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 > Sfi System: Internal Control Module Monitoring Processor Performance (P060A)
DESCRIPTION The main CPU and sub CPU of the ECM perform data communication between each other. The main CPU monitors the communications and WDC pulses from the sub CPU. When the signal malfunctions below are detected, a DTC is output. DTC No. DTC Detection Condition Trouble Area P060A When any condi ...

Toyota Tundra Owners Manual