Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Entry Answer-back Buzzer does not Sound: Procedure
2010 Lexus LS 460L AWDSECTION Procedure
- CHECK WIRELESS DOOR LOCK BUZZER OPERATION
- 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.
RESULTResult Proceed to Buzzer sounds A Buzzer does not sound B
B → See step 2
A → REPLACE CERTIFICATION ECU
- When the wireless operation is used to lock and unlock the doors, check that the wireless door lock buzzer sounds normally.
- GO TO WIRELESS DOOR LOCK CONTROL SYSTEM. Refer to PRECAUTION
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.