CAUTION / NOTICE / HINT HINT: When the "iPhone" is connected to the USB port of the No. 1 stereo jack adapter, Entune audio may not be output. Before performing troubleshooting, disconnect the "iPhone" connected to the USB port of the No. 1 stereo jack adapter, change the audio output source of the "iPhone" or turn the ignition switch off and then ON again. PROCEDURE
(a) In sound output setting mode, 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.
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Toyota Tundra Service Manual > Windshield Deicer System: Windshield Deicer does not Operate
DESCRIPTION When the air conditioning control assembly (windshield deicer switch) turns is turned on, a windshield deicer activation request signal is sent via the LIN communication line to the air conditioning amplifier. Then the air conditioning amplifier operates the windshield deicer. WIRING DIA ...