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How To Proceed With Troubleshooting [09/2014 - 03/2019]: Procedure

WARNING: This page is about a different car, the 2019 Lexus RC F, 2018 Lexus RC F, 2017 Lexus RC F, 2016 Lexus RC F, and 2015 Lexus RC F. However, it is still accessible from the selected car via links, so may be relevant.
  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  3

  3. INSPECT BATTERY VOLTAGE 
    1. Measure the battery voltage.

      Standard Voltage

      11 to 14 V

      If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  4

  4. INSPECT CAN COMMUNICATION SYSTEM 
    1. Use the Techstream to check if the CAN communication system is functioning normally.

      Refer to DIAGNOSIS SYSTEM [09/2014 - 08/2016] , or refer to DIAGNOSIS SYSTEM [08/2016 - 11/2017] , or refer to DIAGNOSIS SYSTEM [11/2017 - 03/2019]

      Result

      Result Proceed to
      CAN communication system DTCs are not output A
      CAN communication system DTCs are output B

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 11/2017]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - 03/2019] 

    Result: 

    See step  5

  5. CHECK FOR DTC* 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [09/2014 - 03/2019] 

      Body Electrical > HL AutoLeveling > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTCs are output B

    Result: 

    GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2014 - 03/2019]  

    Result: 

    See step  6

  6. PROBLEM SYMPTOMS TABLE 
    1. Refer to Problem Symptoms Table.

      Refer to PROBLEM SYMPTOMS TABLE [09/2014 - 03/2019] 

      Result

      Result Proceed to
      Fault is not listed in Problem Symptoms Table A
      Fault is listed in Problem Symptoms Table B

    Result: 

    GO TO PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [09/2014 - 03/2019]  

    Result: 

    See step  7

  7. OVERALL ANALYSIS AND TROUBLESHOOTING* 
    1. Data List / Active Test

      Refer to DATA LIST / ACTIVE TEST [09/2014 - 03/2019] 

    2. Terminals of ECU

      Refer to TERMINALS OF ECU [09/2014 - 03/2019] 

    3. Inspection

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  8

  8. ADJUST, REPAIR OR REPLACE 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  9

  9. CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END