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
(a) Clear the DTCs.
Body Electrical > Active Noise Control > Clear DTCs
NEXT | | |
(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 |
READ NEXT:
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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
DESCRIPTION These DTCs are stored when a malfunction occurs in the No. 2 active noise control microphone system. DTC No. Detection Item DTC Detection Condition Trouble Area B1AA696 Fron
SEE MORE:
PARTS LOCATION ILLUSTRATION *1 TILT AND TELESCOPIC SWITCH *2 STEERING COLUMN ASSEMBLY - TILT MOTOR - TELESCOPIC MOTOR *3 NO. 1 ENGINE ROOM RELAY BLOCK AND NO. 1 JUNCTION BLOCK ASSEMBLY - TI&TE FUSE *4 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-DCC NO. 2 FUSE - ECU-IG1 NO.
Main Owner's Manual
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including options. Therefore, you may
find some explanations for equipment
not installed on your vehicle.
All specifications provided in this manual
are current at the time of printing.
How
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