Toyota Tundra Service Manual: No Sound can be Heard from Speakers

PROCEDURE

1.

CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

(a) In sound output setting mode, set volume, fader and balance to the initial values and check that the sound is normal.

OK:

Audio and visual system returns to normal.

OK

END (SETTINGS ARE DEFECTIVE)

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Microphone Circuit between Microphone and Radio Receiver

    Noise Occurs or Sound Skips when Portable Player Plays

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    DESCRIPTION This DTC is detected when the 4 wheel drive control ECU, which monitors the B terminal voltage, determines that the standard voltage is not met and detects a B terminal system malfunction. DTC Code DTC Detection Condition Diagnosis Condition Malfunction Status Malfunction Time Other Trou ...

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