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Home >> Lexus >> 2012 >> HS 250h >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Dynamic Radar Cruise Control System (Diagnostic Codes & Circuit Tests) >> Dynamic Radar Cruise Control System >> DTC P0575: Cruise Control Input Circuit >> Procedure

DTC P0575: Cruise Control Input Circuit: Procedure

  1. READ OUTPUT DTC (P0575) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Clear the DTCs. Refer to DTC CHECK/CLEAR .
    5. Perform the following to make sure that the DTC detection conditions are met.

      HINT: 

      If the detection conditions are not met, the malfunction cannot be detected.

      1. Drive the vehicle at a speed of 50 km/h (30 mph) or more.
      2. Turn the cruise control main switch on.
      3. Push the -SET switch to activate the cruise control.
    6. Enter the following menus: Powertrain/Radar Cruise/Trouble Codes.
    7. Read the DTCs. Refer to DTC CHECK/CLEAR .

      Result

      Result Proceed to
      DTC is not output A
      DTC P0575 is output B

    B → See step   3 

    A → See step   2 

  2. USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 
  3. REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL