DTC B15D3: Stereo Component Amplifier Disconnected [10/2014 - ]: Description

The navigation ECU sub-assembly and stereo component amplifier assembly are connected via AVC-LAN communication line.

This DTC is stored when an AVC-LAN communication error occurs between the navigation ECU sub-assembly and stereo component amplifier assembly.

DTC No.	DTC Detection Condition	Trouble Area
B15D3	When either of the following conditions is met: The stereo component amplifier assembly is/was not connected while the power switch is/was on (ACC or IG) Communication between the master unit and the stereo component amplifier assembly is not possible when the hybrid system is started	Stereo component amplifier assembly power source circuit AVC-LAN circuit between navigation ECU sub-assembly and stereo component amplifier assembly Stereo component amplifier assembly Navigation ECU sub-assembly Harness or connector

HINT:

The navigation ECU sub-assembly is the master unit.