Lexus ES: Stereo Component Amplifier Malfunction (B15A3)

Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Navigation / Multi Info Display / Navigation System (for Gasoline 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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Reassembly

REASSEMBLY PROCEDURE 1. INSTALL SUNSHADE TRIM SUB-ASSEMBLY (a) Make sure that the No. 1 sliding roof shoe sub-assembly is positioned as shown in the illustration. HINT: Use the same procedure for the RH side and LH side. *a No. 1 Sliding Roof Shoe Sub-assembly *b Cutout

Switch Operation of Remote Touch not Accepted

CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System. Click here When replacing the radio receiver assembly, always re

Lexus ES: Stereo Component Amplifier Malfunction (B15A3)

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Reassembly

Switch Operation of Remote Touch not Accepted