Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: System Diagram

SYSTEM DIAGRAM

Transmitting ECU (Transmitter)

Receiving ECU

Signal

Communication Method

4 wheel drive control ECU

Skid control ECU (Brake actuator assembly)

  • High-Low actuator fail
  • 4WD status signal
  • L4 status signal

CAN communication system

Skid control ECU (Brake actuator assembly)

4 wheel drive control ECU

  • Wheel speed sensor error signal
  • Wheel speed signal
  • Vehicle speed signal
  • Vehicle speed status flag

CAN communication system

4 wheel drive control ECU

ECM

  • Cruise control cancel request signal
  • 4WD status signal

CAN communication system

ECM

4 wheel drive control ECU

  • Shift position N signal
  • Neutral position switch error flag

CAN communication system

4 wheel drive control ECU

Combination meter assembly

  • 4LO indicator light signal
  • Multi-information display (4WD malfunction and front differential oil temperature warning related messages) signals
  • Warning buzzer signal

CAN communication system

System Description
SYSTEM DESCRIPTION 1. DESCRIPTION A part-time 2-speed VF2CM transfer uses a touch select 2-4 and high-low system, enabling the driver to switch between 2WD, H4 and L4 modes by turning ...

Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION The 4 wheel drive control ECU records DTCs when the ECU detects a malfunction in the ECU itself or in system circuits. The DTCs can be read through the DLC3 of the ...

Other materials:

Cargo Light
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE ROOF HEADLINING ASSEMBLY for Double Cab: (See page ) for Access Cab: (See page ) 2. REMOVE CARGO LIGHT ASSEMBLY (CENTER STOP LIGHT ASSEMBLY) (a) Remove the 2 nuts. ...

Remote Control System does not Operate
DESCRIPTION The main body ECU (multiplex network body ECU) receives remote control signals from the driver door key cylinder or wireless transmitter. Then, the main body ECU (multiplex network body ECU) sends the remote control signals to the sliding roof ECU (sliding roof drive gear sub-asse ...

Open in Pump Motor Circuit (C1251)
DESCRIPTION The motor relay (semiconductor relay) is built into the master cylinder solenoid and drives the pump motor based on a signal from the skid control ECU (master cylinder solenoid). DTC No. DTC Detecting Condition Trouble Areas C1251 ...

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