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

Toyota Tacoma (2015-2018) Service Manual / Differential / Differential System(w/ Rear Differential Lock) / System Diagram

SYSTEM DIAGRAM

Transmitting ECU (Transmitter)	Receiving ECU	Signal	Communication Method
4 wheel drive control ECU	Skid control ECU (Brake actuator assembly)	Rear differential lock status signal 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	Combination meter assembly	Rear differential lock indicator light signal Buzzer signal	CAN communication system

*: for 4WD

Precaution

PRECAUTION 1. IGNITION SWITCH EXPRESSION (a) The type of ignition switch used on this model differs depending on the specifications of the vehicle. The expressions listed in the table below are us ...

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure listed to troubleshoot the differential system (w/ Differential Lock). *: Use the Techstream. PROCEDURE 1 ...

Other materials:

Diagnosis System
DIAGNOSIS SYSTEM 1. CHECK DLC3 (a) Check the DLC3 (See page ). 2. INSPECT BATTERY VOLTAGE (a) Measure the battery voltage. Standard Voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the battery. 3. SELF-DIAGNOSTIC MODE (OPERATING IGNITION KEY CYLINDER) (a) Switch to se ...

Glossary Of Sae And Toyota Terms
GLOSSARY OF SAE AND TOYOTA TERMS This glossary lists all SAE-J1930 terms and abbreviations used in this manual in compliance with SAE recommendations, as well as their TOYOTA equivalents. SAE ABBREVIATIONS SAE TERMS TOYOTA TERMS ( )-ABBREVIATIONS ...

Rear Door(for Access Cab)
Adjustment ADJUSTMENT CAUTION / NOTICE / HINT HINT: Use the same procedures for both the LH and RH sides. The procedure described below is for the LH side. Centering bolts are used to mount the door hinge to the vehicle body and door. The door cannot be adjusted with the ce ...