch System Inspection ................... 31 . J
SYSTEM DESCRIPTION ........................................... 7 . ABS Control Unit Power and Ground Systems
System Components ............................................... 7 . Inspection .............................................................. 32
.
ABS Function .......................................................... 7
. CAN Communication System Inspection ............... 33 .
EBD Function .......................................................... 7
. K
TROUBLE DIAGNOSES FOR SYMPTOMS ........... 34 .
Fail-Safe Function ................................................... 7
. ABS Works Frequently .......................................... 34 .
ABS/EBD SYSTEM .............................................. 7 . Unexpected Pedal Action ...................................... 35 .
Hydraulic Circuit Diagram ....................................... 8 . Long Stopping Distance ......................................... 36 . L
CAN COMMUNICATION ........................................... 9 . ABS Does Not Work .............................................. 36 .
System Description ................................................. 9
. Pedal Vibration or ABS Operation Noise ............... 36 .
TROUBLE DIAGNOSIS ........................................... 10 . ABS Warning Lamp Does Not Come On When Igni- M
How to Perform Trouble Diagnoses for Quick and tion Switch Is Turned On ....................................... 37 .
Accurate Repair .................................................... 10
. ABS Warning Lamp Stays On When Ignition Switch
INTRODUCTION ................................................ 10 . Is Turned On .......................................................... 37
.
WORK FLOW ......................................................11. WHEEL SENSORS .................................................. 38 .
CLARIFY CONCERN ......................................... 12 . Removal and Installation ....................................... 38 .
EXAMPLE OF DIAGNOSIS SHEET .................. 12 . REMOVAL .......................................................... 38.
Component Parts and Harness Connector Location 13 ... INSTALLATION .................................................. 38 .
Schematic ............................................................. 14
. SENSOR ROTOR .................................................... 39 .
Wiring Diagram -- ABS -- .................................... 15 . Removal and Installation ....................................... 39 .
Basic Inspection .................................................... 19
. FRONT ............................................................... 39
.
BRAKE FLUID LEVEL, FLUID LEAK, AND REAR ................................................................. 39
.
BRAKE PAD INSPECTION ................................ 19 . ACTUATOR AND ELECTRIC UNIT (ASSEMBLY)... 40
POWER SYSTEM TERMINAL LOOSENESS Removal and Installation ....................................... 40 .
AND BATTERY INSPECTION ........................... 19 . REMOVAL .......................................................... 40.
ABS WARNING LAMP INSPECTION ................ 19 . INSTALLATION .................................................. 41 .
Warning Lamp and Indicator Timing ..................... 20 .
Control Unit Input/Output Signal Standard ............ 20 .

