Lin Communication System How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT TO WORKSHOP

  2. INSPECT BATTERY VOLTAGE

  3. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

  4. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

  5. PROBLEM SYMPTOMS TABLE

  6. OVERALL ANALYSIS AND TROUBLESHOOTING*

  7. ADJUST, REPAIR OR REPLACE

Lin Communication System -- How To Proceed With Troubleshooting


HINT:
  1. Use these procedures to troubleshoot the LIN communication system.
  2. *: Use the intelligent tester.


1.VEHICLE BROUGHT TO WORKSHOP

    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.

    NEXT


    3.INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

    1. Using the intelligent tester, inspect the CAN communication function to make sure that there are no malfunctions in the communication system (LandCruiser RM000002S8D045X.html).

      Result
      Result
      		Proceed to
      No DTCs are output
      		A
      DTCs are output (for LHD with Entry and Start system)
      		B
      DTCs are output (for LHD without Entry and Start system)
      		C
      DTCs are output (for RHD with Entry and Start system)
      		D
      DTCs are output (for RHD without Entry and Start system)
      		E



    		B.
    Go to CAN COMMUNICATION SYSTEM (LandCruiser RM000000WIB0ECX.html)

    		C.
    Go to CAN COMMUNICATION SYSTEM (LandCruiser RM000000WIB0EDX.html)

    		D.
    Go to CAN COMMUNICATION SYSTEM (LandCruiser RM000000WIB0EEX.html)

    		E.
    Go to CAN COMMUNICATION SYSTEM (LandCruiser RM000000WIB0EFX.html)
    A


    4.INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

    1. Using the intelligent tester, inspect the LIN communication function to make sure that there are no malfunctions in the communication system.

      Result
      Result
      		Proceed to
      No DTCs are output
      		A
      DTCs are output
      		B



    		B.
    Go to DIAGNOSTIC TROUBLE CODE CHART (LandCruiser RM000003YZK02CX.html)
    A


    5.PROBLEM SYMPTOMS TABLE

    1. Refer to the Problem Symptoms Table (LandCruiser RM000003YZM01GX.html).

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



    		B.
    Go to step 7
    A


    6.OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Data List/Active Test (LandCruiser RM000002S8E041X.html)

    2. Terminals of ECU (LandCruiser RM000002S89042X.html)


    NEXT


    7.ADJUST, REPAIR OR REPLACE

      NEXT

      END