Lexus ES: ANC ECU EEPROM Data Memory Failure (B1AA044)
Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Audio / Video / Active Noise Control System (for Gasoline 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
|
| 2. | CHECK FOR DTC |
(a) Check for DTCs.
Body Electrical > Active Noise Control > Trouble CodesOK:
No DTCs are output.
| OK |  | USE SIMULATION METHOD TO CHECK |
| NG | | REPLACE STEREO COMPONENT EQUALIZER ASSEMBLY |
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On-vehicle Inspection
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