Revision: October 2006 BRC-1 2006 Titan
ABLS/ABS Stop Lamp Switch System Inspection ....................74 .
ABS/ABLS Control Unit Power and Ground Sys-
PRECAUTIONS ........................................................ 42 . tems Inspection ......................................................75
.
Precautions for Supplemental Restraint System Brake Fluid Level Switch System Inspection .........76 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Pressure Sensor System Inspection ......................77 .
SIONER" ................................................................ 42. CAN Communication System Inspection ...............79 .
Precautions for Brake System ............................... 42 . TROUBLE DIAGNOSES FOR SYMPTOMS ............80 .
Precautions When Using CONSULT-II .................. 42 . ABS Works Frequently ...........................................80 .
CHECK POINTS FOR USING CONSULT-II ....... 42 . Unexpected Pedal Action .......................................81 .
Precautions for Brake Control ............................... 43 . Long Stopping Distance .........................................82 .
Precautions for CAN System ................................. 43 . ABS Does Not Work ..............................................82 .
PREPARATION ........................................................ 44 . Pedal Vibration or ABS Operation Noise ...............82 .
Special Service Tool .............................................. 44 . ABS Warning Lamp Does Not Come On When Igni-
Commercial Service Tools ..................................... 44 . tion Switch Is Turned On ........................................83 .
SYSTEM DESCRIPTION ......................................... 45 . ABS Warning Lamp Stays On When Ignition Switch
System Components ............................................. 45 . Is Turned On ..........................................................83
.
ABS Function ......................................................... 46 . WHEEL SENSORS ..................................................84 .
EBD Function ........................................................ 46 . Removal and Installation ........................................84 .
ABLS Function ....................................................... 46 . REMOVAL ...........................................................84
.
Fail-Safe Function ................................................. 46 . INSTALLATION ...................................................84 .
ABS/EBD SYSTEM ............................................ 46 . SENSOR ROTOR .....................................................85 .
ABLS SYSTEM ................................................... 46 . Removal and Installation ........................................85 .
Hydraulic Circuit Diagram ...................................... 47 . FRONT ................................................................85
.
CAN COMMUNICATION .......................................... 48 . REAR ..................................................................85
.
System Description ................................................ 48 . ACTUATOR AND ELECTRIC UNIT (ASSEMBLY) ...86
TROUBLE DIAGNOSIS ........................................... 49 . Removal and Installation ........................................86 .
How to Perform Trouble Diagnoses for Quick and REMOVAL ...........................................................86
.
Accurate Repair ..................................................... 49 . INSTALLATION ...................................................87 .
INTRODUCTION ................................................ 49 .
WORK FLOW ..................................................... 50 .
CLARIFY CONCERN ......................................... 51 .
VDC/TCS/ABS
EXAMPLE OF DIAGNOSIS SHEET ................... 51 . PRECAUTIONS ........................................................88.
Component Parts and Harness Connector Location 52 ... Precautions for Supplemental Restraint System
Schematic .............................................................. 53. (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
Wiring Diagram -- ABLS -- .................................. 54 . SIONER" ................................................................88
.
Basic Inspection .................................................... 58 . Precautions for Brake System ...............................88 .
BRAKE FLUID LEVEL, FLUID LEAK, AND Precautions When Using CONSULT-II ..................88 .
BRAKE PAD INSPECTION ................................ 58 . CHECK POINTS FOR USING CONSULT-II .......88 .
POWER SYSTEM TERMINAL LOOSENESS Precautions for Brake Control ................................89 .
AND BATTERY INSPECTION ............................ 58 . Precautions for CAN System .................................89 .
ABS WARNING LAMP AND SLIP INDICATOR PREPARATION ........................................................91.
LAMP INSPECTION ........................................... 58 . Special Service Tool ...............................................91
.
Warning Lamp and Indicator Timing ...................... 59 . Commercial Service Tools .....................................91 .
Control Unit Input/Output Signal Standard ............. 59 . SYSTEM DESCRIPTION ..........................................92 .
REFERENCE VALUE FROM CONSULT-II ........ 59 . System Components ..............................................92 .
CONSULT-II Function (ABS) ................................. 62 . ABS Function .........................................................93
.
CONSULT-II BASIC OPERATION PROCEDURE EBD Function .........................................................93
.
... 62 TCS Function .........................................................93
.
SELF-DIAGNOSIS ............................................. 63 . VDC Function .........................................................93
.
DATA MONITOR ................................................. 66 . Fail-Safe Function ..................................................93
.
ACTIVE TEST .................................................... 68 . ABS/EBD SYSTEM .............................................94 .
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC VDC/TCS SYSTEM ............................................94 .
ITEMS ....................................................................... 70
. ACTIVE BOOSTER ............................................94 .
Wheel Sensor System Inspection .......................... 70 . Hydraulic Circuit Diagram ......................................94 .
Engine System Inspection ..................................... 71 . CAN COMMUNICATION ..........................................95 .
ABS/ABLS Control Unit Inspection ........................ 72 . System Description ................................................95.
Solenoid and Change-Over Valve System Inspec- TROUBLE DIAGNOSIS ...........................................96 .
tion ......................................................................... 72
. How to Perform Trouble Diagnoses for Quick and
Actuator Motor, Motor Relay, and Circuit Inspection 73 ... Accurate Repair ...................................................

