DESCRIPTION The No. 1 stereo jack adapter assembly sends an external device sound signal to the radio and display receiver assembly through this circuit. The sound signal that has been sent is amplified by the radio and display receiver assembly and then is sent to the speakers. If there is an open or short in the circuit, sound cannot be heard from the speakers even if there is no malfunction in the radio and display receiver assembly or speakers. WIRING DIAGRAM  PROCEDURE
(a) Disconnect the J139 radio and display receiver assembly connector. (b) Disconnect the J100 No. 1 stereo jack adapter assembly connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Tundra Service Manual > Pre-collision System: Lost Communication with Gateway Module (U1002)
DESCRIPTION DTC U1002 is stored when the millimeter wave radar sensor assembly cannot receive signals from the forward recognition camera. DTC No. Detection Item DTC Detection Condition Trouble Area U1002 Lost Communication with Gateway Module After the ignition switch is turned to ON, communication ...
