LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 316 (Cruise Control System) >> Cruise Control System >> Road Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Road Test

WARNING: This page is about a different car, the 2008 Toyota FJ Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
  1. PROBLEM SYMPTOM CONFIRMATION 
    1. Inspect the SET function.
      1. Turn the cruise control main switch on.
      2. Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).
      3. Push the cruise control main switch to -(COAST)/SET.
      4. After releasing the switch, check that the vehicle cruises at the set speed.
        Fig 1: Identifying SET Function
        G04830972Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Inspect the ACCELERATION function.
      1. Turn the cruise control main switch on.
      2. Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).
      3. Push the cruise control main switch to -(COAST)/SET.
      4. Check that the 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 the vehicle speed increases by approximately 1.6 km/h (1.0 mph) (tap-up control).
        Fig 2: Identifying ACCELERATION Function
        G04830973Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Inspect the-(COAST) function.
      1. Turn the cruise control main switch on.
      2. Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).
      3. Push the cruise control main switch to -(COAST)/SET.
      4. Check that the 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 the vehicle speed decreases by approximately 1.6 km/h (1.0 mph) (tap-down control).
        Fig 3: Identifying SET Function
        G04830972Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Inspect the CANCEL function.
      1. Turn the cruise control main switch on.
      2. Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).
      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
        • Depressing the clutch pedal (M/T only)
        • The shift lever is moved from the D or 4th position to any of the N, 3rd, 2nd, or L positions (A/T only)
        • Turning the cruise control main switch off
        • Pulling the cruise control main switch to CANCEL
          Fig 4: Identifying CANCEL Function
          G04830975Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Inspect the RES (RESUME) function.
      1. Turn the cruise control main switch on.
      2. Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).
      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.
        Fig 5: Identifying ACCELERATION Function
        G04830973Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002