Revision: October 2006 BRC-2 2006 Titan
INTRODUCTION ................................................ 96 . CAN Communication System Inspection ............. 139 .
WORK FLOW ..................................................... 97 . Inspection For Self-diagnosis Result "ST ANG SEN A
CLARIFY CONCERN ......................................... 98 . SIGNAL" .............................................................. 139 .
EXAMPLE OF DIAGNOSIS SHEET .................. 98 . Inspection For Self-diagnosis Result "DECEL G
Component Parts and Harness Connector Location 99 ... SEN SET" ............................................................ 140 . B
Schematic ........................................................... 100
. VDC OFF Indicator lamp Does Not Illuminate ..... 140 .
Wiring Diagram -- VDC -- .................................. 101 . Component Inspection ......................................... 140 .
Basic Inspection .................................................. 108. VDC OFF SWITCH .......................................... 140 .
BRAKE FLUID LEVEL, FLUID LEAK, AND TROUBLE DIAGNOSES FOR SYMPTOMS ......... 141 . C
BRAKE PAD INSPECTION .............................. 108 . ABS Works Frequently ........................................ 141 .
POWER SYSTEM TERMINAL LOOSENESS Unexpected Pedal Action .................................... 142 .
AND BATTERY INSPECTION ......................... 108 . Long Stopping Distance ....................................... 143 . D
ABS WARNING LAMP, SLIP INDICATOR LAMP ABS Does Not Work ............................................ 143 .
AND VDC OFF INDICATOR LAMP INSPECTION 108 . Pedal Vibration or ABS Operation Noise ............. 143 .
Warning Lamp and Indicator Timing ................... 109 . ABS Warning Lamp Does Not Come On When Igni- E
Control Unit Input/Output Signal Standard .......... 109 . tion Switch Is Turned On ..................................... 144 .
REFERENCE VALUE FROM CONSULT-II ...... 109 . ABS Warning Lamp Stays On When Ignition Switch
CONSULT-II Function (ABS) ................................113 . Is Turned On ........................................................ 144 .
CONSULT-II BASIC OPERATION PROCEDURE Vehicle Jerks During TCS/VDC Activation .......... 145 . BRC
..113 ON-VEHICLE SERVICE ......................................... 146 .
SELF-DIAGNOSIS ............................................114 . Adjustment of Steering Angle Sensor Neutral Posi-
DATA MONITOR ...............................................117 . tion ....................................................................... 146
. G
ACTIVE TEST .................................................. 120 . Calibration of Decel G Sensor ............................. 146 .
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC WHEEL SENSORS ................................................ 148 .
ITEMS .................................................................... 123
. Removal and Installation ..................................... 148 . H
Wheel Sensor System Inspection ....................... 123 . REMOVAL ........................................................ 148 .
Engine System Inspection ................................... 124 . INSTALLATION ................................................ 148 .
ABS/TCS/VDC Control Unit Inspection ............... 125 . SENSOR ROTOR .................................................. 149 .
I
Steering Angle Sensor System ........................... 125 . Removal and Installation ..................................... 149 .
Yaw Rate/Side/Decel G Sensor System Inspection 126 . FRONT ............................................................. 149 .
Solenoid and VDC Change-Over Valve System REAR ............................................................... 149.
Inspection ............................................................ 128
. ACTUATOR AND ELECTRIC UNIT (ASSEMBLY). 150 J
Actuator Motor, Motor Relay, and Circuit Inspection 129 . Removal and Installation ..................................... 150 .
Stop Lamp Switch System Inspection ................. 130 . REMOVAL ........................................................ 150 .
ABS/TCS/VDC Control Unit Power and Ground INSTALLATION ................................................ 151 . K
Systems Inspection ............................................. 131 . STEERING ANGLE SENSOR ............................... 152 .
Brake Fluid Level Switch System Inspection ...... 132 . Removal and Installation ..................................... 152 .
Active Booster System Inspection ....................... 133 . G SENSOR ............................................................. 153 .
L
Delta Stroke Sensor System Inspection .............. 134 . Removal and Installation ..................................... 153 .
Pressure Sensor System Inspection ................... 136 . REMOVAL ........................................................ 153 .
Steering Angle Sensor Safe Mode Inspection ..... 138 . INSTALLATION ................................................ 153 .
M

Revision: October 2006 BRC-3 2006 Titan
PRECAUTIONS
[ABS]
PRECAUTIONS PFP:00001

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EFS0068W

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. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:
G 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.
G 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.
G 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 System EFS004P9

