Toyota Avalon Service & Repair Manual: Stereo Component Amplifier Malfunction (B15A3)

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

    AVC-LAN Circuit

    Navigation Processor Malfunction (B15AD)

    See More:

    Toyota Avalon Service & Repair Manual > Lighting System(for Gasoline Model Without Cornering Light): Daytime Running Light Circuit
    DESCRIPTION The main body ECU (multiplex network body ECU) controls the daytime running lights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. Before replacing the main body ECU (multiplex network body E ...

    Toyota Avalon Owners Manual

    Toyota Avalon Service & Repair Manual

    © 2022 Copyright www.tavalon.net
    0.0117