LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2012 >> IS 250C Standard Trans >> Repair and Diagnosis (Single Page) >> Steering >> Steering Column >> Power Tilt & Telescopic Steering Column System (Diagnostic Codes & Circuit Tests) >> Power Tilt And Power Telescopic Steering Column System >> Circuit Tests >> IG Power Source Circuit >> Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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 and telescopic ECU.

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