Toyota Tundra Service Manual: System Diagram

SYSTEM DIAGRAM

Communication table:

Sender	Receiver	Signal	Line
Main Body ECU	Combination Meter	Front Door Courtesy Light Switch	CAN
Main Body ECU	Combination Meter	Unlock Warning Switch	CAN

Toyota Tundra Service Manual > Engine Immobiliser System (w/o Smart Key System): Transponder Chip Malfunction (B2793,B2794,B2797,B2798)
DESCRIPTION DTC B2793 is stored when a malfunction is found in the key during key ID code registration or a key ID code is not registered normally. Replace the key if key ID code registration cannot be performed normally and this DTC is output. DTC B2794 is stored when a key with an incomplete key I ...

Toyota Tundra Owners Manual