Toyota Tundra Service Manual: System Diagram

SYSTEM DIAGRAM

Communication table

Sender	Receiver	Signal	Line
Air Conditioning Control Assembly	Air Conditioning Amplifier	Air conditioning control signal	LIN
ECM	Air Conditioning Amplifier	Engine speed Engine coolant temperature signal	CAN

Toyota Tundra Service Manual > Occupant Classification System: Passenger Side Buckle Switch Circuit Malfunction (B1771)
DESCRIPTION The passenger side buckle switch circuit consists of the occupant classification ECU and the front seat inner belt RH. DTC B1771 is recorded when a malfunction is detected in the passenger side buckle switch circuit. Troubleshoot DTC B1771 first when DTCs B1771 and B1795 are output simul ...

Toyota Tundra Owners Manual