DYNAMIC RADAR CRUISE CONTROL SYSTEM ROAD TEST


  1. PROBLEM SYMPTOM CONFIRMATION

    Tech Tips

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


    • The vehicle-to-vehicle distance control mode is always selected when starting up the dynamic radar cruise control system.

    • Operation of the constant speed control mode is the same as that for a conventional cruise control system.


    1. A0163F7

      Inspect the SET function.


      1. Turn the main switch on.

      2. Drive at the required speed (43 km/h (27 mph) or higher).

      3. Push the cruise control main switch to - (COAST)/SET.

      4. After releasing the switch, check that the vehicle cruises at the set speed.

    2. A015ZBU

      Inspect the + (ACCEL) function.


      1. Turn the main switch on.

      2. Drive at the required speed (43 km/h (27 mph) or higher).

      3. Push the cruise control main switch to - (COAST)/SET.

      4. Check that vehicle speed increases while the cruise control main switch is pushed to + (ACCEL)/RES (RESUME), and that the vehicle cruises at the newly set speed when the switch is released.

      5. Push the cruise control main switch to + (ACCEL)/RES (RESUME) and then release it immediately. Check that vehicle speed increases* (tap-up control).

        Tech Tips

        *: Constant speed control mode: increases by 1.6 km/h (1.0 mph); vehicle-to-vehicle distance control mode: increases by 5 km/h (3 mph)

    3. A0163F7

      Inspect the - (COAST) function.


      1. Turn the main switch on.

      2. Drive at the required speed (43 km/h (27 mph) or higher).

      3. Push the cruise control main switch to - (COAST)/SET.

      4. Check that vehicle speed decreases while the cruise control main switch is pushed to - (COAST)/SET, and the vehicle cruises at the newly set speed when the switch is released.

      5. Push the cruise control main switch to - (COAST)/SET, and then release it immediately. Check that vehicle speed decreases* (tap-down control).

        Tech Tips

        *: Constant speed control mode: decreases by 1.6 km/h (1.0 mph); vehicle-to-vehicle distance control mode: decreases by 5 km/h (3 mph).

    4. A0160ZL

      Inspect the CANCEL function.


      1. Turn the main switch on.

      2. Drive at the required speed (43 km/h (27 mph) or higher).

      3. Push the cruise control main switch to - (COAST)/SET.

      4. When performing any one of the following, check that the cruise control system is canceled and that the normal driving mode is reset.


        • Depressing the brake pedal

        • The shift lever is moved from D to N or M

        • Selecting the D3, D2 or D1 range with the shift lever in D

        • Turning the main switch off

        • Pulling the cruise control main switch to CANCEL

    5. A015ZBU

      Inspect the RES (RESUME) function.


      1. Turn the main switch on.

      2. Drive at the required speed (43 km/h (27 mph) or higher).

      3. Push the cruise control main switch to - (COAST)/SET.

      4. Cancel the cruise control system by performing any of the above operations (other than turning the main switch off).

      5. After pushing the cruise control main switch to + (ACCEL)/RES (RESUME) at a driving speed of more than 40 km/h (25 mph), check that the vehicle resumes the speed set prior to the cancellation.

        Tech Tips

        The stored vehicle speed is retained even if vehicle speed drops below 40 km/h (25 mph) once. The previously stored vehicle speed can be resumed by pushing the cruise control main switch to + (ACCEL)/RES (RESUME) when vehicle speed returned to approximately 40 km/h (25 mph) or more.