KEY REMINDER WARNING SYSTEM (w/o Entry and Start System) > HOW TO PROCEED WITH TROUBLESHOOTING

for Preparation Click here


HINT:
  1. Use these procedures to troubleshoot the key reminder warning system.
  2. *: Use the intelligent tester.



1.VEHICLE BROUGHT TO WORKSHOP

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    2.CUSTOMER PROBLEM ANALYSIS CHECK

    1. Interview the customer to confirm the problem (Click here).


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    3.INSPECT BATTERY VOLTAGE

    1. Check the battery voltage.

      2. Standard voltage:
      11 to 14 V

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


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    4.CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

    1. Use an intelligent tester to check if the CAN communication system is functioning normally.
      Result 
      Result
      		Proceed to
      DTC is not output
      		A
      DTC is output
      		B



    		B.
    GO TO CAN COMMUNICATION SYSTEM (Click here).
    A


    5.PROBLEM SYMPTOMS TABLE
      Result 
      Result
      		Proceed to
      Fault is not listed on Problem Symptoms Table
      		A
      Fault is listed on 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

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        END