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 with the ignition switch off.

      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, inspect the CAN communication function to ensure that there are no malfunctions in the communication system.

      Result
      Proceed to
      No DTCs output
      DTCs output (for LHD)
      DTCs output (for RHD)

    DTCs output (for LHD)
    DTCs output (for RHD)
    No DTCs output
  4. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*


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

      Result
      Proceed to
      No DTCs output
      DTCs output

    DTCs output
    No DTCs output
  5. PROBLEM SYMPTOMS TABLE


    1. Refer to the Problem Symptoms Table.

      Click here

      Result
      Proceed to
      Fault is not listed in problem symptoms table
      Fault is listed in problem symptoms table

    Fault is listed in problem symptoms table
    Fault is not listed in problem symptoms table
  6. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Data List / Active Test

      Click here

    2. Terminals of ECU

      Click here

      Result
      Proceed to
      NEXT

    NEXT
  7. ADJUST, REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT