Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: System Diagram

SYSTEM DIAGRAM

Transmitting ECU (Transmitter)

Receiving ECU

Signals

Communication Method

ECM

Skid control ECU

  • Throttle position signal
  • Engine speed signal
  • Accelerator pedal position signal
  • Intake air temperature signal
  • Ambient air temperature signal
  • Engine coolant temperature signal
  • Vehicle information

CAN communication system

Yaw rate and acceleration sensor (Airbag sensor assembly)

Skid control ECU

Yaw rate and acceleration signal

CAN communication system

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

Skid control ECU

Steering angle signal

CAN communication system

Skid control ECU

ECM

Throttle opening angle request signal

CAN communication system

Skid control ECU

Combination meter assembly

  • Warning/indicator light signal
  • Vehicle speed signal
  • Warning buzzer request signal

CAN communication system

4 wheel drive control ECU (for 4WD or w/ Rear Differential Lock)

Skid control ECU

  • 4WD position signal (for 4WD)
  • L4 position signal (for 4WD)
  • Rear differential lock position signal (for w/ Rear Differential Lock)

CAN communication system

System Description
SYSTEM DESCRIPTION 1. SYSTEM DESCRIPTION HINT: The skid control ECU is built into the hydraulic brake booster. (a) ABS (Anti-lock Brake System) The ABS helps prevent the wheels from locking when ...

Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS 1. DESCRIPTION HINT: A momentary interruption (open circuit) in the connectors and/or wire harness between the sensors and ECUs can be detected through the ECU dat ...

Other materials:

GPS Mark is not Displayed
PROCEDURE 1. CHECK CABIN (a) Check the cabin for any object that might interrupt radio reception or additional devices which use radio waves on the instrument panel. If such an object exists, remove it and check if the GPS mark reappears. HINT: The GPS uses ex ...

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 ...

Blind Spot Monitor Master Module Beam Axis Inspection Incomplete (C1ABB)
DESCRIPTION This DTC is stored when a beam axis inspection has not been performed for the blind spot monitor sensor LH. HINT: This DTC is always stored after replacing a blind spot monitor sensor. The purpose of this DTC is to ensure that beam axis inspection is performed. Completing the be ...

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