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Home >> Lexus >> 2012 >> LS 460L AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Smart Access System (Keyless Entry) (Diagnostics & Symptom Tests)) >> Smart Access System With Push-Button Start >> Symptom Tests >> Entry Answer-back Buzzer does not Sound >> Procedure

Entry Answer-back Buzzer does not Sound: Procedure

WARNING: This page is about a different car, the 2012 Lexus LS 460. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK WIRELESS DOOR LOCK BUZZER OPERATION 
    1. When the wireless operation is used to lock and unlock the doors, check that the wireless door lock buzzer sounds normally.

      HINT: 

      Turn the wireless door lock buzzer controller ON.

      RESULT

      Result Proceed to
      Buzzer sounds A
      Buzzer does not sound B

    B → See step   2 

    A → REPLACE CERTIFICATION ECU 

  2. GO TO WIRELESS DOOR LOCK CONTROL SYSTEM. Refer to  PRECAUTION