DESCRIPTION These DTCs are stored when a malfunction occurs in the No. 3 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 B1AAA96 and B1AAB1C are not output.
(a) Disconnect the G68 stereo component equalizer assembly connector. (b) Disconnect the O15 No. 3 active noise control microphone connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Replace the No. 3 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 B1AAA96 and B1AAB1C are not output.
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Toyota Avalon Service & Repair Manual > Theft Deterrent System(for Hv Model): Engine Hood Courtesy Switch Circuit
DESCRIPTION The engine hood courtesy switch is built into the hood lock assembly. This switch turns on when the engine hood is closed and turns off when the engine hood is opened. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to ...