Lexus ES manuals

Lexus ES: 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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 Speaker Output Short (B15C3)

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SEE MORE:

 Components

COMPONENTS ILLUSTRATION *A w/ Power Trunk Lid System - - *1 LUGGAGE COMPARTMENT DOOR ASSIST GRIP *2 LUGGAGE COMPARTMENT DOOR COVER *3 LUGGAGE LOCK CONTROL CABLE PLATE *4 SWITCH BEZEL ILLUSTRATION *1 LUGGAGE COMPARTMENT DOOR HINGE COVER LH *2 LUGGAGE COMPART

 Removal

REMOVAL PROCEDURE 1. REMOVE BATTERY SERVICE HOLE COVER (a) Remove the clip. Remove in this Direction (b) Disengage the 7 claws as shown in the illustration. (c) Disengage the guide to remove the battery service hole cover as shown in the illustration.

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