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DTC B2325-88: Door LIN Bus off [11/2023 - ]: Procedure

  1. CLEAR DTC 

    Pre-procedure1

    1. Disconnect the J24 power window regulator motor assembly (driver door) connector.

      Procedure1

    2. Clear the DTCs.

      Body Electrical > Main Body > Clear DTCs 

      Result

      Proceed to
      NEXT

      Post-procedure1

    3. None

    Result: 

    NEXT 

    See step  2

  2. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER DOOR) 
    1. After 10 seconds have elapsed, check if the same DTC is output again.

      Body Electrical > Main Body > Trouble Codes 

      Result

      Result Proceed to
      B2325-88 is output A
      B2325-88 is not output B

    Result: 

    B 

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER DOOR). Refer to  REMOVAL [11/2023 - ] 

    Result: 

    A 

    See step  3

  3. CLEAR DTC 

    Pre-procedure1

    1. Disconnect the J18 multiplex network master switch assembly connector.

      Procedure1

    2. Clear the DTCs.

      Body Electrical > Main Body > Clear DTCs 

      Result

      Proceed to
      NEXT

      Post-procedure1

    3. None

    Result: 

    NEXT 

    See step  4

  4. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 
    1. After 10 seconds have elapsed, check if the same DTC is output again.

      Body Electrical > Main Body > Trouble Codes 

      Result

      Result Proceed to
      B2325-88 is output A
      B2325-88 is not output B

    Result: 

    B 

    See step  22

    Result: 

    A 

    See step  5

  5. CLEAR DTC 

    Pre-procedure1

    1. Disconnect the J8 power window regulator motor assembly (front passenger door) connector.

      Procedure1

    2. Clear the DTCs.

      Body Electrical > Main Body > Clear DTCs 

      Result

      Proceed to
      NEXT

      Post-procedure1

    3. None

    Result: 

    NEXT 

    See step  6

  6. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (FRONT PASSENGER DOOR) 
    1. After 10 seconds have elapsed, check if the same DTC is output again.

      Body Electrical > Main Body > Trouble Codes 

      Result

      Result Proceed to
      B2325-88 is output A
      B2325-88 is not output B

    Result: 

    B 

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FRONT PASSENGER DOOR). Refer to  REMOVAL [12/2019 - ] 

    Result: 

    A 

    See step  7

  7. CLEAR DTC 

    Pre-procedure1

    1. Disconnect the K4 power window regulator motor assembly (rear RH door) connector.

      Procedure1

    2. Clear the DTCs.

      Body Electrical > Main Body > Clear DTCs 

      Result

      Proceed to
      NEXT

      Post-procedure1

    3. None

    Result: 

    NEXT 

    See step  8

  8. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (REAR RH DOOR) 
    1. After 10 seconds have elapsed, check if the same DTC is output again.

      Body Electrical > Main Body > Trouble Codes 

      Result

      Result Proceed to
      B2325-88 is output A
      B2325-88 is not output B

    Result: 

    B 

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (REAR RH DOOR). Refer to  REMOVAL [11/2023 - ] 

    Result: 

    A 

    See step  9

  9. CLEAR DTC 

    Pre-procedure1

    1. Disconnect the K9 power window regulator motor assembly (rear LH door) connector.

      Procedure1

    2. Clear the DTCs.

      Body Electrical > Main Body > Clear DTCs 

      Result

      Proceed to
      NEXT

      Post-procedure1

    3. None

    Result: 

    NEXT 

    See step  10

  10. CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (REAR LH DOOR) 
    1. After 10 seconds have elapsed, check if the same DTC is output again.

      Body Electrical > Main Body > Trouble Codes 

      Result

      Result Proceed to
      B2325-88 is output A
      B2325-88 is not output B

    Result: 

    B 

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (REAR LH DOOR). Refer to  REMOVAL [11/2023 - ] 

    Result: 

    A 

    See step  11

  11. SYSTEM CHECK 
    1. Check the vehicle specification.

      Result

      Result Proceed to
      w/ Sliding Roof System or Panoramic Moon Roof System A
      w/o Sliding Roof System or Panoramic Moon Roof System B

    Result: 

    B 

    See step  17

    Result: 

    A 

    See step  12

  12. CLEAR DTC 

    Pre-procedure1

    1. Disconnect the R2*1 or R19*2 sliding roof ECU (sliding roof drive gear assembly) connector.
      1. *1: w/ Sliding Roof System
      2. *2: w/ Panoramic Moon Roof System

      Procedure1

    2. Clear the DTCs.

      Body Electrical > Main Body > Clear DTCs 

      Result

      Proceed to
      NEXT

      Post-procedure1

    3. None

    Result: 

    NEXT 

    See step  13

  13. CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) 
    1. After 10 seconds have elapsed, check if the DTC is output.

