ENTRY AND START SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING

for Preparation Click here


HINT:
  1. Use these procedures to troubleshoot the push-button start function.
  2. *: Use the intelligent tester.



1.VEHICLE BROUGHT TO WORKSHOP

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    2.INSPECT BATTERY VOLTAGE

      Standard voltage:
      11 to 14 V

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

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    3.INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)*

    1. Use the intelligent tester to check if the Multiplex Communication System (MPX) is functioning normally.
      Result 
      Result
      		Proceed to
      MPX DTC is not output
      		A
      MPX DTC is output
      		B



    		B.
    GO TO MULTIPLEX COMMUNICATION SYSTEM
    A


    4.CHECK FOR DTC*

    1. Check for DTC and note any codes that are output.

    2. Delete DTC.

    3. Recheck DTC.
      Result 
      Result
      		Proceed to
      DTC does not reoccur
      		A
      DTC reoccurs
      		B



    		B.
    GO TO DIAGNOSTIC TROUBLE CODE CHART
    A


    5.PROBLEM SYMPTOMS TABLE

      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. Terminals of ECU (Click here)

    2. Data List/Active Test (Click here)


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    7.REPAIR OR REPLACE

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      8.CONFIRMATION TEST

        NEXT

        END