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Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 171 (Audio / Video System (Hybrid) - Symptom Tests & Circuit Tests) >> AUDIO AND VISUAL SYSTEM (for HV Model) >> Mute Signal Circuit between Stereo Component Amplifier and Telematics Transceiver [06/2018 - 10/2019] >> Description

Mute Signal Circuit between Stereo Component Amplifier and Telematics Transceiver [06/2018 - 10/2019]: Description

WARNING: This page is about a different car, the 2022 Lexus ES 300h, 2021 Lexus ES 300h, 2020 Lexus ES 300h, and 2019 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

The DCM (telematics transceiver) sends a mute signal to the stereo component amplifier assembly.

The stereo component amplifier assembly controls the volume according to the mute signal from the DCM (telematics transceiver).

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