Nissan Frontier. Manual - part 151

BRC-132

< SYSTEM DESCRIPTION >

[TYPE 2]

HILL START ASSIST

HILL START ASSIST

System Diagram

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System Description

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• The hill start assist system will assist the driver by applying the brake automatically and preventing the vehi-

cle from rolling backward when starting on an uphill.

• The maximum holding time is 2 seconds. After 2 seconds, the vehicle will begin to roll back gradually and

then hill start assist will stop operating completely.

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HILL START ASSIST

BRC-133

< SYSTEM DESCRIPTION >

[TYPE 2]

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Component Parts Location

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1.

Front wheel sensor LH E18
Front wheel sensor RH E117

2.

Brake fluid level switch E21

3.

ABS actuator and electric unit (control unit) 
E127

4.

Hill descent control switch M155 5.

Combination meter M24

6.

Yaw rate/side/decel G sensor B73

7.

C200 rear axle

8.

Rear wheel sensor LH C11
Rear wheel sensor RH C10

9.

M226 rear axle

BRC-134

< SYSTEM DESCRIPTION >

[TYPE 2]

HILL START ASSIST

Component Description

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10. Rear wheel sensor LH C11

Rear wheel sensor RH C10

11.

Steering angle sensor (behind spiral ca-
ble) M47
(Steering wheel removed for clarity)

12. VDC OFF switch M154

13. Stop lamp switch E39

14.

Stop lamp relay E12

Component parts

Reference

ABS actuator and electric unit (control unit)

Pump

BRC-164, "Description"

Motor

Actuator relay

BRC-180, "Description"

Solenoid valve

BRC-173, "Description"

VDC switch-over valve
(CV1, CV2, SV1, SV2)

BRC-191, "Description"

Wheel sensor

BRC-168, "Description"

Yaw rate/side/decel G sensor

BRC-166, "Description"

Stop lamp switch

BRC-171, "Description"

Steering angle sensor

BRC-182, "Description"

Brake fluid level switch

BRC-185, "Description"

Hill descent control switch

BRC-196, "Description"

VDC OFF switch

BRC-198, "Description"

ABS warning lamp

BRC-200, "Description"

Brake warning lamp

BRC-201, "Description"

Hill descent control indicator lamp

BRC-202, "Description"

VDC OFF indicator lamp

BRC-203, "Description"

SLIP indicator lamp

BRC-205, "Description"

VDC

BRC-135

< SYSTEM DESCRIPTION >

[TYPE 2]

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VDC

System Diagram

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System Description

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• Vehicle Dynamics Control system detects driver

′s steering operation amount and brake pedal travel from

steering angle sensor. Using information from yaw rate/side/decel G sensor and wheel sensor, VDC judges

driving condition (conditions of under steer and over steer) to improve vehicle driving stability by controlling

brake application to 4 wheels and engine output.

• During VDC operation, it informs driver of system operation by flashing SLIP indicator lamp.

• Electrical system diagnosis by CONSULT is available.

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