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Home >> Toyota >> 2022 >> RAV4 LE, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Airbag System (W/ OCS) - Diagnostics - Introduction) >> AIRBAG SYSTEM (w/ Occupant Classification System) >> How To Proceed With Troubleshooting [11/2018 - 02/2019] >> Procedure

How To Proceed With Troubleshooting [11/2018 - 02/2019]: Procedure

WARNING: This page is about a different car, the 2020 Toyota RAV4 and 2019 Toyota RAV4. 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 [11/2018 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

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

      Standard voltage

      11 to 14 V

      HINT: 

      • A simple method to determine whether the battery is discharged is to operate the horn.
      • If the voltage is below 11 V, recharge or replace the battery before proceeding.
    2. Check the fuses and relays.
    3. Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  4

  4. CHECK CAN COMMUNICATION SYSTEM* 
    1. Using the Techstream, check if the CAN communication system is functioning normally.

      OK

      CAN communication system is functioning normally.

      HINT: 

      • Refer to Communication Bus Check in CAN Communication System.

        Refer to DIAGNOSIS SYSTEM [11/2018 - 02/2019]

      • The airbag ECU assembly is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communication system.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] 

    Result: 

    OK 

    See step  5

  5. SRS WARNING LIGHT CHECK 
    1. Proceed to Operation System.

      Refer to OPERATION CHECK [11/2018 - 02/2019] 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. CHECK DTC* 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [11/2018 - 08/2020] 

      Body Electrical > SRS Airbag > Trouble Codes 

      OK

      DTCs are not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [11/2018 - 08/2020]  

    Result: 

    OK 

    See step  7

  7. DIAGNOSTIC TROUBLE CODE CHART 
    1. Diagnostic Trouble Code Chart.

      Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2018 - 02/2019] 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  8

  8. CIRCUIT INSPECTION* 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  9

  9. REPAIR 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  10

  10. CLEAR DTC* 
    1. Clear the DTCs stored in memory.

      Refer to DTC CHECK / CLEAR [11/2018 - 08/2020] 

      Body Electrical > SRS Airbag > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  11

  11. CHECK DTC* 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [11/2018 - 08/2020] 

      Body Electrical > SRS Airbag > Trouble Codes 

      OK

      DTCs are not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  13

    Result: 

    OK 

    See step  12

  12. USE SIMULATION METHOD TO CHECK 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  13

  13. IDENTIFICATION OF PROBLEM 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  14

  14. REPAIR OR REPLACEMENT 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  15

  15. CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END