Brake Fluid Pump Relay: Description and Operation
ABS Motor RelayABS With Electronic Brake Force Distribution
The ABS motor relay supplies power to the ABS pump motor. When the ABS is activated, the ECU switches the ABS motor relay ON and operates the ABS pump motor.
ABS With EBD, BA, TRAC & VSC Systems
The ABS motor relay supplies power to the brake actuator pump motor. While the ABS & BA & TRAC & VSC are activated, the ECU switches the motor relay ON and operates the brake actuator pump motor.
ABS With BA, TRAC & VSC Systems
The ABS motor and ABS motor 2 relay supplies power to the hydraulic brake booster pump motor. While the ABS & BA & TRAC & VSC are activated, the ECU switches the motor relay ON and operates the hydraulic brake booster pump motor.
Anti-Lock Brake System
The ABS motor relay supplies power to the ABS pump motor or hydraulic brake booster pump. While the ABS is activated, the ECU switches the ABS motor relay ON and operates the ABS pump motor.
ABS With TRAC System
The ABS & TRAC motor relay supplies power to the ABS & TRAC pump motor. While the ABS is activated, the ECU switches the ABS & TRAC motor relay ON and operates the ABS & TRAC pump motor.