LIN COMMUNICATION SYSTEM, Diagnostic DTC:B2325

DTC Code DTC Name
B2325 LIN Communication Bus Malfunction

DESCRIPTION

The main body ECU (multiplex network body ECU) intermittently monitors the LIN communication bus between the components related to the doors. DTC B2325 is stored when a malfunction in the LIN communication bus between the components related to the doors is detected consecutively 3 times.

DTC No. Detection Item DTC Detection Condition Trouble Area
B2325 LIN Communication Bus Malfunction Main body ECU (multiplex network body ECU) detects errors in communication with the ECUs connected to the door bus lines 3 times in a row.

  • Main body ECU (multiplex network body ECU)

  • Instrument panel junction block assembly

  • Front multiplex network door ECU LH

  • Front multiplex network door ECU RH

  • Multiplex network master switch assembly

  • Rear multiplex network door ECU LH

  • Rear multiplex network door ECU RH

  • Front power window regulator motor assembly LH

  • Front power window regulator motor assembly RH

  • Rear power window regulator motor assembly LH

  • Rear power window regulator motor assembly RH

  • Sliding roof drive gear sub-assembly*1

  • Sliding roof drive gear assembly (rear roof sunshade ECU)*2

  • Kick door control sensor*3

  • Rear side window curtain assembly LH*4

  • Rear side window curtain assembly RH*4

  • Harness or connector

WIRING DIAGRAM


  1. for LHD:

    B006EQ0E02
    B006E7JC01

  2. for RHD:

    B006CAGE02
    B006CNGE03

CAUTION / NOTICE / HINT

Note


  • When using the GTS with the engine switch off to troubleshoot:

    Connect the GTS to the vehicle and turn a courtesy light switch on and off at 1.5 second intervals until communication between the GTS and vehicle begins.

  • When the power window regulator motor assembly (driver side) is removed and reinstalled or replaced, the power window regulator motor assembly (driver side) must be initialized.

    Click here

  • Recognition code registration is necessary when replacing the main body ECU (multiplex network body ECU).

  • If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.

  • w/ Sliding Roof System:

    When the sliding roof drive gear sub-assembly is removed and reinstalled or replaced, the sliding roof drive gear sub-assembly must be initialized.

    Click here

  • w/ Roof Sunshade System:

    When the sliding roof drive gear assembly (front roof sunshade ECU) or sliding roof drive gear assembly (rear roof sunshade ECU) is removed and reinstalled or replaced, the sliding roof drive gear assembly must be initialized.

    Click here

  • w/ Panoramic Moon Roof System:

    When the sliding roof drive gear sub-assembly and sliding roof drive gear assembly are removed and reinstalled or replaced, the sliding roof drive gear sub-assembly and sliding roof drive gear assembly must be initialized.

    Click here

Tech Tips

When DTC B2325 and a LIN communication stop DTC are output simultaneously, first perform troubleshooting for DTC B2325. Then perform troubleshooting for the LIN communication stop DTC.

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  2. CHECK FOR DTC


    1. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B2325 is not output A
      DTC B2325 is output B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

  3. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Result Result
      for LHD A
      for RHD B

    B

    CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH Click here

    A

  4. CHECK FRONT MULTIPLEX NETWORK DOOR ECU LH


    1. Disconnect the H31 front multiplex network door ECU LH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Result
      DTC B2325 is output A
      DTC B1206 and B2321 are output B

    B

    CLEAR DTC Click here

    A

  5. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  6. CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH


    1. Disconnect the H12 front multiplex network door ECU RH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Result
      DTC B2325 is output A
      DTC B2322 is output B

    B

    CLEAR DTC Click here

    A

  7. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  8. CHECK REAR MULTIPLEX NETWORK DOOR ECU LH


    1. Disconnect the K21 rear multiplex network door ECU LH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Result
      DTC B2325 is output A
      DTC B2324 is output B

    B

    CLEAR DTC Click here

    A

  9. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  10. CHECK REAR MULTIPLEX NETWORK DOOR ECU RH


    1. Disconnect the K7 rear multiplex network door ECU RH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Result
      DTC B2325 is output A
      DTC B2323 is output B

    B

    CLEAR DTC Click here

    A

  11. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  12. CHECK SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY

    Note

    For vehicle without a sliding roof system, proceed to next step.


