Toyota Tundra Service Manual: System Diagram

SYSTEM DIAGRAM

Communication Table

Transmitting ECU (Transmitter)	Receiving ECU	Signal	Communication Method
ECM	Combination Meter Assembly Cruise Control Indicator Cruise Control SET Indicator Multi-information Display	Cruise control indicator and cruise control SET indicator operation signal Control vehicle speed signal	CAN
Skid Control ECU (Brake Actuator Assembly)	ECM	Wheel speed signal Speed sensor power drop signal Speed sensor condition signal Cruise control cancel request signal Under VSC control signal Under TRAC control signal	CAN
4 Wheel Drive Control ECU*1	ECM	Cruise control cancel request signal	CAN
Trailer Brake Control ECU (Brake Control with Bracket Relay)*2	ECM	Cruise control cancel request signal	CAN

*1: for 4WD

*2: for Trailer Brake Control System

Toyota Tundra Service Manual > Dynamic Radar Cruise Control System: Front Radar Sensor Incorrect Axial Gap (C1A11,C1A14)
DESCRIPTION When the system determines that the vehicle is driving straight ahead based on signals from the yaw rate and acceleration sensor (airbag sensor assembly), etc., the millimeter wave radar sensor assembly performs self-diagnosis to check if the sensor beam axis is misaligned. C1A11 is outp ...

Toyota Tundra Owners Manual