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:

Front Camera Module Circuit (C1AA0)
DESCRIPTION The millimeter wave radar sensor assembly receives information about the area in front of the vehicle from the forward recognition camera. If the millimeter wave radar sensor assembly detects a malfunction in the forward recognition camera, it will store DTC C1AA0. DTC ...

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side) (a) Connect the Techstream to the DLC3. (b) Start the engine. (c) Turn the Techstream on. (d) Enter the following menus: Powertrain / Engine / Active Test / Control the Intake VVT OCV D ...

Driving the vehicle
The following procedures should be observed to ensure safe driving. ■ Starting the engine ■ Driving Automatic transmission With the brake pedal depressed, shift the shift lever to D. Release the parking brake. Gradually release the brake pedal and gently depress the acceler ...