WIRELESS DOOR LOCK CONTROL SYSTEM(w/ Power Switch) DIAGNOSIS SYSTEM


  1. DESCRIPTION

    The ECU stores trouble codes when malfunctions occur.

    The diagnostic system allows for reading of the trouble codes from the DLC3.

    Use the GTS to help diagnose and repair the problem.

  2. CHECK DLC3


    1. Check the DLC3 Click here.

  3. INSPECT AUXILIARY BATTERY VOLTAGE


    1. Measure the vehicle auxiliary battery voltage with the power switch off.

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

    2. SELF-DIAGNOSTIC MODE (USING GTS)


      1. Connect the GTS to the DLC3.

      2. Turn the power switch on (IG).

      3. Turn the GTS on.

      4. Enter the following menus: Body Electrical / Entry & Start / Utility / Wireless Door Lock Diagnosis Mode.

      5. Proceed to the next step in accordance with the prompts on the GTS screen.

        Tech Tips

        The electrical key transmitter sends 2 different frequencies alternately for communication.

        When in self diagnostic mode, one of the channels can be selected or the channels can be automatically switched.

      6. A01V20FE73
      3. Wireless Door Lock Buzzer Output
      *1 ON
      *2 OFF
      *3 T1: 0.125 seconds
      *4 T2: 0.5 seconds

Check that the system has switched to self-diagnostic mode by checking the wireless door lock buzzer output pattern.

  • Check the diagnostic outputs when the electrical key transmitter sub-assembly switch is held down. The diagnostic outputs can be checked by the interior light and wireless door lock buzzer patterns.

    A01V1ZNE03
    Result
    Wireless Door Lock Buzzer Output Suspected Area
    A Normal
    B Register wireless code
    C Wave interference or malfunction of a related component