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Home >> Lexus >> 2017 >> RC F >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Dynamic Radar Cruise Control System - Diagnostics - Introduction (1 Of 2) >> Dynamic Radar Cruise Control System >> Operation Check [09/2014 - 11/2017] >> Operation Check [09/2014 - 11/2017]
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Operation Check [09/2014 - 11/2017]

  1. INPUT SIGNAL CHECK 
    GTY433970Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a ON/OFF
    *b -/SET
    *c +/RES
    *d CANCEL
    *e MODE
    1. Connect the Techstream to the DLC3.
    2. Check the cruise control switch using the Data List function of the Techstream (ON/OFF, -/SET, +/RES, CANCEL and MODE).
  2. INSPECT MODE SWITCH 
    GTY442234Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a ON/OFF
    *b MODE
    1. Turn the engine switch on (IG).
    2. Turn the cruise control system on using the cruise control switch (ON/OFF button). Then push the cruise control switch to MODE and hold in that position for 1 second or more to change to the constant speed control mode.
    3. Check that the cruise control indicator (vehicle-to-vehicle distance control mode) goes off and the cruise control indicator (constant speed control mode) illuminates.
      GTY444205Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Cruise Control Indicator
      (Vehicle-to-vehicle distance control mode)
      *b Cruise Control Indicator
      (Constant speed control mode)
      NOTE:

      Do not push any other switches before pushing the cruise control switch to MODE. If another switch is pushed, turn the cruise control system off and repeat the procedure.

      HINT: 

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

  3. INSPECT STEERING PAD SWITCH ASSEMBLY 
    1. Turn the engine switch on (IG).
    2. Turn the cruise control system on using the cruise control switch (ON/OFF button).
    3. Press the steering pad switch assembly (distance control switch).
      GTY504872Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A w/ Lane Departure Alert System
      *B w/o Lane Departure Alert System
      *1 Distance Control Switch
    4. Check that the indication of the vehicle-to-vehicle distance, which is shown on the multi-information display in the combination meter assembly changes from long to middle to short in that order.
      GTY515514Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Long *2 Middle
      *3 Short - -

      HINT: 

      Long is automatically selected each time the engine is started.