Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Lexus >> 2011 >> HS 250h >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control System (Diagnostics - Introduction) >> Cruise Control System >> Road Test >> Road Test

Road Test

  1. PROBLEM SYMPTOM CONFIRMATION 
    1. Inspect the SET function.
      Fig 1: Pushing Cruise Control Main Switch To - SET
      GTY245867Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 ON/OFF
      *2 - SET
      1. Turn the cruise control main switch (ON-OFF button) on.
      2. Check that the cruise main indicator light illuminates on the combination meter assembly.
      3. Drive at a speed of between 40 km/h (25 mph) and 200 km/h (125 mph).
      4. Push the cruise control main switch to - SET.
        Fig 2: Identifying Cruise Main Indicator Light "SET" Indicator Multi Information Display
        GTY273678Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        TEXT IN ILLUSTRATION

        *1 Cruise Main Indicator Light
        *2 "SET" Indicator
        *3 Multi Information Display
      5. Check that "SET" is indicated on the combination meter assembly.
      6. After releasing the switch, check that the vehicle cruises at the set speed.
    2. Inspect the + function.
      Fig 3: Pushing Cruise Control Main Switch To - SET
      GTY247465Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 ON/OFF
      *2 - SET
      *3 + RES
      1. Turn the cruise control main switch (ON-OFF button) on.
      2. Drive at the required speed (40 km/h (25 mph) or higher).
      3. Push the cruise control main switch to - SET.
      4. Check that vehicle speed increases while the cruise control main switch is being pushed to + RES, and that the vehicle cruises at the newly set speed when the switch is released.
      5. Push the cruise control main switch to + RES and then release it immediately. Check that vehicle speed increases by approximately 1.6 km/h (1 mph) (tap-up control).
    3. Inspect the - function.
      Fig 4: Pushing Cruise Control Main Switch To - SET
      GTY245867Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 ON/OFF
      *2 - SET
      1. Turn the cruise control main switch (ON-OFF button) on.
      2. Drive at a speed of between 40 km/h (25 mph) and 200 km/h (125 mph).
      3. Push the cruise control main switch to - SET.
      4. Check that vehicle speed decreases while the cruise control main switch is being pushed to - SET, and the vehicle cruises at the newly set speed when the switch is released.
      5. Push the cruise control main switch to - SET, and then release it immediately. Check that vehicle speed decreases by approximately 1.6 km/h (1 mph) (tap-down control).
    4. Inspect the CANCEL function.
      Fig 5: Pushing Cruise Control Main Switch To - SET
      GTY229736Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 ON/OFF
      *2 - SET
      *3 CANCEL
      1. Turn the cruise control main switch (ON-OFF button) on.
      2. Drive at a speed of between 40 km/h (25 mph) and 200 km/h (125 mph).
      3. Push the cruise control main switch to - SET.
      4. When performing any one of the following, check that the operation of the cruise control system is cancelled, normal driving resumes and "SET" on the combination meter goes off.
        • Depressing the brake pedal
        • Moving the shift lever from D to N or B
        • Turning the cruise control main switch off
        • Pulling the cruise control main switch to CANCEL
    5. Inspect the RES function.
      Fig 6: Pulling Cruise Control Main Switch To CANCEL
      GTY247466Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 ON/OFF
      *2 - SET
      *3 + RES
      1. Turn the cruise control main switch (ON-OFF button) on.
      2. Drive at a speed of between 40 km/h (25 mph) and 200 km/h (125 mph).
      3. Push the cruise control main switch to - SET.
      4. Cancel cruise control operation by performing any of the above operations (other than turning the main switch off).
      5. After pushing the cruise control main switch to "+ RES" at a speed of more than 40 km/h (25 mph), check that the vehicle resumes the speed set prior to the cancellation and that "SET" is also displayed on the combination meter assembly.