2007 INFINITI FX35 Service Manual

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INFINITI FX35 2007 Service Manual REAR DISC BRAKE BR-27
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Revision: 2006 July 2007 FX35/FX45
Do not reuse drained brake fluid.
1. Install disc rotor. CAUTION:
Align the matching marks of disc r

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INFINITI FX35 2007 Service Manual BR-28
REAR DISC BRAKE
Revision: 2006 July 2007 FX35/FX45
5. Using a flat-bladed screwdriver, remove piston seals from cylin-
der body.
CAUTION:
Be careful not to damage cylinder inner wall.
INSPECT

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INFINITI FX35 2007 Service Manual REAR DISC BRAKE BR-29
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Revision: 2006 July 2007 FX35/FX45
3. Apply brake fluid to piston, and press piston into cylinder body
by hand to assemble piston side li

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INFINITI FX35 2007 Service Manual BR-30
REAR DISC BRAKE
Revision: 2006 July 2007 FX35/FX45
DISC ROTOR INSPECTION
Visual Inspection
Check surfaces of disc rotor for uneven wear, cracks, and serious damage. If a malfunction is detected

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INFINITI FX35 2007 Service Manual SERVICE DATA AND SPECIFICATIONS (SDS) BR-31
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Revision: 2006 July 2007 FX35/FX45
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
General SpecificationsNFS000MJ
Uni

SERVICE DATA AND SPECIFICATIONS (SDS) BR-31
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Revision: 2006 July 2007 FX35/FX45
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
General SpecificationsNFS000MJ
Unit: mm (in)
Brake PedalNFS000MK
Brake BoosterNFS000ML
Va c u u m t y p e
Check ValveNFS000MM
Front Disc BrakeNFS000MN
Rear Disc BrakeNFS000MO
Front brake Rotor outer diameter
× thickness 320 × 34 (12.598 × 1.339)
Pad length × width × thickness 130.0 × 50.0 × 11.0 (5.118 × 1.969 × 0.433)
Cylinder bore diameter 45.0 (1.772) × 2
Rear brake Rotor outer diameter
× thickness 308 × 16 (12.13 × 0.63)
Pad length × width × thickness 83.0 × 33.0 × 8.5 (3.268 × 1.299 × 0.335)
Cylinder bore diameter 42.86 (1.6874)
Master cylinder Cylinder bore diameter 25.4 (1.00)
Control valve Valve model Electric brake force distribution
Brake booster Diaphragm diameter Primary 228.5 (9.0)
Secondary 203.0 (8.0)
Recommended brake fluid DOT 3
Brake pedal height (from dash lower panel top surface) 161.5 − 171.5 mm (6.358 − 6.752 in)
Depressed pedal height
[under a force of 490 N (50 kg, 110 lb) with engine running] More than 95 mm (3.74 in)
Clearance between stopper rubber and the threaded end of stop lamp
switch and ASCD cancel switch (or brake switch) 0.74
− 1.96 mm (0.0291 − 0.0772 in)
Pedal play 3 − 11 mm (0.12 − 0.43 in)
Output rod length 15.6 − 15.9 mm (0.614 − 0.626 in)
Input rod length 126.5 mm (4.98 in)
Vacuum leakage
[at a vacuum of –66.7 kPa (–500 mmHg, –19.69 inHg)] Within vacuum of 1.3 kPa (10 mmHg, 0.39 inHg) for 15
seconds
Brake pad Standard thickness 11.0 mm (0.433 in)
Repair limit thickness 2.0 mm (0.079 in)
Disc rotor Standard thickness 34.0 mm (1.339 in)
Wear limit 32.0 mm (1.260 in)
Maximum uneven wear (measured at 8 positions) 0.015mm (0.0006 in) or less
Runout limit (with the disc rotor attached to the vehicle) 0.04 mm (0.0016 in) or less
Brake pad Standard thickness 8.5 mm (0.335 in)
Repair limit thickness 2.0 mm (0.079 in)
Disc rotor Standard thickness 16.0 mm (0.630 in)
Wear limit 14.0 mm (0.551 in)
Maximum uneven wear (measured at 8 positions) 0.015 mm (0.0006 in) or less
Runout limit (with the disc rotor attached to the vehicle) 0.05 mm (0.0020 in) or less

