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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Dynamic Radar Cruise Control System (Except HV) - Diagnostic Codes & Circuit Tests >> DYNAMIC RADAR CRUISE CONTROL SYSTEM (for Gasoline Model) >> Cruise Main Indicator Light Circuit [11/2023 - ] >> Procedure

Cruise Main Indicator Light Circuit [11/2023 - ]: Procedure

  1. PERFORM ACTIVE TEST USING GTS 
    1. Perform the Active Test according to the display on the GTS.

      Body Electrical > Combination Meter > Active Test 

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

    except 12.3 Inch Display: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ]

    for 12.3 Inch Display: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ]

    Result: 

    See step  2

  2. READ VALUE USING GTS 
    1. Read the Data List according to the display on the GTS.

      Powertrain > Radar Cruise 1 > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Cruise Indicator Cruise control indicator status OFF or ON OFF: Cruise control indicator turns off
      ON: Cruise control indicator illuminates
      -

      Powertrain > Radar Cruise 1 > Data List 

      Tester Display
      Cruise Indicator

      Result

      Result Proceed to
      The cruise control indicator illuminates and turns off according to the operation of the cruise control main switch A
      The cruise control indicator does not illuminate but the Data List items change according to the operation of the cruise control main switch B
      The cruise control indicator does not illuminate and the Data List items do not change according to the operation of the cruise control main switch C

    Result: 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [11/2023 - ] 

    Result: 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [12/2019 - ] 

    Result: 

    REPLACE ECM. Refer to  REMOVAL [11/2023 - ]