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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 77 (Dynamic Radar Cruise Control System (Except Hybrid) - Diagnostic Codes & Circuit Tests) >> DYNAMIC RADAR CRUISE CONTROL SYSTEM (for Gasoline Model) >> Cruise SET Indicator Light Circuit [08/2020 - ] >> Procedure

Cruise SET Indicator Light Circuit [08/2020 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 250, 2023 Lexus ES 350, 2023 Lexus ES 250, and 2022 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM ACTIVE TEST USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Combination Meter / Active Test.
    5. Perform "Active Test" according to the display on the Techstream.

      Body Electrical > Combination Meter > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Multi Display All (White) Multi-information display (White display) ON -

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      Multi Display All (White)

      Result

      Result Proceed to
      The multi-information display in the combination meter assembly turns on according to the operation of the Active Test. A
      The multi-information display in the combination meter assembly does not turn on according to the operation of the Active Test. B

    Result: 

    GO TO METER / GAUGE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] 

    Result: 

    See step  2

  2. READ VALUE USING TECHSTREAM 
    1. Turn the dynamic radar cruise control system on using the cruise control main switch.
    2. Drive at a speed between approximately 30 km/h (20 mph) and 180 km/h (110 mph).
    3. Enter the following menus: Powertrain / Radar Cruise 1 / Data List.
    4. Read the Data List according to the display on the Techstream.

      Powertrain > Radar Cruise1 > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      -SET Switch -SET switch status ON or OFF ON: -SET switch pushed
      OFF: -SET switch not pushed
      -

      Powertrain > Radar Cruise1 > Data List 

      Tester Display
      -SET Switch

      Result

      Result Proceed to
      The cruise SET indicator illuminates and turns off according to the operation of the -SET switch. A
      The cruise SET indicator does not illuminate but the Data List item -SET Switch changes according to the operation of the -SET switch. B
      The cruise SET indicator does not illuminate and the Data List item -SET Switch does not change according to the operation of the -SET switch. C

    Result: 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021]  , or refer to  PROBLEM SYMPTOMS TABLE [08/2021 - ] 

    Result: 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  COMPONENTS [06/2018 - 08/2021]  , or refer to  COMPONENTS [08/2021 - ] 

    Result: 

    REPLACE ECM 

    For 2GR-FKS: Refer to COMPONENTS [06/2018 - ]

    For A25A-FKS: Refer to COMPONENTS [08/2020 - 08/2021] , or refer to COMPONENTS [08/2021 - ]