Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001ATU4
Model Year Start: 2019 Model: Avalon Prod Date Range: [04/2018 -           ]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for Gasoline Model): B15A3; Stereo Component Amplifier Malfunction; 2019 - 2022 MY Avalon [04/2018 -        ]

DTC

B15A3

Stereo Component Amplifier Malfunction

DESCRIPTION

This DTC is stored when a malfunction occurs in the stereo component amplifier assembly.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15A3

Stereo Component Amplifier Malfunction

When any of the following conditions is met:

  • Internal power supply malfunction
  • DSP error
  • EEPROM error

Stereo component amplifier assembly

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(b) Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY 2019 - 2021 MY Avalon Avalon HV [04/2018 - 08/2021]; AUDIO / VIDEO: STEREO COMPONENT AMPLIFIER: REMOVAL 2022 MY Avalon Avalon HV [08/2021 -        ]; AUDIO / VIDEO: STEREO COMPONENT AMPLIFIER: REMOVAL