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:

If your vehicle needs to be towed
If towing is necessary, we recommend having your vehicle towed by your Toyota dealer or a commercial towing service, using a lift-type truck or a flat bed truck. Use a safety chain system for all towing, and abide by all state/provincial and local laws. The wheels and axle on the ground must b ...

Inspection
INSPECTION PROCEDURE 1. INSPECT OIL PUMP RELIEF VALVE (a) Coat the oil pump relief valve with engine oil and check that it falls smoothly into the valve hole by its own weight. If the valve does not fall smoothly, replace the timing chain cover assembly. ...

Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT SEAT INNER BELT ASSEMBLY LH (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard resistance: Tester Connection Condition Specified C ...

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