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:

IG Signal Circuit
DESCRIPTION This circuit detects whether the ignition switch is ON or off, and sends this information to the main body ECU (multiplex network body ECU). WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the fol ...

Center Differential Lock Position Switch (C1282)
DESCRIPTION DTC C1282 is stored only in test mode. DTC Code DTC Detection Condition Trouble Area C1282 Stored during test mode. Harness or connector Transfer system Skid control ECU (master cylinder sole ...

Manual Shifting Test
MANUAL SHIFTING TEST 1. PERFORM MANUAL SHIFTING TEST HINT: Using this test, it can be determined whether a problem is in an electrical circuit or if it is a mechanical problem in the transmission. If any abnormalities are found in the following test, the problem is in the tran ...