Toyota Tundra Service Manual: System Diagram

SYSTEM DIAGRAM

Communication Table

Sender	Receiver	Signal	Communication Method
Center airbag sensor assembly	Main body ECU (driver side junction block assembly)	Front seat inner belt assembly LH buckle switch	CAN
Center airbag sensor assembly	Combination meter assembly	Front seat inner belt assembly RH buckle switch Occupant detection
Main Body ECU (Multiplex Network Body ECU)	Combination meter assembly	Front seat inner belt assembly LH buckle switch Parking brake switch
ECM	Combination meter assembly	Shift position

Toyota Tundra Service Manual > Trailer Brake Control System: Output Circuit Temperature High / Over Current (C14A4,C14A6,C14AA)
DESCRIPTION The trailer brake control ECU (brake control with bracket relay) is connected via the trailer socket and direct line. The trailer brake control ECU (brake control with bracket relay) outputs a signal to the trailer socket. DTC No. Detection Item INF Code DTC Detection Condition Trouble A ...

Toyota Tundra Owners Manual