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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Cruise Control System (ICC) >> System Description >> System >> Conventional (Fixed Speed) Cruise Control Mode Function >> System Description
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System Description

FUNCTION DESCRIPTION 

This mode allows driving at a speed between 40 to 144 km/h (25 to 90 MPH) without keeping foot on the accelerator pedal.

NOTE: SYMBOL In the conventional (fixed speed) cruise control mode, a warning chime does not sound to warn driver if own vehicle is too close to the vehicle ahead, as neither the presence of the vehicle ahead nor the vehicle-to-vehicle distance is detected.

OPERATION DESCRIPTION 

To turn ON the conventional (fixed speed) cruise control mode, push and hold the MAIN switch for longer than approximately 1.5 seconds when ICC system is OFF. When pushing the MAIN switch ON, the ICC system display and the MAIN switch indicator are displayed on the information display. After holding the MAIN switch ON for longer than approximately 1.5 seconds, the ICC system display goes out. The MAIN switch indicator stays lit and brings the system to standby state.

NOTE: SYMBOL
  • To turn on the vehicle-to-vehicle distance control mode again, turn OFF the system and quickly push (less than 1.5 seconds) the MAIN switch.

ADAS control unit performs the control as per the following:

Constant speed Comparing the set vehicle speed with the current vehicle speed, transmits the command to ECM via CAN communication to reach the set vehicle speed, and controls the electric throttle control actuator.

Set Condition 

When the system is under a standby state and the vehicle speed is between approximately 40 km/h (25 MPH) and 144 km/h (90 MPH), pushing the SET - switch will start system control. If the system is canceled by conditions 1-5 below, the system will resume control at the last set cruising speed by pushing the RESUME + switch. Cancel conditions

  1. When CANCEL switch is pressed.
  2. When brake pedal depressed.
  3. When the vehicle slows down more than 13 km/h (8 MPH) below the set speed.
  4. When the selector lever is not in the "D" position or manual mode.
  5. When the parking brakes are applied.
  6. When the MAIN switch is turned OFF.
  7. When VDC (including the TCS) operates.
  8. When a wheel slips.
  9. When the system malfunction occurs.