    1. Disconnect the N4 sliding roof drive gear sub-assembly connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Result
      DTC B1273 is output A
      DTC B2325 is output B

    A

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Click here

    B

    CLEAR DTC Click here

  13. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  14. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY


    1. Disconnect the I5 multiplex network master switch assembly connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B1206 is output A
      DTC B2325 is output B

    A

    REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY Click here

    B

    CLEAR DTC Click here

  15. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  16. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH


    1. Disconnect the H2 front power window regulator motor assembly RH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B2322 is output A
      DTC B2325 is output B

    A

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here

    B

    CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU RH - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH) Click here

  17. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  18. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH


    1. Disconnect the K15 rear power window regulator motor assembly LH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B2324 is output A
      DTC B2325 is output B

    A

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here

    B

    CHECK HARNESS AND CONNECTOR (REAR MULTIPLEX NETWORK DOOR ECU LH - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH) Click here

  19. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  20. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH


    1. Disconnect the K1 rear power window regulator motor assembly RH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B2323 is output A
      DTC B2325 is output B

    A

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here

    B

    CHECK HARNESS AND CONNECTOR (REAR MULTIPLEX NETWORK DOOR ECU RH - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH) Click here

  21. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  22. CHECK REAR SIDE WINDOW CURTAIN ASSEMBLY LH

    Note

    For vehicle without a side window curtain, proceed to next step.


    1. Disconnect the L144 rear side window curtain assembly LH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B232B is output A
      DTC B2325 is output B

    A

    REPLACE REAR SIDE WINDOW CURTAIN ASSEMBLY LH Click here

    B

    CLEAR DTC Click here

  23. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  24. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH


    1. Disconnect the H21 front power window regulator motor assembly LH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B2321 is output A
      DTC B2325 is output B

    A

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here

    B

    CHECK HARNESS AND CONNECTOR (LIN Bus Circuit) Click here

  25. CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU RH - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH)


    1. Disconnect the H12 front multiplex network door ECU RH connector.

    2. Disconnect the H2 front power window regulator motor assembly RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H12-13 (LIN3) - Body ground Always 10 kΩ or higher
      Result
      Result
      OK
      NG

    OK

    REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  26. CHECK HARNESS AND CONNECTOR (REAR MULTIPLEX NETWORK DOOR ECU LH - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)


    1. Disconnect the K21 rear multiplex network door ECU LH connector.

    2. Disconnect the K15 rear rear power window regulator motor assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K21-23 (LIN3) - Body ground Always 10 kΩ or higher
      Result
      Result
      OK
      NG

    OK

    REPLACE REAR MULTIPLEX NETWORK DOOR ECU LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  27. CHECK HARNESS AND CONNECTOR (REAR MULTIPLEX NETWORK DOOR ECU RH - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH)


    1. Disconnect the K7 rear multiplex network door ECU RH connector.

    2. Disconnect the K1 rear power window regulator motor assembly RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K7-23 (LIN3) - Body ground Always 10 kΩ or higher
      Result
      Result
      OK
      NG

    OK

    REPLACE REAR MULTIPLEX NETWORK DOOR ECU RH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  28. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  29. CHECK REAR SIDE WINDOW CURTAIN ASSEMBLY RH

    Note

    For vehicle without a side window curtain, proceed to next step.


