2008 INFINITI FX35 Service Manual

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Page 1009 of 3924

INFINITI FX35 2008 Service Manual
REAR DISC BRAKEBR-25
< SERVICE INFORMATION >
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WARNING:
Clean dust on caliper and brake pad with a vacuum du st collector to minimize the hazard of airborne
particles or

REAR DISC BRAKEBR-25
< SERVICE INFORMATION >
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WARNING:
Clean dust on caliper and brake pad with a vacuum du st collector to minimize the hazard of airborne
particles or other materials.
CAUTION:
While removing cylinder body, never depr ess brake pedal because piston will pop out.
It is not necessary to remove bolts on torq ue member and brake hose except for disassembly or
replacement of caliper assembly. In this case, hang cylinder body with a wire so as not to stretch
brake hose.
Do not damage piston boot.
If any shim is subject to serious corrosion, replace it with a new one.
Always replace shims and shim covers as a set when replacing brake pads.
Keep rotor clean, from brake fluid.
Burnish brake contact surface after refinishing or replacing rotors, after replacing pads, or if a soft
pedal occurs at very low mileage. Refer to BR-29, "
Brake Burnishing Procedure".
Removal and Installation of Brake PadINFOID:0000000001327635
REMOVAL
1. Remove tires from vehicle with power tool.
2. Remove sliding pin bolt (one on top).
3. Suspend cylinder body with a wire, and remove pads, pad retainers, shim from torque member.
INSTALLATION
1. Apply PBC (Poly Butyl Cuprysil) grease or silic one-based grease to the backside of pad and to both sides
of shim, and install inner shim and shim cover to inner pad, and install the outer shim to outer pad.
2. Install pad retainer and mount pad assemblies to torque member.
3. Push piston in so that pad is firmly installed and mount cylinder body to torque member. CAUTION:
When replacing pads with new ones, press in piston until pads can be installed. In this case, care-
fully monitor brake fluid level in reservoir tank because brake fluid will return to master cylinder
reservoir tank.
4. Install sliding pin bolt (one on top) and tighten to the specified torque. Refer to BR-24, "
Component".
5. Check brake for drag.
6. Install tires to the vehicle.
Removal and Installation of Brake Caliper AssemblyINFOID:0000000001327636
REMOVAL
1. Remove tires from vehicle with power tool.
2. Fasten disc rotor using wheel nut.
3. Drain brake fluid. Refer to BR-8, "
Drain and Refill".
4. Remove union bolt and torque member bolts, and remove brake caliper assembly from the vehicle.
5. Remove disc rotor. CAUTION:
Put matching marks on both disc rotor and wheel hub when
removing disc rotor.
INSTALLATION
Refer to GI-8, "Component" and the followings for the symbols in the figure.
1: Apply rubber grease.
2: Apply PBC (Poly Butyl Cuprysil) grease or silicone-based grease.
3: Apply polyglycol ether based lubricant.
: Apply brake fluid.
PFIA0413E
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Page 1010 of 3924

INFINITI FX35 2008 Service Manual
BR-26
< SERVICE INFORMATION >
REAR DISC BRAKE
CAUTION:
Refill with new brake fluid “DOT 3”.
Do not reuse drained brake fluid.
1. Install disc rotor.CAUTION:
Align the matching marks of disc r

Page 1011 of 3924

INFINITI FX35 2008 Service Manual
REAR DISC BRAKEBR-27
< SERVICE INFORMATION >
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5. Using a flat-bladed screwdriver, remove piston seals from cylin- der body.
CAUTION:
Be careful not to damage cylinder i

Page 1012 of 3924

INFINITI FX35 2008 Service Manual
BR-28
< SERVICE INFORMATION >
REAR DISC BRAKE
3. Apply brake fluid to piston, and press piston into cylinder bodyby hand to assemble piston side lip on piston boot properly into
groove on piston.
CAU

BR-28
< SERVICE INFORMATION >
REAR DISC BRAKE
3. Apply brake fluid to piston, and press piston into cylinder bodyby hand to assemble piston side lip on piston boot properly into
groove on piston.
CAUTION:
Press piston evenly and change the pressing point to pre-
vent the inner wall of cylinder from being rubbed.
4. Fix piston boot with retaining ring. CAUTION:
Make sure boot is firmly in cylinder body groove.
Do not reuse retaining ring.
5. Install sliding pin bolts and sliding pin boots to torque member.
6. Apply PBC (Poly Butyl Cuprysil) grease or silicone- based grease to the backside of brake pad and to both
sides of shim, and attach inner shim and shim cover to inner pad, and the outer shim to outer pad.
7. Assembling shims and shim cover to pad. CAUTION:
When attaching pad retainer, inst all it firmly so that it does
not float up higher than torque member, as shown in the fig-
ure.
8. Install brake pad retainer and pad to torque member.
9. Install cylinder body. Tighten sliding pin bolts to the specified torque. Refer to BR-24, "
Component".
10. After installing caliper assembly, refill with new brake fluid and bleed air. Refer to BR-8, "
Bleeding Brake System".
DISC ROTOR INSPECTION
Visual Inspection
Check surfaces of disc rotor for uneven wear, cra cks, and serious damage. If a malfunction is detected,
replace applicable part.
Runout Inspection
1. Using wheel nuts, fix the disc rotor to wheels hub. (2 or more positions)
2. Using a dial indicator, check runout.
CAUTION:
Before measuring, make sure that wheel bearing axle end
play is within the specification. Refer to RAX-6, "
On-Vehicle
Inspection".
3. If runout is outside the limit, find minimum runout point by shift- ing mounting positions of disc rotor and wheel hub by one hole.
SFIA2279E
SFIA2280E
PFIA0273E
Measurement point : At a point 10 mm (0.394 in)
from outer edge of disc.
Runout limit : 0.05 mm (0.0020 in) or less
SBR019B
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Page 1013 of 3924

