METER / GAUGE SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

for Preparation Click here


HINT:
  1. Use these procedures to troubleshoot the combination meter.
  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 11V, recharge or replace the battery before proceeding.

    NEXT


    3.CHECK MULTIPLEX COMMUNICATION SYSTEM*
    1. Use the intelligent tester to check if the multiplex communication system (MPX) is functioning.

      Result:
      Result
      Proceed to
      MPX DTC is not output
      A
      MPX DTC is output
      B



    B.
    Go to MULTIPLEX COMMUNICATION SYSTEM
    A


    4.CHECK CAN COMMUNICATION SYSTEM*
    1. Use the intelligent tester to check if the CAN communication system is functioning.

      Result:
      Result
      Proceed to
      CAN DTC is not output
      A
      CAN DTC is output
      B



    B.
    Go to CAN COMMUNICATION SYSTEM
    A


    5.PROBLEM SYMPTOMS TABLE
      Refer to the Problem symptoms table (Click here).
      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. Terminals of ECU (Click here)

    2. Data List/Active Test (Click here)

    3. On-vehicle Inspection (Click here)


    NEXT


    7.ADJUST, REPAIR OR REPLACE

      NEXT


      8.CONFIRMATION TEST

        NEXT

        END