    1. Disconnect the L143 rear side window curtain assembly RH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B232A is output A
      DTC B2325 is output B

    A

    REPLACE REAR SIDE WINDOW CURTAIN ASSEMBLY RH Click here

    B

    CLEAR DTC Click here

  30. CHECK HARNESS AND CONNECTOR (LIN Bus Circuit)


    1. Disconnect the H31 front multiplex network door ECU LH connector.

    2. Disconnect the H21 front power window regulator motor assembly LH connector.

    3. Disconnect the I5 multiplex network master switch assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H31-12 (LIN2) - Body ground Always 10 kΩ or higher
      H31-13 (LIN3) - Body ground Always 10 kΩ or higher
      Result
      Result
      OK
      NG

    OK

    REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  31. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  32. CHECK KICK DOOR CONTROL SENSOR

    Note

    For vehicle without a hands free power trunk lid, proceed to next step.


    1. Disconnect the O5 kick door control sensor connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B2325 is not output A
      DTC B2325 is output B

    A

    REPLACE KICK DOOR CONTROL SENSOR Click here

    B

  33. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  34. CHECK SLIDING ROOF DRIVE GEAR ASSEMBLY (REAR ROOF SUNSHADE ECU)

    Note

    For vehicle without a panoramic moon roof system, proceed to next step.


    1. Disconnect the N31 sliding roof drive gear assembly connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B2350 is output A
      DTC B2325 is output B

    A

    REPLACE SLIDING ROOF DRIVE GEAR ASSEMBLY Click here

    B

    CHECK HARNESS AND CONNECTOR (LIN Bus Circuit) Click here

  35. CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH


    1. Disconnect the H12 front multiplex network door ECU RH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Result
      DTC B2325 is output A
      DTC B1206 and B2321 are output B

    B

    CLEAR DTC Click here

    A

  36. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  37. CHECK FRONT MULTIPLEX NETWORK DOOR ECU LH


    1. Disconnect the H31 front multiplex network door ECU LH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Result
      DTC B2325 is output A
      DTC B2321 is output B

    B

    CLEAR DTC Click here

    A

  38. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  39. CHECK REAR MULTIPLEX NETWORK DOOR ECU RH


    1. Disconnect the K7 rear multiplex network door ECU RH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Result
      DTC B2325 is output A
      DTC B2323 is output B

    B

    CLEAR DTC Click here

    A

  40. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  41. CHECK REAR MULTIPLEX NETWORK DOOR ECU LH


    1. Disconnect the K21 rear multiplex network door ECU LH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Result
      DTC B2325 is output A
      DTC B2324 is output B

    B

    CLEAR DTC Click here

    A

  42. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  43. CHECK SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY

    Note

    For vehicle without a sliding roof system, proceed to next step.


    1. Disconnect the N4 sliding roof drive gear sub-assembly connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Result
      DTC B1273 is output A
      DTC B2325 is output B

    A

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Click here

    B

    CLEAR DTC Click here

  44. CHECK HARNESS AND CONNECTOR (LIN Bus Circuit)


    1. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

      Click here

    2. Reconnect the instrument panel junction block assembly connectors.

    3. Disconnect the H12 front multiplex network door ECU RH connector.

    4. Disconnect the H31 front multiplex network door ECU LH connector.

    5. Disconnect the K7 rear multiplex network door ECU RH connector.

    6. Disconnect the K21 rear multiplex network door ECU LH connector.

    7. w/ Sliding Roof System or Panoramic Moon Roof System:


      1. Disconnect the N4 sliding roof drive gear sub-assembly connector.

    8. w/ Side Window Curtain:


      1. Disconnect the L144 rear side window curtain assembly LH connector.

      2. Disconnect the L143 rear side window curtain assembly RH connector.

    9. w/ Hands Free Power Trunk Lid:


      1. Disconnect the O5 kick door control sensor connector.

    10. w/ Panoramic Moon Roof System:


      1. Disconnect the N31 sliding roof drive gear assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A-16 (LIN2) - Body ground Always 10 kΩ or higher
      Result
      Result
      OK
      NG

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    NG

    CHECK HARNESS AND CONNECTOR (LIN Bus Circuit) Click here

  45. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  46. CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY


