LIN COMMUNICATION SYSTEM, Diagnostic DTC:B2324

DTC Code DTC Name
B2324 Rear Door LH ECU Communication Stop

DESCRIPTION

This DTC is stored when LIN communication between the power window regulator motor assembly (for rear LH side) and main body ECU (driver side junction block assembly) stops for more than 10 seconds.

DTC No. DTC Detection Condition Trouble Area
B2324 No communication between the power window regulator motor assembly (for rear LH side) and main body ECU (driver side junction block assembly) for more than 10 seconds.

  • Power window regulator motor assembly (for Rear LH side)

  • Main body ECU (Driver side junction block assembly)

  • Wire harness or connector

  • RL DOOR fuse

WIRING DIAGRAM

A01EJFAE37

INSPECTION PROCEDURE

Note


  • When the power window regulator motor assembly (for rear LH side) is replaced or removed and reinstalled, it requires initialization Click here.

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

    Connect the GTS to the DLC3, and turn the courtesy switch on and off at 1.5-second intervals until communication between the GTS and vehicle begins.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR - BATTERY AND BODY GROUND)


    1. A01EMJSE07
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Power Window Regulator Motor Assembly (for Rear LH Side))

      Disconnect the K2 motor connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      K2-1 (GND) - Body ground Always Below 1 Ω
      Standard Voltage
      Tester Connection Condition Specified Condition
      K2-2 (B) - Body ground Always 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - POWER WINDOW REGULATOR MOTOR ASSEMBLY)


    1. A01ELASE25
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Main Body ECU (Driver Side Junction Block Assembly))
      *2

      Front view of wire harness connector

      (to Power Window Regulator Motor Assembly (for Rear LH Side))

      Disconnect the D48 ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D48-10 (LIN2) - K2-9 (LIN) Always Below 1 Ω
      D48-10 (LIN2) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for REAR LH SIDE)


    1. Replace the power window regulator motor assembly (for rear LH side) Click here.


    NEXT

  4. CHECK DTC OUTPUT


    1. Clear the DTC Click here.

    2. Recheck for DTCs.

      OK
      DTC B2324 is not output.

    NG

    REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) Click here

    OK

    END (POWER WINDOW REGULATOR MOTOR ASSEMBLY WAS DEFECTIVE)