DTC B15D3: Stereo Component Amplifier Disconnected [03/2019 - 11/2022]: Description

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The radio and display receiver assembly and stereo component amplifier assembly are connected via AVC-LAN communication line.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B15D3	Stereo Component Amplifier Disconnected	When either of the following conditions is met: Stereo component amplifier assembly is/was not connected while the ignition switch is/was to ACC or to ON Communication between the master unit and the stereo component amplifier assembly is not possible when the engine is started.	Stereo component amplifier assembly power source circuit AVC-LAN circuit between radio and display receiver assembly and stereo component amplifier assembly Stereo component amplifier assembly Radio and display receiver assembly Harness or connector

HINT:

The radio and display receiver assembly is the master unit.