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Home >> Lexus >> 2022 >> LS 500h AWD >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag System (W/ Advanced Park) - Diagnostic Codes (6 Of 6) & Symptom Tests >> AIRBAG SYSTEM (w/ Advanced Park) >> DTC B009B-87: Left Side Restraints Sensor 5 Missing Message [11/2021 - 10/2023] >> Procedure

DTC B009B-87: Left Side Restraints Sensor 5 Missing Message [11/2021 - 10/2023]: Procedure

  1. CHECK DTC 

    Pre-procedure1

    1. Turn the power switch on (IG), and wait for at least 60 seconds.

      Procedure1

    2. Check for DTCs.

      Body Electrical > SRS Airbag > Trouble Codes 

      Post-procedure1

    3. None

      Result

      Result  Proceed to
      B0093-87 and B009B-87 are output A
      B009B-87 is output B
      B0093-87 and B009B-87 are not output C

    Result: 

    A 

    GO TO DTC B0093-87. Refer to  DTC B0093-87: Left Side Restraints Sensor 3 Missing Message [11/2021 - 10/2023] 

    Result: 

    C 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 10/2023] 

    Result: 

    B 

    See step  2

  2. CHECK CONNECTION OF CONNECTORS 

    Pre-procedure1

    1. Turn the power switch off.
    2. Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.

      Procedure1

    3. Check that the connectors are properly connected to the door side airbag sensor LH and rear airbag sensor LH.

      OK

      The connectors are properly connected.

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    CONNECT CONNECTORS PROPERLY 

    Result: 

    OK 

    See step  3

  3. CHECK CONNECTORS 

    Pre-procedure1

    1. Disconnect the rear airbag sensor LH connector.
      GTY973643Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear Airbag Sensor LH
      *2 Door Side Airbag Sensor LH
      *3 Wire Harness
    2. Disconnect the door side airbag sensor LH connector.

      Procedure1

    3. Check that the terminals of the connectors are not deformed or damaged.

      OK

      The terminals of the connectors are not deformed or damaged.

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (CHECK FOR OPEN IN THE CIRCUIT) 

    Pre-procedure1

    1. Using a service wire, connect terminals 2 (BDL+) and 1 (BDL-) of connector B.
      GTY1086825Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear Airbag Sensor LH
      *2 Door Side Airbag Sensor LH
      *3 Wire Harness
      *4 Service Wire
      *a Front view of wire harness connector
      (to Rear Airbag Sensor LH)
      *b Front view of wire harness connector
      (to Door Side Airbag Sensor LH)
      NOTE:

      Do not forcibly insert the service wire into the terminals of the connector when connecting a service wire.

      Procedure1

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L63-1 (BBL+) - L63-2 (BBL-) Always Below 1 Ω

      Post-procedure1

    3. Disconnect the service wire from connector B.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. CHECK DOOR SIDE AIRBAG SENSOR LH 
    1. Connect the L63 rear airbag sensor LH connector.
      GTY1006161Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Rear Airbag Sensor LH
      *2 Door Side Airbag Sensor RH
      *3 Wire Harness
    2. Interchange the door side airbag sensor LH with RH and connect the connectors.
    3. Connect the cable to the negative (-) auxiliary battery terminal.
    4. Turn the power switch on (IG), and wait for at least 60 seconds.
    5. Clear the DTCs stored in memory.

      Body Electrical > SRS Airbag > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. CHECK DOOR SIDE AIRBAG SENSOR LH 

    Pre-procedure1

    1. Turn the power switch off.
    2. Turn the power switch on (IG), and wait for at least 60 seconds.

      Procedure1

    3. Check for DTCs.

      Body Electrical > SRS Airbag > Trouble Codes 

      Result

      Result  Proceed to
      DTC B009B-87 is output A
      DTC B009E-87 is output B
      DTC B009B-87 and B009E-87 are not output C

      Post-procedure1

    4. Turn the power switch off.
    5. Disconnect the cable from the negative (-) auxiliary battery terminal, and wait for at least 60 seconds.
    6. Return the door side airbag sensor LH and RH to their original positions and connect the connectors.

    Result: 

    A 

    REPLACE AIRBAG ECU ASSEMBLY. Refer to  REMOVAL [11/2021 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023] 

    Result: 

    B 

    REPLACE DOOR SIDE AIRBAG SENSOR LH. Refer to  REMOVAL [11/2021 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023] 

    Result: 

    C 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 10/2023] 

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