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:

Immobiliser System does not Operate Properly
DESCRIPTION The engine immobiliser system compares the ID code that is registered in the certification ECU (smart key ECU assembly) with the ID code of the transponder chip that is embedded in the electrical key transmitter sub-assembly. WIRING DIAGRAM (See page ). CAUTION / NOTICE / HINT ...

Neutral Position Switch Circuit
DESCRIPTION The ECM uses the neutral position switch installed to the manual transmission assembly to detect when the transmission is in the neutral position. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREAM (NEUTRAL SWITCH) (a) Connect the Techstream ...

Noise Occurs or Sound Skips when Portable Player Plays
CAUTION / NOTICE / HINT HINT: Perform this check with the portable player volume set at an appropriate level. Make sure that there are no obstructions between the portable player and navigation receiver assembly that may block signals, and that the portable player and navig ...