Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Stereo Component Amplifier Malfunction (B15A3)

Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual / Audio & Visual & Telematics / Navigation / Multi Info Display / Navigation System / 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

    AV Signal Stoppage (Low Battery Voltage) (B158F)
    DESCRIPTION This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the radio receiver assembly dropping temporarily. DTC No. Detection Item DTC Detection ...

    Display Malfunction (B15A6,B15B0)
    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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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

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