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:

Inspection
INSPECTION PROCEDURE 1. INSPECT CYLINDER BLOCK FOR WARPAGE (a) Using a precision straightedge and feeler gauge, measure the warpage of the contact surface of the cylinder head gasket. Standard warpage: 0 to 0.05 mm (0 to 0.00197 in.) Maximum warpage: 0.07 mm (0.00276 ...

Listening to Bluetooth® audio
The Bluetooth® audio system enables the user to enjoy music played on a portable player from the vehicle speakers via wireless communication. Select “ Audio” on the “Select Audio Source” screen. When a Bluetooth® device cannot be connected, check the connection status on the “Bluet ...

Customize Parameters
CUSTOMIZE PARAMETERS 1. CUSTOMIZE METER / GAUGE SYSTEM (a) Customizing with the Techstream (1) Connect the Techstream to the DLC3. (2) Turn the ignition switch to ON. (3) Turn the Techstream on. (4) Enter the following menus: Customize Setting / Warning or Display. (5) Select the setting by r ...

© 2011-2026 Copyright www.ttguide.net