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 > Engine Immobiliser System (w/o Smart Key System): Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Engine Immobiliser System DTC No. Detection Item Link B2780 Push Switch / Key Unlock Warning Switch Malfunction B2784 Antenna Coil Open / Short B2793 Transponder Chip Malfunction B2794 Unmatched Encryption Code B2795 Unmatched Key Code B2796 No Communication in Immobili ...

Toyota Tundra Owners Manual