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Home >> Toyota >> 2016 >> Highlander XLE, AWD >> Repair and Diagnosis >> Suspension >> Wheels & Tire System >> Tire Pressure Warning System - Diagnostic Codes & Circuit Tests - (Except Hybrid) >> Tire Pressure Warning System >> Circuit Tests >> ECU Power Source Circuit [12/2013 - 11/2016] >> Description

ECU Power Source Circuit [12/2013 - 11/2016]: Description

The IG circuit is the power source for the tire pressure warning ECU and receiver.