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
    Result
    NEXT

    NEXT
  2. INSPECT BATTERY VOLTAGE

    Standard Voltage
    11 to 14 V

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

    Result
    Result
    NEXT

    NEXT
  3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


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

      Click here

      Result
      Result Proceed to
      No DTCs output A
      DTCs output (for LHD with Central Gateway ECU) B
      DTCs output (for LHD without Central Gateway ECU) C
      DTCs output (for RHD with Central Gateway ECU) D
      DTCs output (for RHD without Central Gateway ECU) E

    B
    C
    D
    E
    A
  4. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*


    1. Using the GTS, check for LIN communication system DTCs.

      Result
      Result Proceed to
      No DTCs output A
      DTCs output B

    B
    A
  5. PROBLEM SYMPTOMS TABLE


    1. Refer to the Problem Symptoms Table.

      Click here

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

    B
    A
  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