KEY REMINDER WARNING SYSTEM(w/o Power Switch) HOW TO PROCEED WITH TROUBLESHOOTING

DTC Code DTC Name
HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

Tech Tips


  • Use these procedures to troubleshoot the key reminder warning system.

  • *: Use the GTS.

PROCEDURE


  1. VEHICLE BROUGHT TO WORKSHOP

    Result
    Proceed to
    NEXT

    NEXT

  2. INSPECT AUXILIARY BATTERY VOLTAGE


    1. Check the auxiliary battery voltage.

      Standard voltage
      11 to 14 V

      Tech Tips

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

      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*


    1. Use a GTS to check if the CAN communication system is functioning normally.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output (w/ Toyota Safety Sense) B
      DTC is output (w/o Toyota Safety Sense) C

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

  4. 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 6 Click here

    A

  5. OVERALL ANALYSIS AND TROUBLESHOOTING*


    1. Terminals of ECU.

      Click here

    2. Data List / Active Test.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  6. REPAIR OR REPLACE

    Result
    Proceed to
    NEXT

    NEXT

  7. CONFIRMATION TEST

    Result
    Proceed to
    NEXT

    NEXT

    END