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

Toyota Avalon Service & Repair Manual / Audio, Visual, Telematics / Audio / Video / Audio And Visual System(for Hv Model) / 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

    GPS Antenna Connection Malfunction(short) (B15C0,B15C1)

    See More:

    Toyota Avalon Service & Repair Manual > Active Noise Control System: Power Source Circuit
    DESCRIPTION This circuit is the power source circuit for the stereo component equalizer assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses and relays for circuits related to this system before performing the following procedure. PROCEDURE 1. CHECK HARNESS AND CONNECTOR (STERE ...

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