Toyota Yaris: Active Noise Control System / Diagnostic Trouble Code Chart

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Audio & Visual & Telematics / Audio / Video / Active Noise Control System / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Active Noise Control System

DTC No.	Detection Item	Link
B1AA000	ANC ECU Audio Amplifier Integrated Circuit
B1AA044	ANC ECU EEPROM Data Memory Failure
B1AA296	Front Left Microphone Circuit Component Internal Failure
B1AA31C	Front Left Microphone Circuit Circuit Voltage Out of Range
B1AA696	Front Right Microphone Circuit Component Internal Failure
B1AA71C	Front Right Microphone Circuit Circuit Voltage Out of Range
B1AAE71	Front Door Left Speaker Circuit Actuator Stuck
B1AAF71	Front Door Right Speaker Circuit Actuator Stuck
B1AB071	Rear Door Left Speaker Circuit Actuator Stuck
B1AB271	Rear Door Right Speaker Circuit Actuator Stuck
P033531	Crankshaft Position Sensor "A" No Signal
U010087	Lost Communication With ECM/PCM "A" Missing Message
U012987	Lost Communication With Brake System Control Module Missing Message
U014087	Lost Communication with Body Control Module Missing Message

Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the following table, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not...

ANC ECU Audio Amplifier Integrated Circuit (B1AA000,B1AA044)

DESCRIPTION This DTC are stored when a malfunction occurs in the stereo component equalizer assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B1AA000 ANC ECU Audio Amplifier Integrated Circuit Stereo component equalizer assembly malfunction Stereo component equalizer assembly B1AA044 ANC ECU EEPROM Data Memory Failure Stereo component equalizer assembly malfunction Stereo component equalizer assembly PROCEDURE 1...

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