Lexus ES: Stereo Component Amplifier Malfunction (B15A3)

Lexus ES (XZ10) Service 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

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.

USE SIMULATION METHOD TO CHECK

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY

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Inspection

INSPECTION PROCEDURE 1. INSPECT NO. 1 HV BATTERY INTAKE FILTER HINT: If the vehicle is used in an area with heavy traffic or excessive dust, or if the rear seat is used frequently, the No. 1 HV battery intake filter may be clogged. Clean or replace the No. 1 HV battery intake fil

Components

COMPONENTS ILLUSTRATION *1 TRANSMISSION VALVE BODY ASSEMBLY *2 TRANSAXLE CASE GASKET *3 NO. 1 FRONT OIL PUMP COVER GASKET *4 NO. 2 FRONT OIL PUMP COVER GASKET Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*

Lexus ES: Stereo Component Amplifier Malfunction (B15A3)

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Inspection

Components