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:

Motor Power Supply Voltage Circuit (C142B-C146D)
DESCRIPTION The motor relay and motor fail-safe relay are built into the brake actuator assembly. During ABS, TRAC, VSC, or brake assist operation, the skid control ECU (brake actuator assembly) turns on the motor relay to run the pump motor in the brake actuator assembly. When a motor system ...

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for both the RH and LH sides. The procedure described below is for the LH side. PROCEDURE 1. PRECAUTION CAUTION: Be sure to read Precaution thoroughly before servicing (See page ). NOTICE: After turning the ign ...

Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for both the LH and RH sides. The procedure described below is for the LH side. PROCEDURE 1. INSTALL FOG LAMP ASSEMBLY (a) Engage the 2 guides to install the fog light assembly. (b) Install the screw. (c) Con ...

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