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Home >> Lexus >> 2015 >> IS 250C Base >> Repair and Diagnosis (Single Page) >> Steering >> Steering Column >> Steering Lock System (Diagnostic Codes & Circuit Tests) >> Steering Lock System >> Circuit Tests >> Power Source Circuit [08/2013 - ] >> Description

Power Source Circuit [08/2013 - ]: Description

This circuit supplies power source voltage from the battery to terminal B of the steering lock ECU. This is used as power source for the CPU, motor, communication, and peripheral circuits.