LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2021 >> NX 300h Luxury >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio / Video System (For 8 Speakers) - Diagnostic Codes & Symptom Tests >> AUDIO AND VISUAL SYSTEM (for 8 Speakers) >> DTC B15D3: Stereo Component Amplifier Disconnected [10/2014 - 09/2017] >> Description

DTC B15D3: Stereo Component Amplifier Disconnected [10/2014 - 09/2017]: Description

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

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

DTC No. Detection Item DTC Detection Condition Trouble Area
B15D3 Stereo Component Amplifier Disconnected When either condition below is met:
  • The stereo component amplifier assembly is/was not connected while the power switch is/was on (IG) or on (ACC)
  • 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 receiver assembly and stereo component amplifier assembly
  • Stereo component amplifier assembly
  • Radio receiver assembly
  • Harness or connector

HINT: 

For the AVC-LAN communication line, the radio receiver assembly is the master unit.