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: Readiness Monitor Drive Pattern
READINESS MONITOR DRIVE PATTERN 1. PURPOSE OF READINESS TESTS The On-Board Diagnostic (OBD II) system is designed to monitor the performance of emission related components, and indicate any detected abnormalities with DTCs (Diagnostic Trouble Codes). Since various components need to be monitored dur ...

Toyota Tundra Service Manual: System Diagram

System Description

Terminals Of Ecu

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Toyota Tundra Service Manual