Buzzer Sound Function

WARNING: This page is about a different car, the 2002 Lexus GS 430 and 2002 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

When the body ECU No. 1 receives the door lock signal from the door ECU via the door lock motor, during lock operation, the wireless door lock buzzer goes on once for approximately 0.1 second.

When the body ECU No. 1 receives the door unlock signal from the door ECU via the door lock motor, during unlock operation, the wireless door lock buzzer goes on twice for approximately 0.2 second at intervals of 0.1 second.

When the luggage door is unlocked and the body ECU No. 1 outputs the unlock signal, the wireless door lock buzzer goes on once for approximately 0.5 second.

When the body ECU No. 1 receives the lock signal from the transmitter while any door is open, the wireless door lock buzzer sounds for approximately 10 seconds. If the door is closed or if the unlock signal is received from the transmitter while the buzzer is sounding, the buzzer stops.