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Home >> Buick >> 2017 >> Envision Base >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> DTC B1265: Entertainment System Remote Enable Circuit >> Circuit/System Description
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Circuit/System Description

When the radio is on, a discrete 12 V signal is supplied on the entertainment remote enable circuit to the Active Noise Cancellation Module / Audio Amplifier. This signal is used to control the power state of the component.

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