Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: System Diagram

SYSTEM DIAGRAM

Transmitting ECU (Transmitter)

Receiving ECU

Signal

Communication Method

Skid control ECU (Brake actuator assembly)

Steering angle sensor (Spiral cable with sensor sub-assembly)

Steering angle sensor request signal

CAN communication system

Steering angle sensor (Spiral cable with sensor sub-assembly)

Skid control ECU (Brake actuator assembly)

Steering angle sensor signal

CAN communication system

Skid control ECU (Brake actuator assembly)

Yaw rate and acceleration sensor (Airbag sensor assembly)

Yaw rate and acceleration request signal

CAN communication system

Yaw rate and acceleration sensor (Airbag sensor assembly)

Skid control ECU (Brake actuator assembly)

Yaw rate and acceleration signal

CAN communication system

Skid control ECU (Brake actuator assembly)

ECM

  • Wheel speed signal
  • VSC data signal

CAN communication system

ECM

Skid control ECU (Brake actuator assembly)

  • Shift position signal
  • Throttle position signal
  • Engine speed signal
  • Intake air temperature signal
  • Engine torque request signal
  • Accelerator pedal position signal
  • Diagnosis (TC terminal) signal*4

CAN communication system

Skid control ECU (Brake actuator assembly)

Combination meter assembly

  • ABS warning light signal
  • Brake warning light signal
  • VSC OFF indicator light signal
  • Slip indicator light signal
  • TRAC OFF indicator light

CAN communication system

Wheel speed signal

Serial communication

4 wheel drive control ECU*3

Skid control ECU (Brake actuator assembly)

  • 4WD position signal*1
  • L4 position signal*1
  • Rear differential lock position signal*2

CAN communication system

  • *1: for 4WD
  • *2: w/ Rear Differential Lock
  • *3: for 4WD or with Rear Differential Lock
  • *4: w/o Toyota Safety Sense P
System Description
SYSTEM DESCRIPTION 1. FUNCTION DESCRIPTION (a) ABS (Anti-lock Brake System) (1) The ABS helps prevent the wheels from locking when the brakes are applied firmly or when braking on a slippery surf ...

Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS 1. CHECK FOR INTERMITTENT PROBLEMS HINT: A momentary interruption (open circuit) in the connectors and/or wire harnesses between the sensors and ECUs can be detect ...

Other materials:

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON. (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Engine / Trouble Codes. (e) Check for DTCs, and then write them down. (f) Check the details of the DTCs (See page ...

Pressure Control Solenoid "G" Actuator Stuck Off (P28077F)
SYSTEM DESCRIPTION The ECM uses the vehicle speed signal and signals from the transmission revolution sensors (NT, SP2) to detect the actual gear (1st, 2nd, 3rd, 4th, 5th or 6th gear). The ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical problems of t ...

Fuel information
Your vehicle must use only unleaded gasoline. Select octane rating 87 (Research Octane Number 91) or higher. Use of unleaded gasoline with an octane rating lower than 87 may result in engine knocking. Persistent knocking can lead to engine damage. At minimum, the gasoline you use should meet t ...

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