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Home >> Infiniti >> 2022 >> QX50 Essential, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Cruise Control System) >> System Description >> System >> Intelligent Cruise Control >> System Description >> Conventional (Fixed Speed) Cruise Control Mode Function

Conventional (Fixed Speed) Cruise Control Mode Function

WARNING: This page is about a different car, the 2021 Infiniti QX50. However, it is still accessible from the selected car via links, so may be relevant.

Function Description 

This mode allows the driver to drive the vehicle at without depressing the accelerator pedal a fixed speed as follows:

NOTE: ProPILOT Assist provides no approach warnings, automatic braking, or steering assist in the conventional (fixed speed) cruise control mode.

Operation Description 

To turn ON the conventional (fixed speed) cruise control mode, push and hold the ProPILOT Assist switch for longer than approximately 1.5 seconds when Intelligent Cruise Control (ICC) system is OFF.

When pushing the ProPILOT Assist switch on, the conventional (fixed speed) cruise control mode display and indicators are displayed in the vehicle information display.

After hold the ProPILOT Assist switch on for longer than about 1.5 seconds, the (ICC) system display turns OFF. The cruise indicator appears. Driver can now set driver's desired cruising speed. Pushing the ProPILOT Assist switch again will turn the system completely OFF. When the ignition switch is placed in the OFF position, the system is also automatically turned OFF.

NOTE: When the ignition switch is placed in the OFF position, the system is also automatically turned OFF.

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 electronic 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.
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