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Home >> Lexus >> 2019 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System (Ext) - Diagnostic Codes (1 Of 3) >> Lighting System >> DTC B2410: Headlight Swivel ECU LH Communication; DTC B2411: Headlight Swivel ECU RH Communication; DTC B2424: Headlight Beam Level Control Motor LH Lost Communication; DTC B2425: Headlight Beam Level Control Motor RH Lost Communication [12/2017 - 10/2020] >> Procedure
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DTC B2410: Headlight Swivel ECU LH Communication; DTC B2411: Headlight Swivel ECU RH Communication; DTC B2424: Headlight Beam Level Control Motor LH Lost Communication; DTC B2425: Headlight Beam Level Control Motor RH Lost Communication [12/2017 - 10/2020]: Procedure

  1. CHECK VEHICLE CONDITION 
    1. Check vehicle condition.

      Result

      Result Proceed to
      w/ AFS (Front-lighting Adaptive System) A
      w/o AFS (Front-lighting Adaptive System) B

    Result: 

    See step  21

    Result: 

    See step  2

  2. CHECK FOR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Clear DTCs 

    2. Turn the engine switch on (IG) and wait for at least 10 seconds or more.
    3. Check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Trouble Codes 

      OK

      DTC B2410, B2411, B2424 and B2425 are not outputs.

      Result

      Result Proceed to
      OK A
      NG (DTC B2410 is output) B
      NG (DTC B2411 is output) C
      NG (DTC B2410 and B2411 are output) D
      NG (DTC B2410 and B2424 are output) E
      NG (DTC B2411 and B2425 are output) F
      NG (DTC B2424 is output) G
      NG (DTC B2425 is output) H
      NG (DTC B2424 and B2425 are output) I

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 09/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020] 

    Result: 

    See step  4

    Result: 

    See step  7

    Result: 

    See step  11

    Result: 

    See step  12

    Result: 

    See step  13

    Result: 

    See step  14

    Result: 

    See step  17

    Result: 

    See step  3

  3. CHECK HEADLIGHT ECU SUB-ASSEMBLY LH 
    1. Remove the headlight ECU sub-assembly LH as a unit with the connectors still connected.

      Refer to REMOVAL [12/2017 - 10/2020]

      GTY818695Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Headlight ECU Sub-assembly LH)
      *b Front view of wire harness connector
      (to Headlight ECU Sub-assembly RH)
    2. Disconnect the A32 headlight ECU sub-assembly RH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C-4 - A32-19 (LINS) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to  DISASSEMBLY [12/2017 - 10/2020] 

    Result: 

    NG 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [12/2017 - 10/2020] 

  4. CHECK HARNESS AND CONNECTOR (HEADLIGHT ECU SUB-ASSEMBLY LH - HEADLIGHT ECU SUB-ASSEMBLY RH) 
    1. Disconnect the A31 headlight ECU sub-assembly LH connector.
    2. Disconnect the A32 headlight ECU sub-assembly RH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A31-19 (LINS) - A32-19 (LINS) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. CHECK HEADLIGHT ECU SUB-ASSEMBLY LH (LINS TERMINAL SIGNAL OUTPUT) 
    1. Disconnect the A32 headlight ECU sub-assembly RH connector.
    2. Using the Techstream, check the waveform.

      OK

      Tester Connection Switch Condition Specified Condition
      A32-19 (LINS) - Body ground Engine switch on (IG) Pulse generation

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [12/2017 - 10/2020] 

    Result: 

    OK 

    See step  6

  6. CHECK HEADLIGHT ECU SUB-ASSEMBLY RH 
    1. Remove the headlight ECU sub-assembly RH as a unit with the connectors still connected.

      Refer to REMOVAL [12/2017 - 10/2020]

      GTY836842Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Headlight ECU Sub-assembly RH)
      *b Front view of wire harness connector
      (to Headlight ECU Sub-assembly LH)
    2. Disconnect the A31 headlight ECU sub-assembly LH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C-4 - A31-19 (LINS) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to  DISASSEMBLY [12/2017 - 10/2020] 

    Result: 

    NG 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to  REMOVAL [12/2017 - 10/2020] 

  7. CHECK HEADLIGHT ASSEMBLY RH 
    1. Disconnect the A32 headlight ECU sub-assembly RH connector.
    2. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Clear DTCs 

    3. Turn the engine switch on (IG) and wait for at least 10 seconds or more.
    4. Check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Trouble Codes 

      Result

      Result Proceed to
      DTC B2411 is output A
      DTC B2410 and B2411 are output B

    Result: 

    See step  9

    Result: 

    See step  8

  8. CHECK HEADLIGHT ECU SUB-ASSEMBLY RH 
    1. Remove headlight ECU sub-assembly RH.

      Refer to REMOVAL [12/2017 - 10/2020]

    2. Reconnect the A32 headlight ECU sub-assembly RH connector.
    3. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Clear DTCs 

