Lexus ES: Stereo Component Amplifier Malfunction (B15A3)

Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Audio / Video / Audio And Visual 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

SEE MORE:

Crankshaft Position Sensor "A" (P033500,P033531)

DESCRIPTION If the crankshaft position signal pulse sent from the ECM via a direct line is abnormal, the motor generator control ECU (MG ECU) (built into the inverter with converter assembly) stores DTC P033500 or P033531. DTC No. Detection Item DTC Detection Condition Trouble Area MIL

Gauges and meters

Meter display ■ Locations of gauges and meters The units of measure may differ depending on the intended destination of the vehicle. Multi-information display Presents the driver with a variety of vehicle data Displays warning messages if a malfunction occurs Outside temperature

Lexus ES: Stereo Component Amplifier Malfunction (B15A3)

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GPS Antenna Connection Malfunction(short) (B15C0,B15C1)

Speaker Output Short (B15C3)

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Crankshaft Position Sensor "A" (P033500,P033531)

Gauges and meters