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Home >> Infiniti >> 2012 >> M35h >> 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 The ADAS control unit compares the current speed with the set speed and issues a command to HPCM via CAN communication to control driving torque so that the current speed approaches the set speed.
Deceleration When identifying a vehicle ahead traveling slower than the set speed or a decelerating vehicle ahead, the ADAS control unit issues a deceleration command to HPCM via CAN communication. When larger deceleration is required, the ADAS control unit transmits a brake fluid pressure command signal to the electrically-driven intelligent brake unit via CAN communication for activating the brake.
Following The ADAS control unit issues a command to HPCM and the electrically-driven intelligent brake unit to control vehicle speed so that a proper distance between vehicles can be maintained according to the change in speed of the vehicle ahead.
Acceleration When a vehicle ahead is not detected while following the vehicle ahead due to a lane change by the vehicle ahead or own vehicle, the ADAS control unit issues an acceleration command to HPCM via CAN communication and HPCM accelerates slowly to the set speed.

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.
    • 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.
      Fig 1: Identifying Set Speed Indicator
      G07019859Courtesy of NISSAN NORTH AMERICA, INC.
  • 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.
    • 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.)
      Fig 2: Identifying Set Speed Indicator And Own Vehicle Indicator
      G07019860Courtesy of NISSAN NORTH AMERICA, INC.

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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