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:

Cruise Control Input Processor (P160700)
DESCRIPTION The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning properly. If outputs from the CPUs are different and deviate from the standard, the ECM will illuminate the MIL and store the DTC. DTC No. Detection Item ...

Rear Speed Sensor RH Performance (C1411,C1412)
DESCRIPTION Refer to DTCs C1401 and C1402 (See page ). DTC Code DTC Detection Condition Trouble Area C1411 C1412 One of the following conditions is met: When the vehicle is driven in reverse at a speed of 3 km/h (2 ...

Short in Driver Side Squib 2nd Step Circuit (B1810/53-B1813/53)
DESCRIPTION The driver side squib 2nd step circuit consists of the airbag sensor assembly, the spiral cable with sensor sub-assembly and the horn button assembly. The circuit signals the SRS to deploy when airbag deployment conditions are met. These DTCs are set when a malfunction is detected i ...

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