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

Toyota Tacoma (2015-2018) Service Manual / Pre-collision / Pre-collision System / System Diagram

SYSTEM DIAGRAM

Communication Table

Sender	Receiver	Signal	Line
Millimeter Wave Radar Sensor Assembly	Forward Recognition Camera	Pre-collision alarm signal Pre-collision braking operation signal	CAN
	Skid Control ECU (Master Cylinder Solenoid)1 or Skid Control ECU (Brake Actuator Assembly)2	Brake assist standby signal Pre-collision braking operation signal
	ECM	Throttle valve close signal
	Combination Meter Assembly	Pre-collision system malfunction signal Pre-collision system warning distance signal Warning signal Pre-collision system cancel signal
Forward Recognition Camera	Millimeter Wave Radar Sensor Assembly	Front obstacle recognition signal Distance signal
Skid Control ECU (Master Cylinder Solenoid)1 or Skid Control ECU (Brake Actuator Assembly)2	Millimeter Wave Radar Sensor Assembly	Vehicle speed signal Stop light switch signal Pre-collision brake control signal Vehicle stability control system operation signal Vehicle stability control system malfunction signal VSC OFF indicator light signal Vehicle yaw rate sensor signal
	Forward Recognition Camera	Vehicle speed signal Vehicle yaw rate sensor signal
	Combination Meter Assembly	Vehicle speed signal
Yaw Rate Sensor (Airbag Sensor Assembly)	Millimeter Wave Radar Sensor Assembly	Vehicle yaw rate sensor signal
Yaw Rate Sensor (Airbag Sensor Assembly)	Forward Recognition Camera	Vehicle yaw rate sensor signal
Main Body ECU (Multiplex Network Body ECU)	Millimeter Wave Radar Sensor Assembly	Vehicle specification information (destination)
Main Body ECU (Multiplex Network Body ECU)	Forward Recognition Camera	Vehicle specification information (destination)
Steering Angle Sensor (Spiral Cable with Sensor Sub-assembly)	Millimeter Wave Radar Sensor Assembly	Steering angle sensor signal Steering angle sensor malfunction signal
	Forward Recognition Camera
ECM	Millimeter Wave Radar Sensor Assembly	Shift position signal Engine type information signal Accelerator opening angle percentage signal

*1: for Hydraulic Brake Booster
*2: for Vacuum Brake Booster

System Description

SYSTEM DESCRIPTION PRE-COLLISION SYSTEM DESCRIPTION (a) The pre-collision system uses the pre-collision warning control, pre-collision brake assist control and pre-collision braking control to hel ...

Customize Parameters

CUSTOMIZE PARAMETERS NOTICE: When the customer requests a change in a function, first make sure that the function can be customized. Make a note of the current settings before custom ...

Other materials:

Accumulator Low Pressure (C1452)
DESCRIPTION DTC Code DTC Detection Condition Trouble Area C1452 After braking, the fluid pressure inside the accumulator is below the threshold within 3.2 seconds. Hydraulic circuit Accumulator pressure sen ...

Lost Communication with Vehicle Dynamics Control Module Missing Message (U012287)
DESCRIPTION The ECM receives signals from the skid control ECU (brake actuator assembly) via CAN communication. DTC No. DTC Detection Condition Trouble Area MIL Note U012287 While cruise control main switch ON, co ...

Inspection
INSPECTION PROCEDURE 1. INSPECT BRAKE DRUM INSIDE DIAMETER (a) Using a brake drum gauge or equivalent, measure the inside diameter of the drum. Standard inside diameter: 254 mm (10.00 in.) Maximum inside diameter: 256 mm (10.08 in.) If the inside diameter is greater than the maximum, r ...