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Home >> Lexus >> 2017 >> RC F >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Automatic Headlight Beam Level Control System (Single Beam) - Diagnostic Codes & Circuit Tests >> AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM(for Single Beam Headlight) >> DTC B2415: Vehicle Speed Sensor Malfunction [09/2014 - 03/2019] >> Procedure

DTC B2415: Vehicle Speed Sensor Malfunction [09/2014 - 03/2019]: Procedure

  1. CHECK FOR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [09/2014 - 03/2019]

      Body Electrical > HL AutoLeveling > Clear DTCs 

    2. Check for DTCs.

      Refer to DTC CHECK / CLEAR [09/2014 - 03/2019]

      Body Electrical > HL AutoLeveling > Trouble Codes 

      OK

      DTC B2415 is not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK. 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] 

    Result: 

    NG 

    See step  2

  2. CHECK FOR DTC (VEHICLE STABILITY CONTROL SYSTEM) 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [09/2014 - 11/2017] , or refer to DTC CHECK / CLEAR [11/2017 - 03/2019]

      Chassis > ABS/VSC/TRC > Trouble Codes 

      OK

      Vehicle stability control system DTCs are not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY. Refer to  REMOVAL [09/2014 - 03/2019] 

    Result: 

    NG 

    GO TO VEHICLE STABILITY CONTROL SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2014 - 11/2017]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [11/2017 - 03/2019]