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Home >> Lexus >> 2006 >> LS 430 >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Smart Key System - Diagnostics >> Room Oscillator Circuit >> Circuit Description
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Circuit Description

The theft warning ECU activates the front and rear room oscillators. The power is supplied from the driver side J/B to both the room oscillators. The front and rear room oscillator circuits have the same wiring. If the smart key system does not operate properly inside the vehicle, check the circuit for these oscillators.