Nissan Murano: System Description / Component Parts. Intelligent Cruise Control System
| A. | Center of instrument panel (view with center console assembly removed) | B. | Engine room right side | C. | Center area of front bumper |
| D. | Engine room left side (view with fuse, fusible link and relay box cover removed) | E. | Brake pedal area (view with instrument lower panel LH removed) | F. | Instrument panel left side |
| No. | Component | Function |
|---|---|---|
| 1. | Driver assistance buzzer | Refer to Driver Assistance Buzzer. |
| 2. | TCM (Transmission Control Module) |
TCM transmits the signal related to CVT control to ADAS control unit via CAN communication. Refer to Component Parts Location for detailed component location. |
| 3. | ECM (Engine Control Module) |
|
| 4. | ADAS (Advanced Driver Assistance System) control unit |
Refer to ADAS Control Unit. Refer to Component Parts Location for detailed component location. |
| 5. | ABS (Anti-lock Braking System) actuator and electric unit (control unit) |
|
| 6. | Distance sensor | Refer to Distance Sensor. |
| 7. | ICC (Intelligent Cruise Control) brake hold relay | Refer to ICC Brake Hold Relay. |
| 8. | Stop lamp switch | Refer to Brake Pedal Position Switch/Stop Lamp Switch. |
| 9. | Brake pedal position switch | |
| 10. |
Combination meter (Information display, AEB indicator lamp, buzzer) |
|
| 11. | ICC steering switch | Refer to ICC Steering Switch. |
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Distance sensor is installed behind the front lower grille and detects a vehicle ahead by using millimeter waves.
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Distance sensor detects radar reflected from a Nissan Murano vehicle ahead by irradiating radar forward and calculates a distance from the vehicle ahead and relative speed, based on the detected signal.
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Distance sensor transmits information for ICC from the Nissan Murano vehicle to ADAS control unit via ITS communication.
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ADAS control unit is installed below the center console assembly.
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ADAS control unit calculates and transmits an engine torque command value to ECM and a brake fluid pressure control signal to ABS actuator and electric unit (control unit) via CAN communication.
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ADAS control unit transmits warning system buzzer output signal and meter display signal to combination meter via CAN communication.
BRAKE PEDAL POSITION SWITCH
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Brake pedal position switch is installed at the upper part of the brake pedal and detects a brake operation performed by the driver.
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Brake pedal position switch is normally closed, and is turned OFF when depressing the brake pedal.
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Brake pedal position switch signal is input to ECM. Brake pedal position switch signal is transmitted from ECM to ADAS control unit via CAN communication.
STOP LAMP SWITCH
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Stop lamp switch is installed at the lower part of the brake pedal and detects a brake operation performed by the driver.
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Stop lamp switch is normally open, and is turned ON when depressing the brake pedal.
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Stop lamp switch signal is input to ECM and ABS actuator and electric unit (control unit). Stop lamp switch signals are transmitted from ECM and ABS actuator and electric unit (control unit) to ADAS control unit via CAN communication.
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ICC steering switch is installed to the steering wheel and allows the driver to operate the ICC system by using this switch.
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ICC steering switch controls the ON/OFF of the Intelligent Cruise Control and the settings of a Nissan Murano vehicle speed and distance between vehicles.
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ICC steering switch signal is transmitted to ECM. ECM transmits the signal to the ADAS control unit via CAN communication.
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ICC brake hold relay is installed in the engine room (LH).
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When the brake is activated by the ICC system, the ICC brake hold relay turns ON the stop lamp by bypassing the circuit of the stop lamp according to a signal transmitted from the ADAS control unit.
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Performs the following operations using the signals received from the ADAS control unit via the CAN communication:
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Displays the ICC system operation status using the meter display signal.
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Illuminates the ICC system warning lamp using the ICC warning lamp signal.
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Illuminates the AEB indicator lamp using the AEB indicator lamp signal.
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Combination meter turns ON/OFF the AEB system and transmits a system selection signal to the ADAS control unit.
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Driver assistance buzzer is installed behind the instrument panel (RH).
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Driver assistance buzzer operates when commanded by ADAS control unit.
System
System Description
SYSTEM DIAGRAMDISTANCE SENSOR (ICC SENSOR) INPUT/OUTPUT SIGNAL ITEMInput Signal Item Transmit unit Signal name Description
ADAS control unit
ITS communication
ADAS sensor signal
State of ADAS
Output Signal Item Reception unit Signal name Description
ADAS control unit
ITS communication
Distance sensor (ICC sensor) signal
Transmits information for ICC
ADAS CONTROL UNIT INPUT/OUTPUT SIGNAL ITEMInput Signal Reception unit Signal name Description
ECM
CAN communication
Engine speed signal
Receives engine speed
Accelerator pedal position signal
Receives accelerator pedal position (angle)
Closed throttle position signal
Receives idle position state (ON/OFF)
ICC prohibition signal
Receives operable/inoperable state of the ICC system
ICC steering switch signal
Main switch signal
Receives the operational state of the ICC steering switch
SET/COAST switch signal
CANCEL switch signal
RESUME/ACCELERATE switch signal
DISTANCE switch signal
Stop lamp switch signal
Receives an operational state of the brake pedal
Brake pedal position switch signal
Receives an operational state of the brake pedal
TCM
CAN communication
Input speed signal
Receives the number of revolutions of input shaft
Output shaft revolution signal
Receives the number of revolutions of output shaft
Current gear position signal
Receives a current gear position
Shift position signal
Receives a selector lever position
ABS actuator and electric unit (control unit)
CAN communication
ABS malfunction signal
Receives a malfunction state of ABS
ABS operation signal
Receives an operational state of ABS
ABS warning lamp signal
Receives an ON/OFF state of ABS warning lamp
TCS malfunction signal
Receives a malfunction state of TCS
TCS operation signal
Receives an operational state of TCS
VDC OFF switch signal
Receives an ON/OFF state of VDC
VDC malfunction signal
Receives an malfunction state of VDC
VDC operation signal
Receives an operational state of VDC
Nissan Murano Vehicle speed signal (ABS)
Receives wheel speeds of four wheels
Stop lamp switch signal
Receives an operational state of the brake pedal
Yaw rate signal
Receives yaw rate acting on Nissan Murano vehicle
Combination meter
CAN communication
Parking brake switch signal
Receives an operational state of the parking brake
System selection signal
Receives a selection state of AEB system
Steering angle sensor
CAN communication
Steering angle sensor malfunction signal
Receives a malfunction state of steering angle sensor
Steering angle sensor signal
Receives the number of revolutions and turning direction of the steering wheel
Steering angle speed signal
Receives the turning angle speed of the steering wheel
Distance sensor (ICC sensor)
ITS communication
Distance sensor (ICC sensor) signal
Receives detection information, such as the presence or absence of a leading Nissan Murano vehicle, and distance from the vehicle...
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Vehicle security system
Your vehicle has two types of security systems:
Vehicle security system NISSAN Vehicle Immobilizer SystemThe vehicle security system provides visual and audible alarm signals if someone opens the doors, liftgate or the hood when the system is armed. It is not, however, a motion detection type system that activates when a vehicle is moved or when a vibration occurs.
