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Home >> Lexus >> 2008 >> LS 460L >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Dynamic Radar Cruise Control System >> Road Test
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Road Test

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The dynamic radar cruise control system has 2 cruise control modes: the constant speed control mode and vehicle-to-vehicle distance control mode.

  1. INSPECT SET SWITCH 
    1. Push the cruise control switch ON.
    2. Drive at the desired speed (40 km/h (25 mph) or higher).
    3. Press the cruise control switch to SET/COAST.
    4. Check that the vehicle cruises at the desired speed.
    5. Fig 1: Identifying SET Function
      G04951406Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT "+" SWITCH 
    1. Push the cruise control switch ON.
    2. Drive at the desired speed (40 km/h (25 mph) or higher).
    3. Press the cruise control switch to SET/COAST.
    4. Check that vehicle speed increases while the cruise control switch is pushed to RES/ACC, and that the vehicle cruises at the set speed when the released.
    5. Vehicle-to-vehicle distance control mode:

      Momentarily press the control switch to SET/ COAST, and then immediately release it. Check that the vehicle speed decreases by about 1 km/h or 1 mph (Tap-down function).

      Fig 2: Pushing Cruise Control Switch On
      G04951407Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Constant speed control mode:

      Momentarily press the control switch to SET/ COAST, and then immediately release it. Check that the vehicle speed decreases by about 1.6 km/h (1 mph) (Tap-down function).

  3. INSPECT "-" SWITCH 
    1. Push the cruise control switch ON.
    2. Drive at the desired speed (40 km/h (25 mph) or higher).
    3. Press the cruise control switch to SET/COAST.
    4. Check that vehicle speed decreases while the cruise control switch is pressed to SET/COAST, and the vehicle cruises at the set speed when the released.
    5. Vehicle-to-vehicle distance control mode:

      Momentarily press the control switch to SET/ COAST, and then immediately release it. Check that the vehicle speed decreases by about 1 km/h or 1 mph (Tap-down function).

      Fig 3: Identifying SET Function
      G04951406Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Constant speed control mode:

    Momentarily press the control switch to SET/ COAST, and then immediately release it. Check that the vehicle speed decreases by about 1.6 km/h (1 mph) (Tap-down function).

  4. INSPECT CANCEL SWITCH 
    1. Push the cruise control switch ON.
    2. Drive at the desired speed (40 km/h (25 mph) or higher).
    3. Press the cruise control switch to SET/COAST.
    4. When operating one of the following, check that the cruise control system is canceled.
      • Depressing the brake pedal
      • Moving the shift lever to any position except D (8th, 7th, 6th, 5th and 4th gears)
      • Pushing the cruise control switch OFF
      • Pulling the cruise control switch to CANCEL
      • Fig 4: Identifying CANCEL Function
        G04951409Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSPECT RES (RESUME) SWITCH 
    1. Push the cruise control switch ON.
    2. Drive at the desired speed (40 km/h (25 mph) or higher).
    3. Press the cruise control switch to SET/COAST.
    4. Cancel the cruise control system by performing any of the operations below.
      • Depressing the brake pedal
      • Moving the shift lever to any position except D (8th, 7th, 6th, 5th and 4th gears)
      • Pulling the cruise control switch to CANCEL
      • Fig 5: Pushing Cruise Control Switch On
        G04951407Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. After the cruise control switch is pressed to RES/ ACC at a driving speed of more than 40 km/h (25 mph), check that the vehicle restores the speed before the cancellation.