parking sensors INFINITI FX35 2007 Service Manual

REAR WHEEL HUB AND KNUCKLE RAX-5
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Revision: 2006 July 2007 FX35/FX45
REAR WHEEL HUB AND KNUCKLEPFP:40202
On-Vehicle Inspection NDS000D1
Make sure the mounting conditions (looseness, back lash) of each component and component status (wear,
damage) are normal.
WHEEL BEARING INSPECTION
With the vehicle raised, inspect the following.

Move wheel hub in the axial direction by hand. Check that there is no looseness of front wheel bearing.

Rotate wheel hub and make sure there is no unusual noise or other irregular conditions. If there are any
irregular conditions, replace wheel hub and bearing assembly.
Removal and InstallationNDS000CI
COMPONENTS
REMOVAL
1. Remove tires from vehicle with power tool.
2. Remove cotter pin. Then remove lock nut from drive shaft.
3. Remove brake caliper with power tool. Hang it in a place where it will not interfere with work. Refer to BR-
26, "Removal and Installation of Brake Caliper Assembly" .
NOTE:

Avoid depressing brake pedal while brake caliper is removed.
4. Remove disc rotor. Refer to BR-26, "
Removal and Installation of Brake Caliper Assembly" .
5. Remove parking cable and parking shoe from back plate. Refer to PB-4, "
Removal and Installation" .
6. Remove wheel sensor from axle. Refer to BRC-57, "
WHEEL SENSORS" .
CAUTION:
Do not pull on wheel sensor harness.
7. Separate drive shaft from wheel hub and bearing assembly by lightly tapping the end with a suitable ham- mer and wood block. If it is hard to separate, use a suitable puller.
8. Remove fixing bolts of wheel hub and bearing assembly with power tool, then remove wheel hub and bearing assembly from axle. Axial end play : 0.05 mm (0.002 in) or less
1. Drive shaft 2. Bushing 3. Axle
4. Back plate 5. Anchor block 6. Wheel bearing
7. Wheel hub 8. Cotter pin
SDIA1481E

REAR SUSPENSION MEMBER RSU-17
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Revision: 2006 July 2007 FX35/FX45
REAR SUSPENSION MEMBERPFP:55501
Removal and InstallationNES000GF
REMOVAL
1. Remove tires from vehicle with power tool.
2. Remove brake caliper with power tool. Hang it in a place where it will not interfere with work. Refer to BR-
25, "REAR DISC BRAKE" .
NOTE:
Avoid depressing brake pedal while brake caliper is removed.
3. Remove wheel sensor from rear final drive, then remove wheel sensor harness from rear suspension member. Refer to BRC-57, "
WHEEL SENSORS" .
4. Remove height sensor harness from rear suspension member (if equipped).
5. Remove center muffler and main muffler. Refer to EX-3, "
EXHAUST SYSTEM" .
6. Remove stabilizer bar. Refer to RSU-16, "
Removal and Installation" .
7. Remove rear drive shaft. Refer to RAX-9, "
REAR DRIVE SHAFT" .
8. Remove propeller shaft. Refer to PR-7, "
REAR PROPELLER SHAFT" .
9. Remove rear final drive. Refer to RFD-16, "
Removal and Installation" .
10. Separate attachments between parking brake cable and vehicle and rear suspension member. Refer to PB-4, "
PARKING BRAKE CONTROL" .
11. Remove rear lower link and coil spring. Refer to RSU-14, "
Removal and Installation" .
12. Remove fixing bolt in lower side of shock absorber with power tool.
13. Set jack under rear suspension member.
14. Remove fixing bolts and nuts of tunnel stay and member stay with power tool, then remove those parts from vehicle and rear suspension member.
15. Remove fixing bolts and nuts of rear pin stay with power tool and then remove rear pin stay from vehicle and rear suspension member.
16. Slowly lowering jack, then remove rear suspension member, suspension arm, radius rod, front lower link and axle from vehicle as a unit.
17. Remove fixing bolts and nuts with power tool, then remove suspension arm, front lower link, and radius rod from rear suspension member.
INSPECTION AFTER REMOVAL
Check rear suspension member for deformation, cracks, and other damage and replace if necessary.
INSTALLATION

Refer to RSU-7, "Removal and installation" , for tightening torque. Install in the reverse order of removal.
NOTE:
Refer to component parts location and do not reuse non-reusable parts.

Perform final tightening of installation position of links (rubber bushing) under unladen conditions with tires
on level ground. Check wheel alignment. Refer to RSU-5, "
Wheel Alignment Inspection" .

After adjusting wheel alignment, adjust neutral position of steering angle sensor. Refer to BRC-6, "Adjust-
ment of Steering Angle Sensor Neutral Position" .

AWD SYSTEM TF-13
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Revision: 2006 July 2007 FX35/FX45
COMPONENTS FUNCTION DESCRIPTION
CAN CommunicationNDS0009X
SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
For details, refer to LAN-49, "
CAN System Specification Chart" .
Component parts Function
AWD control unit

Controls driving force distribution by signals from each sensor and switch from rear wheel driving
mode (0:100) to AWD mode (50:50).

2WD mode is available by fail-safe function if malfunction is detected in AWD system.
Wheel sensors Detects wheel speed.
AWD solenoid Controls electric controlled coupling by command current from AWD control unit.
Electric controlled coupling Transmits driving force to front final drive.
AWD warning lamp

Illuminates if malfunction is detected in electrical system of AWD system.

There is 1 blink in 2 seconds if rotation difference of front wheels and rear wheels is large.

There are 2 blinks in 1 second if load is still applied to driving parts.
ABS actuator and electric unit
(control unit) Transmits the following signals via CAN communication to AWD control unit.

Vehicle speed signal

Stop lamp switch signal (brake signal)
ECM Transmits the following signals via CAN communication to AWD control unit.

Accelerator pedal position signal

Engine speed signal
Unified meter and A/C amp. Transmits conditions of parking brake switch via CAN communication to AWD control unit.