Toyota Tacoma (2015-2018) Service Manual: System Diagram

Toyota Tacoma (2015-2018) Service Manual / Brake Control / Dynamic Control Systems / Vehicle Stability Control System(for Hydraulic Brake Booster) / System Diagram

SYSTEM DIAGRAM

Transmitting ECU (Transmitter)	Receiving ECU	Signals	Communication Method
ECM	Skid control ECU	Throttle position signal Engine speed signal Accelerator pedal position signal Intake air temperature signal Ambient air temperature signal Engine coolant temperature signal Vehicle information	CAN communication system
Yaw rate and acceleration sensor (Airbag sensor assembly)	Skid control ECU	Yaw rate and acceleration signal	CAN communication system
Steering angle sensor (spiral cable with sensor sub-assembly)	Skid control ECU	Steering angle signal	CAN communication system
Skid control ECU	ECM	Throttle opening angle request signal	CAN communication system
Skid control ECU	Combination meter assembly	Warning/indicator light signal Vehicle speed signal Warning buzzer request signal	CAN communication system
4 wheel drive control ECU (for 4WD or w/ Rear Differential Lock)	Skid control ECU	4WD position signal (for 4WD) L4 position signal (for 4WD) Rear differential lock position signal (for w/ Rear Differential Lock)	CAN communication system

System Description

SYSTEM DESCRIPTION 1. SYSTEM DESCRIPTION HINT: The skid control ECU is built into the hydraulic brake booster. (a) ABS (Anti-lock Brake System) The ABS helps prevent the wheels from locking when ...

Check For Intermittent Problems

CHECK FOR INTERMITTENT PROBLEMS 1. DESCRIPTION HINT: A momentary interruption (open circuit) in the connectors and/or wire harness between the sensors and ECUs can be detected through the ECU dat ...

Other materials:

Installation
INSTALLATION PROCEDURE 1. INSTALL SPIRAL CABLE SUB-ASSEMBLY WITH SENSOR (a) Check that the ignition switch is OFF. (b) Check that the battery negative (-) terminal is disconnected. CAUTION: Wait at least 90 seconds after disconnecting t ...

Operation Check
OPERATION CHECK 1. MALFUNCTION DISPLAY (MULTI-INFORMATION DISPLAY) (a) Open circuit indication (1) If there is an open circuit between a No. 1 ultrasonic sensor and the clearance warning ECU assembly or a sensor is malfunctioning, the malfunction is displayed as shown in the illustration. ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each sy ...