LIN COMMUNICATION SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • Use these procedures to troubleshoot the LIN communication system.

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. INSPECT BATTERY VOLTAGE


    1. Measure the battery voltage.

      Standard voltage
      11 to 14 V

      If the voltage is below 11 V, recharge or replace the battery before proceeding.

      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


    1. Using the GTS, check the CAN communication function to ensure that there are no malfunctions in the communication system.

      Click here

      Result
      Proceed to
      No DTCs output
      DTCs output

    DTCs output

    GO TO CAN COMMUNICATION SYSTEM Click here

    No DTCs output

  4. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*


    1. Using the GTS, check the LIN communication function to ensure that there are no malfunctions in the communication system.

      Click here

      Result
      Result Proceed to
      No DTCs output A
      DTC B2785 or B2786 is output B
      DTC B14B2 is output C

    B

    GO TO DIAGNOSTIC TROUBLE CODE CHART Click here

    C

    GO TO AIR CONDITIONING SYSTEM Click here

    A

  5. OVERALL ANALYSIS AND TROUBLESHOOTING


    1. Terminals of ECU

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  6. ADJUST, REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

    END