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

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

SYSTEM DIAGRAM

Transmitting ECU (Transmitter)	Receiving ECU	Signal	Communication Method
Skid control ECU (Brake actuator assembly)	Steering angle sensor (Spiral cable with sensor sub-assembly)	Steering angle sensor request signal	CAN communication system
Steering angle sensor (Spiral cable with sensor sub-assembly)	Skid control ECU (Brake actuator assembly)	Steering angle sensor signal	CAN communication system
Skid control ECU (Brake actuator assembly)	Yaw rate and acceleration sensor (Airbag sensor assembly)	Yaw rate and acceleration request signal	CAN communication system
Yaw rate and acceleration sensor (Airbag sensor assembly)	Skid control ECU (Brake actuator assembly)	Yaw rate and acceleration signal	CAN communication system
Skid control ECU (Brake actuator assembly)	ECM	Wheel speed signal VSC data signal	CAN communication system
ECM	Skid control ECU (Brake actuator assembly)	Shift position signal Throttle position signal Engine speed signal Intake air temperature signal Engine torque request signal Accelerator pedal position signal Diagnosis (TC terminal) signal*4	CAN communication system
Skid control ECU (Brake actuator assembly)	Combination meter assembly	ABS warning light signal Brake warning light signal VSC OFF indicator light signal Slip indicator light signal TRAC OFF indicator light	CAN communication system
Skid control ECU (Brake actuator assembly)	Combination meter assembly	Wheel speed signal	Serial communication
4 wheel drive control ECU*3	Skid control ECU (Brake actuator assembly)	4WD position signal1 L4 position signal1 Rear differential lock position signal*2	CAN communication system

*1: for 4WD
*2: w/ Rear Differential Lock
*3: for 4WD or with Rear Differential Lock
*4: w/o Toyota Safety Sense P

System Description

SYSTEM DESCRIPTION 1. FUNCTION DESCRIPTION (a) ABS (Anti-lock Brake System) (1) The ABS helps prevent the wheels from locking when the brakes are applied firmly or when braking on a slippery surf ...

Check For Intermittent Problems

CHECK FOR INTERMITTENT PROBLEMS 1. CHECK FOR INTERMITTENT PROBLEMS HINT: A momentary interruption (open circuit) in the connectors and/or wire harnesses between the sensors and ECUs can be detect ...

Other materials:

Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. Click here IGNITION SWITCH EXPRESSIONS (a) The type of ignition switch ...

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 symptom by check ...

Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid (B279986)
DESCRIPTION When there are communication malfunctions between the ECM and certification ECU (smart key ECU assembly), or when the communication ID codes do not match, the ECM stores this DTC. DTC Code DTC Detection Condition Trouble Area DTC Output C ...