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INFINITI FX35 2007 Service Manual BR-32
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: 2006 July 2007 FX35/FX45

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INFINITI FX35 2007 Service Manual BRC-1
BRAKE CONTROL SYSTEM
F BRAKES
CONTENTS
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SECTION
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BRC
Revision: 2006 July 2007 FX35/FX45
BRAKE CONTROL SYSTEM
VDC/TCS/ABS
PRECAUTIONS .........................

BRC-1
BRAKE CONTROL SYSTEM
F BRAKES
CONTENTS
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SECTION
A
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BRC
Revision: 2006 July 2007 FX35/FX45
BRAKE CONTROL SYSTEM
VDC/TCS/ABS
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 3
Precautions for Brake System ............................. ..... 3
Precautions for Brake Control ............................. ..... 3
PREPARATION ...................................................... ..... 5
Special Service Tools .......................................... ..... 5
Commercial Service Tools ................................... ..... 5
ON-VEHICLE SERVICE ........................................ ..... 6
Adjustment of Steering Angle Sensor Neutral Posi-
tion ...................................................................... ..... 6
Calibration of Decel G Sensor (AWD Models) .... ..... 7
SYSTEM DESCRIPTION ....................................... ..... 8
System Diagram .................................................. ..... 8
Functions ............................................................. ..... 8
VDC .................................................................. ..... 8
TCS .................................................................. ..... 8
ABS .................................................................. ..... 9
EBD .................................................................. ..... 9
Fail-Safe Function ............................................... ..... 9
VDC / TCS SYSTEM ........................................ ..... 9
ABS, EBD SYSTEM ......................................... ..... 9
Hydraulic Circuit Diagram ................................... ... 10
CAN Communication ........................................... ... 10
SYSTEM DESCRIPTION ................................. ... 10
TROUBLE DIAGNOSIS ......................................... ....11
Fail-Safe Function ............................................... .... 11
VDC/TCS SYSTEM .......................................... .... 11
ABS, EBD SYSTEM ......................................... .... 11
How to Proceed with Diagnosis .......................... .... 11
BASIC CONCEPT ............................................ .... 11
DIAGNOSIS FLOWCHART ............................. ... 12
ASKING COMPLAINTS ................................... ... 13
EXAMPLE OF DIAGNOSIS SHEET ................ ... 13
Component Installation Location ......................... ... 14
Schematic ........................................................... ... 15
Wiring Diagram — VDC — .................................. ... 16
Control Unit Input/Output Signal Standard .......... ... 22 REFERENCE VALUE FROM CONSULT-II ......
... 22
CONSULT-II Functions (ABS) ............................. ... 24
CONSULT-II MAIN FUNCTION ........................ ... 24
CONSULT-II SETTING PROCEDURE ............. ... 24
Self-Diagnosis ..................................................... ... 25
DESCRIPTION ................................................. ... 25
OPERATION PROCEDURE ............................. ... 25
ERASE MEMORY ............................................ ... 25
DISPLAY ITEM LIST ........................................ ... 26
Data Monitor ........................................................ ... 29
OPERATION PROCEDURE ............................. ... 29
DISPLAY ITEM LIST ........................................ ... 29
Active Test ........................................................... ... 31
OPERATION PROCEDURE ............................. ... 31
TEST ITEM ....................................................... ... 32
For Fast and Accurate Diagnosis ........................ ... 33
PRECAUTIONS FOR DIAGNOSIS .................. ... 33
Basic Inspection .................................................. ... 34
BRAKE FLUID AMOUNT, LEAKS, AND BRAKE
PADS INSPECTION ......................................... ... 34
POWER SYSTEM TERMINAL LOOSENESS
AND BATTERY INSPECTION .......................... ... 34
ABS WARNING LAMP, VDC OFF INDICATOR
LAMP, SLIP INDICATOR LAMP AND BRAKE
WARNING LAMP INSPECTION ...................... ... 34
TROUBLE DIAGNOSIS FOR SYSTEM ................. ... 36
Wheel Sensor Circuit ........................................... ... 36
INSPECTION PROCEDURE ........................... ... 36
Engine System .................................................... ... 38
INSPECTION PROCEDURE ........................... ... 38
VDC/TCS/ABS Control Unit Circuit ..................... ... 38
INSPECTION PROCEDURE ........................... ... 38
Pressure Sensor Circuit ....................................... ... 39
INSPECTION PROCEDURE ........................... ... 39
Steering Angle Sensor Circuit .............................. ... 41
INSPECTION PROCEDURE ........................... ... 41
Yaw Rate/Side G Sensor (2WD Models), Yaw Rate/
Side/Decel G Sensor (AWD Models) Circuit ........ ... 42
INSPECTION PROCEDURE ........................... ... 42
Solenoid and VDC Change-Over Valve Circuit ... ... 44

