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:

Purge Valve
Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT PURGE VSV (a) Measure the resistance according to the value(s) in the table below. Text in Illustration *a Component without harness connected (Purge VSV ...

Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Perform "Inspection After Repairs" after replacing the fuel pump assembly (See page ). PROCEDURE 1. SET FUEL PUMP ASSEMBLY HINT: Perform "Inspection After Repairs" after replacing the fuel pump assembly (See page ). ...

Inspection
INSPECTION PROCEDURE 1. INSPECT PROPELLER SHAFT WITH CENTER BEARING ASSEMBLY (a) Using a dial indicator, check the propeller shaft with center bearing assembly runout. Maximum runout: 0.6 mm (0.0236 in.) If the propeller shaft with center bearing assembly runout is greater than the maxi ...

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