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:

Inspection
INSPECTION PROCEDURE 1. INSPECT PROPELLER SHAFT WITH CENTER BEARING ASSEMBLY (a) Using a dial indicator, check the propeller shaft runout. Maximum runout: 0.6 mm (0.0236 in.) If the shaft runout is greater than the maximum, replace the shaft. 2. INSPECT PROPELLER SHAFT (a) Using a dial ...

Components
COMPONENTS ILLUSTRATION *A w/o Navigation System *B w/ Navigation System *C for Double Cab *D for Acces Cab *E for 4WD - - *1 ...

Parking Brake Cable
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. DISCONNECT NO. 2 PARKING BRAKE SHOE ASSEMBLY WITH PARKING BRAKE SHOE LEVER (See page ) 2. REMOVE VOLTAGE INVERTER ASSEMBLY (See page ) 3. REMOVE NO. 2 PARKING BRAKE CABLE ASSEMBLY (a) Loosen the adjusting n ...