Electronic Power Steering System System Diagram

Steering. Lexus Gs430, Gs300. Uzs190 Grs190
Power Steering. Lexus Gs430, Gs300. Uzs190 Grs190

Electronic Power Steering System -- System Diagram



Lexus Gs430, Gs300. Uzs190 Grs190.Power Steering.Power Steering System.Electronic Power Steering System  System Diagram


Lexus Gs430, Gs300. Uzs190 Grs190.Power Steering.Power Steering System.Electronic Power Steering System  System Diagram


Transmitting ECU
(transmitter)
Receiving ECU
Signals
Communication method
ECM
Power Steering ECU Assembly
T/M variation information signal
CAN
ECM
Power Steering ECU Assembly
Engine speed signal
CAN
ECM
Power Steering ECU Assembly
Ambient temperature signal
CAN
ECM
Power Steering ECU Assembly
Intake air temperature signal
CAN
ECM
Power Steering ECU Assembly
Engine variation information signal
CAN
ECM
Power Steering ECU Assembly
Vehicle destination information signal
CAN
Skid Control ECU
Power Steering ECU Assembly
Output command value (to EPS) signal
CAN
Skid Control ECU
Power Steering ECU Assembly
Additional torque target signal
CAN
Skid Control ECU
Power Steering ECU Assembly
Vehicle speed (SP1) status signal
CAN
Skid Control ECU
Power Steering ECU Assembly
Target steering angle and additional torque valid signal
CAN
Skid Control ECU
Power Steering ECU Assembly
Vehicle speed (SP1) signal
CAN
Skid Control ECU
Power Steering ECU Assembly
Test mode signal
CAN
Skid Control ECU
Power Steering ECU Assembly
VSC controlling signal
CAN
Skid Control ECU
Power Steering ECU Assembly
ABS controlling signal
CAN
Steering Angle Sensor
Power Steering ECU Assembly
Data continuity (valid/invalid) signal
CAN
Steering Angle Sensor
Power Steering ECU Assembly
+B open circuit signal
CAN
Steering Angle Sensor
Power Steering ECU Assembly
Sensor malfunction signal
CAN
Steering Angle Sensor
Power Steering ECU Assembly
Steering angle signal
CAN
Steering Angle Sensor
Power Steering ECU Assembly
Zero point memory (in sensor) valid/invalid signal
CAN
Steering Angle Sensor
Power Steering ECU Assembly
Zero point (stored in steering angle sensor) signal
CAN
Cowl Side J/B RH ECU
(Body ECU)
Power Steering ECU Assembly
Vehicle model signal
BEAN, CAN
Power Steering ECU Assembly
Skid Control ECU
EPS pinion angle invalid signal
CAN
Power Steering ECU Assembly
Skid Control ECU
EPS assisting current invalid signal
CAN
Power Steering ECU Assembly
Skid Control ECU
EPS torque sensor value invalid signal
CAN
Power Steering ECU Assembly
ECM
EPS idle up request signal
CAN
Power Steering ECU Assembly
Skid Control ECU
EPS torque sensor value signal
CAN
Power Steering ECU Assembly
Skid Control ECU
EPS pinion angle signal
CAN
Power Steering ECU Assembly
Skid Control ECU
EPS assisting current signal
CAN
Power Steering ECU Assembly
Combination Meter
EPS light ON request signal
BEAN, CAN
Power Steering ECU Assembly
Combination Meter
EPS diagnostic information signal
BEAN, CAN

3UZ-FE:
Transmitting ECU
(transmitter)
Receiving ECU
Signals
Communication method
Absorber Control ECU
Power Steering ECU Assembly
Damping force control mode signal (normal mode or sports mode)
CAN
Skid Control ECU
Power Steering ECU Assembly
Target steering angle signal
CAN
Skid Control ECU
Power Steering ECU Assembly
VDIM control permit status signal
CAN
Skid Control ECU
Power Steering ECU Assembly
Target relative angle 2 signal
CAN
Skid Control ECU
Power Steering ECU Assembly
Target momentary gear ratio signal
CAN
Skid Control ECU
Power Steering ECU Assembly
Automatic reverse steering controlling signal
CAN
Skid Control ECU
Power Steering ECU Assembly
Reverse steering controlling signal (*1)
CAN
Skid Control ECU
Power Steering ECU Assembly
Momentary gear ratio controlling signal
CAN
Skid Control ECU
Power Steering ECU Assembly
Braking force moment signal
CAN
Steering Control ECU
Power Steering ECU Assembly
VGRS fail signal
CAN
Steering Control ECU
Power Steering ECU Assembly
VGRS cooperative control permit signal
CAN
Steering Control ECU
Power Steering ECU Assembly
VGRS data output response signal
CAN
Steering Control ECU
Power Steering ECU Assembly
VGRS relative angle signal
CAN
Steering Control ECU
Power Steering ECU Assembly
VGRS relative angular velocity signal
CAN
Steering Control ECU
Power Steering ECU Assembly
VGRS relative angle invalid signal
CAN
Steering Control ECU
Power Steering ECU Assembly
VGRS target turning angle sensor signal
CAN
Steering Control ECU
Power Steering ECU Assembly
VGRS communication distinction information signal
CAN
Steering Control ECU
Power Steering ECU Assembly
VGRS warning light signal
CAN
Power Steering ECU Assembly
Skid control ECU
Steering Control ECU
EPS cooperative control permit signal
CAN
Power Steering ECU Assembly
Skid control ECU
VGRS detection signal
CAN
Power Steering ECU Assembly
ECM
VGRS detection signal
CAN
Power Steering ECU Assembly
Skid control ECU
Absorber Control ECU
EPS pinion angle invalid signal
CAN
Power Steering ECU Assembly
Skid control ECU
Absorber Control ECU
EPS assisting current invalid signal
CAN
Power Steering ECU Assembly
Skid control ECU
Absorber Control ECU
EPS torque sensor value invalid signal
CAN
Power Steering ECU Assembly
Skid control ECU
Absorber Control ECU
EPS torque sensor signal
CAN
Power Steering ECU Assembly
Skid control ECU
Absorber Control ECU
EPS pinion angle signal
CAN
Power Steering ECU Assembly
Steering Control ECU
EPS assisting current signal
CAN
*1: Transmitted when the vehicle detects different levels of friction between the tires and road surface due to road conditions.