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 > Meter / Gauge System: Lost Communication with Cruise Control Front Distance Range Sensor (U0235)
DESCRIPTION The combination meter assembly communicates with the millimeter assembly wave radar sensor assembly via the CAN line. DTC Code DTC Detection Condition Trouble Area U0235 When either of following conditions is detected: IG voltage 10.5 V or more No communication with millimeter assembly w ...

Toyota Tundra Owners Manual