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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On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY (a) Check Rotation Direction Signal: (1) Connect the Techstream to the DLC3. (2) Turn the engine switch on (IG). (3) Turn the Techstream on. (4) Enter the following menus: Powertrain / Engine / Data List / VVT-iE M

Precaution

PRECAUTION PRECAUTION WHEN REMOVING/INSTALLING INVERTER WITH CONVERTER ASSEMBLY CAUTION: Be careful not to injure yourself on the edges of the inverter with converter assembly when performing work. Do not push down or apply excessive force to the inverter with converter assembly. NOTICE: Obs

Lexus ES: Stereo Component Amplifier Malfunction (B15A3)

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On-vehicle Inspection

Precaution