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 With Cornering Light): CAN Communication Failure (Message Registry) (U1000)
    DESCRIPTION The headlight ECU sub-assembly LH or headlight ECU sub-assembly RH stores this DTC if it detects an internal malfunction related to the CAN communication system. HL AutoLeveling DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U1000 CAN Communication Failure (M ...

    Toyota Avalon Owners Manual

    Toyota Avalon Service & Repair Manual

    © 2023 Copyright www.tavalon.net
    0.0211