      Body Electrical > Main Body > Trouble Codes 

      Result

      Result Proceed to
      B2325-88 is output A
      B2325-88 is not output B

    Result: 

    B 

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) 

    for Moon Roof: Refer to DISASSEMBLY [12/2019 - ]

    for Panoramic Moon Roof: Refer to DISASSEMBLY [12/2019 - ]

    Result: 

    A 

    See step  14

  14. SYSTEM CHECK 
    1. Check the vehicle specification.

      Result

      Result Proceed to
      w/ Panoramic Moon Roof System A
      w/ Sliding Roof System B

    Result: 

    B 

    See step  17

    Result: 

    A 

    See step  15

  15. CLEAR DTC 

    Pre-procedure1

    1. Disconnect the R20 roof sunshade ECU (sliding roof drive gear assembly) connector.

      Procedure1

    2. Clear the DTCs.

      Body Electrical > Main Body > Clear DTCs 

      Result

      Proceed to
      NEXT

      Post-procedure1

    3. None

    Result: 

    NEXT 

    See step  16

  16. CHECK ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) 
    1. After 10 seconds have elapsed, check if the DTC is output.

      Body Electrical > Main Body > Trouble Codes 

      Result

      Result Proceed to
      B2325-88 is output A
      B2325-88 is not output B

    Result: 

    B 

    REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY). Refer to  DISASSEMBLY [12/2019 - ] 

    Result: 

    A 

    See step  17

  17. SYSTEM CHECK 
    1. Check the vehicle specification.

      Result

      Result Proceed to
      w/ Hands Free Power Back Door A
      w/o Hands Free Power Back Door B

    Result: 

    B 

    See step  21

    Result: 

    A 

    See step  18

  18. CLEAR DTC 

    Pre-procedure1

    1. Disconnect the V7*1 or V8*2 kick door control sensor connector.
      1. *1: w/o Towing Hitch
      2. *2: w/ Towing Hitch

      Procedure1

    2. Clear the DTCs.

      Body Electrical > Main Body > Clear DTCs 

      Result

      Proceed to
      NEXT

      Post-procedure1

    3. None

    Result: 

    NEXT 

    See step  19

  19. CHECK KICK DOOR CONTROL SENSOR 
    1. After 10 seconds have elapsed, check if the DTC is output.

      Body Electrical > Main Body > Trouble Codes 

      Result

      Result Proceed to
      B2325-88 is output A
      B2325-88 is not output B

    Result: 

    B 

    REPLACE KICK DOOR CONTROL SENSOR. Refer to  REMOVAL [11/2023 - ] 

    Result: 

    A 

    See step  20

  20. CHECK HARNESS AND CONNECTOR (LIN BUS CIRCUIT) 

    Pre-procedure1

    1. Remove the power distribution box assembly.

      HINT: 

      Refer to REMOVAL [11/2023 - ]

    2. Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly.
    3. Connect the power distribution box assembly connectors.

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      MB-15 (LIN2) - Body ground Always 10 kΩ or higher
      MB-15 (LIN2) - Other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    5. None

    Result: 

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    See step  21

  21. CHECK HARNESS AND CONNECTOR (LIN BUS CIRCUIT) 

    Pre-procedure1

    1. Disconnect the 8G and 8B power distribution box assembly connector.
    2. Disconnect all connectors shown in the wiring diagram.

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      8G-17 - Body ground Always 10 kΩ or higher
      8G-17 - Other terminals Always 10 kΩ or higher
      8B-37 - Body ground Always 10 kΩ or higher
      8B-37 - Other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    OK 

    REPLACE POWER DISTRIBUTION BOX ASSEMBLY. Refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  22. CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER DOOR)) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J18-16 (LIN2) - Body ground Always 10 kΩ or higher
      J18-16 (LIN2) - Other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY. Refer to  REMOVAL [12/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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