Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: System Diagram

SYSTEM DIAGRAM

Communication Table Communication Table

Sender

Receiver

Signal

Line

ECM

Millimeter Wave Radar Sensor Assembly

  • Cruise control operation signal
  • Accelerator pedal idle position signal
  • Accel override operation signal
  • Cruise control speed status signal
  • Approach warning signal
  • Brake signal
  • Cruise control main switch (ON-OFF button) on signal
  • Cruise control mode signal
  • Set vehicle-to-vehicle distance signal
  • Cruise preset vehicle speed signal

CAN

ECM

Skid Control ECU (Brake Actuator Assembly)

  • Cruise control operation signal
  • Accelerator pedal idle position signal
  • Cruise control operation request signal
  • Braking request signal
  • Target acceleration from cruise control system signal

CAN

ECM

Combination Meter Assembly

  • Low speed cancel buzzer request signal
  • Control vehicle speed unit signal
  • Cruise control display ID signal
  • Cruise control vehicle speed signal

CAN

ECM

Forward Recognition Camera

Cruise control operation signal

CAN

Millimeter Wave Radar Sensor Assembly

ECM

  • Cruise control target acceleration signal
  • Cruise control mode signal
  • Target vehicle detection signal
  • Vehicle-to-vehicle distance control switch status signal
  • Detection of dirt adhesion on millimeter wave radar sensor signal
  • Millimeter wave radar sensor malfunction signal
  • Approach warning signal
  • Bad environment detection signal
  • Cruise control target acceleration raw data signal
  • Force request for millimeter wave radar sensor assembly signal
  • Control status of millimeter wave radar sensor assembly signal

CAN

Millimeter Wave Radar Sensor Assembly

Combination Meter Assembly

Millimeter wave radar sensor beam axis deviation signal

CAN

Skid Control ECU (Brake Actuator Assembly)

Millimeter Wave Radar Sensor Assembly

  • Stop light switch status signal
  • Yaw rate sensor zero point signal
  • Yaw rate sensor zero point malfunction signal
  • Under brake control signal

CAN

Skid Control ECU (Brake Actuator Assembly)

ECM

  • Wheel speed signal
  • Under TRAC control signal
  • Under VSC control signal
  • Cruise control cancellation request signal
  • Stop light switch control relay malfunction signal
  • Temporary inhibition of brake control signal
  • Under brake control signal
  • Presumed road slope signal
  • Estimated acceleration signal

CAN

Steering Angle Sensor (Spiral Cable with Sensor Sub-assembly)

Millimeter Wave Radar Sensor Assembly

  • Steering angle sensor malfunction signal
  • Steering angle signal
  • Steering angle sensor zero point signal

CAN

Main Body ECU (Multiplex Network Body ECU)

Millimeter Wave Radar Sensor Assembly

Destination information signal

CAN

Yaw Rate and Acceleration Sensor (Airbag Sensor Assembly)

Millimeter Wave Radar Sensor Assembly

  • Yaw rate sensor signal
  • Yaw rate sensor malfunction signal
  • Yaw rate sensor voltage signal

CAN

Precaution
PRECAUTION IGNITION SWITCH EXPRESSIONS (a) The type of ignition switch used on this model differs according to the specifications of the vehicle. The expressions listed in the table below are used ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Perform the following procedure to troubleshoot the dynamic radar cruise control system. *: Use the Techstream. PROCEDURE 1. ...

Other materials:

Clutch Switch Circuit
DESCRIPTION While depressing the clutch pedal, the clutch start switch assembly sends a signal to terminal MTN of the 4 wheel drive control ECU. While the signal is input, switching between H4 and L4 is possible. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREA ...

Inspection
INSPECTION PROCEDURE 1. INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY (a) Check that there is ventilation from the booster to the engine, and no ventilation from the engine to the booster. If the results are not as specified, replace the vacuum check valve. ...

What to do if...
■ Instrument cluster ■ Center panel ■Warning lights *1: Slip indicator comes on. *2: The indicator flashes to indicate a malfunction. GAS STATION INFORMATION ...

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