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:
DESCRIPTION This DTC is stored when an UART communication error occurs between the stereo component equalizer assembly and stereo component amplifier assembly. DTC No. Detection Item DTC Detect
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:
TERMINALS OF ECU NOTICE:
Turning the power switch on (IG) with connectors disconnected may cause DTCs to be stored. Make sure to clear the DTCs after inspection has been performed.
Do not apply excessive force to the millimeter wave radar sensor assembly connector.
CHECK MILLIMETER WAVE RAD
DISASSEMBLY PROCEDURE 1. REMOVE CLUTCH DRUM OIL SEAL RING (a) Remove the 4 clutch drum oil seal rings from the stator shaft assembly. NOTICE: Do not expand the gap of the clutch drum oil seal rings excessively. 2. REMOVE OIL STRAINER ASSEMBLY (a) Using a T30 "TORX" socket wrench, r
© 2016-2023 Copyright www.lexguide.net