INFINITI FX35 2008 Service Manual
REAR DISC BRAKEBR-29
< SERVICE INFORMATION >
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4. If runout is still outside the limit after performing the above operation, replace or lathe the disc rotor.
[When lath

Page 1014 of 3924

INFINITI FX35 2008 Service Manual
BR-30
< SERVICE INFORMATION >
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General SpecificationINFOID:0000000001327639
Unit: mm (in)
Brake PedalINFOID:0000000001327640

BR-30
< SERVICE INFORMATION >
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General SpecificationINFOID:0000000001327639
Unit: mm (in)
Brake PedalINFOID:0000000001327640
Brake BoosterINFOID:0000000001327641
Vacuum type
Check ValveINFOID:0000000001327642
Front Disc BrakeINFOID:0000000001327643
Rear Disc BrakeINFOID:0000000001327644
Front brakeRotor 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 padStandard 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)
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Page 1015 of 3924

INFINITI FX35 2008 Service Manual
SERVICE DATA AND SPECIFICATIONS (SDS)
BR-31
< SERVICE INFORMATION >
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Disc rotor Standard thickness 16.0 mm (0.630 in)
Wear limit 14.0 mm (0.551 in)
Maximum uneven wea

Page 1016 of 3924

INFINITI FX35 2008 Service Manual
BRC-1
BRAKES
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SECTION BRC
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CONTENTS
BRAKE CONTROL SYSTEM
VDC/TCS/ABS
SERVICE INFORMATION .. ..........................
3
DTC INDEX ....................................

BRC-1
BRAKES
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SECTION BRC
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CONTENTS
BRAKE CONTROL SYSTEM
VDC/TCS/ABS
SERVICE INFORMATION .. ..........................
3
DTC INDEX ..................................................... .....3
C1101-C1116 ...................................................... ......3
C1120-C1136 ............................................................3
C1140-C1170 ............................................................3
U1000 ........................................................................4
PRECAUTIONS ...................................................5
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
5
Precaution for Brake System ....................................5
Precaution for Brake Control .....................................5
PREPARATION ...................................................7
Special Service Tool ........................................... ......7
Commercial Service Tool ..........................................7
ON-VEHICLE SERVICE ......................................8
Adjustment of Steering Angle Sensor Neutral Po-
sition .................................................................... ......
8
Calibration of Decel G Sensor (AWD Models) ..........8
SYSTEM DESCRIPTION ................................ ....10
Schematic ........................................................... ....10
Functions .................................................................10
Fail-Safe Function ...................................................11
Hydraulic Circuit Diagram .......................................12
CAN Communication ...............................................12
TROUBLE DIAGNOSIS .....................................13
Fail-Safe Function ............................................... ....13
How to Proceed with Diagnosis ..............................13
Component Part Location .......................................16
Schematic ...............................................................17
Wiring Diagram - VDC - ..........................................18
Control Unit Input/Output Signal Standard ..............23
CONSULT-III Functions (ABS) ................................26
Self-Diagnosis ..................................................... ....26
Data Monitor ........................................................ ....28
Active Test ...............................................................30
For Fast and Accurate Diagnosis ............................31
Basic Inspection ......................................................32
TROUBLE DIAGNOSIS FOR SYSTEM ............34
DTC C1101 RR RH SENSOR-1 ..............................34
DTC C1102 RR LH SENSOR-1 ..............................35
DTC C1103 FR RH SENSOR-1 ..............................35
DTC C1104 FR LH SENSOR-1 ...............................35
DTC C1105 RR RH SENSOR-2 ..............................36
DTC C1106 RR LH SENSOR-2 ..............................36
DTC C1107 FR RH SENSOR-2 ..............................36
DTC C1108 FR LH SENSOR-2 ...............................36
DTC C1109 BATTERY VOLTAGE [ABNORMAL] ....36
DTC C1110 CONTROLLER FAILURE ....................37
DTC C1111 PUMP MOTOR ....................................37
DTC C1113 G-SENSOR .........................................38
DTC C1115 ABS SENSOR [ABNORMAL SIG-
NAL] .........................................................................
39
DTC C1116 STOP LAMP SW .................................39
DTC C1120 FR LH IN ABS SOL .............................40
DTC C1121 FR LH OUT ABS SOL .........................41
DTC C1122 FR RH IN ABS SOL ......................... ....41
DTC C1123 FR RH OUT ABS SOL .........................42
DTC C1124 RR LH IN ABS SOL .............................42
DTC C1125 RR LH OUT ABS SOL ..................... ....42
DTC C1126 RR RH IN ABS SOL ............................42
DTC C1127 RR RH OUT ABS SOL ........................42
DTC C1130 ENGINE SIGNAL 1 .......................... ....42
DTC C1131 ENGINE SIGNAL 2 ..............................42
DTC C1132 ENGINE SIGNAL 3 ..............................42
DTC C1133 ENGINE SIGNAL 4 ..............................42
DTC C1136 ENGINE SIGNAL 6 ..............................42
DTC C1140 ACTUATOR RLY .................................43
DTC C1142 PRESS SEN CIRCUIT ........................43
DTC C1143 ST ANG SEN CIRCUIT ................... ....44
DTC C1144 ST ANG SEN SIGNAL .........................45
DTC C1145 YAW RATE SENSOR ..........................46
DTC C1146 SIDE G-SEN CIRCUIT ........................46
DTC C1155 BR FLUID LEVEL LOW .......................46
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