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Nissan Sentra B18 (2020-2025) Service Manual: Component Parts

Intelligent Cruise Control System

Component Parts Location

Component Parts Location

A.

Front bumper fascia area

(view with front bumper fascia removed)

B.

Left side of instrument panel

(view with instrument lower panel LH removed)

C.

Brake pedal area

(view with of brake pedal assembly removed)

No.

Component

Function

1.

ADAS (Advanced Driver Assistance System) control unit 2

Refer to ADAS Control Unit 2.

Refer to Component Parts Location for detailed component location.

2.

ABS (Anti-lock Braking System) actuator and electric unit (control unit)

  • ABS actuator and electric unit (control unit) transmits the Nissan Sentra vehicle speed signal (wheel speed) and VDC/TCS/ABS system operation condition to ADAS control unit 2 via CAN communication.

  • ABS actuator and electric unit (control unit) controls the brake based on a brake fluid pressure control signal received from the ADAS control unit 2 via CAN communication.

Refer to Component Parts Location for detailed component location.

3.

TCM (Transmission Control Module) (with CVT)

TCM transmits the signal related to CVT control to ADAS control unit 2 via CAN communication.

Refer to Component Parts Location for detailed component location.

4.

ECM (Engine Control Module)

  • ECM transmits the accelerator pedal position signal, brake pedal position switch signal, ICC steering switch signal, etc., to ADAS control unit 2 via CAN communication.

  • ECM controls the electric throttle control actuator based on the engine torque demand received from the ADAS control unit 2 via CAN communication.

Refer to Component Parts Location for detailed component location.

5.

Clutch master cylinder (clutch switch) (with M/T)

Transmits the clutch master cylinder (clutch switch) signal to the ECM.

Refer to Exploded view for detailed component location.

6.

BCM (Body Control Module)

BCM transmits the stop lamp switch signal and brake pedal position switch signal to ADAS control unit 2 via CAN communication.

Refer to Component Parts Location for detailed component location.

7.

Combination meter

(Information display)

  • Description: Refer to Combination Meter for detailed component location.

  • System display and warning: Refer to Menu Displayed by Pressing Each Switch.

8.

Chassis control module (with built in steering angle sensor)

Measures the rotation amount, rotation speed, and rotation direction of steering wheel, and then transmits them to ADAS control unit 2 via CAN communication.

Refer to Component Parts Location for detailed component location.

9.

ICC (Intelligent Cruise Control) steering switch

Controls the ICC system by driver input.

Refer to ICC Steering Switch.

10.

Distance sensor

Refer to Distance Sensor.

Refer to Component Parts Location for detailed component location.

11.

Driver assistance buzzer

Refer to Driver Assistance Buzzer.

Refer to Component Parts Location for detailed component location.

12.

Brake pedal position switch

Refer to Brake Pedal Position Switch/Stop Lamp Switch.

Refer to Component Parts Location for detailed component location.

13.

Stop lamp switch

Icc Steering Switch

ICC Steering Switch

FUNCTIONS WITHIN THE SYSTEM

  • ICC steering switch allows the ON/OFF of the Intelligent Cruise Control and the settings of a Nissan Sentra vehicle speed and distance between vehicles.

  • ICC steering switch signal is transmitted to ECM. ECM transmits the signal to the ADAS control unit 2 via CAN communication.

INDIVIDUAL FUNCTIONS WITHIN THE SYSTEM

  • ICC steering switch detects a switch operation by the driver.

INDIVIDUAL OPERATION

  • The steering switch is composed of a combination of a normal open switch and a resistor.

  • When each switch is pressed, the ECM detects which switch is operated according to input voltage.

PARTS LOCATION

Refer to Component Parts Location.

Component Description

Component Description

FUNCTIONS WITHIN THE SYSTEM

  • Steering assist switch allows the ON/OFF of steering assistance function.

INDIVIDUAL FUNCTIONS WITHIN THE SYSTEM

  • Transmits a steering assist switch signal to ADAS control unit 2.

INDIVIDUAL OPERATION

  • Steering assist switch changes the switch operation of driver to the voltage change (ON: 0V / OFF: 12V)

  • ECU reads the state of the switch by the voltage change.

PARTS LOCATION

Refer to Component Parts Location.

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