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Home >> Audi >> 2016 >> A6 Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 168 (Tire Pressure Monitoring System (Diagnostic Codes & Circuit Tests)) >> Tire Pressure Warning System >> Circuits Tests >> ECU Power Source Circuit [08/2013 - ] >> Description

ECU Power Source Circuit [08/2013 - ]: Description

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

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