Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: 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:

Correct driving posture
Drive in a good posture as follows: Sit upright and well back in the seat. Adjust the position of the seat forward or backward to ensure the pedals can be reached and easily depressed to the extent required. Adjust the seatback so that the controls are easily operable. Adjust the t ...

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE NO. 1 HEATER TO REGISTER DUCT (a) Remove the 2 screws <F> and screw <D>. (b) Disengage the 2 guides to remove the No. 1 heater to register duct. 2. REMOVE NO. 3 HEATER TO REGISTER DUCT ...

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL UN-LOCK WARNING SWITCH ASSEMBLY (w/o Smart Key System) (a) Engage the 2 claws to install the un-lock warning switch assembly to the upper steering column bracket assembly. 2. INSTALL IGNITION SWITCH LOCK CYLINDER ASSEMBLY (w/o Smart Key System) (a) T ...

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