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Key Unlock Warning System - Diagnostics: Pre-Check

  1. DATA LIST 

    HINT:

    According to the DATA LIST displayed by the OBD II scan tool or hand-held tester, you can read the value of the switch, sensor, actuator and so on without parts removal. Reading the DATA LIST as a first step of troubleshooting is one of the method to shorten the labor time.

    1. Connect the OBD II scan tool or hand-held tester to the DLC3.
    2. Turn the ignition switch ON.
    3. According to the display on tester, read the "DATA LIST".
      1. Standard (Body ECU): 
      PRE-CHECK

      Item Measurement item/ Display (Range) Normal condition Diagnostic note
      KEY UNLK WRN SW Key unlock warning SW signal /ON or OFF ON: The key is in the IG key cylinder
      OFF: The key is not in the IG key cylinder
      -
      D DOR CTY SW Driver's door courtesy SW signal /ON or OFF ON: Driver's door is open
      OFF: Driver's door is close
      -
  2. ACTIVE TEST 

    HINT:

    Performing to the ACTIVE TEST using the OBD II scan tool or hand-held tester allows the relay, VSV, actuator and so on without parts removal. Performing to the ACTIVE TEST as a first step of troubleshooting is one of the method to shorten the labor time.

    1. Connect the OBD II scan tool or hand-held tester to the DLC3.
    2. Turn the ignition switch ON.
    3. According to the display on tester, perform the "ACTIVE TEST".

      Standard (Body ECU): 

      ACTIVE TEST

      Item Test details Diagnostic note
      KEY REMND BUZZER [Test Details] Turns Key reminder buzzer ON / OFF [Vehicle Condition] IG SW is ON and D door is close A Key reminder buzzer is installed in the combination meter