Page 1128 of 4366

INFINITI FX35 2007 Service Manual BRC-2Revision: 2006 July 2007 FX35/FX45
INSPECTION PROCEDURE ............................
... 44
Actuator Motor Circuit .......................................... ... 45
INSPECTION PROCEDURE ...

BRC-2Revision: 2006 July 2007 FX35/FX45
INSPECTION PROCEDURE ............................
... 44
Actuator Motor Circuit .......................................... ... 45
INSPECTION PROCEDURE ............................ ... 45
ABS Actuator and Electric Unit (Control Unit) Power
Supply and Ground Circuit .................................. ... 46
INSPECTION PROCEDURE ............................ ... 46
Stop Lamp Switch Circuit ..................................... ... 48
INSPECTION PROCEDURE ............................ ... 48
Brake Fluid Level Switch Circuit .......................... ... 50
INSPECTION PROCEDURE ............................ ... 50
When “ST ANG SEN SIGNAL” Appears on Self-
diagnosis Results Display .................................... ... 51
INSPECTION PROCEDURE ............................ ... 51
When “DECEL G SEN SET” Appears on Self-diag-
nostic Results Display (AWD Models) ................. ... 51
INSPECTION PROCEDURE ............................ ... 51
CAN Communication Circuit ................................ ... 52
INSPECTION PROCEDURE ............................ ... 52
Component Inspection ......................................... ... 52
VDC OFF SWITCH ........................................... ... 52
TROUBLE DIAGNOSIS FOR SYMPTOMS ........... ... 53
Excessive ABS Function Operation Frequency ... ... 53
Unexpected Pedal Reaction ................................ ... 53
The Braking Distance is Long .............................. ... 54 The ABS Function Does Not Operate ..................
... 54
Pedal Vibration or ABS Operation Sound Occurs ... 54
Vehicle Jerks During VDC/TCS/ABS Control ....... ... 55
WHEEL SENSORS ................................................ ... 57
Removal and Installation ...................................... ... 57
REMOVAL ......................................................... ... 57
INSTALLATION ................................................. ... 57
SENSOR ROTOR ................................................... ... 59
Removal and Installation ...................................... ... 59
REMOVAL ......................................................... ... 59
INSTALLATION ................................................. ... 59
ACTUATOR AND ELECTRIC UNIT (ASSEMBLY) ... 60 Removal and Installation ...................................... ... 60
REMOVAL ......................................................... ... 60
INSTALLATION ................................................. ... 61
G SENSOR ............................................................. ... 62
Removal and Installation ...................................... ... 62
REMOVAL ......................................................... ... 62
INSTALLATION ................................................. ... 62
STEERING ANGLE SENSOR ................................ ... 63
Removal and Installation ...................................... ... 63
REMOVAL ......................................................... ... 63
INSTALLATION ................................................. ... 63

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