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Home >> Lexus >> 2011 >> ES 350 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Dynamic Radar Cruise Control System (Diagnostics - Introduction) >> Dynamic Radar Cruise Control System >> Operation Check >> Operation Check

Operation Check

  1. INPUT SIGNAL CHECK 
    1. Connect the Techstream to the DLC3.
      Fig 1: Identifying Cruise Control Main Switch
      GTY123494Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check the cruise control main switch using the Data List function in the Techstream (ON-OFF, CANCEL, - SET, + RES, and MODE).
  2. INSPECT MODE SWITCH 
    1. Turn the engine switch on (IG).
      Fig 2: Inspecting Mode Switch
      GTY103503Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Turn the cruise control main switch on. Then push the main switch to MODE for 1 second or more to change to the constant speed control mode.

      Check that the RADAR READY indicator goes off on the display.

      Fig 3: Identifying Multi-Information Display And Cruise Main Indicator Lights
      GTY347929Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Multi-information Display
      *2 Cruise Main Indicator Light (Vehicle-to-vehicle distance control mode)
      *3 Cruise Main Indicator Light (Constant speed control mode)
    3. Check that the cruise main indicator light (vehicle-to-vehicle distance control mode) goes off and illuminated the cruise main indicator light (constant speed control mode).
      NOTE: Do not push any other switches before pushing the main switch to MODE. If another switch is pushed, turn the main switch off and repeat the procedure above.

      HINT: 

      If a malfunction is detected, turn the engine switch off and repeat the procedure above.

  3. INSPECT STEERING PAD SWITCH ASSEMBLY 
    1. Turn the engine switch on (IG).
    2. Turn the cruise control main switch on.
    3. Turn on the distance control switch of the steering pad switch.
    4. Check that the indication of the vehicle-to-vehicle distance, which is shown on the multi-information display on the combination meter, changes from long to middle to short in that order.
      Fig 4: Multi-Information Display On Combination Meter
      GTY277007Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Steering Wheel *2 Steering Pad Switch
      *3 Distance Control Switch *4 Combination Meter
      *5 Multi-information Display *6 Long
      *7 Middle *8 Short

      HINT: 

      The indication is automatically set to long each time the engine is started.

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