Infiniti QX56 (Z62). Manual — part 163

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

BRC-137

< REMOVAL AND INSTALLATION >

[WITH VDC]

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ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

Removal and Installation

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REMOVAL

1.

Remove hydraulic booster assembly. Refer to

BR-29, "Removal and Installation"

.

CAUTION:

After replacing the hydraulic booster assembly or motor/accumulator assembly, always follow the
accumulator disposal procedure to discard the hydraulic booster assembly or motor/accumulator
assembly. Refer to

BR-33, "Disposal"

.

2.

Remove ABS actuator and electric unit (control unit). Refer to

BR-30, "Disassembly and Assembly"

.

INSTALLATION

Note the following, and install in the reverse order of removal.
• When installing brake tube, tighten to the specified torque using a crowfoot and torque wrench so that flare

nut and brake tube are not damaged. Refer to

BR-22, "FRONT : Exploded View"

.

• Never remove and install hydraulic booster assembly by holding harness.
• Bleed air from brake piping after installation. Refer to

BR-11, "Bleeding Brake System"

.

• Never apply excessive impact to hydraulic booster assembly, such as by dropping it.
• Check that connector is fully locked after hydraulic booster assembly harness connector is installed.
• Perform decel G sensor calibration when hydraulic booster assembly [ABS actuator and electric unit (control

unit)] is replaced. Refer to

BRC-66, "Work Procedure"

.

BRC-138

< REMOVAL AND INSTALLATION >

[WITH VDC]

YAW RATE/SIDE/DECEL G SENSOR

YAW RATE/SIDE/DECEL G SENSOR

Exploded View

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Removal and Installation

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REMOVAL

CAUTION:

Never drop or strike yaw rate/side/decel G sensor, because it has little endurance to impact. Never use
a pneumatic tool.

1.

Remove console finisher assembly. Refer to

IP-25, "Removal and Installation"

.

2.

Disconnect yaw rate/side/decel G sensor harness connector.

3.

Remove yaw rate/side/decel G sensor.

INSTALLATION

Note the following, and install in the reverse order of removal.
• Never drop or strike yaw rate/transverse/decel G sensor, because it has little endurance to impact. Never

use a power tool.

• Perform decel G sensor calibration when yaw rate/side/decel G sensor is removing/installing or replaced.

Refer to

BRC-66, "Work Procedure"

.

1.

Yaw rate/side/decel G sensor

2.

Yaw rate/side/decel G sensor har-
ness connector

: Vehicle front

Refer to

GI-4, "Components"

for symbols in the figure.

JPFIC0201GB

STEERING ANGLE SENSOR

BRC-139

< REMOVAL AND INSTALLATION >

[WITH VDC]

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STEERING ANGLE SENSOR

Removal and Installation

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REMOVAL

1.

Remove spiral cable assembly. Refer to

SR-14, "Removal and Installation"

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2.

Remove steering angle sensor.

INSTALLATION

Note the following, and install in the reverse order of removal.
• Perform steering angle sensor neutral position adjustment when steering angle sensor is removing/installing

or replaced. Refer to

BRC-64, "Work Procedure"

.

BRC-140

< REMOVAL AND INSTALLATION >

[WITH VDC]

VDC OFF SWITCH

VDC OFF SWITCH

Removal and Installation

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NOTE:
VDC OFF switch is integrated in SNOW MODE / TOW MODE / VDC OFF switch assembly (2WD models) or
4WD switch assembly (4WD models).

REMOVAL

1.

Remove console finisher assembly from center console assembly. Refer to

IP-25, "Removal and Installa-

tion"

.

2.

Disconnect SNOW MODE / TOW MODE / VDC OFF switch assembly (2WD models) or 4WD switch
assembly (4WD models) harness connector.

3.

Press SNOW MODE / TOW MODE / VDC OFF switch assembly (2WD models) or 4WD switch assembly
(4WD models) fixing pawls, and remove SNOW MODE / TOW MODE / VDC OFF switch assembly (2WD
models) or 4WD switch assembly (4WD models) from console finisher assembly.

INSTALLATION

Install in the reverse order of removal.