Toyota Tundra Service Manual: System Diagram

Toyota Tundra Service Manual / Engine, Hybrid System / Wf1am Transfer / Touch Select 2-4 And High-low System / System Diagram

SYSTEM DIAGRAM

Transmitting ECU (Transmitter)	Receiving ECU	Signal	Communication Method
Skid control ECU	4 wheel drive control ECU	Wheel speed sensor error signal Wheel speed signal Vehicle wheel sensor power supply decline status signal Vehicle speed signal	CAN communication system
ECM	4 wheel drive control ECU	Shift position P signal Shift position N signal	CAN communication system
4 wheel drive control ECU	Combination meter assembly	4WD indicator ON and flashing request signal L4 indicator ON and flashing request signal Buzzer sound demand signal	CAN communication system
4 wheel drive control ECU	Skid control ECU	Motor energizing signal 4WD status signal L4 status signal	CAN communication system
4 wheel drive control ECU	ECM	Cruise control cancel request signal 4WD status signal	CAN communication system

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Toyota Tundra Service Manual > Sfi System: Actuator Supply Voltage Circuit / Open (P0657)
DESCRIPTION The ECM monitors the output voltage to the throttle actuator. This self-check ensures that the ECM is functioning properly. The output voltage usually is 0 V when the ignition switch is turned off. If the output voltage is higher than 7 V when the ignition switch is turned off, the ECM w ...

Toyota Tundra Service Manual: System Diagram

System Description

Terminals Of Ecu

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Toyota Tundra Owners Manual

Toyota Tundra Service Manual