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 > Sfi System: Throttle Actuator Control Motor Current Range / Performance (P2118)
DESCRIPTION The ETCS (Electronic Throttle Control System) has a dedicated power supply circuit. The voltage (+BM) is monitored and when it is low (less than 4 V), the ECM determines that there is a malfunction in the ETCS and cuts off the current to the throttle actuator. When the voltage becomes un ...