    1. Disconnect the I2 multiplex network master switch assembly connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B1206 is output A
      DTC B2325 is output B

    A

    REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY Click here

    B

    CLEAR DTC Click here

  47. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  48. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH


    1. Disconnect the H21 front power window regulator motor assembly LH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B2322 is output A
      DTC B2325 is output B

    A

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here

    B

    CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU LH - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH) Click here

  49. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  50. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH


    1. Disconnect the K1 rear power window regulator motor assembly RH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B2323 is output A
      DTC B2325 is output B

    A

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here

    B

    CHECK HARNESS AND CONNECTOR (REAR MULTIPLEX NETWORK DOOR ECU RH - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH) Click here

  51. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  52. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH


    1. Disconnect the K15 rear power window regulator motor assembly LH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B2324 is output A
      DTC B2325 is output B

    A

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here

    B

    CHECK HARNESS AND CONNECTOR (REAR MULTIPLEX NETWORK DOOR ECU LH - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH) Click here

  53. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  54. CHECK REAR SIDE WINDOW CURTAIN ASSEMBLY RH

    Note

    For vehicle without a rear door sunshade, proceed to next step.


    1. Disconnect the L143 rear side window curtain assembly RH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B232A is output A
      DTC B2325 is output B

    A

    REPLACE REAR SIDE WINDOW CURTAIN ASSEMBLY RH Click here

    B

    CLEAR DTC Click here

  55. CHECK HARNESS AND CONNECTOR (LIN Bus Circuit)


    1. Disconnect the 5A and 5H instrument panel junction block assembly connectors.

    2. Disconnect the H12 front multiplex network door ECU RH connector.

    3. Disconnect the H31 front multiplex network door ECU LH connector.

    4. Disconnect the K7 rear multiplex network door ECU RH connector.

    5. Disconnect the K21 rear multiplex network door ECU LH connector.

    6. w/ Sliding Roof System or Panoramic Moon Roof System:


      1. Disconnect the N4 sliding roof drive gear sub-assembly connector.

    7. w/ Side Window Curtain:


      1. Disconnect the L144 rear side window curtain assembly LH connector.

      2. Disconnect the L143 rear side window curtain assembly RH connector.

    8. w/ Hands Free Power Trunk Lid:


      1. Disconnect the O5 kick door control sensor connector.

    9. w/ Panoramic Moon Roof System:


      1. Disconnect the N31 sliding roof drive gear assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      5A-19 - Body ground Always 10 kΩ or higher
      5A-20 - Body ground* Always 10 kΩ or higher
      5H-34 - Body ground Always 10 kΩ or higher
      5H-35 - Body ground Always 10 kΩ or higher
      *: w/ Sliding Roof System or Panoramic Moon Roof System
      Result
      Result
      OK
      NG

    OK

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  56. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  57. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH


    1. Disconnect the H2 front power window regulator motor assembly RH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B2321 is output A
      DTC B2325 is output B

    A

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here

    B

    CHECK HARNESS AND CONNECTOR (LIN Bus Circuit) Click here

  58. CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU LH - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)


    1. Disconnect the H31 front multiplex network door ECU LH connector.

    2. Disconnect the H21 front power window regulator motor assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H31-13 (LIN3) - Body ground Always 10 kΩ or higher
      Result
      Result
      OK
      NG

    OK

    REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  59. CHECK HARNESS AND CONNECTOR (REAR MULTIPLEX NETWORK DOOR ECU RH - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH)


    1. Disconnect the K7 rear multiplex network door ECU RH connector.

    2. Disconnect the K1 rear power window regulator motor assembly RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K7-23 (LIN3) - Body ground Always 10 kΩ or higher
      Result
      Result
      OK
      NG

    OK

    REPLACE REAR MULTIPLEX NETWORK DOOR ECU RH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  60. CHECK HARNESS AND CONNECTOR (REAR MULTIPLEX NETWORK DOOR ECU LH - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)


    1. Disconnect the K21 rear multiplex network door ECU LH connector.

    2. Disconnect the K15 rear power window regulator motor assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K21-23 (LIN3) - Body ground Always 10 kΩ or higher
      Result
      Result
      OK
      NG

    OK

    REPLACE REAR MULTIPLEX NETWORK DOOR ECU LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  61. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  62. CHECK REAR SIDE WINDOW CURTAIN ASSEMBLY LH

    Note

    For vehicle without a rear door sunshade, proceed to next step.


