Lexus ES manuals

Lexus ES: 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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DESCRIPTION These DTCs are stored when a malfunction occurs in the No. 1 active noise control microphone system. DTC No. Detection Item DTC Detection Condition Trouble Area B1AA296 Fron

 Front Right Microphone Circuit Component Internal Failure (B1AA696,B1AA71C)

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SEE MORE:

 Disposal

DISPOSAL PROCEDURE 1. DISPOSE OF HOOD SUPPORT ASSEMBLY (a) Secure the hood support assembly horizontally in a vise with the piston rod pulled out. (b) Wearing safety glasses, gradually cut a part within the area (a) shown in the illustration using a metal saw to release the gas. Specification:

 Installation

INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. INSTALL REAR DOOR ILLUMINATION LIGHT (REAR DOOR OUTSIDE HANDLE ASSEMBLY) Click here 2. INSTALL REAR DOOR SERVICE HOLE COVER Click here 3

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