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:

FCM Destination Information Unmatched (C1AA1)
DESCRIPTION When the forward recognition camera is replaced with a new one, the new forward recognition camera attempts to store country specification information received from the main body ECU (multiplex network body ECU) and ECM. If the country specification information stored in the forwa ...

Removal
REMOVAL PROCEDURE 1. REMOVE FRONT CONSOLE BOX (See page ) 2. DISCONNECT TRANSMISSION CONTROL CABLE ASSEMBLY 3. REMOVE TRANSMISSION CONTROL CABLE ASSEMBLY (a) Remove the nut and clip and disconnect the transmission control cable assembly from the automatic transmission assem ...

Radio Broadcast cannot be Received or Poor Reception
PROCEDURE 1. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY (a) Check the radio automatic station search function. (1) Check the radio automatic station search function by activating it. Result Result Proceed to Automatic station ...