    4. Turn the engine switch on (IG) and wait for at least 10 seconds or more.
    5. Check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Trouble Codes 

      Result

      Result Proceed to
      DTC B2411 is output A
      DTC B2410 and B2411 are output B

    Result: 

    REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to  DISASSEMBLY [12/2017 - 10/2020] 

    Result: 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to  REMOVAL [12/2017 - 10/2020] 

  9. CHECK HARNESS AND CONNECTOR (HEADLIGHT ECU SUB-ASSEMBLY LH - HEADLIGHT ECU SUB-ASSEMBLY RH) 
    1. Disconnect the A31 headlight ECU sub-assembly LH connector.
    2. Disconnect the A32 headlight ECU sub-assembly RH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A31-19 (LINS) or A32-19 (LINS) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  10

  10. CHECK HEADLIGHT ECU SUB-ASSEMBLY LH 
    1. Remove headlight ECU sub-assembly LH.

      Refer to REMOVAL [12/2017 - 10/2020]

    2. Reconnect the A31 headlight ECU sub-assembly LH connector.
    3. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Clear DTCs 

    4. Turn the engine switch on (IG) and wait for at least 10 seconds or more.
    5. Check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Trouble Codes 

      Result

      Result Proceed to
      DTC B2410 is output A
      DTC B2410 and B2411 are output B

    Result: 

    REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to  DISASSEMBLY [12/2017 - 10/2020] 

    Result: 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [12/2017 - 10/2020] 

  11. CHECK HEADLIGHT ECU SUB-ASSEMBLY LH 
    1. Replace the headlight ECU sub-assembly LH with a new one.

      Refer to REMOVAL [12/2017 - 10/2020]

    2. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Clear DTCs 

    3. Turn the engine switch on (IG) and wait for at least 10 seconds or more.
    4. Check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Trouble Codes 

      OK

      DTC B2410 and B2424 are not outputs.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (HEADLIGHT ECU SUB-ASSEMBLY LH WAS DEFECTIVE) 

    Result: 

    NG 

    REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to  DISASSEMBLY [12/2017 - 10/2020] 

  12. CHECK HEADLIGHT ECU SUB-ASSEMBLY RH 
    1. Replace the headlight ECU sub-assembly RH with a new one.

      Refer to REMOVAL [12/2017 - 10/2020]

    2. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Clear DTCs 

    3. Turn the engine switch on (IG) and wait for at least 10 seconds or more.
    4. Check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Trouble Codes 

      OK

      DTC B2411 and B2425 are not outputs.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (HEADLIGHT ECU SUB-ASSEMBLY RH WAS DEFECTIVE) 

    Result: 

    NG 

    REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to  DISASSEMBLY [12/2017 - 10/2020] 

  13. CHECK HEADLIGHT ECU SUB-ASSEMBLY LH 
    1. Remove the headlight ECU sub-assembly LH as a unit with the connectors still connected.

      Refer to REMOVAL [12/2017 - 10/2020]

      GTY818694Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Headlight ECU Sub-assembly LH)
      *b Front view of wire harness connector
      (to Headlight ECU Sub-assembly RH)
    2. Disconnect the A32 headlight ECU sub-assembly RH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C-13 - A32-20 (LINL) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to  DISASSEMBLY [12/2017 - 10/2020] 

    Result: 

    NG 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [12/2017 - 10/2020] 

  14. CHECK HARNESS AND CONNECTOR (HEADLIGHT ECU SUB-ASSEMBLY LH - HEADLIGHT ECU SUB-ASSEMBLY RH) 
    1. Disconnect the A31 headlight ECU sub-assembly LH connector.
    2. Disconnect the A32 headlight ECU sub-assembly RH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A31-20 (LINL) - A32-20 (LINL) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  15

  15. CHECK HEADLIGHT ECU SUB-ASSEMBLY LH (LINL TERMINAL SIGNAL OUTPUT) 
    1. Disconnect the A32 headlight ECU sub-assembly RH connector.
    2. Using the Techstream, check the waveform.

      OK

      Tester Connection Switch Condition Specified Condition
      A32-20 (LINL) - Body ground Engine switch on (IG) Pulse generation

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [12/2017 - 10/2020] 

    Result: 

    OK 

    See step  16

  16. CHECK HEADLIGHT ECU SUB-ASSEMBLY RH 
    1. Remove the headlight ECU sub-assembly RH as a unit with the connectors still connected.

