LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2019 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Pedestrian Protection System - Diagnostic Codes (1 Of 2) >> Pedestrian Protection System >> DTC B16A2-09: RH Sensor for Pedestrian Protection System Component Failure [10/2023 - ] >> Procedure

DTC B16A2-09: RH Sensor for Pedestrian Protection System Component Failure [10/2023 - ]: Procedure

  1. REPLACE PEDESTRIAN DETECTION CHAMBER ASSEMBLY (PEDESTRIAN PROTECTION SENSOR) 
    1. Turn the engine switch off.
    2. Disconnect the cable from the negative (-) battery terminal, and wait for at least 60 seconds.
    3. Replace the pedestrian detection chamber assembly (pedestrian protection sensor) with a new one.

      HINT: 

      Refer to REMOVAL [10/2023 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CLEAR DTC 
    1. Connect the cable to the negative (-) battery terminal, and wait for at least 2 seconds.
    2. Turn the engine switch on (IG), and wait for at least 60 seconds.
    3. Clear the DTCs stored in memory.

      Body Electrical > SRS Airbag > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK DTC 

    Pre-procedure1

    1. Turn the engine switch off.
    2. Turn the engine 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
      B16A2-09 is output A
      B16A2-09 is not output B

      Post-procedure1

    4. None

    Result: 

    REPLACE AIRBAG ECU ASSEMBLY. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    END (PEDESTRIAN DETECTION CHAMBER ASSEMBLY (PEDESTRIAN PROTECTION SENSOR) WAS DEFECTIVE)