Toyota 4Runner Quiz
Audio / Visual / Telematics

Stereo Component Amplifier Malfunction (B15A3)

In this manual: Audio / Visual / Telematics
General — 25Audio / Visual / Telematics — 283Brake — 187Drivetrain — 204Power Source / Network — 79Steering — 76Suspension — 130Vehicle Exterior — 391Vehicle Interior — 693
~1min read
DESCRIPTION

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

DTC No.

DTC Detection Condition

Trouble Area

B15A3

When one of the conditions below is met:

  • Internal power supply malfunction
  • DSP error
  • EEPROM error

Stereo component amplifier assembly
PROCEDURE

  1. CHECK DTC

(a) Clear the DTCs (See page ).


(b) Recheck for DTCs and check if the same DTC are output again.

OK:

No DTCs are output.


OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY

Test yourself

A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.