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:

Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for both the RH and LH sides. The procedure described below is for the LH side. PROCEDURE 1. INSTALL CURTAIN SHIELD AIRBAG ASSEMBLY (a) Insert the 6 hooks, install 7 new bolts, 2 new clips (A) with pins and 2 ...

Room Temperature Sensor Circuit (B1411/11)
DESCRIPTION The cooler thermistor (room temperature sensor) is installed in the instrument panel to detect the cabin temperature which is used to control the air conditioning system AUTO mode. The resistance of the cooler thermistor (room temperature sensor) changes in accordance with the cab ...

Blind Spot Monitor Sensor Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Blind Spot Monitor Sensor Communication Stop Mode Either Condition is met: Communication stop for "Blind Spot Monitor Master" is indicated on the "Communic ...