Toyota 4Runner: System Diagram

Toyota 4Runner Service Manual / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System(for Hydraulic Brake Booster) / System Diagram

SYSTEM DIAGRAM

Communication Table

Sender	Receiver	Signal	Line
ECM	Skid control ECU	Engine speed signal Accelerator pedal position signal Intake air temperature signal Shift position signal TC terminal status	CAN communication
Skid control ECU	ECM	Yaw rate and acceleration signal VSC data signal Wheel speed signal	CAN communication
Skid control ECU	Combination Meter Assembly	Warning/indicator light signal Vehicle speed signal Meter Buzzer signal	CAN communication
Four wheel drive control ECU	Skid control ECU	4WD status signal L4 status signal	CAN communication
Steering Angle Sensor (Spiral Cable Sub-assembly)	Skid control ECU	Steering angle signal	CAN communication

Parts Location

PARTS LOCATION ILLUSTRATION ILLUSTRATION ...

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 ...

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Transfer Indicator Switch
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Inspection
INSPECTION PROCEDURE 1. INSPECT BRAKE BOOSTER PUMP ASSEMBLY (a) Apply battery voltage to the brake booster pump cables, and check the operation of the pump motor. OK:: Measurement Condition Specified C ...