WIRELESS DOOR LOCK CONTROL SYSTEM 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 auxiliary battery voltage.

      Standard voltage

      11 to 14 V (power switch off)

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

  4. SELF-DIAGNOSTIC MODE (USING GTS)

    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the GTS on.

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

      Body Electrical > Entry&Start > Utility

      Tester Display

      Wireless Door Lock Diagnosis Mode

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

    6. B220865E41

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

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

      B163380E74
      Table 1. Result

      Wireless Door Lock Buzzer Output

      Suspected Area

      A

      Normal (No malfunction)

      B

      Register wireless code

      C

      Wave interference or malfunction of a related component