CAUTION / NOTICE / HINT HINT:
PROCEDURE
(a) Check that the same problem does not occur in the sound heard from the speakers of another "Bluetooth" audio compatible vehicle of the same model. OK: The same problem does not occur in the sound heard from the speakers.
(a) Remove additional devices which use radio waves. (b) Play the portable player and check that the same problem does not occur in the sound heard from the speakers. OK: The same problem does not occur in the sound heard from the speakers.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Lane Departure Alert System (w/ Steering Control)(for Gasoline Model): Driving Support ECU (C1A01)
DESCRIPTION If the forward recognition camera detects a malfunction in the internal circuit of the driving support ECU assembly, DTC C1A01 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A01 Driving Support ECU 2 seconds after the engine switch is turned on (IG), a malfuncti ...