Toyota Tacoma (2015-2018) Service Manual: System Diagram

Toyota Tacoma (2015-2018) Service Manual / Vf2cm Transfer / Touch Select 2-4 And High-low System / 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:

Precaution
PRECAUTION 1. INITIALIZATION NOTICE: If the ECM is replaced, register the ECU communication ID for Engine Immobiliser System (See page ). Perform Registration (VIN registration) when replacing the ECM (See page ). HINT: The engine learned value cannot be rese ...

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedures for both the LH and RH sides. The procedure described below is for the LH side. PROCEDURE 1. REMOVE FRONT DOOR LOWER FRAME BRACKET GARNISH 2. REMOVE FRONT DOOR INSIDE HANDLE BEZEL PLUG 3. REMOVE FRONT ...

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the LH side and RH side. The following procedure listed is for the LH side. PROCEDURE 1. REMOVE FRONT WHEEL 2. DRAIN BRAKE FLUID NOTICE: Immediately wash off any brake fluid that comes into contact with any pa ...