Lexus ES manuals

Lexus ES: ANC ECU EEPROM Data Memory Failure (B1AA044)

Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Audio / Video / Active Noise Control System(for Hv Model) / ANC ECU EEPROM Data Memory Failure (B1AA044)

DESCRIPTION

This DTC is stored when a malfunction occurs in the stereo component equalizer assembly.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B1AA044

ANC ECU EEPROM Data Memory Failure

Stereo component equalizer assembly malfunction

Stereo component equalizer assembly

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Active Noise Control > Clear DTCs
NEXT

2.

CHECK FOR DTC

(a) Check for DTCs.

Body Electrical > Active Noise Control > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE STEREO COMPONENT EQUALIZER ASSEMBLY

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