LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2012 >> HS 250h >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Dynamic Radar Cruise Control System (Diagnostics - Introduction) >> Dynamic Radar Cruise Control System >> Operation Check >> Operation Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Operation Check

  1. INPUT SIGNAL CHECK 
    Fig 1: View Of Cruise Control Main Switch
    GTY220409Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Connect the Techstream to the DLC3.
    2. Check the cruise control main switch using the Data List function of the Techstream (ON-OFF, - SET and + RES).
      TEXT IN ILLUSTRATION

      *1 ON/OFF
      *2 - SET
      *3 + RES
  2. INSPECT MODE SWITCH 
    Fig 2: Inspecting Mode Switch & On/Off Switch
    GTY227589Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Turn the power switch on (IG).
      TEXT IN ILLUSTRATION

      *1 ON/OFF
      *2 MODE
    2. Turn the cruise control on using the main switch. Then push the main switch to MODE for 1 second or more to change to the constant speed control mode. Check that "RADAR READY" goes off on the display.
    3. Check that the cruise main indicator light (vehicle-to-vehicle distance control mode) goes off and the cruise main indicator light (constant speed control mode) comes on.
      Fig 3: Identifying Multi-Information Display
      GTY230576Courtesy 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)
      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 power switch off and repeat the procedure above.

  3. INSPECT STEERING PAD SWITCH ASSEMBLY 
    1. Turn the power switch on (IG).
    2. Turn the cruise control on using the main switch.
    3. Turn on the vehicle-to-vehicle distance control switch of the steering pad switch.
      Fig 4: Identifying Vehicle-To-Vehicle Distance Control Switch Of Steering Pad Switch
      GTY281599Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 5: Identifying Vehicle-To-Vehicle Distance Multi-Informational Display Is Reading Correctly
      GTY281331Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Combination Meter
      *2 Multi-information Display
      *3 Long
      *4 Middle
      *5 Short

      HINT: 

      The indication is automatically set to long each time the power switch is turned on (READY).

scientia non olet · About LEMON Manuals