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:

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE SHIFT LOCK RELEASE BUTTON COVER (a) Using a screwdriver with its tip wrapped in protective tape, detach the 2 claws to remove the shift lock release button cover from the console upper panel sub-assembly. Text in Illustration *a Protect ...

Removal
REMOVAL PROCEDURE 1. REMOVE FRONT FENDER SEAL RH HINT: Use the same procedure as for the LH side (See page ). 2. REMOVE V-BANK COVER SUB-ASSEMBLY 3. REMOVE AIR CLEANER CAP AND HOSE 4. REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE (a) Remove the engine oil level dipstick. (b) Di ...

System Description
SYSTEM DESCRIPTION 1. GENERAL (a) The blind spot monitor system has the blind spot monitor function and rear cross traffic alert function. (1) Blind spot monitor function The blind spot monitor function is a function that assists the driver in making the decision to change lanes. Th ...