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Home >> Toyota >> 2021 >> Sequoia TRD Pro >> 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 >> IG Power Source Circuit [08/2017 - 08/2019] >> Description
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IG Power Source Circuit [08/2017 - 08/2019]: Description

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

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

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