PROCEDURE
(a) Check the portable player settings. (1) Check that the volume is not set to "0". (2) Check that mute is off. (b) Check that the sound of the portable player can be heard from the speakers. OK: Sound of the portable player can be heard from the speakers. HINT: If the portable player volume can be adjusted, adjust the volume.
(a) Check the audio settings. (1) Check that the volume is not set to "0". (b) Check that the sound of the portable player can be heard from the speakers. OK: Sound of the portable player can be heard from the speakers.
(a) Check that the sound of the portable player can be heard from the speakers on another "Bluetooth" audio compatible vehicle of the same model. OK: Sound of the portable player can be heard from the speakers.
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Toyota Tundra Service Manual > Forward Recognition Camera System: Skid Control Buzzer Circuit (C1AA7)
DESCRIPTION The forward recognition camera operates the pre-collision warning by sending a buzzer request signal to the skid control buzzer assembly. If the forward recognition camera detects a malfunction in the skid control buzzer assembly circuit, it will output DTC C1AA7. DTC No. Detection Item ...