Toyota 4Runner: Stereo Component Amplifier Malfunction (B15A3)

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Navigation / Multi Info Display / Navigation System / Stereo Component Amplifier Malfunction (B15A3)

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

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.

USE SIMULATION METHOD TO CHECK

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY

AV Signal Stoppage (Low Battery Voltage) (B158F)

DESCRIPTION This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the navigation receiver assembly dropping temporarily. DTC No. DTC ...

XM Tuner Malfunction (B15BA)

DESCRIPTION These DTCs are stored when a malfunction occurs in the stereo component tuner assembly. DTC Code DTC Detection Condition Trouble Area ...

Other materials about Toyota 4Runner:

Relay(for Windshield Deicer)
On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. REMOVE DEICER RELAY (DEICER) (a) Remove the deicer relay from the engine room relay block. Text in Illustration *1 Deicer Relay ...

Radio Receiver Power Source Circuit
DESCRIPTION This is the power source circuit to operate the radio and display receiver assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following inspection procedure. ...