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:

Air Mix Damper Position Sensor Circuit (Driver Side) (B1436/36)
DESCRIPTION This sensor detects the position of the air mix damper (for driver side) and sends the appropriate signals to the air conditioning amplifier assembly. The position sensor is built into the No. 3 air conditioning radiator damper servo sub-assembly (for driver side air mix). ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the power window control system. PROCEDURE 1. VEHICLE BROUGHT TO WORK SHOP NEXT 2. CUSTOMER ...

Inspection
INSPECTION PROCEDURE 1. INSPECT TIE ROD END SUB-ASSEMBLY (a) Flip the ball joint stud back and forth 5 times as shown in the illustration before installing the nut. (b) Using a torque wrench, turn the nut continuously at a rate of 2 to 4 seconds per turn and check the torque reading on the ...

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