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Home >> Lexus >> 2005 >> SC 430 >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Power Door Lock Control System - Diagnostics >> Automatic Locking Function By Vehicles Speed Does Not Work >> Circuit Description
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Circuit Description

The theft warning ECU monitors a signal of vehicle's speed transmitted multiply from the meter ECU, and it will drive each door lock motor when any of the doors is in the unlocked state with the vehicle's speed at approximately 20 km/h (13 mph).