LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2021 >> RC F Base >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Occupant Classification System - Diagnostics - Introduction >> Occupant Classification System >> How To Proceed With Troubleshooting [09/2014 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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

  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. CUSTOMER PROBLEM ANALYSIS 
    1. Confirm problem symptoms.

      Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 08/2016] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - 11/2017] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - 03/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2019 - 09/2020] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2020 - 01/2023] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [01/2023 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. PASSENGER AIRBAG ON/OFF INDICATOR CHECK 
    1. Refer to Diagnosis System.

      Refer to DIAGNOSIS SYSTEM [09/2014 - 11/2017] , or refer to DIAGNOSIS SYSTEM [11/2017 - ] 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  4

  4. DTC CHECK (Present and History DTCs)* 
    1. Refer to DTC Check / Clear.

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

      Body Electrical > Occupant Detection > Trouble Codes 

      OK

      DTCs are not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

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

    Result: 

    NG 

    See step  5

  5. DTC CHART 
    1. Refer to Diagnostic Trouble Code Chart.

      Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2014 - 03/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [03/2019 - ] 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. CIRCUIT INSPECTION* 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  7

  7. REPAIR 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  8

  8. CLEAR DTCS (Present and History DTCs)* 
    1. Refer to DTC Check / Clear.

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

      Body Electrical > Occupant Detection > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  9

  9. DTC CHECK* 
    1. Refer to DTC Check / Clear.

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

      Body Electrical > Occupant Detection > Trouble Codes 

      OK

      DTCs are not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

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

    Result: 

    OK 

    See step  10

  10. SYMPTOM SIMULATION 
    1. Check the passenger airbag ON/OFF indicator condition.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  11

  11. CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END