Key Reminder Warning System How To Proceed With Troubleshooting

Vehicle Interior. Corolla. Zre142 Aze141
Door Lock. Corolla. Zre142 Aze141

  1. VEHICLE BROUGHT TO WORKSHOP

  2. CUSTOMER PROBLEM ANALYSIS

  3. INSPECT BATTERY VOLTAGE

  4. INSPECT FUNCTION OF CAN COMMUNICATION SYSTEM*

  5. PROBLEM SYMPTOMS TABLE

  6. OVERALL ANALYSIS AND TROUBLESHOOTING*

  7. REPAIR OR REPLACE

  8. CONFIRMATION TEST

Key Reminder Warning System -- How To Proceed With Troubleshooting


HINT:
  1. Use the following procedure to troubleshoot the key reminder warning system.
  2. *: Use the Techstream.


1.VEHICLE BROUGHT TO WORKSHOP

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    2.CUSTOMER PROBLEM ANALYSIS
      HINT:
      1. In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
      2. Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
      1. The following 5 items are important points in the problem analysis:

        What
        		Vehicle model, system name
        When
        		Date, time, occurrence frequency
        Where
        		Road conditions
        Under what conditions?
        		Driving conditions, weather conditions
        How did it happen?
        		Problem symptoms

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    3.INSPECT BATTERY VOLTAGE

    1. Measure the battery voltage.

      Standard Voltage:
      11 to 14 V
      If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.

    NEXT


    4.INSPECT FUNCTION OF CAN COMMUNICATION SYSTEM*

    1. Using the Techstream, inspect the CAN communication function to ensure that there are no malfunctions in the communication system.

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


    		B.
    GO TO CAN COMMUNICATION SYSTEM (COROLLA_ZRE142 RM000002B6V03LX.html)
    A


    5.PROBLEM SYMPTOMS TABLE

    1. Refer to Problem Symptoms Table (Link).

      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 (COROLLA_ZRE142 RM0000011WG04BX.html)

    2. Terminals of ECU (COROLLA_ZRE142 RM0000011G404EX.html)

    3. Operation Check (COROLLA_ZRE142 RM00000133204CX.html)


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    7.REPAIR OR REPLACE

      NEXT


      8.CONFIRMATION TEST

        NEXT

        END