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Home >> Lexus >> 2017 >> IS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Steering >> Steering Column >> Power Tilt & Power Telescopic Steering Column System - Diagnostic Codes & Circuit Tests >> Power Tilt And Power Telescopic Steering Column System >> IG Power Source Circuit [04/2013 - ] >> Description

IG Power Source Circuit [04/2013 - ]: Description

When the engine switch is turned on (IG), the IG power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU.

The multiplex tilt and telescopic ECU also receives engine switch signals via this circuit.

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