CAUTION:
G Refer to MA-11, "RECOMMENDED FLUIDS AND LUBRICANTS" for recommended brake fluid.
G Never reuse drained brake fluid.
G Be careful not to splash brake fluid on painted areas; it may cause paint damage. If brake fluid is
splashed on painted areas, wash it away with water immediately.
G To clean or wash all parts of master cylinder and disc brake caliper, use clean brake fluid.
G Never use mineral oils such as gasoline or kerosene. They will ruin rubber parts of the hydraulic
system.
G Use flare nut wrench when removing and installing brake
tube.
G If a brake fluid leak is found, the part must be disassembled
without fail. Then it has to be replaced with a new one if a
defect exists.
G Turn the ignition switch OFF and remove the connector of
the ABS actuator and electric unit (control unit) or the bat-
tery terminal before performing the work.
G Always torque brake lines when installing.
G Burnish the brake contact surfaces after refinishing or SBR686C
replacing rotors, after replacing pads, or if a soft pedal
occurs at very low mileage.
Refer to BR-28, "BRAKE BURNISHING PROCEDURE" (front disc brake) or BR-34, "BRAKE BUR-
NISHING PROCEDURE" (rear disc brake).
WARNING:
G Clean brake pads and shoes with a waste cloth, then wipe with a dust collector.
Precautions When Using CONSULT-II EFS004PA

When connecting CONSULT-II to data link connector, connect them through CONSULT-II CONVERTER.
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
CHECK POINTS FOR USING CONSULT-II
1. Has CONSULT-II been used without connecting CONSULT-II CONVERTER on this vehicle?
G If YES, GO TO 2.

Revision: October 2006 BRC-4 2006 Titan
PRECAUTIONS
[ABS]
G If NO, GO TO 5.
2. Is there any indication other than indications relating to CAN communication system in the self-diagnosis A
results?
G If YES, GO TO 3.

G If NO, GO TO 4. B
3. Based on self-diagnosis results unrelated to CAN communication, carry out the inspection.
4. Malfunctions may be detected in self-diagnosis depending on control units carrying out CAN communica-
tion. Therefor, erase the self-diagnosis results. C
5. Diagnose CAN communication system. Refer to BRC-9, "CAN COMMUNICATION" .
Precautions for Brake Control EFS004PB D
G During ABS operation, the brake pedal may vibrate lightly and a mechanical noise may be heard. This is
normal.
G Just after starting vehicle, the brake pedal may vibrate or a motor operating noise may be heard from E
engine compartment. This is a normal status of operation check.
G Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel,
or snow-covered (fresh, deep snow) roads. BRC
G When an error is indicated by ABS or another warning lamp, collect all necessary information from cus-
tomer (what symptoms are present under what conditions) and check for simple causes before starting
diagnosis. Besides electrical system inspection, check brake booster operation, brake fluid level, and fluid G
leaks.
G If incorrect tire sizes or types are installed on the vehicle or brake pads are not Genuine NISSAN parts,
stopping distance or steering stability may deteriorate. H
G If there is a radio, antenna or related wiring near control module, ABS function may have a malfunction or
error.
G If aftermarket parts (car stereo, CD player, etc.) have been installed, check for incidents such as harness I
pinches, open circuits or improper wiring.
Precautions for CAN System EFS004PC

G Do not apply voltage of 7.0V or higher to terminal to be measured. J
G Maximum open terminal voltage of tester in use must be less than 7.0V.
G Before checking harnesses, turn ignition switch OFF and disconnect battery negative cable.
K
G Area to be repaired must be soldered and wrapped with tape.
Make sure that fraying of twisted wire is within 110 mm (4.33 in).
L

PKIA0306E

G Do not make a bypass connection to repaired area. (If the circuit
is bypassed, characteristics of twisted wire will be lost.)

PKIA0307E

Revision: October 2006 BRC-5 2006 Titan
PREPARATION
[ABS]
PREPARATION PFP:00002

Special Service Tool EFS004PE

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number Description
(Kent-Moore No.)
Tool name
-- Checking operation of ABS active wheel sen-
(J-45741) sors
ABS active wheel sensor tester

WFIA0101E

ST30031000 Removing axle shaft bearing
( -- )
Bearing splitter

ZZA0700D

Commercial Service Tools EFS004PF

Tool name Description
1. Flare nut crowfoot Removing and installing brake piping
2. Torque wrench a: 10mm (0.39 in)/12mm (0.47 in)

