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:

Multi-terrain Select Switch
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE MULTI-TERRAIN SELECT SWITCH (DRIVE MONITOR SWITCH) (a) Disengage the 2 claws to remove the multi-terrain select switch (drive monitor switch). Inspection ...

Customize Parameters
CUSTOMIZE PARAMETERS 1. CUSTOMIZING FUNCTION WITH TECHSTREAM NOTICE: When the customer requests a change in a function, first make sure that the function can be customized. Be sure to make a note of the current settings before customizing. When troubleshooting a function, f ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals ...

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