Lin Communication System How To Proceed With Troubleshooting

Power Source Network. Land Cruiser. Urj200, 202 Grj200 Vdj200
Networking. Land Cruiser. Urj200, 202 Grj200 Vdj200

  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 ensure there are no malfunctions in the communication system (Click here).

      Result
      Result
      		Proceed to
      No DTCs output
      		A
      DTCs output (for LHD)
      		B
      DTCs output (for RHD)
      		C



    		B.
    Go to CAN COMMUNICATION SYSTEM (Click here)

    		C.
    Go to CAN COMMUNICATION SYSTEM (Click here)
    A


    4.INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

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

      Result
      Result
      		Proceed to
      No DTCs output
      		A
      DTCs output
      		B



    		B.
    Go to DIAGNOSTIC TROUBLE CODE CHART (Click here)
    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.
    Go to step 7
    A


    6.OVERALL ANALYSIS AND TROUBLESHOOTING*

    1. Data List / Active Test (Click here)

    2. Terminals of ECU (Click here)


    NEXT


    7.ADJUST, REPAIR OR REPLACE

      NEXT

      END