CAUTION / NOTICE / HINT NOTICE:
HINT: Even if the portable player can play audio content, it may not be able to play via the in-vehicle device. This does not necessarily indicate a malfunction of the in-vehicle device. PROCEDURE
(a) Check if the portable player operates normally. OK: The portable player operates normally.
(a) Set volume, fader and balance to the initial values and check that the sound is normal. OK: Audio system returns to normal. HINT: Sound quality adjustment measures vary according to the type of amplifier.
(a) Check if the "Bluetooth" audio player plays normally on another "Bluetooth" audio compatible vehicle of the same model. OK: "Bluetooth" audio player plays normally.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Smart Key System(for Start Function, Hv Model): Engine Immobiliser System Circuit Short to Battery (B279A12)
DESCRIPTION If the communication line (IMI - EFIO) between the hybrid vehicle control ECU and certification ECU (smart key ECU assembly) is stuck high, the hybrid vehicle control ECU will store this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area Note B279A12 Engine Immobiliser Syst ...