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Home >> Lexus >> 2011 >> GS 460 >> 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 
    Fig 1: Identifying Cruise Control Main Switch
    GTY108149Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Connect the Techstream to the DLC3.
    2. Check the cruise control main switch using the DATA LIST function in the Techstream (ON-OFF, CANCEL, SET / COAST, RES / ACC, and MODE).
  2. INSPECT MODE SWITCH 
    Fig 2: Inspecting Mode Switch
    GTY103503Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Turn the engine switch on (IG).
    2. Turn the main switch ON. Then push the main switch to MODE for 1 second or more to change to constant speed mode. Check that "NORM" is indicated on the display.
      Fig 3: Identifying "NORM" Display Screen
      GTY103574Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      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 in the multi-information display on the combination meter, changes from long to middle to short in that order.
      Fig 4: Identifying Indication Of Vehicle-To-Vehicle Distance
      GTY101353Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

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