S-NT360

Revision: October 2006 BRC-6 2006 Titan
SYSTEM DESCRIPTION
[ABS]
SYSTEM DESCRIPTION PFP:00000
A
System Components EFS004PG

BRC

WFIA0360E
G

ABS Function EFS004PH

G The Anti-Lock Brake System detects wheel revolution while braking and improves handling stability during H
sudden braking by electrically preventing wheel lockup. Maneuverability is also improved for avoiding
obstacles.
G If the electrical system malfunctions, the Fail-Safe function is activated, the ABS becomes inoperative and I
the ABS warning lamp turns on.
G The electrical system can be diagnosed using CONSULT-II.
G During ABS operation, the brake pedal may vibrate lightly and a mechanical noise may be heard. This is J
normal.
G Just after starting the vehicle, the brake pedal may vibrate or a motor operating noise may be heard from
engine compartment. This is a normal status of operation check. K
G Stopping distance may be longer than that of vehicles without ABS when vehicle drives on rough, gravel,
or snow-covered (fresh, deep snow) roads.
L
EBD Function EFS004PI

G Electronic Brake Distribution is a function that detects subtle slippages between the front and rear wheels
during braking, and it improves handling stability by electronically controlling the brake fluid pressure
M
which results in reduced rear wheel slippage.
G If the electrical system malfunctions, the Fail-Safe function is activated, the EBD and ABS become inoper-
ative, and the ABS warning lamp and brake warning lamp are turned on.
G The electrical system can be diagnosed using CONSULT-II.
G During EBD operation, the brake pedal may vibrate lightly and a mechanical noise may be heard. This is
normal.
G Just after starting the vehicle, the brake pedal may vibrate or a motor operating noise may be heard from
engine compartment. This is a normal status of operation check.
Fail-Safe Function EFS004PJ

CAUTION:
If the Fail-Safe function is activated, perform the Self Diagnosis for ABS system.
ABS/EBD SYSTEM
In case of an electrical malfunction with the ABS, the ABS warning lamp will turn on. In case of an electrical
malfunction with the EBD system, the brake warning lamp and the ABS warning lamp will turn on.
The system will revert to one of the following conditions of the Fail-Safe function.

Revision: October 2006 BRC-7 2006 Titan
SYSTEM DESCRIPTION
[ABS]
1. For ABS malfunction, only the EBD is operative and the condition of the vehicle is the same condition of
vehicles without ABS system.
2. For EBD malfunction, the EBD and ABS become inoperative, and the condition of the vehicle is the same
as the condition of vehicles without ABS or EBD system.
Hydraulic Circuit Diagram EFS004PK

WFIA0369E

1. Inlet solenoid valve 2. Outlet solenoid valve 3. Reservoir
4. Pump 5. Motor 6. Inlet valve
7. Outlet valve 8. Bypass check valve 9. Damper
10. Pressure switch

Revision: October 2006 BRC-8 2006 Titan
CAN COMMUNICATION
[ABS]
CAN COMMUNICATION PFP:23710
A
System Description EFS004PL

Refer to LAN-25, "CAN COMMUNICATION" .
B

BRC

Revision: October 2006 BRC-9 2006 Titan
TROUBLE DIAGNOSIS
[ABS]
TROUBLE DIAGNOSIS PFP:00000

How to Perform Trouble Diagnoses for Quick and Accurate Repair EFS004PM

INTRODUCTION
The ABS system has an electronic control unit to control major func-
tions. The control unit accepts input signals from sensors and con-
trols actuator operation. It is also important to check for conventional
problems such as air leaks in the booster or lines, lack of brake fluid,
or other problems with the brake system.
It is much more difficult to diagnose a problem that occurs intermit-
tently rather than continuously. Most intermittent problems are
caused by poor electrical connections or faulty wiring. In this case,
careful checking of suspicious circuits may help prevent the replace-
ment of good parts.
A visual check only may not find the cause of the problem, so a road
SEF233G
test should be performed.
Before undertaking actual checks, take just a few minutes to talk with
a customer who approaches with an ABS complaint. The customer
is a very good source of information on such problems, especially
intermittent ones. Through the talks with the customer, find out what
symptoms are present and under what conditions they occur.
Start your diagnosis by looking for "conventional" problems first. This
is one of the best ways to troubleshoot brake problems on an ABS
equipped vehicle. Also check related Service Bulletins for informa-
tion.

