Toyota Tundra Service Manual: System Diagram

SYSTEM DIAGRAM

Communication Table

Transmitting ECU (Transmitter)	Receiving ECU	Signal	Communication Method
Main Body ECU (Multiplex Network Body ECU)	Multiplex Tilt and Telescopic ECU	IG SW signal Store command of driver seat memory Recall command of driver seat memory Auto away/return state signal	CAN
Front Power Seat Switch LH	Multiplex Tilt and Telescopic ECU	Memory recall signal Start signal to play tilt and telescopic steering Stop signal to play memory
Combination Meter Assembly	Multiplex Tilt and Telescopic ECU	Vehicle speed signal
Multiplex Tilt and Telescopic ECU	Main Body ECU (Multiplex Network Body ECU)	State signal of tilt and telescopic steering
Multiplex Tilt and Telescopic ECU	Front Power Seat Switch LH	Tilt and telescopic recall and execution signal Tilt and telescopic recall and end signal
Tilt and Telescopic Switch (Headlight Dimmer Switch Assembly)	Multiplex Tilt and Telescopic ECU	Tilt and Telescopic Switch signal	Direct line

Toyota Tundra Service Manual > Audio And Visual System: HD Radio Tuner Malfunction (B1551,B15A0,B15B0,B15B3-B15B5,B15B7)
DESCRIPTION These DTCs are stored when a malfunction occurs in the radio and display receiver assembly. DTC Code DTC Detection Condition Trouble Area B1551 When one of the conditions below is met: "HD Radio" tuner decoder malfunction "HD Radio" tuner audio output section malfunction "HD Radio" tuner ...

Toyota Tundra Owners Manual