DESCRIPTION These DTCs are stored when a malfunction occurs in the No. 2 active noise control microphone system.
HINT: *: Malfunction monitoring is not performed under the following conditions, in order to prevent erroneous detection.
WIRING DIAGRAM PROCEDURE
(a) Clear the DTCs. Body Electrical > Active Noise Control > Clear DTCs
(a) Check for DTCs. Body Electrical > Active Noise Control > Trouble CodesOK: DTC B1AA696 and B1AA71C are not output.
(a) Disconnect the G68 stereo component equalizer assembly connector. (b) Disconnect the O14 No. 2 active noise control microphone connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Replace the No. 2 active noise control microphone with a new or known good one. Click here
(a) Clear the DTCs. Body Electrical > Active Noise Control > Clear DTCs
(a) Check for DTCs. Body Electrical > Active Noise Control > Trouble CodesOK: DTC B1AA696 and B1AA71C are not output.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Audio And Visual System(for Gasoline Model): Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: After the engine switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds be ...