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:

Initialization not Completed (C2177/77)
DESCRIPTION Initialization is necessary if one of the following occurs: The tire pressure warning ECU and receiver is replaced. A tire pressure warning valve and transmitter is replaced. Tires with different standard tire pressures are installed. The tires are rotated. A new ...

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE CONNECTOR COVER (a) Disengage the 2 clips to remove the connector cover. 2. REMOVE REAR BUMPER PAD SUB-ASSEMBLY (a) Separate the 2 license plate light assemblies as shown in the illustration. ...

Installation
INSTALLATION PROCEDURE 1. INSTALL REAR DOOR GLASS SUB-ASSEMBLY (a) Clean and shape the contact surface of the vehicle body. Text in Illustration *a Adhesive *b Vehicle Body (1) Using a ...

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