Infiniti Q45. Manual - part 275

VDC/TCS/ABS CONTROL UNIT

BRC-65

[VDC/TCS/ABS]

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BRC

VDC/TCS/ABS CONTROL UNIT

PFP:47660

Removal and Installation

NFS000DN

REMOVAL

1.

Remove instrument lower cover. Refer to 

IP-15, "(O) Instrument Lower Cover"

 .

2.

Remove instrument finisher. Refer to 

IP-16, "(Q) Instrument Fin-

isher"

 .

3.

Remove grove box assembly. Refer to 

IP-15, "(P) Glove Box"

 .

4.

Remove grove box cover. Refer to 

IP-16, "(R) Glove Box Cover"

. 

5.

Remove instrument panel bracket.

6.

Remove ECM. Refer to 

EC-105, "ECM Terminals and Reference

Value"

 .

7.

Remove VDC/TCS/ABS control unit.

INSTALLATION

Installation in the reverse order of removal.

NOTE:
If the case that VDC/TCS/ABS control unit are replaced, make sure to adjust position of steering angle sensor.
Refer to 

BRC-6, "Adjustment of Steering Angle Sensor Neutral Position"

 .

SFIA2616E

BRC-66

[VDC/TCS/ABS]

SENSOR ROTOR

SENSOR ROTOR

PFP:47970

Removal and Installation

NFS000DO

REMOVAL
Front

Refer to 

FAX-4, "FRONT WHEEL HUB AND KNUCKLE"

 .

Rear

Follow procedure below to remove rear sensor rotor.

●

Remove side flange. Refer to 

RFD-16, "REAR FINAL DRIVE ASSEMBLY"

 .

●

Using a bearing replacer (suitable tool) and puller (suitable tool), remove sensor rotor from the companion
flange.

INSTALLATION
Front

Refer to 

FAX-4, "FRONT WHEEL HUB AND KNUCKLE"

 .

Rear

Follow procedure below to install rear sensor rotor.

●

Using a drift (special service tool), press rear sensor rotor onto
the side flange.

●

Install side flange.Refer to 

RFD-16, "REAR FINAL DRIVE

ASSEMBLY"

 .

SFIA2040J

ACTUATOR

BRC-67

[VDC/TCS/ABS]

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BRC

ACTUATOR

PFP:47600

Removal and Installation

NFS000DP

COMPONENTS

REMOVAL

1.

Disconnect VDC actuator connectors.

2.

Loosen brake tube flare nuts, then remove brake tubes from VDC actuator.

3.

Remove VDC actuator mounting nuts and actuator bracket mounting bolts.

4.

Remove VDC actuator assembly from vehicle.

5.

Remove VDC actuator from actuator bracket.

CAUTION:

Be careful of the following when removing VDC actuator.

●

If the part number on the part number label (pasted on VDC actuator upper surface) is the same,
VDC actuator cannot be used on another vehicle.
If it is used on another vehicle, ABS warning lamp, SLIP indicator lamp and VDC OFF indicator
lamp may turn on or VDC/TCS/ABS may not operate normally.
When replacing VDC actuator, must use new service parts.

●

Before servicing, disconnect battery cables.

●

To remove brake tube, use a flare nut wrench to prevent flare nuts and brake tube from being dam-
aged. 

1.

To front caliper (LH)

2.

To front caliper (RH)

3.

From master cylinder primary side

4.

From master cylinder secondary 
side

5.

To rear caliper (RH)

6.

To rear caliper (LH)

7.

VDC actuator

8.

Actuator bracket

SFIA2496E

BRC-68

[VDC/TCS/ABS]

ACTUATOR

●

Do not apply excessive impact to VDC actuator, such as dropping it. 

●

Do not remove and install VDC actuator by holding harness.

INSTALLATION

To install, follow procedure for removal in reverse order.

CAUTION:

Be careful of the following when installing VDC actuator.

●

Tighten the mounting nuts and actuator bracket mounting bolts to the specified torque. Refer to

BRC-67, "COMPONENTS"

 .

●

To install, use a flare nut torque wrench (special service tool) and tighten to the specified torque.
Refer to 

BR-10, "Hydraulic Circuit"

 .

●

After the work, bleed air from brake piping. Refer to 

BR-9, "Bleeding Brake System"

 .