Toyota Tacoma 2015-2018 Service Manual: System Diagram

Toyota Tacoma 2015-2018 Service Manual / Cruise Control / Dynamic Radar Cruise Control System(for 2tr-fe) / System Diagram

SYSTEM DIAGRAM

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:

Low Power Supply Voltage Malfunction (C1241)
DESCRIPTION If there is a problem with the skid control ECU (master cylinder solenoid) power supply circuit, the skid control ECU outputs the DTC and prohibits operation under the fail-safe function. If the voltage supplied to terminal IG1 is not within the DTC detection threshold due to mal ...

Front Airbag Sensor RH Circuit Malfunction (B1610/13)
DESCRIPTION The front airbag sensor RH consists of parts such as the diagnostic circuit and the frontal detection sensor. When the airbag sensor assembly receives signals from the frontal deceleration sensor, it determines whether or not the SRS should be activated. DTC B1610/13 is set when a ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals ...