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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Intelligent Cruise Control System (ICC) >> System Description >> System >> Vehicle-To-Vehicle Distance Control Mode Function >> VEHICLE-TO-VEHICLE DISTANCE CONTROL MODE FUNCTION: System Description >> Operation Description
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Operation Description

Quickly push (less than 1.5 seconds) and release the MAIN switch ON.

The MAIN switch indicator, set distance indicator, own vehicle indicator, and set vehicle speed indicator come on and ICC system is set to a standby state.

ADAS control unit performs the control as per the following:

Constant speed Comparing the set vehicle speed with the current vehicle speed, transmit the command to ECM via CAN communication to reach the set vehicle speed, and controls the electric throttle control actuator.
Deceleration When a vehicle ahead (slower than driver set vehicle speed) appears or when a vehicle ahead slows down, the system controls the electric throttle control actuator into the close direction and decelerates the vehicle. If greater deceleration is necessary, the system transmits the brake fluid pressure control signal to the ABS actuator and electric unit (control unit) via CAN communication and operates the brake.
Following The system controls the electric throttle control actuator and the brake fluid pressure to keep the proper distance between the vehicles according to the vehicle speed change of the vehicle ahead.
Acceleration When a vehicle ahead is not detected because of it changes lanes or own vehicle changes lanes during the following driving, the system controls the electric throttle control actuator in the open direction and accelerates the vehicle to the set vehicle speed slowly.

Set Condition

Under a standby state, pushing down the SET/COAST switch will start system control.

If the system is canceled by conditions 1-6 below, the system will resume control at the last set cruising speed by pushing up the RESUME/ACCELERATE switch.

NOTE:
  • When the SET/COAST switch is pushed under the following conditions, the system cannot be set and the set vehicle speed indicator will blink for approximately 2 seconds.
    Fig 1: Identifying Set Speed Indicator
    G07019859Courtesy of NISSAN NORTH AMERICA, INC.
    • When traveling below 32 km/h (20 MPH) and the vehicle ahead is not detected.
    • When the selector lever is not in the "D" position or manual mode.
    • When the front wipers are operating at HI.

      (If the vehicle is equipped with a rain sensing auto-wiper, the system may cancel when the wipers are set to AUTO)

    • When the parking brakes are applied.
    • When the brakes are operated by the driver.
  • When the SET/COAST switch is pushed under the following conditions, the system cannot be set. A warning chime will sound and the set speed indicator and own vehicle indicator will blink.
    Fig 2: Identifying Set Speed Indicator & Own Vehicle Indicator
    G07019860Courtesy of NISSAN NORTH AMERICA, INC.
    • When the drive mode select switch is in SNOW position. (To use the ICC system, turn OFF the snow mode, push the MAIN switch to turn OFF the ICC system and reset the ICC system by pushing the MAIN switch again.)
    • When the VDC is OFF. (To use the ICC system, turn ON the VDC system, push the MAIN switch to turn OFF the ICC system and reset the ICC system by pushing the MAIN switch again.)
    • When ABS or VDC (including the TCS) operates.
    • When driving into a strong light (i.e., sunlight).
    • When the wheel is slipping. (To use the ICC system, make sure the wheels are no longer spinning, push the MAIN switch to turn OFF the ICC system and reset the ICC system by pushing the MAIN switch again.)

Cancel Conditions

  1. When CANCEL switch is pressed.
  2. When brake pedal is depressed.
  3. When the vehicle ahead is not detected below the speed of 24 km/h (15 MPH).
  4. When the selector lever is not in the "D" position or manual mode.
  5. When the parking brakes are applied.
  6. When the system judges the vehicle is at standstill.
  7. When the front wipers are operating at HI.

    (If the vehicle is equipped with a rain sensing auto-wiper, the system may cancel when the wipers are set to AUTO.)

  8. When the drive mode select switch is in SNOW position.
  9. When ABS or VDC (including the TCS) operates.
  10. When the MAIN switch is turned OFF.
  11. When a wheel slips.
  12. When driving into a strong light (i.e., sunlight).
  13. When the VDC is turned OFF.
  14. When the system malfunction occurs.
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