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

IG Power Source Circuit: Description

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

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

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