LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2025 >> Sequoia TRD Pro >> Repair and Diagnosis >> External Pages >> Different car >> Section 231 (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

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2024 Lexus RC 350, 2024 Lexus RC 300, 2023 Lexus RC 350, 2023 Lexus RC 300, and 2022 Lexus RC 350. 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 
    1. Confirm problem symptoms.

      Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 10/2015] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - 11/2017] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - 10/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - 11/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2019 - 09/2020] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2020 - 10/2022] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ]

      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 - 10/2015] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2015 - 11/2017] , or refer to DIAGNOSTIC TROUBLE CODE CHART [11/2017 - 09/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [09/2020 - ] 

      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 - 10/2015]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2015 - 11/2017]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2017 - 09/2020]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2020 - ]  

    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 

scientia non olet · About LEMON Manuals