Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Stereo Component Amplifier Malfunction (B15A3)

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual / Audio & Visual & Telematics / Audio / Video / Audio And Visual System (for 12.3 Inch Display) / 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

1.

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.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY

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    DESCRIPTION These DTCs are stored when a malfunction occurs in the multi-display assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B15A6 Display Malfunction When a ...

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