SEF234G

Revision: October 2006 BRC-10 2006 Titan
TROUBLE DIAGNOSIS
[ABS]
WORK FLOW
A

BRC

LFIA0197E

Revision: October 2006 BRC-11 2006 Titan
TROUBLE DIAGNOSIS
[ABS]
CLARIFY CONCERN
G A customer's description of a vehicle concern may vary depend-
ing on the individual. It is important to clarify the customer's con-
cern.
G Ask the customer about what symptoms are present under what
conditions. Use this information to reproduce the symptom while
driving.
G It is also important to use the diagnosis sheet to understand
what type of trouble the customer is having.

SBR339B

EXAMPLE OF DIAGNOSIS SHEET

WFIA0226E

Revision: October 2006 BRC-12 2006 Titan
TROUBLE DIAGNOSIS
[ABS]
Component Parts and Harness Connector Location EFS004PN

BRC

WFIA0390E

Revision: October 2006 BRC-13 2006 Titan
TROUBLE DIAGNOSIS
[ABS]
Schematic EFS004PO

WFWA0321E

Revision: October 2006 BRC-14 2006 Titan
TROUBLE DIAGNOSIS
[ABS]
Wiring Diagram -- ABS -- EFS004PP

BRC

WFWA0322E

Revision: October 2006 BRC-15 2006 Titan
TROUBLE DIAGNOSIS
[ABS]

WFWA0200E

Revision: October 2006 BRC-16 2006 Titan
TROUBLE DIAGNOSIS
[ABS]

BRC

WFWA0259E

Revision: October 2006 BRC-17 2006 Titan
TROUBLE DIAGNOSIS
[ABS]

WFWA0323E

Revision: October 2006 BRC-18 2006 Titan
TROUBLE DIAGNOSIS
[ABS]
Basic Inspection EFS004PQ

BRAKE FLUID LEVEL, FLUID LEAK, AND BRAKE PAD INSPECTION A
1. Check fluid level in the brake fluid reservoir. If fluid level is low, add fluid.
2. Check the brake piping and around the ABS actuator and electric unit (control unit) for leaks. If there is
leaking or seeping fluid, check the following items. B
G If ABS actuator and electric unit (control unit) connection is loose, tighten the piping to the specified
torque and recheck for leaks.
G If there is damage to the connection flare nut or ABS actuator and electric unit (control unit) threads, C
replace the damaged part and recheck for leaks.
G When there is fluid leaking or seeping from a fluid connection, use a clean cloth to wipe off the fluid and
recheck for leaks. If fluid is still seeping out, replace the damaged part. If the fluid is leaking at the ABS D
actuator and electric unit (control unit), replace the ABS actuator and electric unit (control unit) assem-
bly.
CAUTION: E
The ABS actuator and electric unit (control unit) cannot be disassembled and must be replaced
as an assembly.
3. Check the brake pads for excessive wear. BRC
POWER SYSTEM TERMINAL LOOSENESS AND BATTERY INSPECTION
Make sure the battery positive cable, negative cable and ground connection are not loose. In addition, make
sure the battery is sufficiently charged. G
ABS WARNING LAMP INSPECTION
1. Make sure ABS warning lamp turns on for approximately 2 seconds when the ignition switch is turned ON.
If it does not, check CAN communications. If there are no errors with the CAN communication system, H
check the combination meter. Refer to DI-5, "COMBINATION METERS" .
2. Make sure the lamp turns off approximately 2 seconds after the ignition switch is turned ON. If the lamp
does not turn off, conduct self-diagnosis. I
3. Make sure ABS warning lamp turns off approximately 2 seconds after the engine is started. If ABS warn-
ing lamp has not turned off 10 seconds after the engine has been started, conduct self-diagnosis of the
ABS actuator and electric unit (control unit). J
4. After conducting the self-diagnosis, be sure to erase the error memory. Refer to BRC-22, "CONSULT-II
Function (ABS)" .
K

Revision: October 2006 BRC-19 2006 Titan
TROUBLE DIAGNOSIS
[ABS]
Warning Lamp and Indicator Timing EFS004PR

ABS
Condition Remarks
warning lamp
When the ignition switch is OFF

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