Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: System Diagram

SYSTEM DIAGRAM

Communication Table Communication Table

Sender ECU

Receiver ECU

Signal

Line

*1: for Vacuum Brake Booster

*2: for Hydraulic Brake Booster

Forward Recognition Camera

Combination Meter Assembly

  • Lane departure alert indicator light signal
  • Lane marker signal
  • Forward Recognition Camera malfunction signal
  • LDA customization information
  • Break message and exertion level display
  • Lane departure alert buzzer signal
  • Lane departure alert main switch operation signal

CAN

ECM

Forward Recognition Camera

  • Shift position signal (P, R, N, D)
  • OBD information signal
  • Vehicle specification information (2WD/4WD information, conventional/hybrid information)
  • Accelerator opening angle percentage signal

CAN

  • Skid Control ECU (Brake Actuator Assembly)*1
  • Skid Control ECU (Master Cylinder Solenoid)*2
  • Wheel speed signal
  • Wheel speed sensor malfunction signal
  • Under VSC control
  • Under TRAC control
  • Airbag sensor assembly zero point signal
  • Airbag sensor assembly zero point error signal

CAN

Combination Meter Assembly

  • Turn signal light switch signal
  • Vehicle speed tolerance signal

CAN

Spiral Cable with Sensor Sub-assembly

  • Steering signal
  • Steering angle sensor malfunction signal

CAN

Yaw Rate and Acceleration Sensor (Airbag Sensor Assembly)

  • Yaw rate sensor signal
  • Yaw rate sensor voltage signal
  • Yaw rate sensor malfunction signal

CAN

Main Body ECU (Multiplex Network Body ECU)

  • Country specification information signal
  • Steering wheel information signal

CAN

System Description
SYSTEM DESCRIPTION LANE DEPARTURE ALERT SYSTEM DESCRIPTION (a) The lane departure alert system is a system which uses the forward recognition camera to recognize and determine the lane and the pos ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the lane departure alert system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT ...

Other materials:

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT CAMSHAFT TIMING GEAR BOLT (a) Remove the camshaft timing oil control solenoid assembly (See page ). (b) Check that the plunger strokes when the plunger in the center of the camshaft timing gear bolt is pressed. Standard stroke: 4 ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each sy ...

Replacement
REPLACEMENT PROCEDURE 1. REPLACE AUTOMATIC TRANSMISSION FLUID (a) Lift the vehicle. [*1] NOTICE: Set the vehicle on a lift so that the vehicle is kept level when it is lifted up (make sure that the tilt angle from the front to rear of the vehicle is within +/-1°). (b) Remove th ...

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