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Home >> Toyota >> 2012 >> Prius Plug-in >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 73 (Cruise Control System (Except Plug-In) (Diagnostics - Introduction)) >> Cruise Control System >> Road Test >> Road Test
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Road Test

WARNING: This page is about a different variant/trim than selected.
  1. PROBLEM SYMPTOM CONFIRMATION 
    1. Inspect the SET function.
      TEXT IN ILLUSTRATION

      *1 ON/OFF
      *2 - SET
      Fig 1: Pushing Cruise Control Main Switch To - SET
      GTY245867Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      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.
        TEXT IN ILLUSTRATION

        *1 Cruise Main Indicator Light
        *2 "SET" Indicator
        Fig 2: Identifying Cruise Control Main Indicator Light
        GTY292723Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      5. Check that "SET" is indicated on the combination meter.
      6. After releasing the switch, check that the vehicle cruises at the set speed.
    2. Inspect the + function.
      TEXT IN ILLUSTRATION

      *1 ON/OFF
      *2 - SET
      *3 + RES
      Fig 3: Pushing Cruise Control Main Switch To - SET
      GTY247465Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Turn the cruise control main switch (ON-OFF button) on.
      2. Drive at a speed of between approximately 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 increases while the cruise control main switch is 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.
      TEXT IN ILLUSTRATION

      *1 ON/OFF
      *2 - SET
      Fig 4: Pushing Cruise Control Main Switch To - SET
      GTY245867Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Turn the cruise control main switch (ON-OFF button) on.
      2. Drive at a speed of between approximately 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 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.
      TEXT IN ILLUSTRATION

      *1 ON/OFF
      *2 - SET
      *3 CANCEL
      Fig 5: Pushing Cruise Control Main Switch To - SET
      GTY229736Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Turn the cruise control main switch (ON-OFF button) on.
      2. Drive at a speed of between approximately 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 multi-information display goes off.
        • Depressing the brake pedal
        • Moving the shift lever from D to any other position
        • Turning the cruise control main switch off
        • Pulling the cruise control main switch to CANCEL
    5. Inspect the RES function.
      TEXT IN ILLUSTRATION

      *1 ON/OFF
      *2 - SET
      *3 + RES
      Fig 6: Pulling Cruise Control Main Switch To CANCEL
      GTY247466Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Turn the cruise control main switch (ON-OFF button) on.
      2. Drive at a speed of between approximately 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 approximately 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 multi-information display.
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