      Refer to REMOVAL [12/2017 - 10/2020]

      GTY818697Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Headlight ECU Sub-assembly RH)
      *b Front view of wire harness connector
      (to Headlight ECU Sub-assembly LH)
    2. Disconnect the A31 headlight ECU sub-assembly LH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      C-13 - A31-20 (LINL) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to  DISASSEMBLY [12/2017 - 10/2020] 

    Result: 

    NG 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to  REMOVAL [12/2017 - 10/2020] 

  17. CHECK HEADLIGHT ASSEMBLY RH 
    1. Disconnect the A32 headlight ECU sub-assembly RH connector.
    2. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Clear DTCs 

    3. Turn the engine switch on (IG) and wait for at least 10 seconds or more.
    4. Check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Trouble Codes 

      Result

      Result Proceed to
      DTC B2425 is output A
      DTC B2424 and B2425 are output B

    Result: 

    See step  19

    Result: 

    See step  18

  18. CHECK HEADLIGHT ECU SUB-ASSEMBLY RH 
    1. Remove headlight ECU sub-assembly RH.

      Refer to REMOVAL [12/2017 - 10/2020]

    2. Reconnect the A32 headlight ECU sub-assembly RH connector.
    3. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Clear DTCs 

    4. Turn the engine switch on (IG) and wait for at least 10 seconds or more.
    5. Check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Trouble Codes 

      Result

      Result Proceed to
      DTC B2425 is output A
      DTC B2424 and B2425 are output B

    Result: 

    REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to  DISASSEMBLY [12/2017 - 10/2020] 

    Result: 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to  REMOVAL [12/2017 - 10/2020] 

  19. CHECK HARNESS AND CONNECTOR (HEADLIGHT ECU SUB-ASSEMBLY LH - HEADLIGHT ECU SUB-ASSEMBLY RH) 
    1. Disconnect the A31 headlight ECU sub-assembly LH connector.
    2. Disconnect the A32 headlight ECU sub-assembly RH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A31-20 (LINL) or A32-20 (LINL) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  20

  20. CHECK HEADLIGHT ECU SUB-ASSEMBLY LH 
    1. Remove headlight ECU sub-assembly LH.

      Refer to REMOVAL [12/2017 - 10/2020]

    2. Reconnect the A31 headlight ECU sub-assembly LH connector.
    3. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Clear DTCs 

    4. Turn the engine switch on (IG) and wait for at least 10 seconds or more.
    5. Check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Trouble Codes 

      Result

      Result Proceed to
      DTC B2424 is output A
      DTC B2424 and B2425 are output B

    Result: 

    REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to  DISASSEMBLY [12/2017 - 10/2020] 

    Result: 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [12/2017 - 10/2020] 

  21. CHECK FOR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Clear DTCs 

    2. Turn the engine switch on (IG) and wait for at least 10 seconds or more.
    3. Check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Trouble Codes 

      OK

      DTC B2424 and B2425 are not outputs.

      Result

      Result Proceed to
      OK A
      NG (DTC B2424 is output) B
      NG (DTC B2425 is output) C
      NG (DTC B2424 and B2425 are output) D

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 09/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020] 

    Result: 

    See step  23

    Result: 

    See step  17

    Result: 

    See step  22

  22. CHECK HEADLIGHT ECU SUB-ASSEMBLY LH 
    1. Replace the headlight ECU sub-assembly LH with a new one.

      Refer to REMOVAL [12/2017 - 10/2020]

    2. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Clear DTCs 

    3. Turn the engine switch on (IG) and wait for at least 10 seconds or more.
    4. Check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Trouble Codes 

      OK

      DTC B2424 is not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (HEADLIGHT ECU SUB-ASSEMBLY LH WAS DEFECTIVE) 

    Result: 

    NG 

    REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to  DISASSEMBLY [12/2017 - 10/2020] 

  23. CHECK HARNESS AND CONNECTOR (HEADLIGHT ECU SUB-ASSEMBLY LH - HEADLIGHT ECU SUB-ASSEMBLY RH) 
    1. Disconnect the A31 headlight ECU sub-assembly LH connector.
    2. Disconnect the A32 headlight ECU sub-assembly RH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A31-20 (LINL) - A32-20 (LINL) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  24

  24. CHECK HEADLIGHT ECU SUB-ASSEMBLY LH (LINL TERMINAL SIGNAL OUTPUT) 
    1. Disconnect the A32 headlight ECU sub-assembly RH connector.
    2. Using the Techstream, check the waveform.

      OK

      Tester Connection Switch Condition Specified Condition
      A32-20 (LINL) - Body ground Engine switch on (IG) Pulse generation

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [12/2017 - 10/2020] 

    Result: 

    OK 

    See step  25

  25. CHECK HEADLIGHT ECU SUB-ASSEMBLY RH 
    1. Replace the headlight ECU sub-assembly RH with a new one.

      Refer to REMOVAL [12/2017 - 10/2020]

    2. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Clear DTCs 

    3. Turn the engine switch on (IG) and wait for at least 10 seconds or more.
    4. Check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020]

      Body Electrical > AFS > Trouble Codes 

      OK

      DTC B2425 is not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (HEADLIGHT ECU SUB-ASSEMBLY RH WAS DEFECTIVE) 

    Result: 

    NG 

    REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to  DISASSEMBLY [12/2017 - 10/2020]