Toyota Tundra Service Manual: 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

    System Description

    Terminals Of Ecu

    See More:

    Toyota Tundra Service Manual > Front Axle Hub: On-vehicle Inspection
    ON-VEHICLE INSPECTION PROCEDURE 1. REMOVE FRONT WHEEL 2. DISCONNECT FRONT DISC BRAKE CALIPER ASSEMBLY LH 3. REMOVE FRONT DISC 4. REMOVE FRONT AXLE HUB GREASE CAP LH (for 4WD) 5. INSPECT FRONT AXLE HUB BEARING LOOSENESS (a) Using a dial indicator, measure the looseness near the center of the axle hub ...

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    Toyota Tundra Service Manual

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