    1. Disconnect the L144 rear side window curtain assembly LH connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B232B is output A
      DTC B2325 is output B

    A

    REPLACE REAR SIDE WINDOW CURTAIN ASSEMBLY LH Click here

    B

    CLEAR DTC Click here

  63. CHECK HARNESS AND CONNECTOR (LIN Bus Circuit)


    1. Disconnect the H12 front multiplex network door ECU RH connector.

    2. Disconnect the I2 multiplex network master switch assembly connector.

    3. Disconnect the H2 front power window regulator motor assembly RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H12-12 (LIN2) - Body ground Always 10 kΩ or higher
      H12-13 (LIN3) - Body ground Always 10 kΩ or higher
      Result
      Result
      OK
      NG

    OK

    REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  64. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Main Body > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  65. CHECK KICK DOOR CONTROL SENSOR

    Note

    For vehicle without a hands free power back door, proceed to next step.


    1. Disconnect the O5 kick door control sensor connector.

    2. Check for DTCs.

      Click here


      Body Electrical > Main Body > Trouble Codes
      Result
      Result Proceed to
      DTC B2325 is output A
      DTC B2325 is not output B

    A

    REPLACE KICK DOOR CONTROL SENSOR Click here

    B

  66. CHECK HARNESS AND CONNECTOR (LIN Bus Circuit)


    1. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

      Click here

    2. Reconnect the instrument panel junction block assembly connectors.

    3. Disconnect the H12 front multiplex network door ECU RH connector.

    4. Disconnect the H31 front multiplex network door ECU LH connector.

    5. Disconnect the K7 rear multiplex network door ECU RH connector.

    6. Disconnect the K21 rear multiplex network door ECU LH connector.

    7. w/ Sliding Roof System:


      1. Disconnect the N4 sliding roof drive gear sub-assembly connector.

    8. w/ Side Window Curtain:


      1. Disconnect the L144 rear side window curtain assembly LH connector.

      2. Disconnect the L143 rear side window curtain assembly RH connector.

    9. w/ Hands Free Power Trunk Lid:


      1. Disconnect the O5 kick door control sensor connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A-16 (LIN2) - Body ground Always 10 kΩ or higher
      Result
      Result
      OK
      NG

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

    NG

  67. CHECK HARNESS AND CONNECTOR (LIN Bus Circuit)


    1. Disconnect the 5A and 5H instrument panel junction block assembly connectors.

    2. Disconnect the H12 front multiplex network door ECU RH connector.

    3. Disconnect the H31 front multiplex network door ECU LH connector.

    4. Disconnect the K7 rear multiplex network door ECU RH connector.

    5. Disconnect the K21 rear multiplex network door ECU LH connector.

    6. w/ Sliding Roof System:


      1. Disconnect the N4 sliding roof drive gear sub-assembly connector.

    7. w/ Side Window Curtain:


      1. Disconnect the L144 rear side window curtain assembly LH connector.

      2. Disconnect the L143 rear side window curtain assembly RH connector.

    8. w/ Hands Free Power Trunk Lid:


      1. Disconnect the O5 kick door control sensor connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      5A-40 - Body ground Always 10 kΩ or higher
      5H-33 - Body ground Always 10 kΩ or higher
      5H-34 - Body ground Always 10 kΩ or higher
      Result
      Result
      OK
      NG

    OK

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR