Brake Fluid Pump: Description and Operation
ABS Without Traction ControlFail safe function:
If trouble occurs in the power source circuit, the ECU cuts off current to the ABS solenoid relay and prohibits ABS control.
Fail safe function:
If trouble occurs in the ABS pump motor, the ECU cuts off current to the ABS control (solenoid) relay and prohibits ABS control.
ABS With Traction Control
Fail safe function:
If trouble occurs in the ABS & TRAC pump motor, the ECU cuts off current to the ABS & TRAC solenoid relay and prohibits ABS control and TRAC control.